Electrocardiographic and echocardiographic specificities of young mixed-race athletes from Reunion Island - 25/12/18
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Résumé |
Background |
Electrocardiographic (ECG) and echocardiographic (ETT) characteristics of Afro-Caribbean athletes changed recommendations in sports cardiology. No specific data has been provided for mixed-race athletes so far.
Aims |
To compare ECG and ETT characteristics of adolescent mixed-race (M) athletes with those of Caucasian (C) and African (A) athletes.
Material and Methods |
Between 12/2015 and 08/2017, 100 young athletes born in Reunion Island (70M, 18C, 12A) were included in our study. ECG and ETT were performed during a pre-participation screening before competitive sporting activity.
Results |
M athletes showed no ECG specificity. The ‘Afro-Caribbean athletes’ repolarization’ was found in 5.7% of M athletes. M and A athletes demonstrated a greater wall thickening induced by exercise compared to C athletes [IVSd indexed at 5.2±0.6mm/m2 and 5.3±0.6mm/m2 (PM/A=0.363) versus 4.8±0.6mm/m2 respectively (PM/C=0.011, PA/C=0.024)]. M and C athletes featured larger left-ventricular cavity size compared to A athletes [LVIDd indexed at 28.8±2.9mm/m2 and 28.9±2.4mm/m2 (PM/C=0.887) versus 26.4±2.5mm/m2 respectively (PM/A=0.011, P C/A=0.013)].
Conclusion |
Morphologic Left-Ventricular (LV) remodeling in mixed-race adolescent athletes is characterized by a greater LV cavity enlargement compared to A athletes and a significant increase in LV wall thickness compared to C athletes. ‘Afro-Caribbean repolarization’ is occasionally seen among these athletes.
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Vol 11 - N° 1
P. 115-116 - janvier 2019 Retour au numéro
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