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  • Title: Percutaneous paravalvular leak closure after transcatheter aortic valve implantation: the international PLUGinTAVI Registry.
    Author: Flores-Umanzor E, Nogic J, Cepas-Guillén P, Hascoet S, Pysz P, Baz JA, Cruz-González I, Amat-Santos IJ, Antúnez-Muiños P, González JC, Ruíz-Quevedo V, Estevez-Loureiro R, Gerardin B, Millan X, Santaló-Corcoy M, Regueiro A, Ibrahim R, Arzamendi D, Onorato EM, Rodés-Cabau J, Horlick E, Calvert PA, Freixa X.
    Journal: EuroIntervention; 2023 Aug 07; 19(5):e442-e449. PubMed ID: 37128805.
    Abstract:
    BACKGROUND: Data regarding the safety and long-term effectiveness of percutaneous closure of paravalvular leak (PVL) after transcatheter aortic valve implantation (TAVI) are scarce. AIMS: This study aims to present a large multicentre international experience of percutaneous post-TAVI PVL closure. METHODS: All patients who underwent percutaneous post-TAVI PVL closure in 14 hospitals across Europe and North America between January 2018 and October 2022 were included. RESULTS: Overall, 45 patients (64% male) were enrolled. The median age was 80 years (75-84). Among them, 67% and 33% had self-expanding and balloon-expandable valve implantations, respectively. Baseline post-TAVI PVL was severe in 67% of cases and moderate in the rest. The time from index TAVI to PVL closure procedure was 16.1 (8.7-34.8) months. Most patients were in NYHA Class III and IV (73%) before the procedure, and 40% had referred hospitalisations for heart failure between TAVI and the PVL closure procedure. Successful PVL closure was achieved in 94%, reducing regurgitation to ≤mild in 91% and moderate in the rest. The Amplatzer Valvular Plug III was the most frequently used device (27 cases), followed by the Amplatzer Valvular Plug 4. The incidence of severe adverse events was 11%. None of the patients died during the index hospitalisation. During long-term follow-up (21.7±16.2 months), the all-cause mortality rate was 14%, and patients presented improvement in functional status and a significant reduction in the rate of hospitalisation for heart failure (from 40% to 6%). CONCLUSIONS: Percutaneous PVL closure is a feasible and safe option for treating post-TAVI leaks. Successful PVL reduction to mild or less could be associated with acute and long-lasting improvements in clinical outcomes.
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