Clinical Course and Risk Factors for severe Disease and Death of Adult Critically Ill Inpatients with COVID-19 in Toulouse, France: A Retrospective Cohort Study
Research Square(2020)
Abstract
Abstract BackgroundTo explore risk factors for unfavorable outcome (death or requiring invasive mechanical ventilation at 28 days from ICU admission) of critically ill COVID-19 patients hospitalized in the Toulouse regionMethodsRetrospective cohort of critically ill COVID-19 patients sequentially admitted to 12 ICUs in Toulouse region (March 9, 2020, to April 8, 2020). All patients had laboratory confirmed SARS-CoV-2 infection and required invasive mechanical ventilation. Baseline characteristics, pathophysiological respiratory data, clinical outcomes, viral shredding, and chest CT scan were collected.ResultsA total of 150 patients were included (median age, 68 years (interquartile range, (IQR), 58-72; 81% male). The most common comorbidities were hypertension (77, 51%) and obesity (42, 28%). At ICU admission, the median PaO2/FiO2 ratio was 138 (IQR,112-178). During hospitalization, the rate of ventilator-acquired pneumonia (VAP) was 61% and 51 (34%) patients had acute kidney injury (AKI) with a Kidney Disease Improving Global Outcomes (KDIGO) score > 1. The 28-day mortality was 15.3%, and 50 (33%) patients had unfavorable outcome. We found that VAP (5.91; 2.10-10.03; p value = 0.002) and AKI with a KDIGO score > 1 (4.71; 1.69-14.41; p value = 0.004) were associated with increased odds of unfavorable outcome. Neither, chest CT scan data on admission, nor pathophysiological respiratory data during ICU stay were associated to patient’s outcome.ConclusionThe potential risk factors of AKI and VAP could help clinicians to identify patients with poor prognosis at an early stage. Targeted care of these factors might have a significant impact on COVID-19 patient’s outcome.
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