Circulation. Cardiovascular imaging
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Circ Cardiovasc Imaging · Sep 2012
Randomized Controlled TrialGlobal strain in severe aortic valve stenosis: relation to clinical outcome after aortic valve replacement.
Global longitudinal systolic strain (GLS) is often reduced in aortic stenosis despite normal ejection fraction. The importance of reduced preoperative GLS on long-term outcome after aortic valve replacement is unknown. ⋯ In patients with symptomatic severe aortic stenosis undergoing aortic valve replacement, reduced GLS provides important prognostic information beyond standard risk factors.