ArticleJournal of anaesthesiology, clinical pharmacology2022
Analysis of trimodal pattern of mortality among hospitalized COVID-19 patients- Lessons from tertiary care hospital.
Article in Journal of anaesthesiology, clinical pharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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9 authors.
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Abstract
Background and Aims: Many patients with COVID-19 become critically ill and requireICU admission. Risk factors associated with mortality have been studied, but this study provides insight regarding disease progression and hence help to plan rescue strategies to improve patient outcome. Material and Methods: This retrospective, observational study included all patients with diagnosis of COVID-19 from March1 to June30,2021 who died in hospital. Results: During the study period, 1600 patients were admitted, with 1138 (71%) needing ICU care. There were 346 (21.6%) deaths, distributed as 15.8%(n = 55) within 48h of admission, 46.2%(n = 160) in next 10 days, and 37.8%(n = 131) thereafter. This trimodal mortality pattern of distribution was similar to polytrauma patients. Patients were divided into categories according to time duration from admission to death. In our cohort, 235 (14.7%) patients required mechanical ventilation, with a mortality of 85.4%(n = 201). Tachypnea was significantly (P < 0.001) associated with death at all times; however, hypotension was associated with early death and low oxygen saturation with poor outcome upto 10 days (P < 0.001). Refractory hypoxia was cause of death in all three groups, while other causes in group II were AKI (28%), sepsis (18%), and MODS (10%). Group III patients had different causes of mortality, including barotrauma (9%), pulmonary thromboembolism (8%), refractory hypercarbia (12%), MODS (13%), AKI (10%), sepsis (7%), and cardiac events (6%). Conclusion: While physiological dearrangements are associated with rapid progression and early death, complications related to hyper-coagulable state, lung injury, and organ failure lead to death later. Providing quality care to a high volume of patients is a challenge for all, but posthoc analysis such as air crash investigation can help find out potential areas of improvement and contribute to better outcomes and mortality reduction.
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