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Risk Factors for the First-Time Development of Venous Ulcers of the Lower Limbs: The Influence of Heredity and Physical Activity

Albert Einstein College of Medicine, Departments of Epidemiology and of Emergency Medicine, Bronx, NY, USA

Lucien Abenhaim

McGill University and Jewish General Hospital, Center for Clinical Epidemiology and Community Studies, Montreal, Qc, Canada

Robert Platt

McGill University and Montreal Children's Hospital, Montreal, Qc, Canada

Susan R. Kahn

McGill University and Jewish General Hospital, Center for Clinical Epidemiology and Community Studies, Montreal, Qc, Canada

Oren Steinmetz

McGill University and Royal Victoria Hospital, Division of Vascular Surgery, Montreal, Qc, Canada

The objective of this prospective case-control study was to identify and quantify demographic and clinical risk factors for venous ulcer disease, with special emphasis on heredity and physical activity. Patients presenting to a participating vascular surgery department between January and December 1997 with a first open venous ulcer served as cases. Controls were sampled among patients with subacute conditions such as skin problems, back pain, cold, headache/migraine, sore throat, and mild ear infections and were matched on referral physician, age (±5 years), and gender. Subjects were eligible if they were 18 years or older and were excluded if they had nonpalpable pedal pulse or any chronic active diseases such as cancer or AIDS. Cases' and controls' statuses were ascertained by the participating physi cians. Data on risk factors were collected with an interviewer-administered questionnaire and were self-reported by patients. The mean age of participants was 61 years for cases (n = 102) and 59 years for controls (n = 200). Family history of maternal venous insufficiency (odds ratio (OR) = 6.8, 95% confidence interval (Cl) = [1.9, 24.3]_95%), vigorous exercise (OR = 8.9, Cl = [1.1, 72.0]_95%), and history of deep vein thrombosis (DVT) (OR = 17.6, Cl = [2.9, 106.8]_95%) were found to be significant predictors of venous ulcers in matched multivariate logistic regression analysis; number of pregnancies was also a significant risk factor in women (OR = 1.2, Cl = [1.0, 1.5]_95%). Our study suggests that knowledge of family history of venous insufficiency and monitoring of physical activity will lead to ulcer prevention. Although physical activity is recommended for patients with venous insufficiency, vigorous exercise increases the likelihood of ulcerations.

Angiology, Vol. 53, No. 6, 647-657 (2002)
DOI: 10.1177/000331970205300604


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