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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


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ORIGINAL ARTICLES  SPORT CARDIOLOGY


The Journal of Sports Medicine and Physical Fitness 2015 September;55(9):978-87

Copyright © 2015 EDIZIONI MINERVA MEDICA

lingua: Inglese

Analysis of right and left ventricular deformation in former world class swimmers: evaluation using speckle tracking

Knackstedt C. 1, Hildebrandt U. 2, Schmidt K. 2, Syrocki L. 2, Lang A. 2, Bjarnason-Wehrens B. 2, Schummers G. 3, Stapf D. 3, 4, Becker M. 4, Predel H. G. 2

1 Department of Cardiology, Maastricht University Medical Center, Maastricht, The Netherlands; 2 Institute of Cardiology and Sports Medicine, German Sport University, Cologne, Germany; 3 TomTec Imaging Systems, Unterschleissheim, Germany; 4 Department of Cardiology, Pneumology and Angiology, RWTH Aachen University, Germany


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AIM: There is a longstanding debate over the long-term effect of intensive endurance training on cardiac function. Usually, echocardiography has been used as a global evaluation of left ventricular (LV) or right ventricular (RV) function and dimensions. Recently, speckle tracking strain (ST) has provided an analysis of regional RV and LV function. Thus, the intention of the study was to carefully evaluate cardiac function in a group of former world class swimmers applying longitudinal strain (LS) and circumferential strain (CS) analysis.
METHODS: Twelve athletes (45±1.5 years) of a former training group involved in high intensity endurance training were examined 24.9±4.3 years after the end of their active swimming career. An echocardiography was performed and LV function was analyzed based on CS and LS. Also, LS was evaluated for the RV. All measurements were performed for epicardium and endocardium independently.
RESULTS: Mean LV endocardial LS was -20.0±6.3 and epicardial LS -20.2±6.2. LV endocardial CS was -21.3±8.0 and epicardial CS -11.9±4.2. RV endocardial LS had a mean value of -26.4±6.1 and epicardial LS of -28.2±5.6.
CONCLUSION: Twenty-five years after the cessation of endurance training, there was no evidence of a deterioration of RV or LV function as values for RV and LV strain measurements were within normal ranges.

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Knackstedt C, Hildebrandt U, Schmidt K, Syrocki L, Lang A, Bjarnason-Wehrens B, et al. Analysis of right and left ventricular deformation in former world class swimmers: evaluation using speckle tracking. J Sports Med Phys Fitness 2015 September;55(9):978-87. 

Corresponding author e-mail

c.knackstedt@mumc.nl