Lower Testosterone Levels Predict Incident Stroke and Transient Ischemic Attack in Older Men

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    Abstract

    Context: Lower circulating testosterone concentrations are associated with metabolic syndrome, type 2 diabetes, carotid intima-media thickness, and aortic and lower limb arterial disease in men. However, it is unclear whether lower testosterone levels predict major cardiovascular events. Objective: We examined whether lower serum testosterone was an independently significant risk factor for symptomatic cerebrovascular events in older men. Design: This was a prospective observational study with median follow-up of 3.5 yr. Setting: Community-dwelling, stroke-free older men were studied. Participants: A total of 3443 men at least 70 yr of age participated in the study. Main Outcome Measures: Baseline serum total testosterone, SHBG, and LH were assayed. Free testosterone was calculated using mass action equations. Incident stroke or transient ischemic attack (TIA) was recorded. Results: A first stroke or TIA occurred in 119 men (3.5%). Total and free testosterone concentrations in the lowest quartiles (
    Original languageEnglish
    Pages (from-to)2353-59
    JournalJournal of Clinical Endocrinology and Metabolism
    Volume94
    Issue number7
    DOIs
    Publication statusPublished - 2009

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