经阴道彩色多普勒对生育期子宫血流的研究

目的　建立生育期子宫各段动脉血流参数的正常参考值范围。方法　应用经阴道彩色多普勒超声观察 66例正常生育期子宫动脉 (UTA)、弓状动脉 (AA)、放射动脉 (RA)、螺旋动脉 (SA)的收缩期峰值流速 (PSV)、舒张末期流速 (EDV)、搏动指数 (PI)、阻力指数 (RI)和收缩 /舒张末流速比 (S/D) ,并进行统计分析。结果　生育期子宫各段动脉均能良好地显示 ,从子宫动脉到螺旋动脉各血流参数呈不同程度的降低 ;在月经周期中 ,螺旋动脉于分泌期呈低阻高流速的改变最为显著。结论　生育期子宫血流动力学参数的改变与月经的周期性变化密切相关 ;通过测定螺旋动脉阻力指数 ,可预测月经周期的时相

A Study on Uterine Blood Flow Hemodynamics in Reproductive Women by Transviginal Color Doppler Ultrasonography

Objective To provide the normal hemodynamic parameters of uterine several arteries in reproductive women.Methods The hemodynamic parameters including peak systolic velocity(PSV),end diastolic velocity(EDV),resistance index(RI),pulsatility index(PI)and systolic/diastolic velocity ratio(S/D) of uterine artery(UTA),arcuate artery(AA),radial artery(RA)and spiral artery (SA) in 66 reproductive women were studied by transvaginal color Doppler(TVCD).The results were analyzed with T test.Results The flow of uterine several arteries in normal reproductive women was all detected well.From UTA to SA,parameters gradually decreased.In the secretory phase of menstrual cycle,the change of SA which EDV value was higher and RI value was lower was the most obviously.Conclusion The uterine hemodynamics in productive period is in close relalionship with menstrual cycle.We can predict the time of menstrual cycle according RI value of SA.