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目的评价胎儿脐动脉血流动力学与围产儿缺氧的相关性。方法将密云县医院2002-2008年孕龄36~40周,胎儿脐动脉血流参数异常者(S/D>3.0)29例为实验组,随机抽取同期孕龄胎儿脐动脉血流参数正常者29例做为对照组。观察脐动脉收缩期血流速度/舒张期血流速度(S/D)、脐动脉血流阻力(RI)及分娩后新生儿阿普加评分。结果实验组新生儿脐动脉血流S/D:3.1~4.0者18例;4.1~4.8者10例;舒张期缺失1例,其中0~3分1例;4~7分5例;8~10分23例。对照组29例新生儿(脐动脉S/D1.7~3.0)中,0~3分0例;4~7分1例;8~10分28例,实验组新生儿与对照组新生儿评分比较差异具有统计学意义(P<0.05)。结论胎儿脐动脉血流检测是预测胎儿宫内缺氧状况的一种安全、有效的检测方法。
Objective To evaluate the relationship between fetal umbilical artery hemodynamics and perinatal hypoxia. Methods 29 patients with abnormal umbilical artery blood flow parameters (S / D> 3.0) of Miyun County Hospital from 2002 to 2008 were enrolled in this study. The experimental group was randomly selected. The umbilical artery blood flow parameters were normal 29 cases as a control group. Umbilical artery systolic blood flow velocity / diastolic blood flow velocity (S / D), umbilical artery blood flow resistance (RI) and neonatal Apgar scores after delivery were observed. Results In the experimental group, there were 18 cases of neonatal umbilical artery blood flow S / D: 3.1 ~ 4.0, 10 cases of 4.1 ~ 4.8, 1 case of diastolic loss, of which 0 ~ 3 in 1 case, 4 ~ 7 in 5 cases, 10 points and 23 cases. In the control group, 29 newborns (umbilical artery S / D1.7 ~ 3.0) had 0-3 points in 0 cases, 4-7 points in 1 case and 8-10 points in 28 cases. Neonatal score of neonates in the experimental group and control group The difference was statistically significant (P <0.05). Conclusion Fetal umbilical artery blood flow detection is a safe and effective method to predict fetal hypoxia status.