摘要
The left atrium (LA) has been recognized as a morphophysiological barometer of left ventricular (LV) diastolic dysfunction. Because in the myocardial ischemia cascade where LV diastolic dysfunction often precedes LV systolic dysfunction, the LA which fashions as an early marker of diastolic anomaly, could equally reflect a declining LV function and/or be a good predictor of potential sequelae. We assessed this association of LA function with reduced LV systolic function among hospitalized patients. Among patients with reduced LV ejection fraction, LA passive ejection fraction was lower (0.172 ± 0.12 vs. 0.232 ± 0.14, p = 0.013) whereas LA kinetic energy was higher (6.48 ± 6.3 vs. 4.57 ± 3.5, p = 0.005). Echocardiographic assessment of LA function, therefore, appears correlated with LVEF and could be important when risk stratifying hospitalized patients.
The left atrium (LA) has been recognized as a morphophysiological barometer of left ventricular (LV) diastolic dysfunction. Because in the myocardial ischemia cascade where LV diastolic dysfunction often precedes LV systolic dysfunction, the LA which fashions as an early marker of diastolic anomaly, could equally reflect a declining LV function and/or be a good predictor of potential sequelae. We assessed this association of LA function with reduced LV systolic function among hospitalized patients. Among patients with reduced LV ejection fraction, LA passive ejection fraction was lower (0.172 ± 0.12 vs. 0.232 ± 0.14, p = 0.013) whereas LA kinetic energy was higher (6.48 ± 6.3 vs. 4.57 ± 3.5, p = 0.005). Echocardiographic assessment of LA function, therefore, appears correlated with LVEF and could be important when risk stratifying hospitalized patients.
作者
Vignendra Ariyarajah
Hiten Patel
Atif Shaikh
Khurram Liaqat
Sirin Apiyasawat
Vignendra Ariyarajah;Hiten Patel;Atif Shaikh;Khurram Liaqat;Sirin Apiyasawat(Department of Medicine, Heart Care Consultants, New York, USA;Division of Cardiology, The Brooklyn Hospital Center, New York, USA;Southeastern Cardiology and Cardiovascular Clinic, Lumberton, North Carolina, USA;Cardiology Consultants of Philadelphia, Limerick, Pennsylvania, USA;Comanche County Memorial Hospital, Lawton, Oklahoma, USA;Division of Cardiology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand)
