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目的探讨妊娠高血压疾病孕妇髂内动脉血流变化与胎盘组织病理学改变的相关性。方法检测68例妊高征孕妇及97例正常妊娠孕妇的髂内动脉血流多普勒参数S/D值、搏动指数(PI)、阻力指数(RI),研究胎盘病理变化,统计妊高征孕妇髂内动脉血流多普勒参数和胎盘的病理改变特点,分析二者之间相关性。结果随着髂内动脉血流S/D值、搏动指数和阻力指数的增高,妊高征组胎盘呈现逐渐加重的病理改变,胎盘绒毛血管管壁增厚、管腔狭窄、急性动脉粥样硬化等改变均较对照组增多。结论妊高征孕妇髂内动脉血流变化与胎盘形态学病理改变存在一定的相关性。
Objective To investigate the correlation between changes of internal iliac artery blood flow and placental histopathology in pregnant women with pregnancy-induced hypertension. Methods The blood flow Doppler parameters S / D value, pulsatility index (PI) and resistance index (RI) were measured in 68 PIH pregnant women and 97 normal pregnant women. The pathological changes of placenta, The characteristics of blood flow Doppler and placental pathological changes in pregnant women and the correlation between the two. Results With the increase of S / D value, pulsatility index and resistance index of internal iliac artery, the placenta of PIH group showed a gradual increase of pathological changes, thickening of placental villous vascular wall, stenosis, acute atherosclerosis And other changes were increased compared with the control group. Conclusion The changes of the internal iliac artery blood flow in pregnant women with PIH have some correlation with the histopathological changes of placenta.