Am J Obstet Gynecol:子宫内膜瘤术后宫内左炔诺孕酮释放系统维持治疗能否减少复发?

2017-06-29 顾歆纯 环球医学资讯

子宫内膜瘤术后维持宫内左炔诺孕酮释放系统能否减少复发,研究较少。2017年6月,发表在《Am J Obstet Gynecol》的一项研究显示,左炔诺孕酮宫内释放系统长期维持治疗不能有效预防子宫内膜瘤复发。

子宫内膜瘤术后维持宫内左炔诺孕酮释放系统能否减少复发,研究较少。2017年6月,发表在《Am J Obstet Gynecol》的一项研究显示,左炔诺孕酮宫内释放系统长期维持治疗不能有效预防子宫内膜瘤复发。

背景:根据3项随机试验,宫内左炔诺孕酮释放系统能明显降低术后1年子宫内膜异位相关的骨盆疼痛。仅较少研究评估设备预防子宫内膜瘤复发的长期有效性,并且左炔诺孕酮宫内释放系统作为维持疗法的作用仍不清楚。

目的:本研究旨在评估维持左炔诺孕酮宫内释放系统是否能有效预防术后子宫内膜瘤复发。

研究设计:2011年5月至2012年3月,开展了一项纳入80名子宫内膜瘤患者的随机对照试验,患者在经历腹腔镜下囊肿切除术后接受6个疗程促性腺激素释放荷尔蒙激动剂治疗。手术后,患者被随机分配至接受或未接受左炔诺孕酮宫内释放系统(干预组,n=40 vs 对照组,n=40)。主要结局是术后30个月子宫内膜瘤复发。次要结局包括痛经、CA125水平、非周期性盆骨痛和副作用。

结果:两组间的30个月子宫内膜瘤复发没有明显差异(干预组,40人中10人,25% vs 对照组40人中15人,37.5%;危险比,0.60,95%置信区间,0.27~1.33,P=0.209)。干预组的痛经复发率降低,估算危险比为0.32(95%置信区间,0.12~0.83,P=0.019)。在30个月随访后,同对照组相比,干预组以视觉模拟评分评估的痛经减少较多(平均± SD,60.8 ± 25.5 vs 38.7 ± 25.9,P<0.001,95%置信区间,10.7~33.5),非周期性盆腔痛VAS降低较多(39.1±10.9 vs 30.1±14.7,P = 0.014,95% CI 1.9~16.1),CA125降低也较多(中位值[四分位数间距]-32.1[–59.1~14.9] vs. -15.6[–33.0~5.0],P = 0.001)。30个月时痛经复发的需治疗数量是5。干预组需要进一步手术或激素治疗的复发病例数(40例中1例,2.5%,95%置信区间,-2.3%~7.3%)明显低于对照组(40例中8例,20%,95%置信区间,7.6~32.4%;P=0.031)。

结论:采用左炔诺孕酮宫内释放系统长期维持治疗不能有效预防子宫内膜瘤复发。

原始出处:
Chen, Y. J., et al. Postoperative maintenance levonorgestrel-releasing intrauterine system and endometrioma recurrence: a randomized controlled study.Am J Obstet Gynecol. 2017 Jun;216(6):582.e1-582.e9. doi: 10.1016/j.ajog.2017.02.008. Epub 2017 Feb 15.

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    2018-05-25 yhy100200
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    2017-07-01 周虎
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