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- W85002520 abstract "The aim of this study was to demonstrate the first-in-human feasibility and short-term clinical outcomes with a new balloon-expandable transcatheter heart valve (THV). The SAPIEN 3 (S3) THV incorporates a paravalvular sealing system, an active 3-dimensional coaxial positioning catheter, and is compatible with a 14-F expandable sheath. The S3 THV was implanted in 15 patients with symptomatic severe aortic stenosis via femoral arterial access. Multidetector computed tomography before and after valve implantation allowed assessment of a novel annular area sizing algorithm. Clinical and echocardiographic data were obtained at baseline, discharge, and 30 days. All 15 device implants were successful. Multidetector computed tomography estimated an aortic annular area of 4.9 ± 0.4 cm2, predicting 9.7 ± 6.9% THV oversizing. Post-transcatheter aortic valve replacement multidetector computed tomography showed consistently symmetrical and circular THVs. Aortic valve area increased from 0.7 ± 0.2 cm2 to 1.5 ± 0.2 cm2 (p < 0.001), and mean transaortic gradient decreased from 42.2 ± 10.3 mm Hg to 11.9 ± 5.3 mm Hg (p < 0.001). No patient had more than mild paravalvular aortic regurgitation. Hospital discharge occurred at a median of 3 (range 2 to 12) hospital days. At 30 days there were no deaths, strokes, vascular complications, bleeds, or transfusions, although 1 patient (6.7%) required a new pacemaker. All patients were in New York Heart Association functional class I or II. The S3 THV and delivery system might facilitate fully percutaneous implantation in a broader range of patients with the potential for more accurate positioning and less paravalvular regurgitation." @default.
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- W85002520 date "2013-03-01" @default.
- W85002520 modified "2023-10-17" @default.
- W85002520 title "Transcatheter Aortic Valve Replacement With the SAPIEN 3" @default.
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- W85002520 doi "https://doi.org/10.1016/j.jcin.2012.09.019" @default.
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