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- Title
Reduced Peak Atrial Systolic Mitral Annular Velocity Predicts the Development of Nonvalvular Atrial Fibrillation.
- Authors
Jin-Oh Choi; Hyejin Han; Soo Jin Cho; Ji Hyun Yang; Bong Gun Song; Sang Yeub Lee; Jung Hyuk Kim; Sang-Chol Lee; Young Keun On; Jun Soo Kim; Seung Woo Park
- Abstract
We investigated whether the echocardiographic parameters of the left atrium (LA) can predict the development of nonvalvular atrial fibrillation (AF). Among 14,062 patients (> 20 years old) who underwent an echocardiographic examination were evaluated, 2,606 patients who underwent follow-up ECG with an interval of > 6 months were investigated. Newly developed AF was noted in 42 (1.6%) patients with follow-up duration of 31.8 ± 8.9 months. Cox regression analysis revealed that a higher left atrial volume index (hazard ratio [HR]= 1.06; 95% confidence interval [CI] 1.03–1.09, P < 0.001), relative wall thickness (RWT) of≥ 0.407 (HR= 2.74, 95% CI 1.39–5.41, P= 0.004), a reduced peak atrial systolic mitral annular velocity (HR= 0.845, 95% CI 0.72–0.99, P= 0.037), and an advanced age (HR= 1.04, 95% CI 1.01–1.07, P= 0.009) were independently related to the development of nonvalvular AF. Therefore, reduced A′ , which is parameter of LA contractile function, might be an important predictor for the development of nonvalvular AF.
- Subjects
ECHOCARDIOGRAPHY; ATRIAL fibrillation; MEDICAL technology; DIAGNOSTIC ultrasonic imaging; MEDICAL equipment; REGRESSION analysis
- Publication
Echocardiography, 2009, Vol 26, Issue 6, p645
- ISSN
0742-2822
- Publication type
Article
- DOI
10.1111/j.1540-8175.2008.00858.x