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Superior cardiac mechanics without structural adaptations in pre-adolescent soccer players

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Author
Beaumont, Alexander
Oxborough, David
George, Keith
Rowland, Thomas. W.
Sculthorpe, Nicholas
Lord, Rachel
Unnithan, Viswanath. B.
Date
2019-11-28
Acceptance date
2019-11-07
Type
Article
Publisher
Sage
ISSN
2047-4873
2047-4881
Metadata
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Abstract
Aims: This study aimed to evaluate left ventricular (LV) structure, function and mechanics, in highly-trained, pre-adolescent soccer players (SP) compared to age- and sex-matched controls (CON). Design: The study design was a prospective, cross-sectional comparison of LV structure, function and mechanics. Methods: Twenty-two male SP from two professional youth soccer academies (age: 12.0±0.3 years) and twenty-two recreationally active CON (age: 11.7±0.3 years) were recruited. Two-dimensional conventional and speckle tracking echocardiography were used to quantify LV structure, function and peak/temporal values for LV strain and twist, respectively. Results: End-diastolic volume index was larger in SP (51 ± 8 mm/(m2)1.5 vs. 45 ± 6 mm/(m2)1.5; p=0.007) and concentricity was lower in SP (4.3 ± 0.7 g/(mL)0.667 vs. 4.9 ± 1.0 g/(mL)0.667; p=0.017), without differences in mean wall thickness between groups (6.0 ± 0.4 mm vs. 6.1 ± 0.5 mm; p=0.754). Peak circumferential strain at the base (-22.2 ± 2.5% vs. -20.5 ± 2.5%; p=0.029) and papillary muscle levels (-20.1 ± 1.5% vs. -18.3 ± 2.5%; p=0.007) were greater in SP. Peak LV twist was larger in SP (16.92 ± 7.55º vs. 12.34 ± 4.99 º; p=0.035) and longitudinal early diastolic strain rate was greater in SP (2.22 ± 0.40 s -1 vs. 2.02 ± 0.46 s -1; p=0.025). Conclusions: Highly-trained SP demonstrated augmented cardiac mechanics with greater circumferential strains, twist and faster diastolic lengthening in the absence of differences in wall thickness between SP and CON.
Journal/conference proceeding
European Journal of Preventive Cardiology;
Citation
Beaumont, A., Oxborough, D., George, K., Rowland, T.W., Sculthorpe, N., Lord, R. and Unnithan, V.B. (2019) 'Superior cardiac mechanics without structural adaptations in pre-adolescent soccer players', European Journal of Preventive Cardiology, p.2047487319890177. DOI: 10.1177/2047487319890177.
URI
http://hdl.handle.net/10369/10841
DOI
https://doi.org/10.1177/2047487319890177
Description
Article published in European Journal of Preventive Cardiology on 28 November 2019, available at: https://doi.org/10.1177/2047487319890177.
Rights
http://www.rioxx.net/licenses/under-embargo-all-rights-reserved
Sponsorship
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
Collections
  • Sport Research Groups [1089]

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