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Body Mass Index and Prognosis in Ischemic Stroke Patients With Type 2 Diabetes Mellitus

 Hyungjong Park  ;  Hyung Woo Lee  ;  Joonsang Yoo  ;  Hye Sun Lee  ;  Hyo Suk Nam  ;  Young Dae Kim  ;  Ji Hoe Heo 
 Frontiers in Neurology, Vol.10 : 563, 2019 
Journal Title
 Frontiers in Neurology 
Issue Date
body mass index ; diabetes mellitus ; ischemic stroke ; major adverse cardiac event ; mortality ; obesity
Background: Overweight contributes to type 2 diabetes mellitus (T2DM) development. Although the obesity paradox has been suggested in many vascular diseases, little information is available about stroke patients with T2DM. We investigated whether body mass index (BMI) has a differential impact on the incidence of major adverse cardiovascular events (MACE) in patients with ischemic stroke and T2DM. Methods: This retrospective study used a prospective cohort of patients with acute ischemic stroke and included consecutive patients with T2DM after excluding those with active cancer or who died within 1 month of an index stroke. We investigated the long-term risk of MACE (stroke, myocardial infarction, unstable angina, coronary revascularization procedure, and death) according to BMI. Results: Among the 1,338 patients, MACE occurred in 415 patients (31.1%) during a median follow-up of 3.6 years. Compared to the normal weight group, MACE occurred more frequently in the underweight group [adjusted hazard ratio (HR) 1.55, 95% confidence interval (CI): 1.01-2.38], but less frequently in the overweight group (adjusted HR: 0.87, 95% CI: 0.70-1.08) and obese group (adjusted HR: 0.58, 95% CI: 0.41-0.86) group. In analyses of association between BMI and each component of MACE, stroke and cardiovascular mortality indicated an L- and a U-shaped pattern, respectively. However, fatal or non-fatal stroke showed an inverse pattern, and fatal or non-fatal cardiovascular events showed a reversed J-shaped pattern. Discussions: This study showed the overall presence of the obesity paradox in stroke patients with T2DM. However, obese patients had different risks of cardiovascular events and stroke.
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1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Kim, Young Dae(김영대) ORCID logo https://orcid.org/0000-0001-5750-2616
Nam, Hyo Suk(남효석) ORCID logo https://orcid.org/0000-0002-4415-3995
Park, Hyungjong(박형종)
Lee, Hyung Woo(이형우)
Lee, Hye Sun(이혜선) ORCID logo https://orcid.org/0000-0001-6328-6948
Heo, Ji Hoe(허지회) ORCID logo https://orcid.org/0000-0001-9898-3321
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