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多普勒脐动脉血流测定是估计胎儿-胎盘循环动力学改变的一种有效、无创的方法。通过测定收缩期最大血流速度与舒张末期血流速度的比值(S/D)、脉动指数、阻力指数等指标,预测胎儿发育的健康状况及围产儿预后。胎儿舒张末期脐动脉血流缺失(AEDV)的出现是一个危险的信号,预示可能在数天内胎死宫内,围产儿死亡率高达50%。我院2004年1月～2010年1月,共检出AEDV49例,现做临床分析如下。
Doppler umbilical artery blood flow measurement is an effective and noninvasive method for estimating fetal-placental circulatory dynamics. The systolic blood flow velocity and end-diastolic blood flow velocity ratio (S / D), pulsatility index, resistance index and other indicators to predict the health status of fetal development and prognosis of perinatal. The presence of fetal end-diastolic umbilical arterial blood flow (AEDV) is a dangerous signal that predicts fetal and perinatal mortality may reach 50% within days. Our hospital from January 2004 to January 2010, were detected in AEDV cases, clinical analysis is as follows.