Usefulness of Left Atrial Volume in Predicting First Congestive Heart Failure in Patients >65 Years of Age With Well-Preserved Left Ventricular Systolic Function

Published on Sep 15, 2005in American Journal of Cardiology2.57
· DOI :10.1016/J.AMJCARD.2005.05.031
Yasuhiko Takemoto20
Estimated H-index: 20
(OCU: Osaka City University),
Marion E. Barnes35
Estimated H-index: 35
+ 5 AuthorsTeresa S.M. Tsang56
Estimated H-index: 56
Left atrial (LA) volume is a barometer of diastolic dysfunction. Whether it predicts congestive heart failure (CHF) in patients with preserved left ventricular (LV) systolic function is not known. Olmsted County, Minnesota, residents aged ≥65 years referred for transthoracic echocardiography from 1990 to 1998, who were in sinus rhythm without a history of CHF were followed in the medical records to 2003 (mean follow-up duration 4.3 ± 2.7 years). Of the 1,495 patients identified, 1,375 (92%) with LV ejection fractions ≥50% (mean age 75 ± 7 years; 59% women) constituted the study population, 138 (10%) of whom developed CHF. Baseline LA volume ≥32 ml/m 2 was an independent predictor of first CHF (p 2 (p 37 ml/m 2 ) were 95%, 91%, and 83%, respectively (p
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