4.4 Article

A Low Ankle Brachial Index is Associated with an Increased Risk of Cardiovascular Disease: The Hisayama Study

期刊

JOURNAL OF ATHEROSCLEROSIS AND THROMBOSIS
卷 21, 期 9, 页码 966-973

出版社

JAPAN ATHEROSCLEROSIS SOC
DOI: 10.5551/jat.22608

关键词

Peripheral artery disease; Ankle brachial index; Cardiovascular disease; Prospective study; Epidemiology

资金

  1. Ministry of Education, Culture, Sports, Science and Technology of Japan [22116010, 25253048]
  2. Ministry of Health, Labour and Welfare of Japan
  3. Grants-in-Aid for Scientific Research [25253048] Funding Source: KAKEN

向作者/读者索取更多资源

Aim: Peripheral artery disease (PAD), defined as a decreased ankle brachial index (ABI), is a risk factor for cardiovascular disease; however, few studies have assessed the relationship between a low ABI and cardiovascular risks in Asian populations. We herein examined the relationship between the ABI and the development of cardiovascular disease in a Japanese community. Methods: A total of 2,954 community-dwelling Japanese individuals without prior cardiovascular disease >= 40 years of age were followed up for an average of 7.1 years. The subjects' ABIs were categorized into the three groups: low (<= 0.90), borderline (0.91-0.99) and normal (1.00-1.40). We estimated the relationship between the ABI and cardiovascular risk using a Cox proportional hazards model. Results: During the follow-up period, 134 subjects experienced cardiovascular events. The incidence of cardiovascular disease across the ABI values was significantly different (p<0.001). After adjusting for confounding factors, namely age, sex, systolic blood pressure, use of anti-hypertensive drugs, diabetes, total cholesterol, high-density lipoprotein cholesterol, obesity, smoking, alcohol intake and regular exercise, individuals with a low ABI were at 2.40-fold (95% confidence interval [CI] 1.14-5.06) greater risk of cardiovascular disease and 4.13-fold (95% CI 1.62-10.55) greater risk of coronary heart disease. Conclusions: Our findings suggest that individuals with an ABI of <= 0.90 have an increased risk of cardiovascular events, independent from traditional risk factors, in the general Japanese population.

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