Prevalence of peripheral artery disease and risk factors in the elderly: A community based cross-sectional study from northern Kerala, India
Indian Heart Journal(2018)
摘要
Background and objective
There are no data on the prevalence of peripheral artery disease (PAD) and risk factors in Indians. This study was aimed at studying the prevalence of PAD and risk factors in elderly population of northern parts of Kerala, South India.
Methods
In a prospective observational survey we evaluated men and women of age between 60 and 79 years from Kerala. Anthropometric measurements, biochemical investigations and electrocardiogram were done. The diagnosis of PAD was made by ABI<0.9. Assessment of coronary artery disease CAD was performed using historical, angina questionnaire and electrocardiographic criteria.
Results
Of the total sample of 1330, we could evaluate 1148 respondents (86.3%). Overall mean (SD) ABI was 0.97 (0.19). Age-adjusted prevalence of PAD was 26.7% (95% CI (24.3, 29.4)) with no difference between urban and rural population. Prevalence of symptomatic PAD was low. Diabetes, hypertension, high cholesterol, low high-density lipoprotein cholesterol, sedentary life style and smoking was observed in 25.5%, 62.9%, 61.6%, 35.9% 38.1% and 30.7%, respectively. On multivariate analysis age, smoking and physical inactivity were strong predictors of PAD. There was independent association of PAD with definite CAD.
Conclusions
There was high prevalence of PAD in Kerala, driven by high prevalence of risk factors. The prevalence was equal in rural and urban population. Intermittent claudication was uncommon. Age, female gender, smoking, physical inactivity, diabetes were independent predictors for presence of PAD.
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关键词
PAD,CAD,ABI
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