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Arch Intern Med. 1992 Jun;152(6):1220-4.

Medical care and cost outcomes after pentoxifylline treatment for peripheral arterial disease.

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Department of Pharmacy, University of Washington, Seattle 98195.


We assessed the medical outcomes and costs associated with the pharmacologic treatment of patients with peripheral arterial disease (PAD) in a population-based historical cohort study of patients enrolled in a health maintenance organization. For up to 2 years, we compared 58 patients who used therapeutic amounts of pentoxifylline with a comparison group of 112 patients who received a minimal subefficacious trial of pentoxifylline. Medical records data were used to assess and control for the severity of PAD and other potentially confounding factors. Continuous use of a therapeutic amount of pentoxifylline during an initial 120-day period significantly reduced the incidence of PAD-related invasive therapeutic and diagnostic procedures in the first year of follow-up (adjusted relative risk, 0.35; 95% confidence interval, 0.12 to 0.99). However, there were no significant differences in the risk of a PAD-related hospitalization or cost of PAD-related care between continuous pentoxifylline users and the comparison group. Pentoxifylline therapy may reduce the risk of vascular surgery while not increasing the total cost of PAD care.

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