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目的探讨妊娠足月时羊水过少对母婴的影响。方法应用彩超羊水指数法估测羊水量,以及测定脐动脉收缩期最大血流速度(S)和舒张末期血流速度(D)的比值(S/D),选取2012年10月~2013年10月在本院住院治疗的晚期妊娠中羊水过少的孕妇172例,并将其列为观察组,取同期妊娠足月羊水量正常孕妇172例为对照组,分析两组孕妇分娩情况及围产儿预后。结果 AFI<3.0 cm时,B超测量羊水量与实际羊水过少符合率为100%;AFI为3.0~5.0 cm时为87.27%;观察组胎儿窘迫、羊水污染、新生儿窒息及剖宫产率与对照组胎儿比较差异有统计学意义(P<0.01)。结论羊水过少容易发生胎儿窘迫与新生儿窒息,应尽快终止妊娠,适当放宽羊水过少的剖宫产指征。
Objective To investigate the effect of oligohydramnios on maternal and infant in term pregnancy. Methods The amniotic fluid volume was estimated by color Doppler amniotic fluid index and the ratio of the maximum blood flow (S) to the end diastolic blood flow (D) in the umbilical artery was measured. From October 2012 to October 2013 172 cases of oligohydramnios in late pregnancy hospitalized in our hospital in January were enrolled in the observation group and 172 normal pregnant women with full-term amniotic fluid in the same period were taken as the control group. The delivery status of the pregnant women and the perinatal Prognosis. Results When AFI was less than 3.0 cm, the coincidence rate of amniotic fluid volume measured by B-mode ultrasonography with actual amniotic fluid was 100%, while the AFI ranged from 3.0-5.0 cm (87.27%). Fetal distress, amniotic fluid contamination, neonatal asphyxia and cesarean section rate Compared with the control group fetus, the difference was statistically significant (P <0.01). Conclusions: Oligohydramnios are prone to fetal distress and neonatal asphyxia. Pregnancy should be terminated as soon as possible. Indications of cesarean section with oligohydramnios should be appropriately relaxed.