Intermittent claudication: effective medical management of a common circulatory problem.
Intermittent claudication (IC), most often characterized by a reproducible, painful aching or cramping in muscle groups of the leg caused by walking and relieved by rest, is a common, lifestyle-limiting symptom of lower-extremity peripheral arterial occlusive disease. Because IC is usually indicative of systemic atherosclerosis, active investigation and treatment are recommended. Positive outcomes have been shown with a treatment regimen including risk-factor modification, particularly smoking cessation and control of diabetes, exercise, and pharmacotherapy. Pentoxifylline has been used since 1984 for the treatment of IC with indifferent results. Recently, clinical trials with cilostazol, a drug approved for use in the United States, have shown significant effectiveness in IC patients, generally doubling their maximal walking distance at 24 weeks of treatment. Cilostazol has also been shown to be significantly more effective than pentoxifylline in improving pain-free and maximal walking distance. Other classes of drugs, such as platelet antiaggregants, are being studied for the treatment of IC, but little efficacy has been shown. Arterial revascularization by endovascular or surgical methods is an additional option but must be considered on an individual basis depending on severity of symptoms and disability in each patient.[1]References
- Intermittent claudication: effective medical management of a common circulatory problem. Beebe, H.G. Am. J. Cardiol. (2001) [Pubmed]
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