Paravalvular leak closure: Still a challenge with unpredictable results Ana Galrinho; Luísa M. Branco; António Fiarresga; Duarte Cacela; Lídia Sousa; Ruben Ramos; Rui C. Ferreira;

Cardiac resynchronization system implantation guided by three-dimensional electroanatomic mapping Pedro Silva Cunha; Hélder Santos; Mário Martins Oliveira;

Convergent initiatives to change the current situation Rui Cruz Ferreira;