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INTRODUCTION AND OBJECTIVES: This article reports the results of the 2020 Spanish Catheter Ablation Registry, a year marked by the SARS-CoV-2 pandemic. METHODS: Data were collected retrospectively through completion and return of a specific form by the participating centers. RESULTS: Data from 97 centers (67 public, 30 private) were analyzed. A total of 15 169 ablation procedures were reported with a mean of 155 ± 117 and a median [interquartile range] of 115 [62-227]. Because of the SARS-CoV-2 pandemic, both procedures and participating centers markedly decreased (-3380 procedures, -18%) and there were 5 centers less than in 2019. The most common procedure continued to be atrial fibrillation ablation (4513; 30%), well ahead of the remaining substrates, followed by ablation of the cavotricuspid isthmus (3188; 21%), and intranodal re-entry tachycardia (2808; 18%). Ablation of these 3 substrates continued to form the bulk of the procedures. The total success rate was slightly lower than in previous years (88%) with a similar complication rate (n = 309; 2%) and mortality (n = 7; 0.04%). A total of 243 procedures were performed in pediatric patients (1.6%). CONCLUSIONS: The Spanish Catheter Ablation Registry systematically and continuously reflects the national trajectory, which, in 2020, was markedly affected by the SARS-CoV-2 pandemic. Although slightly lower than in previous years, the success rate remained high, with a low complication rate.

Introduction and objectives: This article reports the results of the 2020 Spanish Catheter Ablation Registry, a year marked by the SARS-CoV-2 pandemic. Methods: Data were collected retrospectively through completion and return of a specific form by the participating centers. Results: Data from 97 centers (67 public, 30 private) were analyzed. A total of 15 169 ablation procedures were reported with a mean of 155 117 and a median [interquartile range] of 115 [62-227]. Because of the SARS-CoV-2 pandemic, both procedures and participating centers markedly decreased ( 3380 procedures, 18%) and there were 5 centers less than in 2019. The most common procedure continued to be atrial fibrillation ablation (4513; 30%), well ahead of the remaining substrates, followed by ablation of the cavotricuspid isthmus (3188; 21%), and intranodal re-entry tachycardia (2808; 18%). Ablation of these 3 substrates continued to form the bulk of the procedures. The total success rate was slightly lower than in previous years (88%) with a similar complication rate (n = 309; 2%) and mortality (n = 7; 0.04%). A total of 243 procedures were performed in pediatric patients (1.6%).Conclusions: The Spanish Catheter Ablation Registry systematically and continuously reflects the national trajectory, which, in 2020, was markedly affected by the SARS-CoV-2 pandemic. Although slightly lower than in previous years, the success rate remained high, with a low complication rate. C 2021 Sociedad Espan ̃ola de Cardiologı ́a. Published by Elsevier Espan ̃a, S.L.U. All rights reserved. Introducción y objetivos Se describen los resultados del Registro Español de Ablación con Catéter de 2020, año marcado por la pandemia por SARS-CoV-2. Métodos La recogida de datos fue restrospectiva mediante la cumplimentación y envío de un formulario específico por los centros participantes. Resultados Se analizaron los datos de 97 centros (67 públicos, 30 privados). Se comunicaron 15.169 procedimientos de ablación (media, 155 ± 117; mediana, 115 [62-227]). La pandemia de SARS-CoV-2 ha condicionado una disminución notable tanto de los procedimientos (–3.380 casos, –18%) como de los centros participantes (5 menos que en 2019). La ablación de FA sigue siendo el procedimiento más frecuente (4.513; 30%), a distancia de los demás sustratos; junto con la ablación del ICT (3.188; 21%) y la taquicardia por reentrada intranodular (2.808; 18%), son los 3 sustratos más abordados. La tasa total de éxito reportada es discretamente inferior a las de años previos (88%), con similares tasas de complicaciones (309; 2%) y mortalidad (7; 0,04%). Se realizaron 243 procedimientos en pacientes pediátricos (1,6%). Conclusiones El Registro Español de Ablación con Catéter recoge de manera sistemática e ininterrumpida la trayectoria nacional, que este año se ha visto notablemente marcada por la pandemia por SARS-CoV-2. Aunque discretamente inferior a las años previos, la tasa de éxito sigue siendo alta, con una baja tasa de complicaciones.