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Predictors of left ventricular performance after valve replacement in children and adolescents with chronic aortic regurgitation
Authors
P.N. Davari
A. Shahmohammadi
R.I. Tafreshi
Publication date
1 January 2005
Publisher
Abstract
Aortic valve replacement has been recommended in patients who have severe symptoms, in patients with extreme left ventricle (LV) dilatation (end diastolic dimension >4 SD above normal) or LV ejection fraction 4 SD above normal (p < 0.05) were predictors of persistent LV dysfunction. Extreme LV dilatation (p < 0.0003), LV end systolic dimension (p < 0.0007), and reduced LV ejection fraction (p < 0.01) predicted persistent LV dilatation. In the setting of chronic AR, preoperative symptoms, LV systolic function, and LV internal dimensions are the main predictors for persistent LV dysfunction and dilatation. Surgical correction should be performed before LV systolic dysfunction and/or extreme LV enlargement occurs. © Springer Science+Business Media, Inc. 2005
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eprints Iran University of Medical Sciences
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oai:eprints.iums.ac.ir:12136
Last time updated on 10/10/2019