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Archivos de cardiología de México
versão On-line ISSN 1665-1731versão impressa ISSN 1405-9940
Resumo
CUSTODIO-SANCHEZ, Piero et al. Transcatheter closure of paravalvular leaks: short- and medium-term outcomes. Arch. Cardiol. Méx. [online]. 2020, vol.90, n.2, pp.108-115. Epub 23-Out-2020. ISSN 1665-1731. https://doi.org/10.24875/acme.m20000103.
Background:
Paravalvular leak (PVL) is a frequent and important complication after surgical valvular replacement that can cause heart failure and hemolytic anemia and is associated with poor clinical outcomes. Surgical reoperation has been the standard treatment, but it is associated with high morbidity and mortality. Transcatheter closure is a therapeutic alternative. The aim of the present study is to analyze the feasibility and the short- and medium-term outcomes of the transcatheter closure of PVLs.
Methods:
Single-center registry of consecutive patients with post-surgical PVLs that underwent transcatheter closure, between January 2006 and December 2016. Efficacy and safety results were analyzed during the procedure and at 6-month follow-up.
Results:
Twenty-one PVLs (15 mitral, 5 aortic, and 1 tricuspid) were closure during 20 procedures. In the initial echocardiography, 91% of the leaks were severe. The most used device was the Amplatzer Vascular Plug III® in 10 procedures (50%). The three-dimensional transesophageal echocardiography was used in 70% of cases. The device was successfully implanted in 95% of cases, a regurgitation reduction ≥ 1 grade was achieved in 95% of the cases, and the clinical success was 79%. Six-month survival was 100%; however, three cases required valvular surgery (15%).
Conclusions:
Transcatheter closure of PVLs is a feasible and safe procedure with high rates of technical, echocardiographic, and clinical success in the short and medium term. It is an adequate therapeutic alternative, mainly in high surgical risk patients and multiples comorbidities.
Palavras-chave : Paravalvular leak; Transcatheter closure; Results.