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输精管再通术后复孕率不高,其原因还不十分清楚,可能与输精管再通的技术、再通术后精子的质量、吻合口梗阻或附睾梗阻、精道梗阻的时间、精子肉芽肿、支配输精管附睾的神经损伤、精子抗体、原输精管阻断的技术以及配偶的生育力等因素有关。现分述如下。 一、输精管再通的技术:输精管睾丸吻合法偶有成功;常规输精管附睾吻合法效果差,复精率为2～10%,最高仅达50%;显微输精管附睾管吻合法效果较好,复精率为86%,恢复正常精子数者达79%;输精管吻合法效果肯定,方法甚多,效果不同。
Vas deferens recanalization postoperative pregnancy rate is not high, the reason is not very clear, and vas deferens may recanalization techniques, and then postoperative sperm quality, anastomotic obstruction or epididymal obstruction, spermatic obstruction time, sperm granuloma , Dominating the neural damage of the vas deferens epididymis, sperm antibodies, techniques of vas deferens vas deferens, and fertility of the spouse. Now is as follows. First, the vas deferens recanalization techniques: vas deferens testis anastomosis occasional success; conventional vas deferens anastomosis anastomosis poor, complex rate of 2 to 10%, up to only 50%; microscopic vas deferens epididymal tube anastomosis better, Complex rate of 86%, the number of normal sperm returned to 79%; vas deference anastomosis positive effect, many ways, the effect is different.