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IMPACT OF LEFT VENTRICULAR FALSE TENDONS ON YOUNG ATHLETES’ CARDIOVASCULAR ADAPTATION TO EXERCISE LOADS

Sports and Health Technologies Laboratory, Institute of Physical Education, Sports and Youth Policy, Ural Federal University, Yekaterinburg 620078, Russian Federation

E-mail Address: kamilia_m@mail.ru

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and

F. BLYAKHMAN

http://orcid.org/0000-0003-4434-2873

Biomedical Physics Department, Ural State Medical University, Yekaterinburg 620028, Russian Federation

Physics Department, Ural Federal University, Yekaterinburg 620083, Russian Federation

E-mail Address: feliks.blyakhman@urfu.ru

Corresponding author.

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https://doi.org/10.1142/S021951941750066XCited by:1 (Source: Crossref)

Abstract

False tendons (FT) are additional chord-like structures in left ventricle (LV) cavity considered as a phenotypic feature of the connective tissue dysplasia (CTD) syndrome. The search for a range of heart adaptability to exercise loads of young athletes with FT in LV is the aim of the proposed study. Sixty six members of student basketball and indoor soccer teams (mean age: 19.8 $\pm$ 3.9 years) underwent treadmill stress-test and heart ultrasound transthoracic examination. Further, image processing to perform the tendons mapping within LV 3D-reconstructed model was applied. The number of FT located in different parts of LV varied from 1 to 6 units per LV. Based on the comparative and correlation analyses of data obtained, we found that the more the number of FT per LV, the less is a range of the heart adaptation to increased exercise loads. In accordance with the results of two-way multivariate analysis of variance, we concluded that the FT, located in basal and median LV zones, connecting interventricular septum and posterior-lateral parts of LV wall mainly affect the ability of the heart to adapt to exercise loads. Therefore, athletes with certain number and types of FT in the LV critically need individual prescription for exercise loads.

Keywords:

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