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- W2066371935 abstract "Feasibility of transcatheter aortic valve implantation (TAVI) is determined by the availability of appropriately sized aortic prosthesis. CoreValve 31mm (CRV31) was introduced about 2 years ago in order to allow treatment of some of the largest aortic annulus. However, the implantation of this large self-expanding prosthesis in a beating heart was anticipated to be more challenging than the others. We report our experience with CRV31 and compare its results with those of the smaller sized CoreValve prosthesis (23, 26, 29mm). Between March 2012 and April 2014, a total of 89 TAVI procedures were performed for symptomatic severe native aortic stenosis in our institution. CoreValve prosthesis was used as the sole device, and CRV31 was implanted in 21 patients (24%). Delivery catheter with AccuTrak stability layer was used in all procedures. Patients’ demographics, clinical characteristics, procedural data, and clinical outcomes were recorded prospectively in a registry. All endpoints were defined according to the Valve Academic Research Consortium-2 (VARC2) criteria. When compared with the smaller CoreValve prostheses, CRV31 implantation was associated with similar extent of paravalvular regurgitation, the depth of implant, and the rate of new pacemaker implantation. Device malposition occurred in 1 in each group. The rates of the composite endpoints in device success, early safety, and clinical efficacy as defined in VARC2 were similar between the 2 groups during follow-up. There was no valvular dysfunction during follow-up with CRV31. Similar to the CoreValve 23-29mm prostheses, implantation of CoreValve 31mm prosthesis was associated with high success rate, satisfactory hemodynamic and clinical results." @default.
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- W2066371935 date "2014-10-01" @default.
- W2066371935 modified "2023-09-27" @default.
- W2066371935 title "A SINGLE-CENTRE EXPERIENCE WITH THE COREVALVE 31MM PROSTHESIS IN TRANSCATHETER AORTIC VALVE IMPLANTATION" @default.
- W2066371935 doi "https://doi.org/10.1016/j.cjca.2014.07.203" @default.
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