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子痫前期硫酸镁治疗前后子宫动脉、脐动脉、大脑中动脉血流变化研究 被引量:7

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摘要 目的观察子痫前期硫酸镁治疗前后子宫动脉、脐动脉、大脑中动脉血流变化,从而为子痫前期的治疗提供科学依据。方法收集2010年7月至2011年2月济宁医学院附属医院收治的50例重度子痫前期患者,同时选取40例正常妊娠妇女作为对照组。静脉注射硫酸镁前及注射后行超声检查。记录孕妇心率,收缩压,舒张压(DBP)和平均动脉压(MAP)。应用彩色多普勒超声技术检测子宫动脉和脐动脉,计算收缩期最大血流速度与舒张末期血流速度之比(S/D),搏动指数(Pl),阻力指数(RI)。应用经颅多普勒检查测定孕妇大脑中动脉收缩期最大血流速度(Vs),舒张末期血流速度(Vd),平均血流速度(Vm)PI和RI。根据公式灌注压(CPP)=[Vm/(Vm-Vd](MAP-DBP),估算脑CPP。结果硫酸镁明显降低脐动脉PI和S/D值(P<0.05),但治疗前后RI无明显变化(P>0.05)。硫酸镁明显降低子宫动脉PI、RI和S/D值(P<0.05)。硫酸镁治疗前后孕妇大脑中动脉PI、RI、S/D和CPP无明显变化(P>0.05)。子痫前期患者中20例CPP减低,13例CPP在正常范围,17例CPP增高。硫酸镁治疗后,CPP增高者CPP明显降低(P<0.05),CPP正常及减低者无明显变化(P>0.05)。结论硫酸镁可降低子痫前期患者脐动脉、子宫动脉PI和S/D值。硫酸镁可降低高脑灌注压子痫前期患者CPP。
作者 贾苒
出处 《中国医药指南》 2011年第29期278-279,共2页 Guide of China Medicine
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参考文献5

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