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Lancet:近足月胎膜早破,选择期待治疗,还是立刻分娩?

2015-11-10 Seven L 译 MedSci原创

近足月的胎膜早破若是选择期待治疗到足月,会增加新生儿感染风险,若是立即分娩,那早产儿各方面不成熟,风险同样很高,该如何平衡抉择?研究者进行了一项研究对该类人群选择即刻分娩能都减少新生儿感染风险,同时不增加死亡风险。该研究纳入了孕34-36周、分娩发动前胎膜早破女性,且近6周无感染迹象。按1:1随机分为立刻分娩和期待治疗两组。初始结局指标为新生儿败血症。继发结局指标包括新生儿发病率和死亡率指标(败血

近足月的胎膜早破若是选择期待治疗到足月,会增加新生儿感染风险,若是立即分娩,那早产儿各方面不成熟,风险同样很高,该如何平衡抉择?研究者进行了一项对该类人群选择即刻分娩是否能减少新生儿感染风险,同时不增加死亡风险的研究。

该研究纳入了孕34-36周、分娩前胎膜早破且近6周无感染迹象的孕妇。按1:1随机分为立刻分娩和期待治疗两组。初始结局指标为新生儿败血症。继发结局指标包括新生儿发病率和死亡率指标(败血症、机械通气≥24 h、死产、新生儿死亡);呼吸窘迫综合征;机械通气;新生儿入住监护室持续时间。孕产妇结局包括产前或产时出血、产时发热、产后抗生素使用、分娩方式。

该研究共纳入1839名女性,924名立即分娩,915名期待治疗。分析数据排除了4名参与者,1名来自分娩组,3名来自期待组。研究数据显示,分娩组和期待组新生儿败血症发生率分别为23/923 (2%)和29/912(3%)(RR=0.8, 95% CI 0.5–1.3; p=0.37);新生儿发病率和死亡率指标情况在分娩组和期待组分别为73/923(8%)和61/911(7%)(RR=1.2, 95% CI 0.9–1.6; p=0.32)。研究者发现,分娩组新生儿呼吸窘迫发生率增加:76/919[8%] vs 47/910[5%], RR 1.6, 95% CI 1.1–2.30; p=0.008;使用机械通气增加:114/923[12%] vs 83/912[9%], RR 1.4, 95% CI 1.0–1.8; p=0.02;住进监护室的时间更长:平均4.0天 [IQR 0.0–10.0] vs 2.0天[0.0–7.0]; p<0.0001。与分娩组相比,期待组女性产前或产时出血风险更高 (RR 0.6, 95% CI 0.4–0.9),产时发热风险更高 (0.4, 0.2–0.9),使用抗生素风险更高 (0.8, 0.7–1.0),住院时间更长(p<0.0001),不过剖宫产率更低(RR 1.4, 95% CI 1.2–1.7)。

研究中没有发现明显的胎儿感染迹象,因此对近足月的胎膜早破选择期待治疗并予以适当监测,可能是更佳选择。

原始出处:

Jonathan M Morris, Christine L Roberts,et al.Immediate delivery compared with expectant management after preterm pre-labour rupture of the membranes close to term (PPROMT trial): a randomised controlled trial.Lancet. 09 November 2015

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    2016-09-23 howi
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    2015-11-12 linlin2312
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