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Association between body mass index and clinical outcomes after new-generation drug-eluting stent implantation: Korean multi-center registry data

 Byung Gyu Kim  ;  Sung-Jin Hong  ;  Byeong-Keuk Kim  ;  Chul-Min Ahn  ;  Dong-Ho Shin  ;  Jung-Sun Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Myeong-Ki Hong  ;  Yangsoo Jang 
 ATHEROSCLEROSIS, Vol.277 : 155-162, 2018 
Journal Title
Issue Date
Body mass index ; Drug-eluting stent ; Obesity ; Percutaneous coronary intervention
BACKGROUND AND AIMS: It is unclear whether the obesity paradox is still apparent in the new-generation drug-eluting stent (DES) era. Therefore, we assessed the impact of body mass index (BMI) on clinical outcome after percutaneous coronary intervention (PCI) with new-generation DESs. METHODS: A total of 5264 consecutive patients from 4 new-generation DES registries were divided into 4 categories according to BMI: 1) underweight (BMI<18.5 kg/m2, n = 130), 2) normal weight (18.5 ≤ BMI <25 kg/m2, n = 2943), 3) overweight (25 ≤ BMI<30 kg/m2, n = 1932), and 4) obese (BMI≥30 kg/m2, n = 259). The primary endpoint was the occurrence of major adverse cardiac and cerebrovascular event (MACCE) at 12 months, including all-cause mortality, nonfatal myocardial infarction, stroke, and target-vessel revascularization. RESULTS: The 12-month MACCE rates decreased according to increasing BMI categories. (underweight, 13.1%; normal, 6.0%; overweight, 4.8%; obese, 4.2%; p < 0.001). After adjustment for other confounders, the underweight group had significantly higher MACCE rates than the normal-weight (hazard ratio [HR], 0.57; 95% confidence interval [CI], 0.33-0.99; p = 0.049), overweight (HR, 0.49; 95% CI, 0.27-0.88; p = 0.017), and obese (HR, 0.41; 95% CI, 0.18-0.98; p = 0.044) groups. These differences were mainly driven by all-cause mortality and target-vessel revascularization. When BMI was treated as a continuous variable, BMI per 1 kg/m2 was also an independent predictor for MACCE (HR, 0.95; 95% CI, 0.91-0.99; p = 0.008) and a MACE increase began below a BMI of 24 kg/m2. CONCLUSIONS: Lower BMI was significantly associated with higher rates of MACCE and all-cause mortality after PCI. The obesity paradox is manifested in Korean patients in the new-generation DES era.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ko, Young Guk(고영국) ORCID logo https://orcid.org/0000-0001-7748-5788
Kim, Byung Gyu(김병규)
Kim, Byeong Keuk(김병극) ORCID logo https://orcid.org/0000-0003-2493-066X
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Shin, Dong Ho(신동호) ORCID logo https://orcid.org/0000-0002-7874-5542
Ahn, Chul-Min(안철민) ORCID logo https://orcid.org/0000-0002-7071-4370
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
Hong, Sung Jin(홍성진) ORCID logo https://orcid.org/0000-0003-4893-039X
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