Reproducibility and validity of the Portuguese Edmonton Frail Scale version in cardiac surgery patients Maria de Lurdes Castro; Marta Alves; Ana Martins; Ana Luísa Papoila; Maria-Amália Botelho; José Fragata;

Hemangioma of the mitral valve: Following the murmur Manuel Toscano; Ana Rafaela Alves; Carla Matias; Madalena Carvalho; Marta Marques;

Mechanical circulatory support in children: Strategies, challenges and future directions Susana Abreu; Catarina Brandão; Conceição Trigo; Rui Rodrigues; Fátima Pinto; José Fragata;