Relationship between body mass index, antidiabetic agents, and midterm mortality in patients with both type 2 diabetes mellitus and acute coronary syndrome

Chien Boon Jong, Hung Yuan Li, Shin Liang Pan, Mu Yang Hsieh, Fang Ying Su, Kuan Chun Chen, Wei Hsian Yin, Shih Hung Chan, Yen Wen Wu, Kuo Yung Wang, Kuan Cheng Chang, Juey Jen Hwang, Chih Cheng Wu

研究成果: Article

2 引文 斯高帕斯(Scopus)

摘要

Background-The aim of this study was to determine the influence of various antidiabetic therapies on the relationship between body mass index and all-cause mortality in patients with diabetes mellitus and acute coronary syndrome. Methods and Results-This was a prospective, observational study comprising 1193 patients diagnosed with type 2 diabetes mellitus and acute coronary syndrome. The patients were stratified into 4 body mass index categories, and their mortality rates were compared using time-dependent Cox regression analysis using normal weight (body mass index, 18.5-23.9) as the reference. Subsequently, the influence of antidiabetic therapies on the association between BMI and mortality were analyzed. Seventy-four patients (6.2%) died over 2 years of follow-up. The mortality rate was lowest in the class I obese group (3.35%) and highest in the normal-weight group (9.67%). After adjusting for covariates, class I obesity paradoxically remained significantly protective against mortality compared with normal weight (hazard ratio, 0.141; P=0.049); interaction term analysis showed that insulin therapy influenced this “obesity paradox” (P=0.045). When the patients were stratified by insulin use, the protective effect of obesity disappeared in the insulin-treated patients but persisted in the non-insulin-treated patients. Conclusions-In patients with type 2 diabetes mellitus and acute coronary syndrome, the relationship between body mass index and mortality rate is U-shaped, with class I obesity representing the nadir and normal weight the peak. The protective effect of obesity disappeared in patients treated with insulin.

原文English
文章編號e011215
期刊Journal of the American Heart Association
8
發行號7
DOIs
出版狀態Published - 2019 一月 1

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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    Jong, C. B., Li, H. Y., Pan, S. L., Hsieh, M. Y., Su, F. Y., Chen, K. C., Yin, W. H., Chan, S. H., Wu, Y. W., Wang, K. Y., Chang, K. C., Hwang, J. J., & Wu, C. C. (2019). Relationship between body mass index, antidiabetic agents, and midterm mortality in patients with both type 2 diabetes mellitus and acute coronary syndrome. Journal of the American Heart Association, 8(7), [e011215]. https://doi.org/10.1161/JAHA.118.011215