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Atrioventricular Conduction System Disorders and Potential Risks of Arrhythmic Events in Endurance Athletes
Conclusion In elite runners, AVCT to RR -interval dynamic coupling shows spontaneous discordant AV conduction, characterized by negative AVCT vs. RR -interval regression line slope. RR -intervals standard deviation and AVCT vs. RR -interval regression line slope are independent explanatory variables of MET (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - August 19, 2020 Category: Cardiology Source Type: research

Erratum
Conclusion In elite runners, AVCT to RR -interval dynamic coupling shows spontaneous discordant AV conduction, characterized by negative AVCT vs. RR -interval regression line slope. RR -intervals standard deviation and AVCT vs. RR -interval regression line slope are independent explanatory variables of MET (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - August 13, 2020 Category: Cardiology Source Type: research

Assessing Dynamic Atrioventricular Conduction Time to RR-interval Coupling in Athletes and Sedentary Subjects
Conclusion In elite runners, AVCT to RR -interval dynamic coupling shows spontaneous discordant AV conduction, characterized by negative AVCT vs. RR -interval regression line slope. RR -intervals standard deviation and AVCT vs. RR -interval regression line slope are independent explanatory variables of MET (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - August 13, 2020 Category: Cardiology Source Type: research

Decreased Collagen Type I is Associated with Increased Metalloproteinase-2 Activity and Protein Expression of Leptin in the Myocardium of Obese Rats
Conclusion The hypothesis was confirmed; the reduction in collagen type I is associated with increased MMP-2 activity and leptin expression in the myocardium of obese rats. (Arq Bras Cardiol. 2020; 115(1):61-70) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - August 13, 2020 Category: Cardiology Source Type: research

Heart Rate Variability as an Indicator of Cardiovascular Risk in Young Individuals
Conclusions In young male soccer players, the FHH plays a potentially role in autonomic balance impairment, especially when both parents are hypertensive, but present no changes in VO2maxand FMD. In this case, there is a decrease in the sympathetic-vagal control, which seems to precede the endothelial damage (Arq Bras Cardiol. 2020; 115(1):52-58) (Source: Arquivos Brasileiros de Cardiologia)
Source: Arquivos Brasileiros de Cardiologia - August 13, 2020 Category: Cardiology Source Type: research