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Type: Journal article
Title: Population-based observational study of claudication in older men: The health in men study
Author: Lakshmanan, Rahul
Hyde, Zoe
Jamrozik, Konrad
Hankey, Graeme J.
Norman, Paul E.
Citation: Medical Journal of Australia, 2010; 192(11):641-645
Publisher: Australasian Medical Publication Co Ltd
Issue Date: 2010
ISSN: 0025-729X
School/Discipline: School of Population Health and Clinical Practice : Public Health
Statement of
Rahul Lakshmanan, Zoë Hyde, Konrad Jamrozik, Graeme J Hankey and Paul E Norman
Abstract: Objectives: To assess the prevalence of and risk factors for claudication and its association with subsequent cardiovascular events. Design, setting and participants: Observational cohort study of 12 203 Western Australian men aged 65 years and over, recruited from 1996 to 1999, and followed up from 2001 to 2004. Main outcome measures: Prevalence of claudication and incidence of peripheral arterial disease (PAD); risk factors for claudication and its association with subsequent cardiovascular events. Results: The prevalence of claudication was 5.3% (638 of 11 970 men). At follow-up, after exclusion of 148 men with claudication at baseline and 76 with missing data at follow-up, the crude average annual incidence of new PAD (claudication or procedure for PAD) was 0.85% (95% CI, 0.72%–0.96%). The risk factors for prevalent claudication and incident PAD were similar, with age, smoking, hypertension, diabetes and history of cardiovascular disease dominating. Of the men with claudication at baseline, nearly half (47.5%; 303 of 638) were not taking aspirin. At follow-up, 42.5% (82 of 193) of the men with incident PAD were not taking aspirin. Claudication at baseline was associated with twice the risk of cardiovascular death (hazard ratio, 2.00; 95% CI, 1.52–2.64). There was a J-shaped relationship between aortic diameter, and both prevalent claudication and subsequent cardiovascular events. Conclusions: Among older men, claudication is prevalent and is associated with factors that can still be modified in older age, including smoking, exercise and diet. Relatively few men with claudication or at risk of PAD use aspirin. Claudication is a significant predictor of cardiovascular outcome.
Rights: © 2010 The Medical Journal of Australia
RMID: 0020098154
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Appears in Collections:Public Health publications

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