Corresponding author at: Perdriel 4189, Villa Lynch. CP 1650. Sanatorio Anchorena San Martín, Buenos Aires, Argentina.
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"tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "671" "paginaFinal" => "674" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "Matías Accoce, Javier Hernan Dorado, Gimena Paola Cardoso, Matías Nicolas Bertozzi, Daniela Ines Gilgado, Joaquín Pérez" "autores" => array:6 [ 0 => array:4 [ "nombre" => "Matías" "apellidos" => "Accoce" "email" => array:1 [ 0 => "matiasaccoce@gmail.com" ] "referencia" => array:4 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] 2 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff0015" ] 3 => array:2 [ "etiqueta" => "*" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "Javier Hernan" "apellidos" => "Dorado" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 2 => array:3 [ "nombre" => "Gimena Paola" "apellidos" => "Cardoso" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">d</span>" "identificador" => "aff0020" ] ] ] 3 => array:3 [ "nombre" => "Matías Nicolas" "apellidos" => "Bertozzi" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">d</span>" "identificador" => "aff0020" ] ] ] 4 => array:3 [ "nombre" => "Daniela Ines" "apellidos" => "Gilgado" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">d</span>" "identificador" => "aff0020" ] ] ] 5 => array:3 [ "nombre" => "Joaquín" "apellidos" => "Pérez" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:4 [ 0 => array:3 [ "entidad" => "Sanatorio Anchorena San Martín, Buenos Aires, Argentina" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Universidad Abierta Interamericana, Facultad de Medicina y Ciencias de la Salud, Buenos Aires, Argentina" "etiqueta" => "b" "identificador" => "aff0010" ] 2 => array:3 [ "entidad" => "Hospital de Quemados, Ciudad Autónoma de Buenos Aires, Argentina" "etiqueta" => "c" "identificador" => "aff0015" ] 3 => array:3 [ "entidad" => "Hospital Donación “Francisco Santojanni”, Buenos Aires, Argentina" "etiqueta" => "d" "identificador" => "aff0020" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author at: Perdriel 4189, Villa Lynch. CP 1650. Sanatorio Anchorena San Martín, Buenos Aires, Argentina." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Puede el decúbito prono disminuir la energía mecánica en C-SDRA?" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 2550 "Ancho" => 3341 "Tamanyo" => 457046 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Response of MP and its partitioned components during the evaluation times A) Dynamic Power B) Elastic Power C) Driving Power D) Mechanical power (MP), during supine (SUP), immediate (PP_1) and late prone position (PP_2). Data are expressed as median (Q1-Q3). # and *: <span class="elsevierStyleItalic">p</span> < 0.005.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Prone positioning (PP) improves survival in moderate-severe acute respiratory distress syndrome induced by coronavirus-19 (C-ARDS). The attenuation of ventilator-induced lung injury (VILI) represents the most plausible mechanism resulting in reduced mortality.<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1–3</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">The mechanical power (MP) has been recently proposed by Gattinoni et al. as a unifying concept aiming to reflect the risk of VILI by integrating information about the ventilatory settings and respiratory mechanics.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">The first aim of our study was to describe the effects of the first session of PP on MP in moderate-severe C-ARDS.</p><p id="par0020" class="elsevierStylePara elsevierViewall">We carried out a prospective cohort study in the intensive care unit (ICU) of the Sanatorio Anchorena San Martín, Buenos Aires. Consecutive sedated and paralyzed adults with moderate-severe C-ARDS who required invasive ventilation and PP were included. We excluded patients without neuromuscular blockers, not drained pneumothorax, bronchopleural fistula and obstructive pulmonary disease. The study was approved by the local review board (code#11/2020) and was registered in clinicaltrials.gov (NCT04369105). The informed consent was obtained in all patients and they were ventilated in volume-controlled mode set-point (VC-CMVs), with tidal volume (VT) of 4−8 mL/Kg of predicted body weight, plateau pressure <30cmH2O and driving pressure (DP) <15cmH<span class="elsevierStyleInf">2</span>O. PEEP level was selected by a 2-cmH<span class="elsevierStyleInf">2</span>O stepwise decremental titration without prior recruitment and the lowest PEEP associated with higher compliance (Crs) was set. The respiratory rate was adjusted to pH between 7.25–7.35 and the inspired oxygen to peripheral oxygen saturation between 90–95 %. The patients were deeply sedated (target RASS -5) with propofol and fentanyl and received neuromuscular blockade with atracurium.<a class="elsevierStyleCrossRefs" href="#bib0025"><span class="elsevierStyleSup">5,6</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">We calculated MP at three time-points: 1) supine (SUP), within 15 min before PP; 2) within the 15 min after PP (PP_1) keeping the same ventilatory settings that SUP; 3) after 2−4 h of PP (PP_2). In PP_2, changes in ventilator setting were permitted at physician’s discretion. Secretions were properly suctioned prior to data collection besides, we collected arterial blood gasses at SUP and PP_2.</p><p id="par0030" class="elsevierStylePara elsevierViewall">Our main end-point was the MP calculated through the original<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a>:<elsevierMultimedia ident="eq0005"></elsevierMultimedia></p><p id="par0035" class="elsevierStylePara elsevierViewall">In addition, considering the uncertain impact of the resistive pressure gradient on VILI pathophysiology, but the clear link between VILI and DP, we analyzed the pure behavior of elastic loads in MP calculations according to Dianti et al.<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a>:<elsevierMultimedia ident="eq0010"></elsevierMultimedia></p><p id="par0040" class="elsevierStylePara elsevierViewall">To isolate the influence of dynamic strain, we also computed the dynamic and driving MP excluding the static strain component (i.e., considering PEEP = 0cmH<span class="elsevierStyleInf">2</span>O)<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a>:<elsevierMultimedia ident="eq0015"></elsevierMultimedia><elsevierMultimedia ident="eq0020"></elsevierMultimedia></p><p id="par0045" class="elsevierStylePara elsevierViewall">Continuous data are expressed with mean (SD) or median [quartile 25–75] according to normality checked by Shapiro-Wilk test. Categorical data are expressed as number (%). Comparisons between MP forms, ventilator settings and monitoring variables were tested by one-way ANOVA or Friedman test and <span class="elsevierStyleItalic">p</span>-values were adjusted by post-hoc Tukey’s or Dunn’s correction. Gas exchange response was compared with <span class="elsevierStyleItalic">t</span>-test or Wilcoxon-Mann-Whitney test, as appropriate. In a post-hoc analysis, we investigated potential predictors of response in cases where prone induced significant effects. A linear model was fitted with the following continuous predictors, all collected a priori in supine: PaO<span class="elsevierStyleInf">2</span>/FiO<span class="elsevierStyleInf">2</span>, Crs and PEEP. A two-tailed <span class="elsevierStyleItalic">p</span>-value <0.05 was considered statistically significant. The analysis was performed with GraphPad Prism 8.4®.</p><p id="par0050" class="elsevierStylePara elsevierViewall">We studied 70 C-ARDS from July 2020 to September 2021. The patients were 60 (13) years-old and were predominantly male (65%). The APACHE II at admission was 13 [10–17] points, 86% had moderate-ARDS and 14% had severe-ARDS. The total MV duration was 13 [6–22] days, the ICU stay was 15 [8–25] days and the ICU mortality was 57%.</p><p id="par0055" class="elsevierStylePara elsevierViewall">At the time of first PP session, the patients had 3 [1–6] days of intubation and a PaO<span class="elsevierStyleInf">2</span>/FiO<span class="elsevierStyleInf">2</span> of 134 (37.3) mmHg (<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>). <a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a> depicts the response of MP to prone positioning. Although MP<span class="elsevierStyleInf">global</span> did not change immediately (mean-change (95% CI): 0.13 (−0.18 to 0.40); <span class="elsevierStyleItalic">p</span> = 0.840) or after 2−4 h (−0.02 (−0.38 to 0.35); <span class="elsevierStyleItalic">p</span> > 0.990), PP reduced Dynamic-Power (−0.60 (−0.86 to 0.30) J/min; <span class="elsevierStyleItalic">p</span> = 0.0006) and Driving-Power (−44.4 (−72 to −16.8) cmH<span class="elsevierStyleInf">2</span>O<span class="elsevierStyleSup">2</span>/min; <span class="elsevierStyleItalic">p</span> = 0.001) in PP_2. The only variable that predicted Driving-Power response was the Crs prior to prone (<span class="elsevierStyleItalic">β</span> = 3.36 (standard-error: 1.05–6.26); <span class="elsevierStyleItalic">p</span> = 0.007) (Table SM1). The response of Dynamic-Power was not predicted by any of the variables evaluated (Table SM2).</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0060" class="elsevierStylePara elsevierViewall">This study showed that prone ventilation did not produce significant effects on MP<span class="elsevierStyleInf">global</span> but it may reduce the elastic energy applied to the respiratory system in C-ARDS patients.</p><p id="par0065" class="elsevierStylePara elsevierViewall">The null impact of prone on MP<span class="elsevierStyleInf">global</span> may have different explanations: first, PP has been shown to make ventilation more homogeneous and reduce regional pulmonary stress/strain<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a>; MP<span class="elsevierStyleInf">global</span> may not be able to capture such regional changes. We found improvement in oxygenation and mild increase in Crs, suggesting that recruitment occurred through redistribution of ventilation to dorsal zones. Second, the time until PP2 may not have been sufficient to find full benefits on gas exchange and/or respiratory mechanics. Accordingly, improvements in CO<span class="elsevierStyleInf">2</span> clearance, compliance, dead space, and oxygenation have been shown to be greater as the time of the prone is prolonged.<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> This fact could have enabled clinicians to modify ventilator settings (e.g., reduce RR, flow or PEEP) and reduce MP; third, the original MP formula includes the resistive component, which is not expected to change significantly with PP after adequate secretion suctioning.</p><p id="par0070" class="elsevierStylePara elsevierViewall">When resistive loads were excluded from MP calculation, PP significantly reduced Dynamic-Power and Driving-Power. Both calculations integrate Ers, RR and DP, all variables that were significantly reduced at PP2. On another side, we observed that the lower Crs in supine, the higher Driving-Power reduction with prone. Although baseline oxygenation did not predict prone response, these findings support the PROSEVA trial results and suggest that PP may have larger impact on VILI risk in patients with sicker lungs.</p><p id="par0075" class="elsevierStylePara elsevierViewall">This study presents important limitations: we did not measure transpulmonary MP, which might show more accurate effects of PP regarding the risk of VILI. The changes in ventilator settings in PP2 were not protocolized and constitutes a bias which could have influenced the results.</p><p id="par0080" class="elsevierStylePara elsevierViewall">In summary, our study suggests that PP is not associated with a reduction in MP<span class="elsevierStyleInf">global</span> in the short term in C-ARDS, but may reduce the elastic energy after a 2−4 h of prone. Future research should explore whether a more prolonged follow-up during a prone session could reveal greater improvement in gas exchange and/or mechanics, which may allow for more profound modifications of ventilator settings conditioning greater MP reductions.</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Contributions</span><p id="par0085" class="elsevierStylePara elsevierViewall">MA leaded the project and performed the literature search; MA, JHD, JP, GPC and DIG carried out the data collection process and planned the study design; JP performed the analysis of data; MA, JHD, JP, GPC, MNB and DIG actively participated in the manuscript preparation; all the authors reviewed and approved the final manuscript.</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Sources of financial support</span><p id="par0090" class="elsevierStylePara elsevierViewall">This study did not receive any grant or external financial support.</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflict of interest</span><p id="par0095" class="elsevierStylePara elsevierViewall">The authors declare no conflict of interest.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:4 [ 0 => array:2 [ "identificador" => "sec0005" "titulo" => "Contributions" ] 1 => array:2 [ "identificador" => "sec0010" "titulo" => "Sources of financial support" ] 2 => array:2 [ "identificador" => "sec0015" "titulo" => "Conflict of interest" ] 3 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "apendice" => array:1 [ 0 => array:1 [ "seccion" => array:1 [ 0 => array:4 [ "apendice" => "<p id="par0105" class="elsevierStylePara elsevierViewall">The following is Supplementary data to this article:<elsevierMultimedia ident="upi0005"></elsevierMultimedia></p>" "etiqueta" => "Appendix A" "titulo" => "Supplementary data" "identificador" => "sec0025" ] ] ] ] "multimedia" => array:7 [ 0 => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 2550 "Ancho" => 3341 "Tamanyo" => 457046 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Response of MP and its partitioned components during the evaluation times A) Dynamic Power B) Elastic Power C) Driving Power D) Mechanical power (MP), during supine (SUP), immediate (PP_1) and late prone position (PP_2). Data are expressed as median (Q1-Q3). # and *: <span class="elsevierStyleItalic">p</span> < 0.005.</p>" ] ] 1 => array:8 [ "identificador" => "tbl0005" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0010" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:2 [ "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"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Variables (n=70) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Baseline \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">PP1 \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">PP2 \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">p</span> Value \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Primary outcome \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Mechanical power (J/min) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">21.6 [17.1−25.7] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">21.8 [17.5−26.3] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">21.1 [17.7−25.2] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.5704 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Elastic power (J/min) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">15.28 [3.7] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">15.06 [3.8] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">14.79 [3.8] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.0838 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Dynamic power (J/min) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5.26 [1.2] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5.06 [1.34] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4.81 [1.1] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.0006<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Driving power (cmH<span class="elsevierStyleInf">2</span>O<span class="elsevierStyleSup">2</span>/min) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">290 [210−410] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">270 [180−390] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">260 [180−360] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.001<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Setting and monitoring variables \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Tidal volume (L) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.39 [0.07] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.39 [0.07] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.38 [0.07] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.097 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">PEEP (cmH<span class="elsevierStyleInf">2</span>O) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 [8−14] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 [8−14] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 [8−14] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.3247 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">PEEP Total (cmH<span class="elsevierStyleInf">2</span>O) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 [8−14] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10.9 [8−14] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10.63 [8.1−14] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold"><</span>0.0001<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Respiratory rate (breaths/min) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">25 [22−27] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">25 [22−27] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">24 [22−27] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.0381<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Driving pressure (cmH<span class="elsevierStyleInf">2</span>O) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">11 [10−12.2] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10.57 [9−11.8] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 [9−11.8] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.0008<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Respiratory system Compliance (mL/cmH<span class="elsevierStyleInf">2</span>O) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">36.9 [11.28] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">38.9 [12.45] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">39.5 [12.37] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.0011<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Inspiratory Resistance (cmH<span class="elsevierStyleInf">2</span>O/L/s) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">11.8 [10.1−13.6] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12.5 [11.2−15.3] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12.1 [10.5−14.7] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.0731 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Gas exchange \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">PaO<span class="elsevierStyleInf">2</span>/FiO<span class="elsevierStyleInf">2</span> ratio \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">134 [27.3] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">177 [44.3] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold"><</span>0.0001<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">ⱡ</span></a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Ventilatory ratio \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2.06 [1.7−2.3] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.94 [1.7−2.3] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.4218 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">PaCO<span class="elsevierStyleInf">2</span> (mmHg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">51.4 [45.3−56.9] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">51.0 [43.7−57.0] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.7159 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3316504.png" ] ] ] "notaPie" => array:1 [ 0 => array:3 [ "identificador" => "tblfn0005" "etiqueta" => "ⱡ" "nota" => "<p class="elsevierStyleNotepara" id="npar0005"><span class="elsevierStyleItalic">p</span> ≤ 0.05 Baseline vs PP2.</p>" ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Parameters collected during the evaluation time-points</p>" ] ] 2 => array:5 [ "identificador" => "upi0005" "tipo" => "MULTIMEDIAECOMPONENTE" "mostrarFloat" => false "mostrarDisplay" => true "Ecomponente" => array:2 [ "fichero" => "mmc1.doc" "ficheroTamanyo" => 59707 ] ] 3 => array:5 [ "identificador" => "eq0005" "tipo" => "MULTIMEDIAFORMULA" "mostrarFloat" => false "mostrarDisplay" => true "Formula" => array:1 [ "Quimica" => "MP<span class="elsevierStyleInf">global</span> = 0.098 × RR × {VT<span class="elsevierStyleSup">2</span> [1/2.Ers + RR×(1 + I:E)/(60 × I:E) × R<span class="elsevierStyleInf">aw</span>] + VT × PEEP}" ] ] 4 => array:5 [ "identificador" => "eq0010" "tipo" => "MULTIMEDIAFORMULA" "mostrarFloat" => false "mostrarDisplay" => true "Formula" => array:1 [ "Quimica" => "Elastic-Power = 0.098 × RR [VT<span class="elsevierStyleSup">2</span> ×  (0.5×Ers) + VT × PEEP]" ] ] 5 => array:5 [ "identificador" => "eq0015" "tipo" => "MULTIMEDIAFORMULA" "mostrarFloat" => false "mostrarDisplay" => true "Formula" => array:1 [ "Quimica" => "Dynamic-Power = 0.098 × RR (VT<span class="elsevierStyleSup">2</span>×[0.5 × Ers])" ] ] 6 => array:5 [ "identificador" => "eq0020" "tipo" => "MULTIMEDIAFORMULA" "mostrarFloat" => false "mostrarDisplay" => true "Formula" => array:1 [ "Quimica" => "Driving-Power<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a> = (DP × RR × VT)/(10 × Crs)." ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:10 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Prone position in COVID-19 and -COVID-19 acute respiratory distress syndrome: an international multicenter observational comparative study" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "L. 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año/Mes | Html | Total | |
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