Why the study?
Standard parameters such as transvalvular pressure gradient or effective orifice area are not always sufficient for estimating aortic valve stenosis severity and prognosis.
Does transvalvular energy loss index (ELI) predict mortality better than effective orifice area (EOA) in patients with severe aortic stenosis undergoing reconstructive surgery?
Population
377 patients undergoing reconstructive surgery of AS using bovine/equine pericardium
Comparison
Transvalvular energy loss index vs standard echocardiographic parameters
Design
Follow-up trial
Authors
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May support ELI for postoperative risk stratification in severe AS; leaves open superiority to EOA and need for prospective validation.
Does transvalvular energy loss index (ELI) predict mortality better than effective orifice area (EOA) in patients with severe aortic stenosis undergoing reconstructive surgery?
Transvalvular energy loss index (ELI) provides a more accurate estimation of aortic stenosis severity and is a stronger independent predictor of postoperative mortality compared to standard effective orifice area.
Anguseva et al. (2020) studied this question.
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