• Catheter Cardiovasc Interv · Jun 2021

    Transcatheter valve-in-valve implantation versus surgical redo aortic root replacement in patients with degenerated freestyle aortic bioprosthesis.

    • Andrijana Vukadinovikj, Eva Baumgártner, Katja Bohmann, Denise Härter, Gerhard Wimmer-Greinecker, and Christof Burgdorf.
    • Klinik für Kardiologie, Herz- und Gefäßzentrum Bad Bevensen, Bad Bevensen, Germany.
    • Catheter Cardiovasc Interv. 2021 Jun 1; 97 (7): 1472-1478.

    BackgroundTranscatheter aortic valve-in-valve implantation (ViV TAVI) represents a new treatment option for patients with degenerated aortic bioprosthesis. Comparative data to redo surgical aortic valve replacement (redo SAVR) are limited.ObjectiveWe investigated feasibility and outcome of ViV TAVI versus redo SAVR in patients with symptomatic degenerated Medtronic Freestyle aortic bioprosthesis (FSB).MethodsBetween January 2002 and February 2020, 25 patients with failed FSB underwent ViV TAVI and 10 patients with failed FSB underwent redo SAVR. Endpoints were defined according to the Valve Academic Research Consortium-2 (VARC-2) criteria.ResultsAge and logistic EuroSCORE II were higher in patients with ViV TAVI (75.4 ± 1.7 vs. 62.9 ± 5.1 years, p = .019; 11.5 ± 1.6 vs. 5.6 ± 5.6%, p = .007). Valve implantation was successful in all cases. Mean transvalvular pressure gradients were significantly lower in patients with redo SAVR than ViV TAVI (7.6 ± 1.0 vs. 10.3 ± 0.8 mmHg, p = .037). Aortic valve regurgitation was absent in 91% and 100% of patients with ViV TAVI and redo SAVR, respectively. Thirty-day mortality rates were 12% in the ViV TAVI cohort versus 0% in the redo SAVR cohort (p = .542). Within the first year after hospital discharge, one patient after ViV TAVI had redo surgical intervention.ConclusionsViV TAVI and redo SAVR lead to excellent functional results in patients with degenerated FSB. Post-procedural early complications must be considered particularly in patients with ViV TAVI because of higher clinical risk profiles.© 2021 Wiley Periodicals LLC.

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