摘要
目的：利用左心瓣膜反流探讨无创测定左心腔内压力的新方法。方法：应用连续波多普勒超声心动图（ＣＷＤＥ）和心导管同步测定４７例患者二尖瓣反流最大压差和主动脉瓣反流舒张末最大压差，结合肱动脉压的测量，计算左心房压和左心室舒张末压。结果：两种技术测定的左心室舒张末压间存在良好相关性（ｒ＝０．８５，ｙ＝１．２０１ｘ－０．２８６，Ｐ＜０．００１），左心房平均压与平均肺小动脉嵌顿压间高度相关（ｒ＝０．９５，ｙ＝０．９０１ｘ＋０．１５４，Ｐ＜０．００１）。结论：ＣＷＤＥ能准确测定左心瓣膜反流压差。
? Objective:To approach new methods of noninvasive quantification of leftside intracardiac pressure in patients with mitral and/or aortic regurgitations. Methods:In 47 patients of mitral regurgitation and partially associated with aortic regurgitation,peak mitral and enddiastolic aortic regurgitant gradients were respectively measured by simultaneously continuouswave Dopplerecho and left and right cardiac catheterization,then the left atrial and left ventricular enddiastolic pressures were calculated together with the measurement of brachial artery pressure. Results:A good correlation(r=085,y=1201x-0286,p<0001) was observed between the left ventricular enddiastolic pressures by the two techniques,there was a high correlation(r=095,y=0901x+0154,p<0001)between left atrial and mean pulmonary artery wedge pressures. Conclusion:The continuouswave Dopplerecho provides a new way for noninvasive measurement of leftside intracardiac pressures by accurately measuring the pressure gradient of leftside valvular regurgitation.
出处
《中国循环杂志》
CSCD
北大核心
1998年第1期25-26,共2页
Chinese Circulation Journal
