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Hormone Replacement Therapy and Peripheral Vascular Disease in Women

Debra R. Liles, BA

Peter H. Lin, MD

Ruth L. Bush, MD

Houston, TX

Women have been shown to have a lower incidence of vascular disease when compared to men. However, the incidence of vascular disease increases as women progress through menopause and reaches an incidence similar to that of men later in life. Women with peripheral vascular disease often have a delay in diagnosis, a higher incidence of asymptomatic disease, and poorer outcome after interventions. The differences in outcome have been attributed to a number of factors such as anatomic and hormonal differences. It is thought that estrogen deficiency is at least partially responsible for the increased risk of developing vascular disease after menopause, and thus hormone replacement therapy has been considered as a method to prevent progression of vascular disease. Conclusions drawn from a number of recent studies have resulted in a divergent view of hormone replacement therapy (HRT). This article explores the risk of peripheral vascular disease in women and the current state of research on hormone replacement therapy. The aims of this review are to present current perspectives on gender differences in the pathogenesis and outcomes of peripheral arterial disease (PAD). The effect of estrogen on atherogenesis, the role it plays in modulating the vascular endothelium, and the current evidence of the effects of HRT on vascular pathology is discussed. The most recent HRT clinical trials and present evidence for the benefits and risks of postmenopausal hormone replacement therapy are summarized. The effect of these issues on treatment practices is explained and suggestions are made for future directions of HRT and PAD research.

Vascular and Endovascular Surgery, Vol. 38, No. 6, 547-556 (2004)
DOI: 10.1177/153857440403800609


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