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KMID : 0368120210510080696
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Korean Circulation Journal
2021 Volume.51 No. 8 p.696 ~ p.707
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Association between Body Mass Index and Clinical Outcomes of Peripheral Artery Disease after Endovascular Therapy: Data from K-VIS ELLA Registry
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Lim Che-Wan
Won Ho-Youn
Ko Young-Guk
Lee Seung-Jun
Ahn Chul-Min
Min Pil-Ki
Lee Jae-Hwan
Yoon Chang-Hwan
Yu Cheol-Woong
Lee Seung-Whan
Lee Sang-Rok
Choi Seung-Hyuk
Chae In-Ho
Choi Dong-Hoon
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Abstract
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Background and Objectives: Few studies have investigated the obesity paradox in clinical outcomes of peripheral artery disease (PAD). We investigated the association between body mass index (BMI) and clinical outcomes in PAD patients undergoing endovascular therapy (EVT).
Methods: Patients (n=2,914) from the retrospective Korean Vascular Intervention Society Endovascular Therapy in Lower Limb Artery Disease registry were categorized according to BMI: underweight (<18.5 kg/m2, n=204), normal weight (18.5?25 kg/m2, n=1,818), overweight (25?30 kg/m2, n=766), or obese (≥30 kg/m2, n=126). Groups were compared for major adverse cardiovascular events (MACE) and major adverse limb events (MALE).
Results: The underweight and obese groups were older and had more frequent critical limb ischemia and infrapopliteal artery disease than the normal or overweight groups (all p<0.001). Hypertension and diabetes were more frequent and current smoking was less frequent in the overweight and obese groups than the underweight or normal weight groups (all p <0.001). The underweight group showed the higher rates of MACE and MALE at 3 years (17.2%, 15.7%) compared with the normal weight (10.8%, 11.7%), overweight (8.4%, 10.7%), or obese groups (8.7%, 14.3%) (log-rank p<0.001, p=0.015). In contrast, the risk of MACE was lower in the overweight than the normal weight group (adjusted hazard ratio, 0.706; 95% CI, 0.537?0.928).
Conclusions: In PAD patients undergoing EVT, underweight was an independent predictor for MACE and MALE, whereas MACE risk was lower for overweight than normal weight patients.
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KEYWORD
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Peripheral artery disease, Body mass index, Endovascular procedure, Prognosis
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