Aortic Stenosis

Research from Kobe University Yields New Findings on Aortic Stenosis

Published in Cardiovascular Week, April 9th, 2012

2012 APR 9 -- "The purpose of this study was to investigate whether patients with severe aortic stenosis (AS) and preserved ejection fraction (EF) have dyssynchrony and whether it improves after aortic valve replacement (AVR). We studied 30 consecutive patients with severe AS and preserved EF undergoing AVR," scientists writing in the Circulation Journal report.

"For baseline comparison, we studied 17 EF-matched patients with mild-to-moderate AS, and 18 EF-matched normal volunteers. Longitudinal dyssynchrony was determined as the standard deviation for time-to-peak speckle-tracking strain in apical 4- and 2-chamber views at the basal- and mid-levels....

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Source: Cardiovascular Week (2012-04-09)

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