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- W2030515588 abstract "This prospective study was designed to evaluate the hemodynamic results of transcatheter aortic valve implantation (TAVI) with the CoreValve prosthesis (Medtronic, Minneapolis, Minnesota) and the effects on left ventricular function.From June 2008 to June 2009, consecutive patients with severe symptomatic aortic valve stenosis (aortic valve area <1 cm(2)) and the indication for TAVI were included. Aortic valve prosthesis was inserted retrograde. Examinations of study patients were performed before, 30 days, and 6 months after TAVI and comprised measurement of B-type natriuretic peptide and echocardiography. Severe prosthesis-patient mismatch was defined as an indexed effective aortic valve area < or =0.65 cm(2)/m(2).In 39 patients, follow-up examinations were performed after TAVI. Severe prosthesis-patient mismatch seldom occurred (n = 1), but mild to moderate aortic valve regurgitation due to paravalvular leaks was common (n = 24, 62%). After 6 months, left ventricular mass index declined (158 +/- 46 vs 138 +/- 45 g/m(2), P = .001), and peak early diastolic mitral annular velocity (E') and peak systolic mitral annular velocity (S') increased (P = .004 and P < .001, respectively). B-type natriuretic peptide levels decreased (744 +/- 708 at baseline vs 367 +/- 273 at 30 days, P = .003, 279 +/- 186 pg/mL at 6 months, P = .001). Left ventricular diameters and ejection fraction remained unchanged.Despite the high incidence of paravalvular regurgitation after TAVI, hemodynamic results were favorable. Furthermore, TAVI had positive effects on left ventricular remodeling and improved neurohormonal activity, myocardial hypertrophy, and diastolic function." @default.
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- W2030515588 date "2010-05-01" @default.
- W2030515588 modified "2023-10-18" @default.
- W2030515588 title "Hemodynamic results and changes in myocardial function after transcatheter aortic valve implantation" @default.
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- W2030515588 doi "https://doi.org/10.1016/j.ahj.2010.02.030" @default.
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