Key result
Higher BMI (>31 kg/m2) was significantly associated with increased intra-hospital mortality (11.9% vs 8.3%) and higher rates of postoperative complications compared to normal BMI in patients undergoing OPCAB.
Why the study?
Although healthcare providers believe overweight and obese cardiac surgery patients face higher adverse postoperative outcomes, the effect of BMI on early outcomes after CABG needed evaluation.
Does BMI affect early outcomes and in-hospital mortality in patients undergoing CABG?
Cohort (n=543)
No
Does BMI affect early outcomes and in-hospital mortality in patients undergoing CABG?
Absolute Event Rate: 11.9% vs 8.3%
p-value: p=0.001
BMI may inadequately stratify cardiac surgery risk; leaves open whether fitness or muscle mass improves prediction.
Increasing levels of obesity worldwide have led to a rise in the prevalence of obesity-related complications including cardiovascular risk factors such as diabetes, hypertension and dyslipidaemia. Healthcare providers believe that overweight and obese cardiac surgery patients are more likely to experience adverse postoperative outcomes. The body mass index (BMI) is the primary measure of obesity in clinical practice, without accounting for a patient's level of cardiopulmonary fitness or muscle mass. The main objective of this study was to evaluate the effect of BMI on the early outcomes and in-hospital mortality of patients undergoing CABG.
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Guni et al. (2023) conducted a cohort in Coronary Artery Disease requiring CABG (n=543). High Body Mass Index (BMI > 31) vs. Normal BMI (BMI < 25) was evaluated on Intra-hospital mortality (p=0.001). Higher BMI (>31 kg/m2) was significantly associated with increased intra-hospital mortality (11.9% vs 8.3%) and higher rates of postoperative complications compared to normal BMI in patients undergoing OPCAB.
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