利用多普勒超声对肺动脉收缩压进行无创估计。
Non-invasive estimation of pulmonary artery systolic pressure with Doppler ultrasound.
作者信息
Hatle L, Angelsen B A, Tromsdal A
出版信息
Br Heart J. 1981 Feb;45(2):157-65. doi: 10.1136/hrt.45.2.157.
Abstract
Systolic pressure in the pulmonary artery was estimated from the interval between pulmonary valve closure and tricuspid valve opening, and the heart rate using a nomogram previously described. The timing of valve movements was recorded by Doppler ultrasound. The estimated pressure correlated well with that obtained at catheterisation in 45 of 48 patients with pulmonary hypertension. Instantaneous variations in pressure and changes with treatment and during exercise could be measured. The method was easy to apply in all age groups, and was found useful both in detecting pulmonary hypertension and in the follow-up of patients. It may help to determine the optimal time for surgery or the effect of treatment.
摘要
肺动脉收缩压是根据肺动脉瓣关闭与三尖瓣开放之间的时间间隔以及心率，使用先前描述的列线图来估算的。瓣膜运动的时间通过多普勒超声记录。在48例肺动脉高压患者中，有45例估算的压力与心导管检查测得的压力相关性良好。可以测量压力的瞬时变化以及治疗期间和运动期间的变化。该方法易于应用于所有年龄组，并且发现在检测肺动脉高压和患者随访中均有用。它可能有助于确定手术的最佳时间或治疗效果。
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