Treatment of the Intraoperative Penile Erection with Intracavernous Phenylephrine

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Abstract
A total of 23 patients who had an intraoperative penile erection during endoscopic or penile surgery underwent intracavernous injection of 200 micrograms phenylephrine. Detumescence occurred rapidly in all patients with a single injection. Hemodynamic changes consisted of a transient increase in systolic and diastolic blood pressures (+9%, p < 0.05) without significant change in pulse rate (-5%, p > 0.05). No marked side effect was reported even in elderly patients. Intraoperative penile erection, which seems to be more frequent in patients younger than 50 years, during general anesthesia with propofol or epidural anesthesia, can be treated safely with intracavernous injection of phenylephrine.