Prognostic importance of weight loss in patients with coronary heart disease regardless of initial body mass index
- 1 June 2008
- journal article
- research article
- Published by Oxford University Press (OUP) in European Journal of Preventive Cardiology
- Vol. 15 (3), 336-340
- https://doi.org/10.1097/hjr.0b013e3282f48348
Abstract
Recently, mild elevations in body mass index (BMI) have been related to better outcomes in patients with coronary heart disease. Our aim was to determine whether patients with coronary heart disease who are participating in cardiac rehabilitation would have improved outcomes if they lost weight and whether this would depend on initial BMI. This is a prospective cohort study of 377 consecutive patients enrolled at a cardiac rehabilitation program, aged 30-85 years with a mean follow-up of 6.4+/-1.8 years. We measured total mortality, acute cardiovascular events (fatal and nonfatal myocardial infarction, fatal and nonfatal stroke, emergent revascularization in the setting of unstable angina, and hospitalization for congestive heart failure) and a composite outcome (mortality+acute cardiovascular events). Statistical testing used Cox Proportional Hazards Regression. On average, the weight loss group (n=220) lost 3.6+/-4.1 kg, and the nonweight loss group (n=157) gained 1.5+/-1.4 kg (Por=25 kg/m (HR=0.64; P=0.032). Weight loss in cardiac rehabilitation is a marker for favorable long-term outcomes, regardless of initial BMI.Keywords
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