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1-Year Survival Rate of Sars-Cov-2 Infected Patients With Acute Respiratory Distress Syndrome Based on Ventilator Types: A Multi-Center Study Publisher Pubmed



Mahmoodpor A1 ; Goharimoghadam K2 ; Rahimibashar F3 ; Khoshfetrat M4 ; Vahedianazimi A5
Authors

Source: Scientific Reports Published:2023


Abstract

The aim of this study was to evaluate the association between types of ventilator and the one-year survival rate of patients with acute respiratory distress syndrome (ARDS) due to SARS‑CoV-2 infection. This multi-center, retrospective observational study was conducted on 1078 adult patients admitted to five university-affiliated hospitals in Iran who underwent mechanical ventilator (MV) due to ARDS. Of the 1078 patients, 781 (72.4%) were managed with ICU ventilators and 297 (27.6%) with transport ventilators. Overall mortality was significantly higher in patients supported with transport ventilator compared to patients supported with ICU ventilator (16.5% vs. 9.3% P = 0.001). Regression analysis revealed that the expected hazard overall increased with age (HR: 1.525, 95% CI 1.112–1.938, P = 0.001), opacity score (HR: 1.448, 95% CI 1.122–2.074, P = 0.001) and transport ventilator versus ICU ventilator (HR: 1.511, 95% CI 1.143–2.187, P = 0.029). The Kaplan–Meier curves of survival analysis showed that patients supported with ICU ventilator had a significantly higher 1-year survival rate (P = 0.001). In MV patients with ARDS due to COVID-19, management with non-ICU sophisticated ventilators was associated with a higher mortality rate compared to standard ICU ventilators. However, more studies are needed to determine the exact effect of ventilator types on the outcome of critically ill patients. © 2023, Springer Nature Limited.
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