The demographics of claudication and the aging of the American population
Abstract
Most peripheral artery disease is of ischemic atherosclerotic etiology and manifested as intermittent claudication (IC). Death and disability from atherosclerotic cardiovascular disease (CVD) is a growing problem because of the rapidly increasing elderly segment of the population. By the year 2015 the elderly will constitute 14.8% of Americans. Of the total 255 million, 13.8 million are over age 75 years and 9 million are women. On reaching age 65 years, the average remaining lifetime is 17.4 years. In the USA this 11% of the population accounts for 29% of the health costs and 70% of all deaths are attributable to cardiovascular disease. About 9.6% of cardiovascular events are due to peripheral artery disease manifested as IC requiring 777,000 office visits and 63,000 hospitalizations. Also, 17,400 deaths each year are attributed directly to this cause. The biennial incidence of IC in the Framingham Study was 7.1 per 1000 for men and 3.6% for women, increasing with age in both sexes up to age 75 years. At all ages there is a distinct male predominance. In the 35-64-year age range IC incidence is virtually identical to that of cardiac failure and stroke, but only one-third of CHD incidence. Beyond age 65 years IC incidence is on...Continue Reading
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