Imaging associations enhance the understanding of ECG abnormalities in male Brazilian football players: findings from the B-Pro Foot ECG study

To evaluate the prevalence of abnormal ECG findings and their association with imaging results in male Brazilian football players. The 'B-Pro Foot ECG' is a multicentre observational study conducted in 82 Brazilian professional clubs. It analysed 6125 players aged 15-35 years (2496 white,...

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Bibliographic Details
Published in:	British journal of sports medicine Vol. 58; no. 11; p. 598
Main Authors:	Ferrari, Filipe, da Silveira, Anderson D, Ziegelmann, Patrícia K, Aleixo, Haroldo, Dilda, Guilherme D, Emed, Luiz G M, Magalhães, Flávia C O, Cardoso, Fernando B, da Silva, Henrique C, Guerra, Felipe E F, Soares, Luciano G, Bassan, Fernando, Braga, Fabrício, Herdy, Artur H, Froelicher, Victor, Stein, Ricardo
Format:	Journal Article
Language:	English
Published:	England 01-06-2024
Subjects:	Adolescent Adult Brazil - epidemiology Echocardiography Electrocardiography Humans Magnetic Resonance Imaging Male Prevalence Soccer Young Adult Brazil Athletes
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Summary:	To evaluate the prevalence of abnormal ECG findings and their association with imaging results in male Brazilian football players. The 'B-Pro Foot ECG' is a multicentre observational study conducted in 82 Brazilian professional clubs. It analysed 6125 players aged 15-35 years (2496 white, 2004 mixed-race and 1625 black individuals) who underwent cardiovascular screening from 2002 to 2023. All ECGs were reviewed by two experienced cardiologists in the athlete's care. Those with abnormal findings underwent further investigations, including a transthoracic echocardiogram (TTE). Cardiac magnetic resonance (CMR) was subsequently performed based on TTE findings or clinical suspicion. In total, 180 (3%) players had abnormal ECGs and 176 (98%) showed normal TTE results. Athletes aged 26-35 years had a higher prevalence of abnormal ECGs than younger athletes (15-25 years). Black players had a higher prevalence of T-wave inversion (TWI) in the inferior leads than white players (2.6% vs 1.4%; p=0.005), as well as in V5 (2.9%) and V6 (2.1%) compared with white (1.2% and 1.0%; p<0.001) and mixed-race (1.5% and 1.2%; p<0.05) players, respectively. TTE parameters were similar across ethnicities. However, four out of 75 players with inferolateral TWI showed abnormal TTEs and CMR findings consistent with cardiomyopathies. CMR also showed cardiomyopathies or myocarditis in four players with inferolateral TWI and normal TTEs. In total, nine (0.1%) athletes were diagnosed with cardiac diseases and were followed for 40±30 months, with no cardiac events documented. This study found a 3% prevalence of abnormal ECGs in male Brazilian football players. Inferolateral TWI was associated with cardiac pathologies confirmed by CMR, even in athletes with a normal TTE.
ISSN:	1473-0480
DOI:	10.1136/bjsports-2023-108053