Vasectomy and Coronary Disease in Men less than 50 Years Old: Absence of Association

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Abstract
Because recent experiments in primates suggest a relationship between vasectomy, and the development and promotion of atherosclerosis a case control study was performed to explore this possibility in humans. The prevalence of prior vasectomy was determined in 55 men less than 50 years old with onset of documented coronary disease and in a matched control group of close relatives (45 brothers and 10 first cousins) free of coronary disease. The prevalence was the same in each group, 25.5 per cent (14 of 55), and there was no significant difference between study groups in the mean interval since vasectomy. Thus, within the limitations of this study no association of coronary disease with prior vasectomy was found. Further work is needed to evaluate whether the animal findings pertain to humans.