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目的 探讨影响输精管吻合术后生育力恢复的相关因素。方法 4 1例对象 ,在输精管吻合术时 ,收集30例近睾端输精管液体 (附睾精子 ) ,在输精管吻合术后 3～ 18个月进行精液和妊娠的随访。分别做了多种参数的分析。统计有关参数之间的关系 ,并用Logistic回归对术后生育恢复与上述参数的关系进行分析。结果 按术后是否使妻子怀孕分为生育组 (2 0例 )和未育组 (2 1例 )。两组除输精管结扎术后的年限在未育组显著高于生育组外 ,附睾精子分析的结果均无差异。输精管吻合术后精液分析的结果显示 :除精子活动率、精子存活率、正常形态精子等在未育组显著低于生育组外 ,其它均无显著差别。Logistic回归分析结果表明 :输精管吻合术后生育力恢复与精子活动率和正常形态精子两个变量有关。结论 输精管吻合术后精液中精子活动率、精子存活率、正常形态精子未能恢复至正常水平 ,是影响输精管吻合术后未能生育的因素。
Objective To explore the factors that affect fertility recovery after vas deferens anastomosis. Method 4 In one patient, 30 cases of proximal testis vas deferens fluid (epididymal sperm) were collected during vas deferens anastomosis. Sperm and pregnancy were followed up 3-18 months after vas deferens anastomosis. Have done a variety of parameter analysis. Statistics of the relationship between the parameters, and Logistic regression analysis of the relationship between fertility and postoperative recovery parameters. Results According to whether the pregnancy was divided into fertility group (20 cases) and non-fertile group (21 cases). There was no difference in the results of epididymal spermatozoa between the two groups except vasectomy in the non-fertile group. The results of semen analysis after vasectomy showed that there was no significant difference except sperm motility rate, sperm survival rate and normal morphology sperm among the non-fertile group. Logistic regression analysis showed that fertility recovery after vas deferens anastomosis was related to two variables of sperm motility and normal morphology. Conclusion Sperm motility rate, sperm survival rate and normal spermatozoa fail to return to normal level in sperm semen after anastomosis of vas deferens, which are the factors that affect the infertility after vasectomy.