Key result
Obesity is not associated with improved survival to discharge after ICU admission for cardiac arrest.
Why the study?
Studies examining the outcomes of obese patients following cardiac arrest have provided conflicting results regarding whether the obesity paradox confers survival benefits.
Does obesity improve survival to hospital discharge in adult ICU patients following a cardiac arrest?
Cohort (n=112)
No
Does obesity improve survival to hospital discharge in adult ICU patients following a cardiac arrest?
Odds Ratio: 0.77 (95% CI 0.35–1.71)
Absolute Event Rate: 52.8% vs 59.2%
p-value: p=0.52
Obesity does not appear to confer a survival benefit or reduce length of stay in patients admitted to the ICU following cardiac arrest.
Obesity should not inform post-arrest prognostication in ICU; leaves open BMI effects for larger prospective studies.
BACKGROUND: Obesity is one of the major risk factors for cardiovascular and peripheral vascular diseases. However, the obesity paradox confers survival benefits in heart failure and cardiac surgery patients. Studies examining the outcomes of obese patients following cardiac arrest provided conflicting results. OBJECTIVE: To study the association between obesity and outcome in patients following cardiac arrest. MATERIALS AND METHODS: We conducted a retrospective cohort study at a tertiary intensive care unit (ICU). Data were collected from medical records between January 1, 2018 and December 31, 2018, for all adult ICU patients who were admitted to our ICU following a cardiac arrest. Data collected included demographics, anthropometrics, and details of the cardiac arrest. The primary outcome was survival to hospital discharge. Secondary outcomes were duration of mechanical ventilation, ICU, and hospital length of stay. RESULTS: = 0.23). CONCLUSION: For patients admitted to ICU following cardiac arrest, we could not show that obesity improves survival, length of stay, or duration of mechanical ventilation. HOW TO CITE THIS ARTICLE: Chavda MP, Pakavakis A, Ernest D. Does Obesity Influence the Outcome of the Patients Following a Cardiac Arrest? Indian J Crit Care Med 2020;24(11):1077-1080.
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Chavda et al. (2020) conducted a cohort in Cardiac arrest (n=112). Obesity (BMI ≥ 30) vs. Non-obese (BMI < 30) was evaluated on Survival to hospital discharge (OR 0.77, 95% CI 0.35-1.71, p=0.52). Obesity (BMI ≥ 30) did not significantly improve survival to hospital discharge compared to non-obese patients admitted to the ICU following cardiac arrest (52.8% vs 59.2%, OR 0.77).
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