Key result
Integrated MDCT and echo reclassifies MR severity in ~24% of TAVI patients versus echo alone.
Why the study?
Quantitative grading of mitral regurgitation severity remains challenging, motivating evaluation of integrated echocardiography and computed tomography imaging.
Does an integrated imaging parameter combining MDCT and echocardiography improve the grading of mitral regurgitation severity compared to echocardiography alone in patients undergoing TAVI?
Population
73 patients with MR undergoing transcatheter aortic valve implantation
Comparison
Integrated MDCT mitral ROA with echocardiographic flow data vs echocardiography alone
Design
Observational study
Authors
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May reclassify MR severity in ~24% of TAVI patients; leaves open whether integrated RVol improves outcome prediction over echocardiography alone.
Observational (n=73)
Does an integrated imaging parameter combining MDCT and echocardiography improve the grading of mitral regurgitation severity compared to echocardiography alone in patients undergoing TAVI?
Integrating MDCT and echocardiography for grading mitral regurgitation severity leads to significant reclassification of MR grade in patients undergoing TAVI.
Rosendael et al. (2016) conducted an observational in Mitral regurgitation and severe aortic stenosis (n=73). Integrated imaging of echocardiography and computed tomography vs. Echocardiography was evaluated on Reclassification of mitral regurgitation severity. Grading mitral regurgitation severity using integrated MDCT and echocardiography reclassified 10% of TAVI patients from severe to non-severe and 14% from non-severe to severe compared with echo.
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