[Retrograde ejaculation as a cause of aspermia following retroperitoneal lymph node excision and the effective use of alpha sympathomimetic drugs].

Retroperitoneal lymphadenectomy may produce in the majority of patients an irreversible loss of normal ejaculation due to lesion of presacral sympathetic nerve fibers. Libido and orgasm did remain unchanged. In 14.3% of the patients a retrograde ejaculations could evaluated. By application of alpha-sympathicomimetic drugs this could reversed to an antegrade ejaculation. However, fertility was altered strongly because of motility loss.