Predictors of Atrial Arrhythmia Recurrence after Catheter Ablation: Socioeconomic Impact in Low to Middle-Income Countries

To the Editor,

We read with great interest the article by Ternes et al., recently published in the Arquivos Brasileiros de Cardiologia, with its accompanying insightful editorial.^, This multicentre prospective cohort study of consecutive patients across three centres in Brazil provided valuable insights into the predictors of atrial arrhythmia recurrence following first-time catheter ablation. It highlighted its clinical setting in a middle-income country and reported outcomes similar to those in high-income countries. However, the results must be interpreted cautiously, and some points merit further discussion.

[…]