Acta cardiologica
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Meta Analysis
Body mass index and mortality after acute coronary syndromes: a systematic review and meta-analysis.
The association between body mass index (BMI) and mortality after acute coronary syndromes (ACS) is controversial. The objective of this analysis is to summarize the available evidence of this association and perform meta-analysis using adjusted estimates. ⋯ Increased BMI was associated with increased adjusted survival after ACS when compared to normal BMI. Unexplained heterogeneity and suboptimal quality of studies limit the strength of the results. This seemingly paradoxical finding needs to be confirmed with further research.