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Rev. argent. cardiol ; 89(2): 140-144, abr. 2021. tab
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1356861

RESUMO

RESUMEN Introducción: Las bradiarritmias persistentes que requieren el implante de un marcapasos definitivo son una complicación frecuente tras el implante valvular aórtico percutáneo (IVAP), pero un implante alto con técnica Cusp-Overlap podría evitar las alteraciones del sistema de conducción. Objetivo: El objetivo fue determinar la tasa de uso de marcapasos en pacientes que recibieron IVAP con la técnica convencional coplanar en comparación con Cusp-Overlap. Material y métodos: Entre 2017 y 2019 se analizaron 65 pacientes consecutivos de dos centros, que recibieron válvulas EvolutR o Evolut-Pro: 50 implante coplanar y 15 Cusp-Overlap. Resultados: La edad promedio era 80 años y no hubo diferencias en el riesgo por puntaje EuroSCORE. Los procedimientos con la técnica de Cusp-Overlap presentaron 0% de requerimiento de marcapasos en comparación con 24,9% en el implante convencional (p = 0,041). También hubo menos complicaciones mayores (6,67% vs 42%; OR = 0,09; IC 95% 0,01-0,8; p = 0,011). Conclusiones: En esta cohorte el IVAP con la técnica de Cusp-Overlap se asoció con una necesidad de marcapasos nula. Dado el potencial impacto a gran escala se necesita validar externamente los resultados obtenidos.


ABSTRACT Background: Persistent bradyarrhythmias requiring permanent pacemaker implantation are a common complication after transcatheter aortic valve implantation (TAVI), but high implantation with cusp-overlap technique could prevent conduction system disturbances. Objective: The aim of this study was to assess the rate of pacemaker use in patients who received TAVI with conventional coplanar technique compared with cusp-overlap technique. Methods: A total of 65 consecutive patients from two centers receiving Evolut-R or Evolut-Pro valve implantation, 50 coplanar and 15 cusp-overlap, were analyzed between 2017 and 2019. Results: Mean age was 80 years, and there were no differences in risk according to the EuroSCORE. The rate of pacemaker requirement was 0% in cusp-overlap procedures compared with 24.9% in those with conventional implantation; p=0.041). In addition, cusp-overlap implants presented lower rate of major complications (6.67% vs. 42%; OR=0.09; 95% CI 0.01-0.8; p=0.011). Conclusions: In this cohort, TAVI procedure with cusp-overlap technique was associated with null pacemaker requirement. Given the potential large-scale impact, external validation of results is needed.

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