Resumo (PT):
Abstract (EN):
<jats:title>Abstract</jats:title><jats:sec>
<jats:title>Background</jats:title>
<jats:p>Heterogeneous respiratory system static compliance (<jats:italic>C</jats:italic><jats:sub>RS</jats:sub>) values and levels of hypoxemia in patients with novel coronavirus disease (COVID-19) requiring mechanical ventilation have been reported in previous small-case series or studies conducted at a national level.</jats:p>
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<jats:title>Methods</jats:title>
<jats:p>We designed a retrospective observational cohort study with rapid data gathering from the international COVID-19 Critical Care Consortium study to comprehensively describe <jats:italic>C</jats:italic><jats:sub>RS</jats:sub>¿calculated as: tidal volume/[airway plateau pressure-positive end-expiratory pressure (PEEP)]¿and its association with ventilatory management and outcomes of COVID-19 patients on mechanical ventilation (MV), admitted to intensive care units (ICU) worldwide.</jats:p>
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<jats:title>Results</jats:title>
<jats:p>We studied 745 patients from 22 countries, who required admission to the ICU and MV from January 14 to December 31, 2020, and presented at least one value of <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> within the first seven days of MV. Median (IQR) age was 62 (52¿71), patients were predominantly males (68%) and from Europe/North and South America (88%). <jats:italic>C</jats:italic><jats:sub>RS</jats:sub>, within 48 h from endotracheal intubation, was available in 649 patients and was neither associated with the duration from onset of symptoms to commencement of MV (<jats:italic>p</jats:italic>¿=¿0.417) nor with PaO<jats:sub>2</jats:sub>/FiO<jats:sub>2</jats:sub> (<jats:italic>p</jats:italic>¿=¿0.100). Females presented lower <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> than males (95% CI of <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> difference between females-males: ¿¿11.8 to ¿¿7.4 mL/cmH<jats:sub>2</jats:sub>O <jats:italic>p</jats:italic>¿<¿0.001), and although females presented higher body mass index (BMI), association of BMI with <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> was marginal (<jats:italic>p</jats:italic>¿=¿0.139). Ventilatory management varied across <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> range, resulting in a significant association between <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> and driving pressure (estimated decrease ¿¿0.31 cmH<jats:sub>2</jats:sub>O/L per mL/cmH<jats:sub>2</jats:sub>0 of <jats:italic>C</jats:italic><jats:sub>RS</jats:sub>, 95% CI ¿¿0.48 to ¿¿0.14, <jats:italic>p</jats:italic>¿<¿0.001). Overall, 28-day ICU mortality, accounting for the competing risk of being discharged within the period, was 35.6% (SE 1.7). Cox proportional hazard analysis demonstrated that <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> (+¿10 mL/cm H<jats:sub>2</jats:sub>O) was only associated with being discharge from the ICU within 28 days (HR 1.14, 95% CI 1.02¿1.28, <jats:italic>p</jats:italic>¿=¿0.018).</jats:p>
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<jats:title>Conclusions</jats:title>
<jats:p>This multicentre report provides a comprehensive account of <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> in COVID-19 patients on MV. <jats:italic>C</jats:italic><jats:sub>RS</jats:sub> measured within 48 h from commencement of MV has marginal predictive value for 28-day mortality, but was associated with being d
Language:
English
Type (Professor's evaluation):
Dissemination