Comparison of usefulness of echocardiographic Doppler variables to left ventricular end-diastolic pressure in predicting future heart failure events

The American Journal of Cardiology
Hsin-Yueh LiangTheodore P Abraham

Abstract

We sought to determine whether the echocardiographic Doppler parameters of left ventricular diastolic dysfunction predict future heart failure (HF) events and, if so, which parameters best predict HF. We also examined whether the predictive ability of echocardiographic Doppler parameters was related to their prediction of left ventricular end-diastolic pressure (LVEDP). We studied patients who underwent cardiac catheterization and echocardiography performed within a 30-day period. The end point was HF, defined as new-onset or recurrent HF diagnosed by a physician and requiring the initiation or modification of treatment of HF. We identified 289 patients (mean age 63.5 +/- 12.6 years) with a mean follow-up of 10.9 +/- 10.2 months. A total of 24 HF events occurred. LVEDP was a significant predictor of HF univariately and independently in multiple regression models after adjustment for ejection fraction. In Cox models adjusted for age, gender, LVEDP, and ejection fraction, only the left atrial volume index and early mitral inflow to early diastolic tissue velocity (E/e') ratio remained predictive of HF. A multiple regression model, including all echocardiographic variables, showed a persistent, although attenuated, relation of ear...Continue Reading

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