was read the article
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Vieira, David Fleischer" "autores" => array:3 [ 0 => array:2 [ "nombre" => "Carina" "apellidos" => "Venter" ] 1 => array:2 [ "nombre" => "Mario C." "apellidos" => "Vieira" ] 2 => array:2 [ "nombre" => "David" "apellidos" => "Fleischer" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0021755723001195?idApp=UINPBA000049" "url" => "/00217557/0000010000000001/v2_202403080702/S0021755723001195/v2_202403080702/en/main.assets" ] "en" => array:20 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Review article</span>" "titulo" => "Less invasive surfactant administration versus intubation-surfactant-extubation in the treatment of neonatal respiratory distress syndrome: a systematic review and meta-analyses" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "8" "paginaFinal" => "24" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "Rita C. 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"apellidos" => "Silveira" "email" => array:1 [ 0 => "drarita.c.s@gmail.com" ] "referencia" => array:3 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0001" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0002" ] 2 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0001" ] ] ] 1 => array:3 [ "nombre" => "Carolina" "apellidos" => "Panceri" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff0003" ] ] ] 2 => array:3 [ "nombre" => "Nathália Peter" "apellidos" => "Munõz" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">d</span>" "identificador" => "aff0004" ] ] ] 3 => array:3 [ "nombre" => "Mirian Basílio" "apellidos" => "Carvalho" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">e</span>" "identificador" => "aff0005" ] ] ] 4 => array:3 [ "nombre" => "Aline Costa" "apellidos" => "Fraga" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">d</span>" "identificador" => "aff0004" ] ] ] 5 => array:3 [ "nombre" => "Renato Soibelmann" "apellidos" => "Procianoy" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0001" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0002" ] ] ] ] "afiliaciones" => array:5 [ 0 => array:3 [ "entidad" => "Universidade Federal do Rio Grande do Sul (UFRGS), Departamento de Pediatria e Programa de Pós-Graduação em Saúde da Criança e do Adolescente (PPGSCA), Porto Alegre, RS, Brazil" "etiqueta" => "a" "identificador" => "aff0001" ] 1 => array:3 [ "entidad" => "Hospital de Clínicas de Porto Alegre, Unidade de Terapia Intensiva Neonatal, Porto Alegre, RS, Brazil" "etiqueta" => "b" "identificador" => "aff0002" ] 2 => array:3 [ "entidad" => "Hospital de Clínicas de Porto Alegre, Departamento de Educação Física e Terapia Ocupacional, Porto Alegre, RS, Brazil" "etiqueta" => "c" "identificador" => "aff0003" ] 3 => array:3 [ "entidad" => "Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Pós-Graduação em Saúde da Criança e do Adolescente (PPGSCA), Porto Alegre, RS, Brazil" "etiqueta" => "d" "identificador" => "aff0004" ] 4 => array:3 [ "entidad" => "Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Medicina, Porto Alegre, RS, Brazil" "etiqueta" => "e" "identificador" => "aff0005" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0001" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 5" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr5.jpeg" "Alto" => 1126 "Ancho" => 2603 "Tamanyo" => 212681 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0005" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara005" class="elsevierStyleSimplePara elsevierViewall">Forest plot of comparison: LISA AND INSURE - overall analysis of 13 studies, outcome: Bronchopulmonary dysplasia.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0001" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0007">Introduction</span><p id="para0006" class="elsevierStylePara elsevierViewall">Respiratory distress syndrome (RDS) is a condition that has a high incidence in premature newborns (NB), and it is one of the main causes of morbidity. Despite this, management has gradually evolved over the years and has resulted in greater survival, especially in the 24 to 26 weeks of gestational age (GA).<a class="elsevierStyleCrossRef" href="#bib0001"><span class="elsevierStyleSup">1</span></a><span class="elsevierStyleSup">,</span><a class="elsevierStyleCrossRef" href="#bib0002"><span class="elsevierStyleSup">2</span></a> Its main cause is surfactant deficiency, a fundamental substance in lung mechanics, responsible for reducing surface tension and preventing alveolar collapse during expiration.<a class="elsevierStyleCrossRef" href="#bib0003"><span class="elsevierStyleSup">3</span></a></p><p id="para0007" class="elsevierStylePara elsevierViewall">Thus, in the absence of surfactant, the NB has difficulty in performing inspiration, causing a large work of breathing and causing respiratory failure in the first hours of life. Major complications include pneumothorax, need for mechanical ventilation, bronchopulmonary dysplasia (BPD), peri‑intraventricular hemorrhage (PIVH), and mortality.<a class="elsevierStyleCrossRef" href="#bib0004"><span class="elsevierStyleSup">4</span></a> Guidelines for the management of RDS determine that surfactant replacement therapy plays an essential role in treatment, due to its effectiveness in reducing morbidity. Recent protocols recommend that early rescue should be standard as soon as clinical signs of RDS occur.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">5</span></a></p><p id="para0008" class="elsevierStylePara elsevierViewall">Among the surfactant administration techniques, one of the most frequently used is called Intubation-Surfactant-Extubation (INSURE), in which surfactant is administered after intubation, followed by rapid extubation. However, its use should be cautious, since intubation and mechanical ventilation (MV) with positive pressure, even for a short period, may be related to lung and tracheal injuries.<a class="elsevierStyleCrossRef" href="#bib0006"><span class="elsevierStyleSup">6</span></a></p><p id="para0009" class="elsevierStylePara elsevierViewall">Recently, less invasive surfactant administration (LISA) has been developed in which a thin intratracheal catheter is introduced into the airway during spontaneous breathing using continuous positive airway pressure (CPAP).<a class="elsevierStyleCrossRef" href="#bib0007"><span class="elsevierStyleSup">7</span></a> Application of LISA while using CPAP is associated with less alveolar damage compared to MV,<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> being a strategy of choice for the management of RDS in many hospital centers.<a class="elsevierStyleCrossRefs" href="#bib0009"><span class="elsevierStyleSup">9-11</span></a></p><p id="para0010" class="elsevierStylePara elsevierViewall">Several randomized clinical trials (RCT) compared the LISA versus INSURE method and showed that LISA presented a decrease in the need and time of MV,<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> and consequently, a reduction in the rate of BPD<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> and death.<a class="elsevierStyleCrossRef" href="#bib0013"><span class="elsevierStyleSup">13</span></a> A meta-analysis using pooled data from RCT that analyzed LISA versus control, covering various therapies such as INSURE, MV only, or CPAP, showed that the LISA technique reduces the risk of BPD and death among NB with a 36-week GA.<a class="elsevierStyleCrossRef" href="#bib0014"><span class="elsevierStyleSup">14</span></a></p><p id="para0011" class="elsevierStylePara elsevierViewall">A systematic review with meta-analysis carried out comparing the use of tracheal intubation and LISA included studies that did not clearly determine the use of the INSURE protocol in the control group.<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">15</span></a> On the other side, an excellent Cochrane Database of Systematic Review and meta-analysis including 10 randomized clinical trials showed that administration of surfactant via thin catheter is associated with reduced risk of death or BPD, less intubation in the first 72 h, and reduced mortality than INSURE, suggesting more studies to confirm and refine these findings, clarify whether surfactant therapy via thin tracheal catheter provides benefits.<a class="elsevierStyleCrossRef" href="#bib0016"><span class="elsevierStyleSup">16</span></a></p><p id="para0012" class="elsevierStylePara elsevierViewall">Thus, exclusively comparing outcomes involving safety and efficacy between the two methods of surfactant administration is mandatory, and understanding the best strategy for pulmonary surfactant administration may improve the future quality of life of preterm infants.</p></span><span id="sec0002" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0008">Materials and methods</span><span id="sec0003" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0009">Type of study</span><p id="para0013" class="elsevierStylePara elsevierViewall">Systematic Review and meta-analysis, submitted to the <span class="elsevierStyleItalic">International Prospective Register of Ongoing Systematic Reviews</span> (PROSPERO), an international database of prospective registry of systematic reviews in the health area, under registration number: CRD42021241287. In addition, the study followed the PRISMA <span class="elsevierStyleItalic">Statement</span> and the Cochrane Collaboration Recommendations; and used Review Manager Software 5.4.</p></span><span id="sec0004" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0010">Eligibility criteria</span><p id="para0014" class="elsevierStylePara elsevierViewall">RCT that evaluated the effects of the LISA technique versus INSURE in preterm NB < 36 weeks GA and whose endpoints were pneumothorax, BPD, need for mechanical ventilation, mortality, regional cerebral oxygen saturation and peri‑intraventricular hemorrhage were included.</p></span><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0011">Research question</span><p id="para0015" class="elsevierStylePara elsevierViewall">P (Population) - Premature infants with RDS and GA of less than 36 weeks.</p><p id="para0016" class="elsevierStylePara elsevierViewall">I (Intervention) - Administration of LISA.</p><p id="para0017" class="elsevierStylePara elsevierViewall">C (Comparator) - Compared to INSURE administration.</p><p id="para0018" class="elsevierStylePara elsevierViewall">O (Outcome) - Mortality, bronchopulmonary dysplasia, pneumothorax, need for mechanical ventilation, regional cerebral oxygen saturation, and peri‑intraventricular hemorrhage.</p><p id="para0019" class="elsevierStylePara elsevierViewall">T (Type of Studies) - Randomized clinical trials.</p></span><span id="sec0006" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0012">Search sources</span><p id="para0020" class="elsevierStylePara elsevierViewall">The bibliographic searches were carried out in the following electronic databases: PubMed, Embase, Lilacs, CINAHL, SciELO, and search at <span class="elsevierStyleItalic">Registro Brasileiro de ensaios clínicos randomizados</span> (ReBEC), <span class="elsevierStyleItalic">Clinicaltrials.gov</span> and Cochrane Central Register of Controlled Trials (CENTRAL). The search terms were built specifically for each of the databases used, considering their specificities and in order not to neglect any article that would fulfill the inclusion criteria of this work. Also, a search was carried out in the references of the articles found in the databases. Articles published and indexed in these databases in the last ten years and available in Portuguese or English were included.</p></span><span id="sec0007" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0013">Search terms</span><p id="para0021" class="elsevierStylePara elsevierViewall">The search terms were built specifically for each of the databases used − PubMed, Embase, Cinahl Lilacs and SciELO −, considering their specificities and in order not to neglect any article that could meet the inclusion criteria of this work (<a class="elsevierStyleCrossRef" href="#tbl0001">Table 1</a>).</p><elsevierMultimedia ident="tbl0001"></elsevierMultimedia></span><span id="sec0008" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0014">Study selection</span><p id="para0022" class="elsevierStylePara elsevierViewall">After carrying out the research using these search strategies, the generated list of articles was downloaded, which was inserted into the Zotero Reference Manager, in which each article found was subject to the inclusion and exclusion criteria determined to, finally, select the articles that are part of this Systematic Review. Study selection was performed by two independent researchers (N. M and A. F), initially by reading the titles and abstracts and, later, by reading the complete version of the articles.</p><p id="para0023" class="elsevierStylePara elsevierViewall">Disagreements regarding the inclusion of studies were resolved by consensus and with a third evaluator (RCS). The selection of articles for this Systematic Review did not limit the results by date, therefore, all articles that emerged because of the search terms were submitted to the decision of inclusion or not by the researchers.</p><p id="para0024" class="elsevierStylePara elsevierViewall">In the meta-analysis, the included trials for administering surfactant were randomized or quasi-randomized studies selected in the systematic review during the last ten years.</p></span><span id="sec0009" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0015">Quality of evidence and risk of bias assessment</span><p id="para0025" class="elsevierStylePara elsevierViewall">The methodological qualities of the studies were assessed by two researchers. The quality of evidence from the selected studies was assessed using the GRADE checklist (Grading of Recommendations, Assessment, Development, and Evaluation), while the risk of bias was assessed using the Cochrane collaboration tool (ROB 1.0 tool). The review authors' judgments about each risk of bias item are presented as percentages across all included studies (<a class="elsevierStyleCrossRefs" href="#fig0001">Figures 1 and 2</a>).</p><elsevierMultimedia ident="fig0001"></elsevierMultimedia><elsevierMultimedia ident="fig0002"></elsevierMultimedia></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0016">Data analysis</span><p id="para0026" class="elsevierStylePara elsevierViewall">The meta-analysis was performed using Comprehensive Meta-Analysis version 3.3 (Biostat, Englewood, NJ, USA). Odds ratio (OR) with a 95% confidence interval (CI) and P-value were calculated from the data provided in each study. A random-effects model was used to combine all study results. Data extracted from each study were used to calculate the frequency of patients in each variable studied (need for MV in the first 72 h of life, BPD, pneumothorax, mortality, and PIVH) and then a meta-analysis was performed to compare the LISA and INSURE groups through from Review Manager Software 5.4. Random effects and hazard ratio models were used to combine all study results. Inter-study heterogeneity was assessed using Cochrane Q statistic and Higgin's I2 statistics were derived from Q Statistic; with low, moderate, and high I2 values of 25%, 50%, and 75%, respectively.<a class="elsevierStyleCrossRef" href="#bib0017"><span class="elsevierStyleSup">17</span></a></p></span></span><span id="sec0011" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0017">Results</span><p id="para0027" class="elsevierStylePara elsevierViewall">A total of 679 articles were identified, after initial screening and removal of duplicates, 487 articles remained, of which 46 were selected for detailed analysis. After analysis, 16 articles met the eligibility criteria and were included in this systematic review, with a total of 1944 patients (<a class="elsevierStyleCrossRef" href="#fig0003">Figure 3</a>).</p><elsevierMultimedia ident="fig0003"></elsevierMultimedia><p id="para0028" class="elsevierStylePara elsevierViewall">The size of the populations of NB included in the studies ranged from <span class="elsevierStyleItalic">n</span> = 20 to <span class="elsevierStyleItalic">n</span> = 350 neonates. All studies involved premature infants, with gestational age (GA) ranging from 25 to 36 weeks (<a class="elsevierStyleCrossRef" href="#tbl0002">Table 2</a>).<a class="elsevierStyleCrossRefs" href="#bib0018"><span class="elsevierStyleSup">18-29</span></a> All studies excluded previously intubated NB and those with major congenital anomalies.</p><elsevierMultimedia ident="tbl0002"></elsevierMultimedia><span id="sec0012" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0018">Effects of interventions</span><span id="sec0013" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0019">Need for mechanical ventilation</span><p id="para0029" class="elsevierStylePara elsevierViewall">The study interventions had as a primary objective to assess the need for MV in the first 72 h of life. Six studies showed a statistically significant difference in the primary endpoint between the groups, showing a lower need for MV in the first 72 in the LISA group participants. The other studies also suggested a lower need for MV in the first 72 h in patients in the LISA group, although this was not significant. In addition, three studies showed satisfactory results regarding the duration of MV and CPAP in the LISA group, when compared to the INSURE group.</p><p id="para0030" class="elsevierStylePara elsevierViewall">In Halim et al.<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> the need for MV was significantly higher in the INSURE group, 60% versus 30% (<span class="elsevierStyleItalic">p</span> < 0.05) compared to the LISA group. Kanmaz et al.<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> observed that the LISA technique significantly reduced the need for MV (30% vs 45%, <span class="elsevierStyleItalic">p</span> = 0.02).</p><p id="para0031" class="elsevierStylePara elsevierViewall">Jena et al.<a class="elsevierStyleCrossRef" href="#bib0019"><span class="elsevierStyleSup">19</span></a> found a significant reduction in the need for MV in the LISA group, 19% versus 40% in the INSURE group (<span class="elsevierStyleItalic">p</span> < 0.01). Boskabaldi et al.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">20</span></a> also concluded that the LISA technique reduces the need for MV in NBs (<span class="elsevierStyleItalic">p</span> = 0.02). The same results were found in Kribs et al.<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> in which the duration of MV was shorter in the LISA group (<span class="elsevierStyleItalic">p</span> = 0.001).</p><p id="para0032" class="elsevierStylePara elsevierViewall">Göpel et al.<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">25</span></a> showed that the administration of surfactant using the LISA technique reduces the need for MV. In this study, only 22% of NBs in the LISA group received MV on the 2–3rd day after birth, compared to 43% in the INSURE group. In addition, the total number of ventilation days was 599 days in the INSURE group versus 242 days in the LISA group (< 0.001).</p><p id="para0033" class="elsevierStylePara elsevierViewall">Bao et al.<a class="elsevierStyleCrossRef" href="#bib0024"><span class="elsevierStyleSup">24</span></a> did not find significant differences in MV rates in the first 72 h, but the duration of MV and CPAP was significantly shorter in the LISA group when compared to the INSURE group. In Mirnia et al.<a class="elsevierStyleCrossRef" href="#bib0013"><span class="elsevierStyleSup">13</span></a> although there were no differences in the duration of MV between the groups, the mean duration of CPAP was shorter in the LISA group, in contrast to INSURE (<span class="elsevierStyleItalic">p</span> < 0.01).</p></span><span id="sec0014" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0020">Bronchopulmonary dysplasia</span><p id="para0034" class="elsevierStylePara elsevierViewall">BPD rates were significantly reduced in two studies in the LISA group. Kanmaz et al.<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> found that the rate of BPD was significantly lower in the LISA group (13.6%) when compared to the INSURE group (26.2%), and the incidence of moderate to severe BPD among patients who survived the disease was significantly higher in the INSURE group (<span class="elsevierStyleItalic">p</span> = 0.009). Jena et al.<a class="elsevierStyleCrossRef" href="#bib0019"><span class="elsevierStyleSup">19</span></a> also concluded that there was a significant decrease in BPD rates in the LISA group, 3% versus 17% (<span class="elsevierStyleItalic">p</span> ≤ 0.01) when compared to INSURE.</p><p id="para0035" class="elsevierStylePara elsevierViewall">In the study by Han et al.<a class="elsevierStyleCrossRef" href="#bib0023"><span class="elsevierStyleSup">23</span></a> although the comparison did not show clear benefits with LISA on the incidence of BPD, there was a trend towards a reduction in the incidence of BPD, 19.2% versus 25.9% (<span class="elsevierStyleItalic">p</span> = 0.170).</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0021">Pneumothorax, mortality, and peri‑intraventricular hemorrhage</span><p id="para0036" class="elsevierStylePara elsevierViewall">All selected studies investigated at least one of the secondary outcomes, pneumothorax, mortality, and PIVH rates, which were similar between the two groups in most studies, as shown in <a class="elsevierStyleCrossRef" href="#tbl0003">Table 3</a>.</p><elsevierMultimedia ident="tbl0003"></elsevierMultimedia><p id="para0037" class="elsevierStylePara elsevierViewall">Only in Kribs et al.<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> there was a significant effect in favor of the LISA group with lower rates of pneumothorax and PIVH when compared to the INSURE group. Suggesting a higher uncomplicated survival rate in those who received less invasive surfactant.</p></span><span id="sec0016" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0022">Regional cerebral oxygen saturation</span><p id="para0038" class="elsevierStylePara elsevierViewall">Li et al.<a class="elsevierStyleCrossRef" href="#bib0029"><span class="elsevierStyleSup">29</span></a> and Bertini et al.<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> evaluated regional brain oxygen saturation (rSO2), monitored using near-infrared spectroscopy (NIRS) technology. The results of Li et al. suggest a transient impairment of cerebral autoregulation during and after the two procedures and concluded that the effect of duration of impairment in the LISA technique was smaller than in the INSURE technique (< 5 min in LISA vs. 5–10 min in INSURE).</p><p id="para0039" class="elsevierStylePara elsevierViewall">Bertini et al.<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> showed that both procedures transiently decreased rSO2, and the decrease was greater in the LISA group (<span class="elsevierStyleItalic">p</span> < 0.001). Thus, Li et al.<a class="elsevierStyleCrossRef" href="#bib0029"><span class="elsevierStyleSup">29</span></a> and Bertini et al.<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> suggest that LISA and INSURE transiently affect brain autoregulation during surfactant administration.</p><p id="para0040" class="elsevierStylePara elsevierViewall">The authors reviewed all articles included in this systematic review to identify those reported subgroup analyses of prematurity. Only Kanmaz et al.<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> and Han et al.<a class="elsevierStyleCrossRef" href="#bib0023"><span class="elsevierStyleSup">23</span></a> present analyses considering subgroups of prematurity; therefore, performing a meta-analysis of subgroups is not feasible.</p></span><span id="sec0017" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0023">Meta-analysis results</span><p id="para0041" class="elsevierStylePara elsevierViewall">The first analysis for comparison included the 14 studies that reported the frequency of patients who required MV in the first 72 h of life. A total of 798 and 801 patients in the LISA and INSURE groups, respectively. The INSURE group had more risk of MV in the first 72 h of life, with an overall risk ratio of 0.60 (95% CI 0.47 – 0.76), compared to the LISA group. Moderate heterogeneity was observed between studies (I2 = 62%) (<a class="elsevierStyleCrossRef" href="#fig0004">Figure 4</a>).</p><elsevierMultimedia ident="fig0004"></elsevierMultimedia><p id="para0042" class="elsevierStylePara elsevierViewall">When comparing groups for BPD, 13 studies were included in the analyzes reporting the frequency of this outcome with a total of 878 patients in the LISA group and 880 in the INSURE group. The INSURE group had an increased risk for BPD than the LISA group; 0.65 (95% CI 0.51 – 0.82) (<a class="elsevierStyleCrossRef" href="#fig0005">Figure 5</a>).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia></span><span id="sec0018" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0024">Pneumothorax, mortality and PIVH</span><p id="para0043" class="elsevierStylePara elsevierViewall">Comparison analyses were also performed for pneumothorax, mortality and PIVH, showing significant risks for the INSURE group. Nine studies reported frequencies of pneumothorax, totaling 545 patients in the LISA group and 548 in the INSURE group, with a hazard ratio of 0.60 (95% CI 0.38–0.96) (<a class="elsevierStyleCrossRef" href="#fig0006">Figure 6</a>). Thirteen studies assessed mortality, 776 patients in the LISA group and 782 patients in the INSURE group, and the hazard ratio was 0.76 (95% CI 0.58–1.00) (<a class="elsevierStyleCrossRef" href="#fig0007">Figure 7</a>). Thirteen studies reported the frequency of PIVH, a total of 887 patients in the LISA group and 889 in the INSURE group, and the hazard ratio in the meta-analysis was 0.77 (95%CI 0.54–1.10) (<a class="elsevierStyleCrossRef" href="#fig0008">Figure 8</a>).</p><elsevierMultimedia ident="fig0006"></elsevierMultimedia><elsevierMultimedia ident="fig0007"></elsevierMultimedia><elsevierMultimedia ident="fig0008"></elsevierMultimedia></span></span></span><span id="sec0019" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0025">Discussion</span><p id="para0044" class="elsevierStylePara elsevierViewall">In this study, the primary endpoint was to compare the LISA versus INSURE technique for pulmonary surfactant administration in preterm NB with gestational age (GA) < 36 weeks with RDS with respect to the incidence of pneumothorax, BPD, PIVH need for MV, regional cerebral oxygen saturation, and mortality. The present meta-analyses showed statistically significant differences in favor to LISA administration, with a significantly decreased risk of needing Mechanical ventilation, BPD, pneumothorax, mortality, and PIVH.</p><p id="para0045" class="elsevierStylePara elsevierViewall">Recent studies suggest that the best approach for preterm infants who need surfactant administration during non-invasive respiratory support is the LISA method, as it is less invasive at a time when the neonate is breathing spontaneously.<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a><span class="elsevierStyleSup">,</span><a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> Cochrane review including 10 randomized clinical trials comparing different methods of surfactant administration found significant advantages in the surfactant administration via a thin catheter, with a decrease in the following: risk of death or BPD, need for assisted breathing in the first 72 h of life, severe PIVH, death during first hospitalization, and BPD among survivors.<a class="elsevierStyleCrossRef" href="#bib0016"><span class="elsevierStyleSup">16</span></a> In the systematic review, all 16 randomized clinical trials included showed favorable results to the use of the LISA technique in comparison to INSURE.</p><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0026">Need and time of mechanical ventilation</span><p id="para0046" class="elsevierStylePara elsevierViewall">Eight studies had as primary objectives to analyze the need for mechanical ventilation in the first 72 h of life after administration of LISA versus INSURE, namely Gupta et al.,<a class="elsevierStyleCrossRef" href="#bib0018"><span class="elsevierStyleSup">18</span></a> Jena et al.,<a class="elsevierStyleCrossRef" href="#bib0019"><span class="elsevierStyleSup">19</span></a> Boskabaldi et al.,<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">20</span></a> Olivier et al.,<a class="elsevierStyleCrossRef" href="#bib0021"><span class="elsevierStyleSup">21</span></a> Göpel et al.,<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">25</span></a> Mohammadizadeh et al.,<a class="elsevierStyleCrossRef" href="#bib0027"><span class="elsevierStyleSup">27</span></a> Kanmaz et al.,<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> and Halim et al.,<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> Of these studies, 6 suggested that the LISA technique reduced the need for MV in the first 72 h of life. In the other studies that addressed the need for MV, either as a primary or secondary outcome, there was no significant difference between the groups, but administered by the LISA method was not inferior to INSURE.</p><p id="para0047" class="elsevierStylePara elsevierViewall">Kanmaz et al.<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> included 200 neonates < 32 weeks of GA in their study, randomized to LISA and INSURE. The LISA group had a significantly lower need for MV in the first 72 h of life, mean duration of nCPAP and MV. Furthermore, CPAP failure in the first 72 h of life was significantly lower in the LISA group when compared to the INSURE group.</p><p id="para0048" class="elsevierStylePara elsevierViewall">Jena et al.<a class="elsevierStyleCrossRef" href="#bib0019"><span class="elsevierStyleSup">19</span></a> studied 350 neonates with GA ≤ 34 weeks with RDS randomized between LISA and INSURE. The need for MV in the first 72 h was significantly lower in the LISA than in the INSURE group. In the study by Olivier et al.,<a class="elsevierStyleCrossRef" href="#bib0021"><span class="elsevierStyleSup">21</span></a> the need for MV was also significantly lower in the LISA group. However, a limitation of the latter study was that there was no specific criterium for surfactant administration in the control group, and patients in the control group had more severe RDS, as they required oxygen and surfactant administration earlier than those in the LISA group.</p><p id="para0049" class="elsevierStylePara elsevierViewall">In Boskabaldi et al. study,<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">20</span></a> the use of the LISA significantly reduced the need for mechanical ventilation in infants but did not change the duration of nCPAP and the duration of hospitalization. Halim et al.<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> showed that the need for invasive mechanical ventilation was also significantly lower in the LISA group compared to the INSURE group, but the duration of respiratory support (CPAP) was significantly longer in the LISA group.</p><p id="para0050" class="elsevierStylePara elsevierViewall">In Göpel et al.<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">25</span></a> study, including 220 neonates of 26 to 28 weeks GA, the primary outcome analyzed was the need for any type of mechanical ventilation after administration of surfactant by LISA or INSURE methods. The number of neonates who received MV during hospitalization was lower in the LISA group. The total number of ventilation days was 599 in the INSURE group versus 242 days in the LISA group. These results suggested that less invasive surfactant application in premature infants reduces the need for mechanical ventilation.</p><p id="para0051" class="elsevierStylePara elsevierViewall">Gupta et al.<a class="elsevierStyleCrossRef" href="#bib0018"><span class="elsevierStyleSup">18</span></a> found no statistically significant difference in the need for MV in the first 72 h of life between LISA and INSURE groups. However, in this study, NIPPV was used as the primary mode of respiratory support whereas, as in most previous studies with LISA, NCPAP was the primary mode of respiratory support. This may have reduced the need for IMV in both study groups, as there is already evidence in the literature supporting nasal intermittent positive pressure ventilation (NIPPV) as the primary mode of respiratory support to decrease the need for IMV.</p><p id="para0052" class="elsevierStylePara elsevierViewall">Bao et al.<a class="elsevierStyleCrossRef" href="#bib0024"><span class="elsevierStyleSup">24</span></a> and Mohammadizadeh et al.<a class="elsevierStyleCrossRef" href="#bib0027"><span class="elsevierStyleSup">27</span></a> found no significant differences in MV rates in the first 72 h, mortality, nor in the incidence of bronchopulmonary dysplasia, intraventricular hemorrhage, retinopathy of prematurity, and necrotizing enterocolitis, or the duration of respiratory support. In Mohammadizadeh's study,<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">25</span></a> the number of infants who experienced adverse events during surfactant administration was significantly lower in LISA than in INSURE group.</p></span><span id="sec0021" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0027">Bronchopulmonary dysplasia</span><p id="para0053" class="elsevierStylePara elsevierViewall">Randomized clinical trials by Kribs et al.<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> and Han et al.<a class="elsevierStyleCrossRef" href="#bib0023"><span class="elsevierStyleSup">23</span></a> had the analysis of BPD as their primary objectives. Kribs et al.<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> included 211 neonates < 27 weeks of gestation randomized to LISA and INSURE groups. The primary aim was to analyze BPD-free survival at 36 weeks GA. In LISA group, 67.3% survived without BPD compared to 58.7% in the INSURE group, showing no significant difference between the groups. In another study, 298 neonates with RDS were randomized to LISA and INSURE groups with a trend toward a reduction in the incidence of BPD.<a class="elsevierStyleCrossRef" href="#bib0021"><span class="elsevierStyleSup">21</span></a></p><p id="para0054" class="elsevierStylePara elsevierViewall">Previous studies have looked at BPD analysis as secondary outcome, only Kanmaz et al.<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> found a significantly lower rate of BPD among children treated with LISA. The incidence of moderate to severe BPD among patients who survived the was significantly higher in the INSURE group, suggesting that LISA shows a tendency to be beneficial.</p></span><span id="sec0022" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0028">Pneumothorax, mortality and PIVH</span><p id="para0055" class="elsevierStylePara elsevierViewall">Nine randomized clinical trials looked at the incidence of pneumothorax, but only Kribs et al.’s study<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> showed a significantly lower occurrence of pneumothorax in the LISA group. Although Halim et al.<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> found a more than double occurrence of pneumothorax, in the INSURE group, it did not reach a statistical significance.</p><p id="para0056" class="elsevierStylePara elsevierViewall">Thirteen studies evaluated mortality and PIVH rates, none showed a significant difference in mortality. Kribs et al.<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> evaluated PIVH grade 3 or 4 and showed that the LISA group also had significantly less severe PIVH. It is noted that LISA is associated with benefits in significant secondary outcomes, which are associated with lifelong disabilities.</p></span><span id="sec0023" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0029">Regional saturation of cerebral oxygen</span><p id="para0057" class="elsevierStylePara elsevierViewall">Two studies evaluated changes in regional cerebral oxygen saturation (rSO<span class="elsevierStyleInf">2</span>) induced by the LISA and INSURE procedures. Bertini et al.<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> evaluated NB with GA < 33 weeks and showed that LISA and INSURE transiently decreased rSO2. The decrease was greater in the LISA group. The decrease in rSO<span class="elsevierStyleInf">2</span> is up to 55% in the LISA group but the duration of this episode is short (< 1 min). The study also calculated the fractional oxygen extraction rate from brain tissue (cFTOE), and it was higher in the LISA group, suggesting a compensatory mechanism to maintain adequate brain oxygenation during the technique.</p><p id="para0058" class="elsevierStylePara elsevierViewall">Li et al.<a class="elsevierStyleCrossRef" href="#bib0029"><span class="elsevierStyleSup">29</span></a> evaluated NB with GA < 32 weeks to detect rSO<span class="elsevierStyleInf">2</span> and mean arterial pressure (MAP) simultaneously. The correlation of the ScO2 and MAP coefficient (rScO<span class="elsevierStyleInf">2</span>−MAP) was evaluated in both groups. It is suggested a transient impairment of brain autoregulation during and after LISA and INSURE procedures, but it was concluded that the duration of impairment in the LISA technique was shorter than in the INSURE.</p><p id="para0059" class="elsevierStylePara elsevierViewall">The authors couldn't perform a meta-analysis for the outcome of regional saturation of cerebral oxygen, despite the systematic review with a small number of articles has shown results in favor of LISA administration. A variety of types of catheters and instruments are used for LISA surfactant administration, the authors did not explore this aspect in the meta-analysis and perhaps there are some relationships <span class="elsevierStyleItalic">with</span> more difficult administration secondary to expertise. Future studies looking specifically for this outcome need to be conducted.</p></span><span id="sec0024" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0030">LISA and INSURE</span><p id="para0060" class="elsevierStylePara elsevierViewall">The study by Bertini et al.<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> hypothesizes that the most striking effect of the LISA versus INSURE technique is due to patients breathing spontaneously during LISA, while in INSURE they receive positive pressure through invasive support. This appears to facilitate the recruitment of pulmonary alveoli, increasing residual capacity function, improving surfactant distribution, and stabilizing breath control; reasons that lead to better gas exchange and tissue oxygenation. Li et al.<a class="elsevierStyleCrossRef" href="#bib0029"><span class="elsevierStyleSup">29</span></a> seem to agree, indicating that the delivery procedure may be the reason for potential damage to brain regulation, particularly in the INSURE group. On the other hand, a recent randomized control trial comparing LISA and INSURE among 26-to-34-week gestation age infants didn't find any difference in the total duration of respiratory support, despite of lesser need for invasive mechanical ventilatory support in the LISA group.<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">30</span></a></p><p id="para0061" class="elsevierStylePara elsevierViewall">The systematic review and meta-analysis allowed us to conclude that surfactant administration via the LISA technique decreased the need for MV in the first 72 h of life, BPD, PIVH, pneumothorax, and mortality rates compared to INSURE, proving to be a safe and easily reproducible technique. These findings contribute to a decrease in the economic and social impact of the use of LISA technique in RDS, such as a reduction of hospital length of stay and MV complications, and are closely related to a better survival rate and reduction of associated morbidities.</p></span></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:8 [ 0 => array:3 [ "identificador" => "xres2102999" "titulo" => "Abstract" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abss0001" "titulo" => "Objectives" ] 1 => array:2 [ "identificador" => "abss0002" "titulo" => "Methods" ] 2 => array:2 [ "identificador" => "abss0003" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abss0004" "titulo" => "Conclusion" ] ] ] 1 => array:2 [ "identificador" => "xpalclavsec1792193" "titulo" => "Keywords" ] 2 => array:2 [ "identificador" => "sec0001" "titulo" => "Introduction" ] 3 => array:3 [ "identificador" => "sec0002" "titulo" => "Materials and methods" "secciones" => array:8 [ 0 => array:2 [ "identificador" => "sec0003" "titulo" => "Type of study" ] 1 => array:2 [ "identificador" => "sec0004" "titulo" => "Eligibility criteria" ] 2 => array:2 [ "identificador" => "sec0005" "titulo" => "Research question" ] 3 => array:2 [ "identificador" => "sec0006" "titulo" => "Search sources" ] 4 => array:2 [ "identificador" => "sec0007" "titulo" => "Search terms" ] 5 => array:2 [ "identificador" => "sec0008" "titulo" => "Study selection" ] 6 => array:2 [ "identificador" => "sec0009" "titulo" => "Quality of evidence and risk of bias assessment" ] 7 => array:2 [ "identificador" => "sec0010" "titulo" => "Data analysis" ] ] ] 4 => array:3 [ "identificador" => "sec0011" "titulo" => "Results" "secciones" => array:1 [ 0 => array:3 [ "identificador" => "sec0012" "titulo" => "Effects of interventions" "secciones" => array:6 [ 0 => array:2 [ "identificador" => "sec0013" "titulo" => "Need for mechanical ventilation" ] 1 => array:2 [ "identificador" => "sec0014" "titulo" => "Bronchopulmonary dysplasia" ] 2 => array:2 [ "identificador" => "sec0015" "titulo" => "Pneumothorax, mortality, and peri‑intraventricular hemorrhage" ] 3 => array:2 [ "identificador" => "sec0016" "titulo" => "Regional cerebral oxygen saturation" ] 4 => array:2 [ "identificador" => "sec0017" "titulo" => "Meta-analysis results" ] 5 => array:2 [ "identificador" => "sec0018" "titulo" => "Pneumothorax, mortality and PIVH" ] ] ] ] ] 5 => array:3 [ "identificador" => "sec0019" "titulo" => "Discussion" "secciones" => array:5 [ 0 => array:2 [ "identificador" => "sec0020" "titulo" => "Need and time of mechanical ventilation" ] 1 => array:2 [ "identificador" => "sec0021" "titulo" => "Bronchopulmonary dysplasia" ] 2 => array:2 [ "identificador" => "sec0022" "titulo" => "Pneumothorax, mortality and PIVH" ] 3 => array:2 [ "identificador" => "sec0023" "titulo" => "Regional saturation of cerebral oxygen" ] 4 => array:2 [ "identificador" => "sec0024" "titulo" => "LISA and INSURE" ] ] ] 6 => array:2 [ "identificador" => "xack732553" "titulo" => "Financial support" ] 7 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2023-02-14" "fechaAceptado" => "2023-05-29" "PalabrasClave" => array:1 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec1792193" "palabras" => array:6 [ 0 => "LISA" 1 => "Surfactant" 2 => "Preterm" 3 => "Meta-analyses" 4 => "INSURE" 5 => "Bronchopulmonary dysplasia" ] ] ] ] "tieneResumen" => true "resumen" => array:1 [ "en" => array:3 [ "titulo" => "Abstract" "resumen" => "<span id="abss0001" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0002">Objectives</span><p id="spara012" class="elsevierStyleSimplePara elsevierViewall">To compare LISA with INSURE technique for surfactant administration in preterm with gestational age (GA) < 36 weeks with RDS in respect to the incidence of pneumothorax, bronchopulmonary dysplasia (BPD), need for mechanical ventilation (MV), regional cerebral oxygen saturation (rSO2), peri‑intraventricular hemorrhage (PIVH) and mortality.</p></span> <span id="abss0002" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0003">Methods</span><p id="spara013" class="elsevierStyleSimplePara elsevierViewall">A systematic search in PubMed, Embase, Lilacs, CINAHL, SciELO databases, Brazilian Registry of Randomized Clinical Trials (ReBEC), Clinicaltrials.gov, and Cochrane Central Register of Controlled Trials (CENTRAL) was performed. RCTs evaluating the effects of the LISA technique versus INSURE in preterm infants with gestational age < 36 weeks and that had as outcomes evaluation of the rates of pneumothorax, BPD, need for MV, rSO2, PIVH, and mortality were included in the meta-analysis. Random effects and hazard ratio models were used to combine all study results. Inter-study heterogeneity was assessed using Cochrane Q statistics and Higgin's I2 statistics.</p></span> <span id="abss0003" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0004">Results</span><p id="spara014" class="elsevierStyleSimplePara elsevierViewall">Sixteen RCTs published between 2012 and 2020 met the inclusion criteria, a total of 1,944 preterms. Eleven studies showed a shorter duration of MV and CPAP in the LISA group than in INSURE group. Two studies evaluated rSO2 and suggested that LISA and INSURE transiently affect brain autoregulation during surfactant administration. INSURE group had a higher risk for MV in the first 72 h of life, pneumothorax, PIVH and mortality in comparison to the LISA group.</p></span> <span id="abss0004" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0005">Conclusion</span><p id="spara015" class="elsevierStyleSimplePara elsevierViewall">This systematic review and meta-analyses provided evidence for the benefits of the LISA technique in the treatment of RDS, decreasing CPAP time, need for MV, BPD, pneumothorax, PIVH, and mortality when compared to INSURE.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abss0001" "titulo" => "Objectives" ] 1 => array:2 [ "identificador" => "abss0002" "titulo" => "Methods" ] 2 => array:2 [ "identificador" => "abss0003" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abss0004" "titulo" => "Conclusion" ] ] ] ] "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "✰" "nota" => "<p class="elsevierStyleNotepara" id="tfn1">Institution: Federal University of Rio Grande do Sul and Hospital de Clinicas de Porto Alegre.</p>" ] ] "multimedia" => array:11 [ 0 => array:8 [ "identificador" => "fig0001" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 762 "Ancho" => 2250 "Tamanyo" => 224155 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0001" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara001" class="elsevierStyleSimplePara elsevierViewall">Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.</p>" ] ] 1 => array:8 [ "identificador" => "fig0002" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 1031 "Ancho" => 2212 "Tamanyo" => 171982 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0002" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara002" class="elsevierStyleSimplePara elsevierViewall">Risk of bias summary: review authors' judgements about each risk of bias item for each included study.</p>" ] ] 2 => array:8 [ "identificador" => "fig0003" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 1606 "Ancho" => 2500 "Tamanyo" => 188934 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0003" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara003" class="elsevierStyleSimplePara elsevierViewall">Flowchart of studies included in the systematic review. Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ 2021;372:n71. doi: 10.1136/bmj.n71. For more information, visit: <span class="elsevierStyleUnderline">http://www.prisma-statement.org/</span>.</p>" ] ] 3 => array:8 [ "identificador" => "fig0004" "etiqueta" => "Figure 4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr4.jpeg" "Alto" => 1114 "Ancho" => 2611 "Tamanyo" => 210014 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0004" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara004" class="elsevierStyleSimplePara elsevierViewall">Forest plot of comparison: LISA AND INSURE - overall analysis of 14 studies, outcome: Mechanical Ventilation.</p>" ] ] 4 => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 5" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr5.jpeg" "Alto" => 1126 "Ancho" => 2603 "Tamanyo" => 212681 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0005" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara005" class="elsevierStyleSimplePara elsevierViewall">Forest plot of comparison: LISA AND INSURE - overall analysis of 13 studies, outcome: Bronchopulmonary dysplasia.</p>" ] ] 5 => array:8 [ "identificador" => "fig0006" "etiqueta" => "Figure 6" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr6.jpeg" "Alto" => 912 "Ancho" => 2636 "Tamanyo" => 175056 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0006" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara006" class="elsevierStyleSimplePara elsevierViewall">Forest plot of comparison: LISA AND INSURE - overall analysis of 9 studies, outcome: Pneumothorax.</p>" ] ] 6 => array:8 [ "identificador" => "fig0007" "etiqueta" => "Figure 7" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr7.jpeg" "Alto" => 1061 "Ancho" => 2598 "Tamanyo" => 197060 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0007" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara007" class="elsevierStyleSimplePara elsevierViewall">Forest plot of comparison: LISA AND INSURE - overall analysis of 9 studies, outcome: MORTALITY.</p>" ] ] 7 => array:8 [ "identificador" => "fig0008" "etiqueta" => "Figure 8" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr8.jpeg" "Alto" => 1100 "Ancho" => 2665 "Tamanyo" => 208070 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0008" "detalle" => "Fig " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spara008" class="elsevierStyleSimplePara elsevierViewall">Forest plot of comparison: LISA AND INSURE - overall analysis of 9 studies, outcome: PIVH.</p>" ] ] 8 => array:8 [ "identificador" => "tbl0001" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0009" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><a name="en0001"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">DATABASE \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0002"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">SEARCH TERMS \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><a name="en0003"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">PubMed</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0004"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">("Pulmonary Surfactants/administration and dosage"[mh] OR "Pulmonary Surfactants/therapeutic use"[mh] OR "Surface-Active Agents/administration and dosage"[mh] OR "Surface-Active Agents/therapeutic use"[mh] OR Surfactant*[tw] OR Surface-Active[tw] OR Amphiphilic*[tw] OR Tenside*[<span class="elsevierStyleItalic">tw</span>]) AND ("Respiratory Distress Syndrome, Newborn/therapy"[mh] OR Respiratory Distress Syndrome[tw] OR Hyaline Membrane Disease*[tw] OR Transient Tachypnea*[<span class="elsevierStyleItalic">tw</span>]) AND (Infant, Premature[mh] OR Prematur*[tw] OR Preterm*[<span class="elsevierStyleItalic">tw</span>]) AND (less invasive[tw] OR endotracheal[tw] OR minimally invasive[tw] OR aerosolized[tw] OR aerosolised[tw] OR lisa[tw] OR (Intubat*[tw] AND Extubat*[<span class="elsevierStyleItalic">tw</span>]) OR insure[tw] OR isx[<span class="elsevierStyleItalic">tw</span>]). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0005"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">EMBASE</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0006"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">('lung surfactant'/exp OR 'surfactant'/exp OR Surfactant*:ti,ab,kw OR 'Surface-Active':ti,ab,kw OR Amphiphilic*:ti,ab,kw OR Tenside*:ti,ab,kw) AND ('neonatal respiratory distress syndrome'/exp OR 'Respiratory Distress Syndrome':ti,ab,kw OR 'Hyaline Membrane Disease*':ti,ab,kw OR 'Transient Tachypnea*':ti,ab,kw) AND ('prematurity'/exp OR Prematur*:ti,ab,kw OR Preterm*:ti,ab,kw) AND ('less invasive surfactant administration'/exp OR 'less invasive':ti,ab,kw OR endotracheal:ti,ab,kw OR 'minimally invasive':ti,ab,kw OR aerosolized:ti,ab,kw OR aerosolised:ti,ab,kw OR smooth:ti,ab,kw OR (Intubat*:ti,ab,kw AND Extubat*:ti,ab,kw) OR insure:ti,ab,kw OR isx:ti,ab,kw) AND (('randomized controlled trial'/exp OR 'randomized controlled trial (topic)'/exp OR 'controlled clinical trial'/exp OR 'controlled clinical trial (topic)'/exp OR 'randomization'/exp OR 'double blind procedure/exp OR 'single blind procedure'/exp OR 'clinical trial'/exp OR 'placebo'/exp OR 'methodology'/exp OR 'follow up'/exp OR 'prospective study'/exp OR 'crossover procedure'/exp OR 'clinical trial':ti,ab,kw OR ((singl*:ti,ab,kw OR doubl*:ti,ab,kw OR trebl*:ti,ab,kw OR tripl*:ti,ab,kw) AND (mask*:ti,ab,kw OR blind*:ti,ab,kw)) OR 'Latin square':ti,ab,kw OR placebo*:ti,ab,kw OR random*:ti,ab,kw OR control*:ti,ab,kw OR prospectiv*:ti,ab,kw OR volunteer*:ti,ab,kw) NOT ('animal'/exp NOT 'human'/exp)) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0007"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">CINAHL</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0008"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">(MH "Pulmonary Surfactants/administration and dosage" OR "Pulmonary Surfactants/therapeutic use" OR "Surface-Active Agents/administration and dosage" OR "Surface-Active Agents/therapeutic use" OR TI Surfactant* OR "Surface-Active" OR Amphiphilic* OR Tenside* OR AB Surfactant* OR "Surface- Active" OR Amphiphilic* OR Tenside*) AND (MH "Respiratory Distress Syndrome, Newborn/therapy" OR TI "Respiratory Distress Syndrome" OR "Hyaline Membrane Disease*" OR "Transient Tachypnea*" OR AB "Respiratory Distress Syndrome" OR "Hyaline Membrane Disease*" OR "Transient Tachypnea*") AND (MH "Infant, Premature" OR TI Prematur* OR Preterm* OR AB Prematur* OR Preterm*) AND (TI "less invasive" OR endotracheal OR "minimally invasive" OR aerosolized OR aerosolised OR lisa OR (Intubat* AND Extubat*) OR insure OR isx OR AB "less invasive" OR endotracheal OR "minimally invasive" OR aerosolized OR aerosolised OR lisa OR (Intubat* AND Extubat*) OR insure OR isx) AND (PT "randomized controlled trial" OR "controlled clinical trial" OR "clinical trial" OR MH "randomized controlled trials" OR "random allocation" OR "double-blind method" OR "single-blind method" OR "clinical trials" OR placebos OR "follow-up studies" OR "prospective studies" OR "cross-over studies" OR TI "clinical trial" OR ((singl* OR doubl* OR trebl* OR tripl*) AND (mask* OR blind*)) OR "latin square" OR placebo* OR random* OR control* OR prospectiv* OR volunteer* OR AB "clinical trial" OR ((singl* OR doubl* OR trebl* OR tripl*) AND (mask* OR blind*)) OR "latin square" OR placebo* OR random* OR control* OR prospectiv* OR volunteer*) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0009"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">LILACS</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0010"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">(mh:("Pulmonary Surfactants" OR "Surface-Active Agents") OR tw:(surfactant* OR surfactant* OR "Surface-Active" OR amphiphilic* OR tensid* OR amphiphilic*)) AND (mh:C08.381.842* OR tw:("Respiratory Distress Syndrome" OR "Respiratory Distress Syndrome" OR "Síndrome de Dificultad Respiratoria" OR "Respiratory Distress Syndrome" OR "Respiratory Distress Syndrome" OR "Síndrome Dysneico Respiratorio" OR "Hyaline Membrane Disease" OR "Transient Tachypnea" OR "doenca da membrana hyalina" OR "traquipneia transitoria" OR "Enfermedad de la Membrana Hialina" OR "traquipnea transitoria")) AND (mh:M01.060.703.520.520* OR tw:(Prematur* OR Preterm* OR pre-termo*)) AND (tw:("less invasive" OR endotracheal OR "minimally invasive" OR aerosolized OR aerosolised OR lisa OR (Intuba* AND Extuba*) OR insure OR isx OR "less invasive" OR "less invasive" OR endotracheal OR "minimally invasive" OR "minimally invasive" OR aerosolized OR aerosolised*)). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0011"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">SCIELO</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0012"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">(surfactant* OR surfactant* OR "Surface-Active" OR Amphiphilic* OR Tensid* OR amphiphilic*) AND ("Respiratory Distress Syndrome" OR "Respiratory Distress Syndrome" OR "Respiratory Dificultad Syndrome" OR "Respiratory Distress Syndrome" OR "Respiratory Distress Syndrome" OR "Respiratory Dyspnoea Syndrome" OR "Hyaline Membrane Disease" OR "Transient Tachypnea" OR "Hyaline Membrane Disease" OR "Transient Trachepnea" OR "Enfermedad de la Membrana Hialina" OR "Transient Trachepnea") AND (Prematur* OR Preterm* OR pretermo*) AND ("less invasive" OR endotracheal OR "minimally invasive" OR aerosolized OR aerosolised OR lisa OR (Intuba* AND Extuba*) OR insure OR isx OR "less invasive" OR "less invasive" OR endotracheal OR "minimally invasive" OR "minimally invasive" OR aerosolized OR aerosolised*) \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3479336.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spara009" class="elsevierStyleSimplePara elsevierViewall">Search terms used in the database.</p>" ] ] 9 => array:8 [ "identificador" => "tbl0002" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0010" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><a name="en0013"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Author (year) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0014"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Participants (N-I/C) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0015"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Group Intervention \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0016"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Group Control \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0017"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Primary endpoint \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0018"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Results \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><a name="en0019"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Gupta et al. (2020)<a class="elsevierStyleCrossRef" href="#bib0018"><span class="elsevierStyleSup">18</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0020"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">58 (29/29) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0021"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Insertion of a probe by direct laryngoscopy using forceps. After placement of the probe, the laryngoscope was removed. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0022"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The neonates were intubated for surfactant replacement therapy, on positive pressure ventilation and a self-inflating resuscitation bag. Neonates were extubated immediately after surfactant administration and placed back on NIPPV. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0023"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Need for IMV in the first 72 h of life. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0024"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Need for IMV in 72h:</span>There was no statistically significant difference between the LISA group (10.34%) and the INSURE group (20.69%).<span class="elsevierStyleBold">Persistence of the ductus arteriosus,</span><span class="elsevierStyleBold">PIVH > grade 2, BPD and BPD outcome/pre-discharge mortality:</span> No differences were observed between the two groups.<span class="elsevierStyleBold">Hospital stay:</span>Neonates in the INSURE group stayed in the hospital longer than in the LISA group (mean 41.6 days vs 29.76 days).<span class="elsevierStyleBold">Need for a second dose of surfactant:</span> There was no difference. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0025"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Mirnia et al. (2013)<a class="elsevierStyleCrossRef" href="#bib0013"><span class="elsevierStyleSup">13</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0026"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">80 (38/42) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0027"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Tracheal instillation via catheter during spontaneous breathing under nCPAP. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0028"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The neonates were intubated, received positive pressure ventilation for 30 s while surfactant was administered. After surfactant instillation, they were placed on nCPAP immediately. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0029"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">–</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0030"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Duration of ventilation:</span>There was no difference between the duration of mechanical ventilation between the two groups (<span class="elsevierStyleItalic">p</span> < 0.2), but the mean total duration of CPAP was shorter in the LISA group, in contrast to the INSURE group (<span class="elsevierStyleItalic">p</span> < 0.01).<span class="elsevierStyleBold">Morbidities:</span>There was no difference in the prevalence of BPD, patent ductus arteriosus, PIVH, pneumothorax, sepsis and retinopathy of prematurity between the two groups.<span class="elsevierStyleBold">O2 supplement need and length of stay:</span> Lower rates in the LISA group compared to the INSURE group, but not statistically significant. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0031"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Jena et al. (2019)<a class="elsevierStyleCrossRef" href="#bib0019"><span class="elsevierStyleSup">19</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0032"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">350 (175/175) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0033"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Direct laryngoscopy was performed and the catheter or feeding tube was inserted through the vocal cords to the desired depth. Meanwhile, the CPAP prong was fitted to the face. After placement of the catheter, the laryngoscope was removed. Surfactant was administered as a single bolus over 60 to 90 s and the tracheal catheter was immediately withdrawn. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0034"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants were intubated and administered as in the intervention group, while they received PPV with a T piece resuscitator. After extubation, nCPAP was started as in the intervention group. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0035"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Effect of the LISA technique on the need for MV in the first 72 h of life. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0036"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Need for MV:</span>There was a significant reduction in the need for MV in the LISA group (19% vs 40%, <span class="elsevierStyleItalic">p</span> < 0.01).<span class="elsevierStyleBold">Second dose of surfactant and morbidities:</span>There was no difference between the two groups in the need for the second dose of surfactant, EOS, PDA, PIVH and mortality before hospital discharge.In addition, duration of oxygen therapy, necrotizing enterocolitis and duration of NICU stay were significantly shorter in the LISA group. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0037"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Baskabadi et al. (2019)<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">20</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0038"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">40 (20/20) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0039"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Direct laryngoscopy was performed to place a feeding tube into the infant's trachea. Then, during spontaneous breathing using nCPAP, surfactant was used for 1–3 min through the feeding tube, then the feeding tube was removed and NCPAP continued. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0040"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants on NCPAP were intubated for surfactant administration and received the same amount of surfactant through the tracheal tube, then for 30–60 s they were submitted to bag-valve mask ventilation, then the tracheal tube was removed and NCPAP was restarted. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0041"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">–</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0042"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Duration of ventilation and duration of hospitalization:</span>The use of LISA reduced the need for MV in infants (<span class="elsevierStyleItalic">p</span> = 0.027), did not increase the side effects of RDS, and did not change the duration of the need for NCPAP and the duration of hospitalization (<span class="elsevierStyleItalic">p</span> > 0.05). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0043"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Olivier et al. (2017)<a class="elsevierStyleCrossRef" href="#bib0021"><span class="elsevierStyleSup">21</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0044"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">45 (24/21) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0045"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Laryngoscopy was performed while patients received nCPAP support in which a sterile, flexible probe with forceps was inserted. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0046"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Surfactant was administered only after intubation based on the judgment of the attending physician. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0047"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Need for MV or the development of a pneumothorax requiring chest drainage. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0048"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Mechanical ventilation or pneumothorax:</span>The incidence of the primary outcome was significantly lower in the intervention group (<span class="elsevierStyleItalic">p</span> < 0.001). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0049"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Kribs et al. (2015)<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0050"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">211 (107/104) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0051"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Laryngoscopy was performed while the child was breathing with the aid of nasal CPAP, then a catheter was introduced with forceps at an angle of approximately 120°; the catheter was fixed in this position and the laryngoscope removed. The infant's mouth was closed, and the surfactant was manually instilled for 30 to 120 s per minibolus. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0052"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants were intubated, mechanical ventilation was started, and surfactant was administered through the endotracheal tube. Sedation and analgesia for intubation were not routinely used.After administration, the infants were extubated and placed on non-invasive ventilation. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0053"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Survival without bronchopulmonary dysplasia at 36 weeks GA, as determined by a standardized test. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0054"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Bronchopulmonary dysplasia:</span>In the intervention group, 67.3% of all infants survived without BPD compared to 58.7% in the control group, i.e., no significant difference. The absolute risk reduction for the primary outcome was 8.6% (p = 0.20).<span class="elsevierStyleBold">Mechanical ventilation:</span>Duration was shorter in the intervention group. No significant differences were observed in duration of respiratory support, use of supplemental oxygen, or incidence of pulmonary hemorrhage.<span class="elsevierStyleBold">Pneumothorax:</span>The occurrence was significantly lower in the intervention vs control group (4.8% vs 12.6%; <span class="elsevierStyleItalic">p</span> = 0.04).<span class="elsevierStyleBold">Intraventricular hemorrhage:</span>The intervention group had significantly less severe PIVH (10.3% vs 22.1%; p = 0.02).<span class="elsevierStyleBold">Duration of hospitalization:</span>It was not significantly lower in the intervention group (103 vs 105 days; p = 0.11). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0055"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Han et al. (2020)<a class="elsevierStyleCrossRef" href="#bib0023"><span class="elsevierStyleSup">23</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0056"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">298 (151/147) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0057"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">A laryngoscope was introduced through which the catheter tip was positioned with the aid of forceps up to 1.0 cm below the vocal cords. The laryngoscope and forceps were removed, and the child's mouth closed. The surfactant was instilled for 60 to 300 s per minibolus.The catheter was removed immediately after administration. Sedation and analgesia were not used. During surfactant administration, nCPAP therapy was continued. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0058"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">They were intubated and received positive pressure ventilatory support. The surfactant was administered through an endotracheal tube. Positive pressure ventilatory support was performed following predefined patterns. Extubation criteria were established as FiO 2 < 0.3 and mean airway pressure (MAP) < 8 cm H2O. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0059"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Difference in BPD morbidity between two groups of infants with LISA and INSURE at 36 weeks corrected gestational age. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0060"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Bronchopulmonary dysplasia:</span>There were no clear benefits of LISA therapy on the incidence of BPD, but there was a trend towards a reduction in the incidence of BPD in the intervention group (29/151 vs. 138/147, 19.2 vs. 25.9%, <span class="elsevierStyleItalic">p</span> = 0.170).<span class="elsevierStyleBold">BPD and PDA morbidity:</span>There was a significant reduction in morbidity in the BPD intervention group (9/31, 29.0 vs. 14/20, 70.0%, <span class="elsevierStyleItalic">p</span> = 0.004) and PDA (9/31, 29.0, vs. 13/21, 65.0%, <span class="elsevierStyleItalic">p</span> = 0.011).<span class="elsevierStyleBold">Duration of ventilatory support:</span>There were no differences in the duration of nCPAP respiratory support and supplemental oxygen between the two groups.<span class="elsevierStyleBold">Duration of hospitalization:</span>The infants in both groups remained in the NICU for almost 40 days.<span class="elsevierStyleBold">Persistence of the ductus arteriosus:</span>Children in the INSURE group had higher rates compared to children in the LISA group (60.5 vs. 41.1%, <span class="elsevierStyleItalic">p</span> = 0.001). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0061"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Bao et al. (2015)<a class="elsevierStyleCrossRef" href="#bib0024"><span class="elsevierStyleSup">24</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0062"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">90 (47/43) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0063"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">A 16-gage, 130 mm vascular catheter was marked to indicate the desired insertion depth (28–29 weeks: 1.5 cm, 30–32 weeks: 2 cm). While the neonates were on nCPAP, direct laryngoscopy was performed, and the catheter was inserted beyond the vocal cords to the required depth. Surfactant was administered in a standard dose with 5 bolus or more over 3–5 min. The tracheal catheter was immediately removed, and the infants were left on nCPAP. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0064"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Surfactant instillation via endotracheal tube was performed with a few brief mechanical ventilations, a standard dose of surfactant was always divided into 2 or 3 bolus. The endotracheal tube was removed as soon as clinically possible after PS instillation, and the infant was switched to nCPAP. The entire procedure lasted about 3 min and took place without continuous distending pressure. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0065"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">–</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0066"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Mechanical ventilation:</span>The duration of MV and nCPAP was significantly shorter in the intervention group.There were no significant differences in both rates of MV in the first 72 h and mean duration of oxygen need.<span class="elsevierStyleBold">Mortality and morbidities:</span>There were no differences in mortality or in the incidence of bronchopulmonary dysplasia, intraventricular hemorrhage, retinopathy of prematurity and necrotizing enterocolitis. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0067"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Mosayebi et al. (2017)<a class="elsevierStyleCrossRef" href="#bib0006"><span class="elsevierStyleSup">6</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0068"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">53 (24/26) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0069"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The surfactant was instilled through a thin tracheal catheter, which was then removed. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0070"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants were first intubated, administered surfactant by passing a feeding tube through the endotracheal tube, and then extubated after 30 s of positive pressure ventilation. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0071"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">–</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0072"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Ventilatory support:</span>The amount of oxygen needed by the LISA group was consistently lower than the other group in the first 48 h of life. The overall mean FiO2 was 42.5 ± 19.6 in the LISA group and 48.4 ± 21.6 in the INSURE group (<span class="elsevierStyleItalic">p</span> = 0.009).<span class="elsevierStyleBold">Duration of hospitalization:</span>The mean length of stay in the neonatal intensive care unit was 7.3 ± 7.2 days in the MIST group and 9 ± 10.4 days in the INSURE group (<span class="elsevierStyleItalic">p</span> = 0.81).<span class="elsevierStyleBold">Complications:</span>In terms of early and late complications, no difference was observed between the two groups. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0073"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Göpel et al. (2011)<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">25</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0074"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">220 (108/112) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0075"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants received surfactant treatment during spontaneous breathing through a thin catheter inserted into the trachea by laryngoscopy if they required an inspired fraction of oxygen greater than 0.30. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0076"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants in the standard care group were assigned to receive CPAP, rescue intubation, and surfactant treatment if needed. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0077"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Any mechanical ventilation, or not being ventilated, but having a PCO2 greater than 65 mm Hg (8.6 kPa) or an FiO2 greater than 0.060 or both, for more than 2 h between 25 and 72 h of age. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0078"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Need for mechanical ventilation:</span>The number of infants who received MV during the hospitalization was lower in the intervention group than in the control group (28% vs 46%; <span class="elsevierStyleItalic">p</span> = 0·008).<span class="elsevierStyleBold">Duration of ventilatory support:</span>The total number of ventilation days was 599 in the control group vs 242 days in theintervention group. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0079"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Bertini et al. (2017)<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0080"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">20 (10/10) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0081"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">A flexible nasogastric tube was placed in the trachea after direct visualization of the vocal cords with a laryngoscope and forceps. After placement of the catheter, the laryngoscope was removed, and surfactant was administered intratracheally within 30 to 60 s. After instillation, the catheter was immediately removed. The nCPAP support was maintained during the procedure. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0082"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Performed with endotracheal tube and surfactant was instilled into the trachea within 30 s. After surfactant instillation, mechanical ventilation was performed for 1 min using a T piece device set at 18/5 cm H 2 O. Then, patients were immediately extubated and nCPAP resumed. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0083"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Changes in measurement of cerebral regional oxygenation induced by LISA and INSURE proceduresand the possible differences between them. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0084"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Regional cerebral oxygen saturation:</span>The LISA and INSURE procedures transiently decreased rSO2C in both groups, but the decrease was greater in the LISA group (<span class="elsevierStyleItalic">p</span> ≤ 0.001). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0085"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Mohammadizadeh et al. (2015)<a class="elsevierStyleCrossRef" href="#bib0027"><span class="elsevierStyleSup">27</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0086"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">38 (19/19) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0087"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Using the laryngoscope, a flexible catheter was inserted into the trachea and fixed with the aid of forceps at an angle of 120° This was fixed with two fingers and the laryngoscope removed. Then, surfactant was injected into the trachea for 1–3 min. At the end of the procedure, to ensure that the drug was not accidentally injected into the stomach, the orogastric tube was aspirated. During the procedure, nCPAP was applied continuously. After surfactant administration, FIO<span class="elsevierStyleInf">2</span> was gradually decreased as in the control group. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0088"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The surfactant was administered through a 2.5F or 3F endotracheal tube inserted into the trachea. The child was temporarily separated from the CPAP. After bolus injection of drug into the trachea, positive pressure ventilation was applied using neopuff and continued for at least 1 min or until SpO<span class="elsevierStyleInf">2</span> reached 87% or greater. The endotracheal tube was then removed, and the child was switched back to nCPAP at the previous pressure.FIO <span class="elsevierStyleInf">2</span> was decreased at a rate of 5% every 1–2 min while SpO<span class="elsevierStyleInf">2</span> was maintained at the above-desired level. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0089"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Need for mechanical ventilation up to 72 h after birth. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0090"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Need for mechanical ventilation:</span>There was no significant difference between the groups regarding the need formechanical ventilation during the first 72 h of birth (3 [15.8%] in the control group vs. 2 [10.5%] in theintervention group; <span class="elsevierStyleItalic">p</span> = 0.99).<span class="elsevierStyleBold">Duration of ventilatory support:</span>The duration of oxygen therapy in the intervention group (fine catheter inserted into the trachea) was significantly shorterthan the control group (endotracheal tube) (243.7 ± 74.3 h vs. 476.8 ± 106.8 h; <span class="elsevierStyleItalic">p</span> = 0.018).<span class="elsevierStyleBold">Adverse events:</span>The number of adverse events during surfactant administration was significantly lower in the intervention group than in the control group (6 [31.6%] vs.12 [63.2%]; <span class="elsevierStyleItalic">p</span> = 0.049).<span class="elsevierStyleBold">Morbidities and mortality:</span>There was no significant difference between the two groups in terms of intraventricular hemorrhage rate, mortality and chronic lung disease. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0091"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Yang et al. (2020)<a class="elsevierStyleCrossRef" href="#bib0028"><span class="elsevierStyleSup">28</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0092"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">97 (47/50) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0093"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">A gastric tube with an outer diameter of 2 mm was marked to indicate the desired insertion depth (32–34 weeks: 2 cm, 34–36 weeks: 2.5 cm). While the child was breathing via CPAP, a direct laryngoscope was introduced while the probe was grasped with Magill forceps to the desired position. The laryngoscope and clamp were removed. The infant's mouth was closed, and the surfactant was slowly injected over 1 to 3 min. After this step, 1 ml of air was introduced, and the gastric tube was removed. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0094"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">The infants in the INSURE group were treated with tracheal intubation and positive pressure artificial ventilation. Positive pressure ventilation continued for 3 min after surfactant injection and NCPAP was used after extubation. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0095"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">–</span> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0096"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">There were no significant differences in reflux, asphyxia, Bradycardia (< 100 beats/min), apnea, FiO2, changes in PaO2 and PaCO2 1 hour after treatment between the groups.During administration, blood pressure and SpO2 in the LISA group were more stable, and significant differences between the 2 groups were observed.However, there were no significant differences in complications and outcomes between the 2 groups. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0097"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Li et al. (2016)<a class="elsevierStyleCrossRef" href="#bib0029"><span class="elsevierStyleSup">29</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0098"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">44 (22/22) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0099"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Surfactant via LISA was administered within 6 h of birth. The detailed protocol for LISA was derived from the literature. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0100"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Surfactant via INSURE was administered within 6 h of birth. The detailed protocol for INSURE was derived from the literature. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0101"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">To compare the effect of the two methods of surfactant administration on brain autoregulation. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0102"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Regional cerebral oxygen saturation:</span> INSURE and LISA caused a transient impairment of brain autoregulation in infants with RDS, LISA was better than the INSURE technique in terms of duration of effect (< 5 min for LISA vs. 5–10 min for INSURE). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0103"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Kanmaz et al. (2013)<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0104"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">200 (100/100) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0105"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">A laryngoscope was used to introduce a flexible and sterile nasogastric tube. The desired insertion depths beyond the vocal cords for preterm infants at 25 to 26, 27 to 28, and 29 to 32 weeks GA were 1.0, 1.5, and 2.0 cm, respectively. After placement of the catheter, the laryngoscope was removed. Surfactant was prepared and administered as a 1 bolus over 30 to 60 s and the tracheal catheter was immediately withdrawn. During the procedure, CPAP support was not interrupted. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0106"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Patients were first intubated orally with a double-lumen endotracheal tube and surfactant was instilled into the trachea within 30 s. During surfactant instillation, manual lung inflation was performed using a T piece device with a pressure of 20/5 cm H<span class="elsevierStyleInf">2</span>O, and then the patient was promptly extubated. Soon after extubation, nCPAP support was restarted, depending on the intervention group. No premedication, such as sedation or atropine, was used during either procedure. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0107"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Need for mechanical ventilation in the first 72 h of life. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0108"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Need for mechanical ventilation:</span>The need for mechanical ventilation in the first 72 h of life was significantly lower in the LISA group when compared to the INSURE group (30% vs 45%, <span class="elsevierStyleItalic">p</span> = 0.02).<span class="elsevierStyleBold">Duration of ventilatory support:</span>The average duration of nCPAP and MV were significantly shorter in the LISA group (P values ​​0.006 and 0.002, respectively).<span class="elsevierStyleBold">Bronchopulmonary dysplasia:</span>The rate was significantly lower among children treated with LISA and the incidence of moderate to severe BPD among patients who survived the disease was significantly higher in the INSURE Group (20.2% vs 10.3%, <span class="elsevierStyleItalic">p</span> = 0.009).<span class="elsevierStyleBold">Mortality:</span>Overall mortality rates were similar in both groups (16% and 13%, <span class="elsevierStyleItalic">p</span> = 0.68). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0109"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Halim et al. (2019)<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0110"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">100 (50/50) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0111"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Surfactant was administered with the aid of a nasogastric tube. The upper respiratory tract was visualized with a laryngoscope and the catheter was passed 1–2 cm beyond the vocal cords. Surfactant was delivered within 1–3 min in small doses, while the child continued to breathe with nCPAP, during and after the procedure.If catheterization was not possible within 20–30 s, the procedure was interrupted and tried again when the infant was stable. The tracheal catheter was removed immediately after the procedure. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0112"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Infants were intubated and surfactant was successfully administered in 2–3 doses with an endotracheal tube at the same dose as the intervention group, while they received positive pressure ventilation via a T-piece resuscitator. After a brief period of positive pressure ventilation for 15–20 min, the endotracheal tube was removed, and the infants were placed on nCPAP. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0113"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Need for mechanical ventilation. \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0114"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top"><span class="elsevierStyleBold">Need for mechanical ventilation:</span>The need for invasive mechanical ventilation was significantly higher in the INSURE group (60% (<span class="elsevierStyleItalic">n</span> = 30) vs. 30% (<span class="elsevierStyleItalic">n</span> = 15), <span class="elsevierStyleItalic">p</span> < 0.05} compared to the LISA group.<span class="elsevierStyleBold">Duration of mechanical ventilation:</span>The duration of mechanical ventilation was also significantly longer in the INSURE group with a median of 71 (IQR 62) vs. 40 (IQR 75) hours, <span class="elsevierStyleItalic">p</span> < 0.05 when compared to the LISA group.<span class="elsevierStyleBold">Morbidities:</span>No significant differences were observed in either group based on complication rate (pneumothorax, PDA, pulmonary hemorrhage). In the INSURE group 5 (10%) developed pneumothorax compared with 2 (4%) in the LISA group (<span class="elsevierStyleItalic">p</span> = 0.625).<span class="elsevierStyleBold">Mortality:</span>There were better survival rates in the LISA group (62% discharged, 38% died) compared with the INSURE group (44% discharged, 56% died), with no significant value. \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3479334.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spara010" class="elsevierStyleSimplePara elsevierViewall">Characteristics of the studies included in the systematic review.</p>" ] ] 10 => array:8 [ "identificador" => "tbl0003" "etiqueta" => "Table 3" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "alt0011" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><a name="en0115"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Author (year) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0116"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Pneumothorax n (%) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0117"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">Mortality n (%) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><a name="en0118"></a><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="top" scope="col" style="border-bottom: 2px solid black">PIVH n (%) \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><a name="en0119"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Gupta et al. (2020)<a class="elsevierStyleCrossRef" href="#bib0018"><span class="elsevierStyleSup">18</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0120"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0121"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 4 (13.7%)INSURE 9 (31%)<span class="elsevierStyleItalic">p</span> = 0.11 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0122"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 0 (0%)INSURE 1 (3.45%)<span class="elsevierStyleItalic">p</span> > 0.99 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0123"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Mirnia et al. (2013)<a class="elsevierStyleCrossRef" href="#bib0013"><span class="elsevierStyleSup">13</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0124"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 2 (6%)INSURE 2 (5%)<span class="elsevierStyleItalic">p</span> = 0.9 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0125"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (3%)INSURE 3 (8%)<span class="elsevierStyleItalic">p</span> = 0.3 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0126"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 4 (11%)INSURE 1 (2%)<span class="elsevierStyleItalic">p</span> = 0.3 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0127"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Jena et al. (2019)<a class="elsevierStyleCrossRef" href="#bib0019"><span class="elsevierStyleSup">19</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0128"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0129"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 9 (5%)INSURE 17 (10%)<span class="elsevierStyleItalic">p</span> >0.05 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0130"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 5 (3%)INSURE 4 (2%)<span class="elsevierStyleItalic">p</span> > 0.05 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0131"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Baskabadi et al. (2019)<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">20</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0132"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0133"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0134"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (5%)INSURE 1 (5%)<span class="elsevierStyleItalic">p</span> = 1 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0135"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Olivier et al. (2017)<a class="elsevierStyleCrossRef" href="#bib0021"><span class="elsevierStyleSup">21</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0136"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (4.1%)INSURE 1 (4.7%)<span class="elsevierStyleItalic">p</span> > 0.05 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0137"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0138"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0139"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Kribs et al. (2015)<a class="elsevierStyleCrossRef" href="#bib0022"><span class="elsevierStyleSup">22</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0140"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 5 (4.8%)INSURE 13 (12.6%)<span class="elsevierStyleItalic">p</span> = 0.04 * \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0141"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 10 (9.3%)INSURE 12 (11.5%)<span class="elsevierStyleItalic">p</span> = 0.59 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0142"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 11 (10.3%)INSURE 23 (22.1%)<span class="elsevierStyleItalic">p</span> = 0.02 * \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0143"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Han et al. (2020)<a class="elsevierStyleCrossRef" href="#bib0023"><span class="elsevierStyleSup">23</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0144"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0145"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0146"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 10 (6.6%)INSURE 10 (6.8%)<span class="elsevierStyleItalic">p</span> = 0.35 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0147"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Bao et al. (2015)<a class="elsevierStyleCrossRef" href="#bib0024"><span class="elsevierStyleSup">24</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0148"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 4 (8.9%)INSURE 3 (7%)<span class="elsevierStyleItalic">p</span> = 0.79 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0149"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (2.1%)INSURE 0 (0%)<span class="elsevierStyleItalic">p</span> = 0.34 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0150"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (2.1%)INSURE 0 (0%)<span class="elsevierStyleItalic">p</span> = 0.34 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0151"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Mosayebi et al. (2017)<a class="elsevierStyleCrossRef" href="#bib0006"><span class="elsevierStyleSup">6</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0152"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 0 (0%)INSURE 1 (3.8%)<span class="elsevierStyleItalic">p</span> = 0.49 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0153"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (3.7%)INSURE 0 (0%)<span class="elsevierStyleItalic">p</span> = 0.98 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0154"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 0 (0%)INSURE 1 (3.8%)<span class="elsevierStyleItalic">p</span> = 0.49 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0155"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Göpel et al. (2011)<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">25</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0156"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 4 (4%)INSURE 8 (7%)<span class="elsevierStyleItalic">p</span> = 0.37 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0157"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 7 (7%)INSURE 5 (5%)<span class="elsevierStyleItalic">p</span> = 0.56 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0158"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 8 (7%)INSURE 6 (5%)<span class="elsevierStyleItalic">p</span> = 0.59 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0159"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Bertini et al. (2017)<a class="elsevierStyleCrossRef" href="#bib0026"><span class="elsevierStyleSup">26</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0160"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0161"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (10%)INSURE 0 (0%)<span class="elsevierStyleItalic">p</span> = 1 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0162"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0163"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Mohammadizadeh et al. (2015)<a class="elsevierStyleCrossRef" href="#bib0027"><span class="elsevierStyleSup">27</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0164"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0165"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (5.2%)INSURE 3 (15.8%)<span class="elsevierStyleItalic">p</span> = 0.60 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0166"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 1 (5.2%)INSURE 1 (5.2%)<span class="elsevierStyleItalic">p</span> = 1 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0167"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Yang et al. (2020)<a class="elsevierStyleCrossRef" href="#bib0028"><span class="elsevierStyleSup">28</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0168"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 2 (4.3%)INSURE 3 (6%)<span class="elsevierStyleItalic">p</span> = 0.70 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0169"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 0 (0%)INSURE 0 (0%) \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0170"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 0 (0%)INSURE 0 (0%) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0171"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Li et al. (2016)<a class="elsevierStyleCrossRef" href="#bib0029"><span class="elsevierStyleSup">29</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0172"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0173"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 0 (0%)INSURE 1 (4.5%)<span class="elsevierStyleItalic">p</span> = 0.31 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0174"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 2 (9.1%)INSURE 3 (13.6%)<span class="elsevierStyleItalic">p</span> = 0.60 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0175"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Kanmaz et al. (2013)<a class="elsevierStyleCrossRef" href="#bib0012"><span class="elsevierStyleSup">12</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0176"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 7 (7%)INSURE 10 (10%)<span class="elsevierStyleItalic">p</span> = 0.61 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0177"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 16 (16%)INSURE 13 (13%)<span class="elsevierStyleItalic">p</span> = 0.68 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0178"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 10 (10%)INSURE 16 (16%)<span class="elsevierStyleItalic">p</span> > 0.05 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><a name="en0179"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">Halim et al. (2019)<a class="elsevierStyleCrossRef" href="#bib0008"><span class="elsevierStyleSup">8</span></a> \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0180"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 2 (4%)INSURE 5 (10%)<span class="elsevierStyleItalic">p</span> = 0.63 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0181"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">LISA 19 (38%)INSURE 28 (56%)<span class="elsevierStyleItalic">p</span> > 0.05 \t\t\t\t\t\t\n \t\t\t\t</td><a name="en0182"></a><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="top">– \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3479335.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spara011" class="elsevierStyleSimplePara elsevierViewall">Pneumothorax, Mortality and PIVH rates.</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "cebibsec1" "bibliografiaReferencia" => array:30 [ 0 => array:3 [ "identificador" => "bib0001" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Trends in care practices, morbidity, and mortality of extremely preterm neonates, 1993-2012" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "B.J. 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Year/Month | Html | Total | |
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2024 November | 13 | 6 | 19 |
2024 October | 58 | 52 | 110 |
2024 September | 64 | 37 | 101 |
2024 August | 91 | 73 | 164 |
2024 July | 74 | 58 | 132 |
2024 June | 73 | 34 | 107 |
2024 May | 87 | 34 | 121 |
2024 April | 106 | 76 | 182 |
2024 March | 163 | 26 | 189 |
2024 February | 215 | 67 | 282 |
2024 January | 271 | 114 | 385 |
2023 December | 48 | 41 | 89 |
2023 November | 80 | 77 | 157 |
2023 October | 72 | 49 | 121 |
2023 September | 60 | 64 | 124 |
2023 August | 27 | 22 | 49 |
2023 July | 56 | 40 | 96 |
2023 June | 11 | 17 | 28 |