ABC | Volume 115, Nº1, July 2020

Arquivos Brasileiros de Cardiologia - Volume 115, Nº 1, July 2020 Short Editorial Short Editorial: Clinical Characteristics of Resistant vs. Refractory Hypertension in a Population of Hypertensive Afro-descendants Rui Póvoa ........................................................................................................................................................ page 40 Original Article Hypertensive Measures In Schoolchildren: Risk Of Central Obesity And Protective Effect Of Moderate-To-Vigorous Physical Activity Tatiana Affornali Tozo, Beatriz Oliveira Pereira, Francisco José de Menezes Junior, Cristianne Morgado Montenegro, Carla Marisa Maia Moreira, Neiva Leite, ........................................................................................................................................................ page 42 Short Editorial Physical Activity in the Present Can Be the Recipe to Avoid the Ills of Obesity and Hypertension in the Future Roberto Jorge da Silva Franco ........................................................................................................................................................ page 50 Original Article Family History of Hypertension Impairs the Autonomic Balance, but not the Endothelial Function, in Young Soccer Players Walter Vargas and Katya Rigatto ........................................................................................................................................................ page 52 Short Editorial Heart Rate Variability as an Indicator of Cardiovascular Risk in Young Individuals Breno Quintella Farah ........................................................................................................................................................................................page 59 Original Article Decreased Collagen Type I Is Associated With Increased Metalloproteinase-2 Activity And Protein Expression Of Leptin In The Myocardium Of Obese Rats Danielle Cristina Tomaz da Silva-Bertani, Danielle Fernandes Vileigas, Gustavo Augusto Ferreira Mota, Sérgio Luiz Borges de Souza, Loreta Casquel De Tomasi, Dijon Henrique Salomé de Campos, Adriana Fernandes de Deus, Paula Paccielli Freire, Carlos Augusto Barnabe Alves, Carlos Roberto Padovani, Antonio Carlos Cicogna ........................................................................................................................................................................................page 61 Original Article Assessing Dynamic Atrioventricular Conduction Time to RR-interval Coupling in Athletes and Sedentary Subjects Paulo Roberto Benchimol-Barbosa, Olivassé Nasario-Junior, Jurandir Nadal ........................................................................................................................................................................................page 71