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目的观察常用的3种宫内节育器(IUD)的临床应用效果。方法1999年5月至2002年5月解放军201医院等2家医院采用对比性研究,以随机方法将1637例健康育龄妇女放置3种不同IUD,其中GyneFixINIUD525例,MCuIUD662例,MLCuIUD486例,于放置后1个月、3个月、6个月、12个月及24个月进行随访。结果3种IUD24个月的妊娠率、脱落率、因症取出率和累积续用率分别为:GyneFixINIUD0·56%,0·59%,2·41%,96·05%;MCuIUD0·34%,0·15%,2·03%,97·17%;MLCuIUD0·42%,5·17%,3·79%,90·01%。经统计学处理,3种IUD妊娠率比较,差异无显著性意义(P>0·05);GyneFixINIUD和MCuIUD的脱落率低于MLCuIUD,差异有非常显著性意义(P<0·01);GyneFixINIUD和MCuIUD的因症取出率低于MLCuIUD,差异有显著性意义(P<0·05);GyneFixINIUD和MCuIUD的24个月的累积续用率高于MCuIUD,差异有非常显著性意义(P<0·01)。结论Gy-neFixINIUD和MCuIUD具有脱落率低,因症取出率低,累积续用率高的优点,值得推广。
Objective To observe the clinical effect of three kinds of intrauterine devices (IUDs) commonly used. Methods From May 1999 to May 2002, two hospitals including 201 Hospital of People’s Liberation Army (PLA) were studied in a comparative study. Three different IUDs were placed in 1637 healthy women of childbearing age by randomization, including 525 GyneFixINIUD cases, 666 MCuIUD cases and 486 MLCuIUD cases. After placement, 1 month, 3 months, 6 months, 12 months and 24 months. Results The pregnancy rate, exfoliation rate, symptom removal rate and cumulative follow-up rate were 24 GyumFixINIUD0.56%, 0.59%, 2.41%, 96.05%, MCuIUD0.34% 0 · 15%, 2.03%, 97 · 17%; MLCuIUD0 · 42%, 5 · 17%, 3 · 79%, 90 · 01%. There was no significant difference in the pregnancy rates of the three kinds of IUDs (P> 0.05). The rates of gyneFixINIUD and MCuIUD were lower than that of MLCuIUD, the difference was statistically significant (P <0.01). GyneFixINIUD And MCuIUD were lower than that of MLCuIUD (P <0.05). The cumulative recurrence rate of GyneFixINIUD and MCuIUD was higher than that of MCuIUD at 24 months (P <0 · 01). Conclusion Gy-neFixINIUD and MCuIUD have the advantages of low shedding rate, low withdrawal rate and high cumulative recovery rate, which deserves promotion.