• Te-Yu Lin, Yu-Guang Chen, Cheng-Li Lin, Wen-Sheng Huang, and Chia-Hung Kao.
• From the Division of Infectious Diseases and Tropical Medicine (T-YL); Division of Hematology and Oncology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei (Y-GC); Management Office for Health Data (C-LL); College of Medicine China Medical University, Taichung (C-LL); Department of Nuclear Medicine, Changhua Christian Hospital, Changhua (W-SH); Graduate Institute of Clinical Medical Science and School of Medicine, College of Medicine, China Medical University, Taichung (C-HK); and Department of Nuclear Medicine and PET Center, China Medical University Hospital, Taichung, Taiwan (C-HK).
• Medicine (Baltimore). 2015 Dec 1; 94 (52): e2381e2381.

AbstractStudies on the association between inflammatory bowel disease (IBD) and peripheral arterial disease (PAD) are scant. This nationwide population-based cohort study assessed the relationship between IBD and further risk of PAD.This nationwide population-based cohort study was based on data obtained from the Taiwan National Health Insurance Database from 2000 to 2010, with a follow-up period extending to the end of 2011. We identified inpatients with newly diagnosed IBD by using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes. In addition, we selected a comparison cohort from the inpatient claims that was randomly frequency-matched according to age, sex, and index year. We analyzed the risks of PAD by using Cox proportional hazards regression models, including sex, age, and comorbidities.A total of 11,067 IBD patients and 43,765 controls were enrolled in this study. The risk of developing PAD was 1.29-fold in the patients with IBD compared with the comparison cohort, after age, sex, and comorbidities were adjusted. The patients with IBD who required 2 or more hospitalizations per year were nearly 27.5-fold more likely to have PAD compared with the comparison cohort.This nationwide population-based cohort study demonstrated that PAD risks are higher in patients with IBD compared with those inpatients without IBD. Careful follow-up observation and aggressive effective treatment should be sought for patients with IBD to reduce the risk of PAD.

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