Role of Urethral Ischemia in the Development of Urethral Strictures After Cardiovascular Surgery: A Preliminary Report

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Abstract
A high incidence of urethral stricture was noted following cardiovascular surgery. In an attempt to elucidate factors predisposing to the occurrence of urethral stricture, the penile blood flow was studied in 7 patients presenting with strictures after cardiovascular surgery. Of these patients 5 had penile-brachial pressure indexes < 0.5 and 6 had weak or absent erections. Of 14 patients studied prospectively by penile blood flow 2 had a low penile-brachial pressure index and suffered urethral strictures 6 weeks after cardiovascular surgery. Urethral ischemia could be a predisposing factor for the development of urethral strictures after cardiovascular surgery.