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Eur J Vasc Surg. 1993 Sep;7(5):523-7.

Prevalence of intermittent claudication and risk factors for its development in patients on renal replacement therapy.

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Department of Medicine, Charing Cross Medical School, Charing Cross Hospital, London, U.K.


The prevalence of symptomatic intermittent claudication (IC) was assessed using a standard cardiovascular questionnaire in a cohort of 325 patients on renal replacement therapy (RRT). IC was found in 19% of patients, 77% of whom were smokers and 22% diabetic. It was more common in men than women and in smokers than non-smokers (p < 0.001). Those with IC were significantly older (61 years vs. 50 years p < 0.001), smoked more (23 pack years vs. 12 pack years p = 0.002), had higher median systolic blood pressures (143 mmHg vs. 140 mmHg p = 0.041) and median triglyceride levels (2.07 mmol/l vs. 1.60 mmol/l p = 0.023) than those renal patients without IC. A case control study matching for age, sex and treatment revealed patients with IC to have higher median systolic blood pressure (147 mmHg vs. 140 mmHg p = 0.031), cholesterol (6.70 mmol/l vs. 5.90 mmol/l p = 0.029), LDL cholesterol (4.64 mmol/l vs. 3.86 mmol/l p = 0.011), and contained a greater proportion of smokers (78% vs. 50% p < 0.001). IC is common in patients on RRT. Whilst smoking was prevalent among those with IC it was much less frequent than in the general population with IC. Other factors such as hypertension, lipid abnormalities or the uraemic state itself may also be important in the development of IC in these patients.

[Indexed for MEDLINE]

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