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Left Atrial Remodelling in Competitive Adolescent Soccer Players.
MedLine Citation:
PMID:  22562745     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Left atrial (LA) enlargement and improved myocardial diastolic properties are a component of athlete's heart. We performed a longitudinal study involving adolescent athletes to investigate the impact of training on LA remodelling and diastolic function. 21 competitive adolescent soccer players were enrolled and engaged in an 8-month training program. Echocardiographic analysis was performed at baseline, after 4 and 8 months. We assessed diastolic function by Doppler tissue imaging and we analyzed LA adaptations by 2D speckle-tracking echocardiography. After 4 months, LA mean volume index significantly increased (Δ=5.47±4.38 mL/m2, p≤0.0001). After 8 months, a further increase occurred (Δ=8.95±4.47 mL/m2, p≤0.0001). A higher E velocity (p=0.001; p=0.001), a greater E/A ratio (p=0.002; p=0.0009), a higher e' peak (p= 0.005; p=0.001), and a greater e'/a' ratio (p=0.01; p=0.0006) were observed at 4 and at 8 months, respectively. E/e' ratio significantly decreased after 8 months (p≤0.005). Global peak atrial longitudinal strain and global peak atrial contraction strain values significantly decreased after 8 months (p=0.0004, p=0.01, respectively). An 8-month training program is associated with LA dimensional and functional training-specific adaptations in competitive adolescent soccer players. Myocardial diastolic properties can improve after training also in subjects already presenting with features of athlete's heart.
Authors:
F D'Ascenzi; M Cameli; M Lisi; V Zacà; B Natali; A Malandrino; S Benincasa; S Catanese; A Causarano; S Mondillo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-4
Journal Detail:
Title:  International journal of sports medicine     Volume:  -     ISSN:  1439-3964     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8008349     Medline TA:  Int J Sports Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© Georg Thieme Verlag KG Stuttgart · New York.
Affiliation:
Department of Cardiovascular Diseases, University of Siena, Siena, Italy.
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