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Review
. 2012 Oct-Dec;8(4):10-4.
doi: 10.14797/mdcj-8-4-10.

Criticial limb ischemia: epidemiology

Mark G Davies  1
Affiliations
Review

Criticial limb ischemia: epidemiology

Mark G Davies. Methodist Debakey Cardiovasc J. 2012 Oct-Dec.

Abstract

Critical limb ischemia is found in 12% of the U.S. adult population. Its clinical presentation varies from no symptoms to intermittent claudication, atypical leg pain, rest pain, ischemic ulcers, or gangrene. Those with critical limb ischemia have a high incidence of cardiovascular comorbidities that reflect a significant systemic atherosclerotic burden; they have increased functional impairment and increased rates of functional decline compared with persons without critical limb ischemia. Interventions for critical limb ischemia and the impact of major amputation have a significant social and economic impact. At 1 year, 25% of patients will be dead, 30% will have undergone amputation, and only 45% will remain alive with both limbs. At 5 years, more than 60% of patients with critical limb ischemia will be dead.

Keywords: amputation; cardiovascular disease; cardiovascular risk factors; claudication; critical limb ischemia; peripheral arterial disease.

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