脉冲多普勒超声心动检测肺静脉血流与左室舒张压的相关性研究The Relationship between Pulmonary Venous Flow Velocities Recorded by Pulse Doppler Echocardiograpby and Left Ventricular Diastolic Pressure
刘文娴,张桂珍,张纯,朱晓玲,耿世钊,吕树铮,张金荣
摘要(Abstract)：
研究经胸脉冲式多普勒超声心动图所检测的肺静脉血流与左室舒张压的相关性。对35例患者的超声心动图及左室造影进行观察，分析肺静脉血流与二尖瓣血流频谱所获指标与左室舒张庄关系。静脉血流A波间期和二尖瓣血流A波间期之差（d－dif）与左室舒张末压呈显著正相关性（r＝0．5658，P＜0．001），以d－dif判断左室舒张功能不全（LVEDP＞15mmHg）的敏感性为75．0％，特异性为86．7％。d－dif与Pre－A和LVa亦具有正相关性（P＜0．01）。d－dif是一项能够较为准确地反映左室舒张压变化的指标。
关键词(KeyWords)： 多普勒超声心动图;肺静脉血流;二尖瓣血流;左室舒张压
基金项目(Foundation):
作者(Author): 刘文娴,张桂珍,张纯,朱晓玲,耿世钊,吕树铮,张金荣
参考文献(References)：
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