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目的:观察经过改进的输卵管银夹的绝育效果。方法:采用多中心研究方法,比较经过改良的YZ-Ⅱ输卵管银夹与原夹的绝育效果,并分析影响绝育效果的因素。结果:手术对象1334例,其中,采用改良夹505例,原夹829例,绝育3年后寿命表复孕率分别为0.20%和1.57%,成功率分别为99.80%和98.43%,差异有高度统计学意义(P<0.01)。结论:改良后的银夹明显提高了银夹绝育术的成功率,尤其适用于输卵管充血增粗者,且副反应轻,值得临床推广应用。
OBJECTIVE: To observe the sterilizing effect of improved oviduct silver clip. Methods: A multicenter study was conducted to compare the sterilizing effects of the modified YZ-Ⅱ oviduct silver clip and the original clip, and to analyze the factors influencing the sterilization effect. Results: The object of operation was 1334 cases, of which 505 cases were modified and 829 cases were original. The pregnancy rate of life table after sterilization was 0.20% and 1.57% respectively after 3 years of sterilization, the success rates were 99.80% and 98.43% respectively, the differences were highly Statistical significance (P <0.01). Conclusion: The improved silver clip significantly improves the success rate of silver clip sterilization, especially for tubal thickening, and the side effects of light, worthy of clinical application.