...29例具有α地贫风险的胎儿和正常对照组44例胎儿行二维及多普勒超声检查,测量胎儿MCA收缩期峰值血流速度(peak systolic velocity, PSV)和IHUV最大速度(maximum velocity,Vmax),并对实验组胎儿行羊膜腔穿刺或脐血穿...
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...多普勒诊断仪，检测RVO患者患眼48只、对侧临床健康眼39只及正常对照眼40只的CRA收缩期峰值血流速度（peaksystolicvelocity，PSV）、舒张末期血流速度（end-diastolicvelocity，EDV）和血管搏动指数（pulsat...
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...脉 | 医源世界 指数(resistent index，RI)、搏动指数(pulsatility index，PI)、收缩期峰值血流速度(systolic phase peak value，SV)、舒张期峰值血流速度(diastolic phase peak value，DV)。
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的收缩期峰值血流速度 peak systolic velocity
收缩期血流峰值速度 peak systolic velocity ; PSV ; peak systolic velocities
结果表明观察组脑底动脉收缩期峰值血流速度明显高于正常对照组，差异非常显著（P＜0．01）；
The result showed that systolic peak velocity of bottom cerebral arteries in heroin addicts was much higher than that of the normal control group (P<0.01).
结果：患眼的视网膜中央动脉收缩期峰值血流速度、平均血流速度均低于对侧眼（P＜0．0001）。
Results:The peak systolic velocity and the time average velocity of the central retinal artery of the affected eyes were lower than those of the patients healthy eyes(P<0 0001).
病灶局部所测血流动力学参数为收缩期峰值血流速度PS V，舒张末期血流速度(EDV)及阻力指数ri。
The hemodynamic parameters measured in the lesion locations included peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI).
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