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为研究高血压病人之左室舒张功能，我们采用脉冲多普勒超声心动图技术测量分析了６６例高血压病人及４３例正常人的左房收缩时间间期。高血压组按有无第四心音分为两组。１８例高血压病人应用卡托普利治疗１周后分析左房收缩时间间期指标。高血压病人的心房射血前期及校正心房射血前期缩短，心房射血时间延长。高血压伴第四心音组与无第四心音组比较心房射血前期及校正心房射血前期缩短，心房射血时间延长。１８例高血压病人应用卡托普利治疗１周后左房收缩时间间期指标有明显改善。
To study the left ventricular diastolic function in hypertensive patients, we measured the time series of left atrium contraction in 66 hypertensive patients and 43 normal subjects using pulsed Doppler echocardiography. Hypertension group according to whether the fourth heart sound is divided into two groups. Eighteen hypertensive patients were treated with captopril for one week and then analyzed the left atrial systolic time index. Hypertensive patients atrial ejection and correction of atrial ejection shortened, atrial ejection time. Hypertension with the fourth heart sound group and no fourth heart sound group compared with atrial ejection and corrected atrial ejection shortened, atrial ejection time. 18 cases of hypertensive patients with captopril treatment for 1 week after atrial systolic time index improved significantly.