Alterations in echocardiographic and electrocardiographic features in Japanese professional soccer players

Comparison to African-Caucasian ethnicities

Gaëlle Kervio, Antonio Pelliccia, Junzo Nagashima, Mathew G. Wilson, Jean Gauthier, Masahiro Murayama, Laurent Uzan, Nathalie Ville, François Carré

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Background: Scarce data are available regarding the electrocardiographic (ECG) and echocardiographic changes in athletes of Asian origin. Design: We investigate the ECG and echocardiographic patterns in Japanese (J) compared with African-Caribbean (AC) and Caucasian (C) athletes. Methods: A total of 282 professional soccer players (68 J, 96 AC and 118 C) matched for age, gender, sport and level of achievement was examined. Results: ECGs were without alterations in 62% of J (versus 69% of C, non significant and 44% of AC, p<0.001). The most common alterations in J were sinus bradycardia (69%), incomplete right bundle branch block (RBBB; 43%), early repolarization (18%), isolated increase in R/S-wave (10%), Q-waves (9%). Remarkably, no J athlete showed deeply T-wave inversion, in contrast to 6% of AC (p<0.05). Occasionally, J showed J-point upward/domed ST-elevation with inverted/ biphasic T-wave (6% versus 16.5% in AC, p<0.01). J demonstrated larger left ventricular (LV) cavity compared with AC and C players (55.2±3.3 versus 52.2±3.8 and 53.9±3.7 mm, respectively, p<0.01), with an important subset (≥4%) presenting a markedly enlarged cavity (≥60 mm), in the presence of normal systolic/diastolic function and no segmental abnormalities. Therefore, J showed a more eccentric remodelling compared with AC and C (relative wall thickness: 0.31±0.05, 0.38±0.06 and 0.36±0.06, respectively, p<0.01). Conclusion: J players show the most eccentric LV remodelling compared with C and AC players. In association, certain training-related ECG patterns, i.e. sinus bradycardia and isolated increase in R/S-wave voltage, are present in a larger proportion of J players than previously described in C players. Conversely, no J athlete showed deeply T-wave inversion, as commonly found in AC and occasionally in C.

Original languageEnglish
Pages (from-to)881-888
Number of pages9
JournalEuropean Journal of Preventive Cardiology
Volume20
Issue number5
DOIs
Publication statusPublished - 2013
Externally publishedYes

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Soccer
Athletes
Bradycardia
Ventricular Remodeling
Bundle-Branch Block
Sports
Electrocardiography

Cite this

Kervio, Gaëlle ; Pelliccia, Antonio ; Nagashima, Junzo ; Wilson, Mathew G. ; Gauthier, Jean ; Murayama, Masahiro ; Uzan, Laurent ; Ville, Nathalie ; Carré, François. / Alterations in echocardiographic and electrocardiographic features in Japanese professional soccer players : Comparison to African-Caucasian ethnicities. In: European Journal of Preventive Cardiology. 2013 ; Vol. 20, No. 5. pp. 881-888.
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title = "Alterations in echocardiographic and electrocardiographic features in Japanese professional soccer players: Comparison to African-Caucasian ethnicities",
abstract = "Background: Scarce data are available regarding the electrocardiographic (ECG) and echocardiographic changes in athletes of Asian origin. Design: We investigate the ECG and echocardiographic patterns in Japanese (J) compared with African-Caribbean (AC) and Caucasian (C) athletes. Methods: A total of 282 professional soccer players (68 J, 96 AC and 118 C) matched for age, gender, sport and level of achievement was examined. Results: ECGs were without alterations in 62{\%} of J (versus 69{\%} of C, non significant and 44{\%} of AC, p<0.001). The most common alterations in J were sinus bradycardia (69{\%}), incomplete right bundle branch block (RBBB; 43{\%}), early repolarization (18{\%}), isolated increase in R/S-wave (10{\%}), Q-waves (9{\%}). Remarkably, no J athlete showed deeply T-wave inversion, in contrast to 6{\%} of AC (p<0.05). Occasionally, J showed J-point upward/domed ST-elevation with inverted/ biphasic T-wave (6{\%} versus 16.5{\%} in AC, p<0.01). J demonstrated larger left ventricular (LV) cavity compared with AC and C players (55.2±3.3 versus 52.2±3.8 and 53.9±3.7 mm, respectively, p<0.01), with an important subset (≥4{\%}) presenting a markedly enlarged cavity (≥60 mm), in the presence of normal systolic/diastolic function and no segmental abnormalities. Therefore, J showed a more eccentric remodelling compared with AC and C (relative wall thickness: 0.31±0.05, 0.38±0.06 and 0.36±0.06, respectively, p<0.01). Conclusion: J players show the most eccentric LV remodelling compared with C and AC players. In association, certain training-related ECG patterns, i.e. sinus bradycardia and isolated increase in R/S-wave voltage, are present in a larger proportion of J players than previously described in C players. Conversely, no J athlete showed deeply T-wave inversion, as commonly found in AC and occasionally in C.",
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Alterations in echocardiographic and electrocardiographic features in Japanese professional soccer players : Comparison to African-Caucasian ethnicities. / Kervio, Gaëlle; Pelliccia, Antonio; Nagashima, Junzo; Wilson, Mathew G.; Gauthier, Jean; Murayama, Masahiro; Uzan, Laurent; Ville, Nathalie; Carré, François.

In: European Journal of Preventive Cardiology, Vol. 20, No. 5, 2013, p. 881-888.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Alterations in echocardiographic and electrocardiographic features in Japanese professional soccer players

T2 - Comparison to African-Caucasian ethnicities

AU - Kervio, Gaëlle

AU - Pelliccia, Antonio

AU - Nagashima, Junzo

AU - Wilson, Mathew G.

AU - Gauthier, Jean

AU - Murayama, Masahiro

AU - Uzan, Laurent

AU - Ville, Nathalie

AU - Carré, François

PY - 2013

Y1 - 2013

N2 - Background: Scarce data are available regarding the electrocardiographic (ECG) and echocardiographic changes in athletes of Asian origin. Design: We investigate the ECG and echocardiographic patterns in Japanese (J) compared with African-Caribbean (AC) and Caucasian (C) athletes. Methods: A total of 282 professional soccer players (68 J, 96 AC and 118 C) matched for age, gender, sport and level of achievement was examined. Results: ECGs were without alterations in 62% of J (versus 69% of C, non significant and 44% of AC, p<0.001). The most common alterations in J were sinus bradycardia (69%), incomplete right bundle branch block (RBBB; 43%), early repolarization (18%), isolated increase in R/S-wave (10%), Q-waves (9%). Remarkably, no J athlete showed deeply T-wave inversion, in contrast to 6% of AC (p<0.05). Occasionally, J showed J-point upward/domed ST-elevation with inverted/ biphasic T-wave (6% versus 16.5% in AC, p<0.01). J demonstrated larger left ventricular (LV) cavity compared with AC and C players (55.2±3.3 versus 52.2±3.8 and 53.9±3.7 mm, respectively, p<0.01), with an important subset (≥4%) presenting a markedly enlarged cavity (≥60 mm), in the presence of normal systolic/diastolic function and no segmental abnormalities. Therefore, J showed a more eccentric remodelling compared with AC and C (relative wall thickness: 0.31±0.05, 0.38±0.06 and 0.36±0.06, respectively, p<0.01). Conclusion: J players show the most eccentric LV remodelling compared with C and AC players. In association, certain training-related ECG patterns, i.e. sinus bradycardia and isolated increase in R/S-wave voltage, are present in a larger proportion of J players than previously described in C players. Conversely, no J athlete showed deeply T-wave inversion, as commonly found in AC and occasionally in C.

AB - Background: Scarce data are available regarding the electrocardiographic (ECG) and echocardiographic changes in athletes of Asian origin. Design: We investigate the ECG and echocardiographic patterns in Japanese (J) compared with African-Caribbean (AC) and Caucasian (C) athletes. Methods: A total of 282 professional soccer players (68 J, 96 AC and 118 C) matched for age, gender, sport and level of achievement was examined. Results: ECGs were without alterations in 62% of J (versus 69% of C, non significant and 44% of AC, p<0.001). The most common alterations in J were sinus bradycardia (69%), incomplete right bundle branch block (RBBB; 43%), early repolarization (18%), isolated increase in R/S-wave (10%), Q-waves (9%). Remarkably, no J athlete showed deeply T-wave inversion, in contrast to 6% of AC (p<0.05). Occasionally, J showed J-point upward/domed ST-elevation with inverted/ biphasic T-wave (6% versus 16.5% in AC, p<0.01). J demonstrated larger left ventricular (LV) cavity compared with AC and C players (55.2±3.3 versus 52.2±3.8 and 53.9±3.7 mm, respectively, p<0.01), with an important subset (≥4%) presenting a markedly enlarged cavity (≥60 mm), in the presence of normal systolic/diastolic function and no segmental abnormalities. Therefore, J showed a more eccentric remodelling compared with AC and C (relative wall thickness: 0.31±0.05, 0.38±0.06 and 0.36±0.06, respectively, p<0.01). Conclusion: J players show the most eccentric LV remodelling compared with C and AC players. In association, certain training-related ECG patterns, i.e. sinus bradycardia and isolated increase in R/S-wave voltage, are present in a larger proportion of J players than previously described in C players. Conversely, no J athlete showed deeply T-wave inversion, as commonly found in AC and occasionally in C.

KW - Athlete's heart

KW - echocardiography

KW - electrocardiography

KW - ethnicity

KW - soccer

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