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Title: | Comparison of Self-Expanding Bioprostheses for Transcatheter Aortic Valve Replacement in Patients With Symptomatic Severe Aortic Stenosis | Authors: | Tamburino, Corrado Bleiziffer, Sabine Thiele, Holger Scholtz, Smita Hildick-Smith, David Cunnington, Michael Wolf, Alexander Barbanti, Marco Tchetche, Didier Garot, Philippe Pagnotta, Paolo Gilard, Martine Bedogni, Francesco Van Belle, Eric Vasa-Nicotera, Mariuca Chieffo, Alaide Deutsch, Oliver Kempfert, Jorg Sondergaard, Lars Butter, Christian Trillo-Nouche, Ramiro Lotfi, Shahram Mollmann, Helge Joner, Michael Abdel-Wahab, Mohamed BOGAERTS, Kris Hengstenberg, Christian Capodanno, Davide |
Issue Date: | 2020 | Publisher: | LIPPINCOTT WILLIAMS & WILKINS | Source: | CIRCULATION, 142 (25) , p. 2431 -2442 | Abstract: | BACKGROUND: Few randomized trials have compared bioprostheses for transcatheter aortic valve replacement, and no trials have compared bioprostheses with supra-annular design. The SCOPE 2 trial (Safety and Efficacy Comparison of Two TAVI Systems in a Prospective Randomized Evaluation 2) was designed to compare the clinical outcomes of the ACURATE neo and CoreValve Evolut bioprostheses for transcatheter aortic valve replacement. METHODS: SCOPE 2 was a randomized trial performed at 23 centers in 6 countries between April 2017 and April 2019. Patients >= 75 years old with an indication for transfemoral transcatheter aortic valve replacement as agreed by the heart team were randomly assigned to receive treatment with either the ACURATE neo (n=398) or the CoreValve Evolut bioprostheses (n=398). The primary end point, powered for noninferiority of the ACURATE neo bioprosthesis, was all-cause death or stroke at 1 year. The key secondary end point, powered for superiority of the ACURATE neo bioprosthesis, was new permanent pacemaker implantation at 30 days. RESULTS: Among 796 randomized patients (mean age, 83.2 +/- 4.3 years; mean Society of Thoracic Surgeons Predicted Risk of Mortality score, 4.6 +/- 2.9%), clinical follow-up information was available for 778 (98%) patients. Within 1 year, the primary end point occurred in 15.8% of patients in the ACURATE neo group and in 13.9% of patients in the CoreValve Evolut group (absolute risk difference, 1.8%, upper 1-sided 95% confidence limit, 6.1%; P=0.0549 for noninferiority). The 30-day rates of new permanent pacemaker implantation were 10.5% in the ACURATE neo group and 18.0% in the CoreValve Evolut group (absolute risk difference, -7.5% [95% CI, -12.4 to -2.60]; P=0.0027). No significant differences were observed in the components of the primary end point. Cardiac death at 30 days (2.8% versus 0.8%; P=0.03) and 1 year (8.4% versus 3.9%; P=0.01), and moderate or severe aortic regurgitation at 30 days (10% versus 3%; P=0.002) were significantly increased in the ACURATE neo group. CONCLUSIONS: Transfemoral transcatheter aortic valve replacement with the self-expanding ACURATE neo did not meet noninferiority compared with the self-expanding CoreValve Evolut in terms of all-cause death or stroke at 1 year, and it was associated with a lower incidence of new permanent pacemaker implantation. In secondary analyses, the ACURATE neo was associated with more moderate or severe aortic regurgitation at 30 days and cardiac death at 30 days and 1 year. REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT03192813. | Notes: | Capodanno, D (corresponding author), Univ Catania, Dept Gen Surg & Med Surg Subspecialties, I-95124 Catania, Italy. dcapodanno@unict.it |
Other: | Capodanno, D (corresponding author), Univ Catania, Dept Gen Surg & Med Surg Subspecialties, I-95124 Catania, Italy. dcapodanno@unict.it | Keywords: | ACURATE neo;bioprosthesis;CoreValve Evolut;randomized clinical trial;supra-annular;TAVI;TAVR | Document URI: | http://hdl.handle.net/1942/33487 | ISSN: | 0009-7322 | e-ISSN: | 1524-4539 | DOI: | 10.1161/CIRCULATIONAHA.120.051547 | ISI #: | WOS:000602687700014 | Rights: | 2020 American Heart Association, Inc. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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Comparison of Self-Expanding Bioprostheses for Transcatheter Aortic Valve Replacement in Patients With Symptomatic Severe Aortic Stenosis_SCOPE 2 Randomized Clinical Trial.pdf | Published version | 1.45 MB | Adobe PDF | View/Open |
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