Clinical outcome of a single procedure cryoballoon ablation for the treatment of atrial fibrillation: A real-world multicenter experience in Portugal Pedro Silva Cunha; Paulo Fonseca; Sérgio Laranjo; Fernando Montenegro Sá; Bruno Tereno Valente; Guilherme Portugal; Helena Gonçalves; Manuel Nogueira da Silva; Luís Brandão; Mário Martins Oliveira; João Primo;

Efficacy of extended antrum ablation based on substrate mapping plus pulmonary vein isolation in the treatment of atrial fibrillation Lin Chen; Jian-Quan Chen; Tian Zou; Qian Chen; Liang-Hua Lian; Zhi-Ping Yang; Mei-Qiong Wu; Ya-Zhou Lin; Yi-Ming Peng; Wei Lin; Xue-Wen Liao; Qi-Lei Huang; Jian-Cheng Zhang;

Predictors of systolic function recovery after atrial fibrillation ablation in heart failure patients João Borges-Rosa; Pedro A. Sousa; Natália António; Luís Elvas; Lino Gonçalves;