摘要
目的 研究足月妊娠脐动脉血流 S/ D值介于 2 .5～ 3.0间的围产儿结局。 方法 将2 77例足月妊娠妇女根据分娩前脐动脉血流 S/ D值分成两组 ,即 S/ D值介于 2 .5～ 3.0的 35例为研究组 ,S/ D值 <2 .5的 2 42例为对照组 ,分别跟踪分娩结局 :出生时采集脐血进行血气分析 ,记录新生儿 Apgar评分 ,羊水粪染及新生儿体重等指标。 结果 研究组 5 7.14% (2 0 / 35 )的新生儿脐血 p H值异常 ,而对照组仅 10 .74% (2 6 / 2 42 )的脐血气异常 ,两组比较差异有显著性 (χ2 =47.5 3,P<0 .0 0 5 ) ,其它不良结局 (羊水 度以上 ,Apgar评分低于 7分 ,低出生体重 )发生率 ,研究组 6 5 .7% (2 3/ 35 ) ,对照组 2 7.2 7% (6 6 / 2 42 ) ,两组比较差异有显著性 (χ2 =2 0 .72 ,P<0 .0 0 5 ) ;研究组的新生儿出生体重 (310 5± 5 78) g显著低于对照组 (3 35 0± 475 ) ,(t=2 .84,P<0 .0 0 5 )。 结论 对于足月妊娠脐动脉血流S/ D值介于 2 .5～ 3.0的胎儿 ,要加强监护 ,避免严重的围产儿不良结局的发生。
Objective To study prospectively on the prenatal outcomes of fetal umbilical arteries flow velocity waveform systolic/diastolic ratio range from 2.5 to 3.0 at term pregnancy. Methods 277 term pregnant women were divided into two groups: one is research group consist of 35 pregnant women whose S/D ratio are between 2.5 to3.0; the other is control group consist of 242 pregnant women whose S/D ratio are below 2.5. All subjectives were followed-up and analysed double-blindly. Umbilical blood gas analysis were done, Apgar score were evaluated, meconium staining,neonatal weight etc. were recorded. Results The abnormal PH rate of umbilical blood was significantly higher in the research group than that in the control group(20/35=57.14% vs 26/242=10.74%, χ2=47.53,P<0.005) .The rate of the outcomes including II or more meconium staining, Apgar score below 7,low neonatal weight were significantly higher in the research group than that in the control group(23/35=65.7% vs 66/242=27.27%,χ2=20.72,P<0.005). The mean neonatal weight of the research group were much lower than that of control group[(3 103±578) g vs (3 350±475) g,t=2.84,P<0.005]. Conclusions More attention should be paid to monitor the fetuses whose fetal umbilical arteries flow velocity systolic/diastolic ratio are between 2.5 to 3.0 or more than 3.0 to prevent the bad outcome of pregnancy. It is suggest that the S/D ratio between 2.5 to 3.0 be a predictor of fetal distress.
出处
《中华围产医学杂志》
CAS
2002年第4期253-255,共3页
Chinese Journal of Perinatal Medicine
