Author: Dana, Richard; Bannay, Aurélie; Bourst, Pauline; Ziegler, Caroline; Losser, Marie-Reine; Gibot, Sébastien; Levy, Bruno; Audibert, Gérard; Ziegler, Olivier
Title: Obesity and mortality in critically ill COVID-19 patients with respiratory failure Cord-id: 0cybfr2n Document date: 2021_6_10
ID: 0cybfr2n
Snippet: BACKGROUND: Patients with obesity are at increased risk of severe COVID-19, requiring mechanical ventilation due to acute respiratory failure. However, conflicting data are obtained for intensive care unit (ICU) mortality. OBJECTIVE: To analyze the relationship between obesity and in-hospital mortality of ICU patients with COVID-19. SUBJECTS/METHODS: Patients admitted to the ICU for COVID-19 acute respiratory distress syndrome (ARDS) were included retrospectively. The following data were collect
Document: BACKGROUND: Patients with obesity are at increased risk of severe COVID-19, requiring mechanical ventilation due to acute respiratory failure. However, conflicting data are obtained for intensive care unit (ICU) mortality. OBJECTIVE: To analyze the relationship between obesity and in-hospital mortality of ICU patients with COVID-19. SUBJECTS/METHODS: Patients admitted to the ICU for COVID-19 acute respiratory distress syndrome (ARDS) were included retrospectively. The following data were collected: comorbidities, body mass index (BMI), the severity of ARDS assessed with PaO(2)/FiO(2) (P/F) ratios, disease severity measured by the Simplified Acute Physiology Score II (SAPS II), management and outcomes. RESULTS: For a total of 222 patients, there were 34 patients (15.3%) with normal BMI, 92 patients (41.4%) who were overweight, 80 patients (36%) with moderate obesity (BMI:30–39.9 kg/m(2)), and 16 patients (7.2%) with severe obesity (BMI ≥ 40 kg/m(2)). Overall in-hospital mortality was 20.3%. Patients with moderate obesity had a lower mortality rate (13.8%) than patients with normal weight, overweight or severe obesity (17.6%, 21.7%, and 50%, respectively; P = 0.011. Logistic regression showed that patients with a BMI ≤ 29 kg/m(2) (odds ratio [OR] 3.64, 95% CI 1.38–9.60) and those with a BMI > 39 kg/m(2) (OR 10.04, 95% CI 2.45–41.09) had a higher risk of mortality than those with a BMI from 29 to 39 kg/m(2). The number of comorbidities (≥2), SAPS II score, and P/F < 100 mmHg were also independent predictors for in-hospital mortality. CONCLUSIONS: COVID-19 patients admitted to the ICU with moderate obesity had a lower risk of death than the other patients, suggesting a possible obesity paradox.
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