20 years of experience with the Fontan procedure: Risk factors for adverse outcomes Tianyu Chen; Linjiang Han; Hailong Qiu; Zewen Chen; Jianzheng Cen; Shusheng Wen; Jimei Chen; Xiaobing Liu; Jian Zhuang;

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;

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