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输精管结扎术,最早是应用于前列腺切除术后的预防逆行感染,以后广泛用于永久性男性绝育,但这种手术是不可复性的。若要恢复生育则需作输精管吻合术,其效果各界报导不一;Brueschke(1976)报告输精管吻合后精子回复率仅38％,平均怀孕率亦不过20％。Schimit(1976)报告吻合术后怀孕率可达40—50％。虽然新的输精管吻合手术工具——手术显微镜的应用和手术方法的改进显著提高了吻合后的效果,但由于结扎时已切除了一假输精管,周围组织的粘连,输精管道阻塞后引起的自身免疫作用等都会影响吻合
Vasectomy, the earliest is the prevention of retrograde infection after prostatectomy, and later widely used in permanent male sterilization, but this surgery is irreversible. Brueschke (1976) reported a sperm recovery rate of only 38% after anastomosis of the vas deferens and an average pregnancy rate of less than 20%. Schimit (1976) reported an anastomosis rate of 40-50%. Although the new vas deferens surgical tools - the application of surgical microscopes and surgical methods improved significantly improved the effect of anastomosis, but due to a resection of the ligation of the fake vas deferens, the surrounding tissue adhesion, vas deferens obstruction caused by autoimmunity Effect will affect the anastomosis