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A Comparison Between Aspirin and Pentoxifylline in Relieving Claudication Due to Peripheral Vascular Disease in the Elderly

Daisy Galindo-Ciocon, PhD, RN

Diana J. Galindo, MD

Jerry O. Ciocon, MD, FACA, FACP

Internal Medicine/Geriatrics Cleveland Clinic Florida 2900 West Cypress Creek Road Fort Lauderdale, Florida

Peripheral vascular disease (PVD) commonly presents with leg claudication during walking and eventually limits the walking distance and daily activities. Aspirin or pentox ifylline are commonly prescribed to improve blood flow. Aspirin works through its antiplatelet aggregation mechanism, and pentoxifylline increases the red blood cell flex ibility, which leads to increased tissue perfusion. Data on comparative studies of these drugs for improving claudication in the elderly are limited. The objective of this study was to compare pain relief offered by either aspirin or pentoxifylline for walking leg pain in the elderly with PVD.

Patients sixty-five years or older with claudication were randomly assigned to receive aspirin or pentoxifylline. Their reported level of walking claudication pain with use of the visual analogue scale (0-5) and the distance walked during exercises were recorded. Six weeks later the same parameters were recorded and results were compared with Student's t test, and a P value less than 0.05 was considered a statistically significant difference. Of the 90 patients who participated, 45 received aspirin (325 mg daily) and 45 were prescribed pentoxifylline (400 mg tid) for six weeks. Both the aspirin and the pentoxifylline groups reported a moderate level of pain (2/5) and remained about the same (2/5 for aspirin and 1/5 for pentoxifylline, P = 0.9, NS) after six weeks. However, the pentoxifylline group reported a farther walking distance of 2 miles compared with the aspirin group of 1.2 miles (P < 0.05). The level of pain did not change significantly with either aspirin or pentoxifylline, but the walking distance was farther with the pentoxi fylline group.

Angiology, Vol. 48, No. 3, 237-240 (1997)
DOI: 10.1177/000331979704800306


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