ABC | Volume 114, Nº4, April 2020

Arquivos Brasileiros de Cardiologia - Volume 114, Nº 4, April 2020 Contents Editorial COVID-19 and the Heart Tânia Mara Varejão Strabelli and David Everson Uip .....................................................................................................................................................................page 598 Physically active lifestyle as an approach to confronting COVID-19 Maycon Junior Ferreira, Maria Cláudia Irigoyen, Fernanda Consolim-Colombo, José Francisco Saraiva, Kátia De Angelis .....................................................................................................................................................................page 601 Original Article Analysis of >100,000 Cardiovascular Surgeries Performed at the Heart Institute and a New Era of Outcomes Omar A.V. Mejia, Luiz Augusto Ferreira Lisboa, Luiz Fernando Caneo, Elisandra Trevisan Arita, Carlos Manuel de Almeida Brandão, Ricardo Ribeiro Dias, Roberto Costa, Marcelo Biscegli Jatene, Pablo Maria Alberto Pomerantzeff, Luís Alberto Oliveira Dallan, Fabio Biscegli Jatene .....................................................................................................................................................................page 603 Short Editorial How Do We Know a Change is an Improvement? The (Not So) New Scientific Knowledge Every Physician Should Learn, Master and Lead Alexandre Siciliano Colafranceschi .....................................................................................................................................................................page 613 Original Article Ser49Gly Beta1-Adrenergic Receptor Genetic Polymorphism as a Death Predictor in Brazilian Patients with Heart Failure Felipe Neves Albuquerque, Andrea A. Brandão, Dayse Aparecida Silva, Ricardo Mourilhe Rocha, Marcelo Imbroinise Bittencourt, Ana Ferreira Sales, Pedro Pimenta de Mello Spineti, Gustavo Salgado Duque, Lucas Rangel de Souza Azevedo, Roberto Pozzan, Bernardo Rangel Tura, Denilson Campos de Albuquerque .....................................................................................................................................................................page 616 Short Editorial Short Editorial: Ser49Gly Beta1-adrenergic Receptor Genetic Polymorphism as a Death Predictor in Brazilian Patients with Heart Failure Antonio Carlos Pereira-Barretto .....................................................................................................................................................................page 625 JOURNAL OF BRAZILIAN SOCIETY OF CARDIOLOGY - Published since 1943 ABC Cardiol Journal of Brazilian Society of Cardiology