Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2008) 07, 151 - 156

Research article
Echocardiographic Parameters in Athletes of Different Sports
Tomas Venckunas1, , Arimantas Lionikas1,2, Jolanta E. Marcinkeviciene3, Rasa Raugaliene1,3, Aleksandras Alekrinskis1, Arvydas Stasiulis1
Author Information
1 Lithuania Academy of Physical Education, Kaunas, Lithua-nia
2 Pennsylvania State University, University Park, Pennsylvania, USA
3 Kaunas University of Medicine, Kaunas, Lithuania

Tomas Venckunas
‚úČ Department of Applied Physiology and Sports Medicine, Lithuania Academy of Physical Education, Sporto str. 6, Kaunas-44221, Lithuania
Email: t.venckunas@gmail.com
Publish Date
Received: 26-10-2007
Accepted: 14-01-2008
Published (online): 01-03-2008
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ABSTRACT

Competitive athletics is often associated with moderate left ventricular (LV) hypertrophy, and it has been hypothesized that training mode and type of exercise modulates long-term cardiac adaptation. The purpose of the study was to compare cardiac structure and function among athletes of various sports and sedentary controls. Standard transthoracic two-dimensional M-mode and Doppler echocardiography was performed at rest in Caucasian male canoe/kayak paddlers (n = 9), long distance runners (LDR, n = 18), middle distance runners (MDR, n = 17), basketball players (BP, n = 31), road cyclists (n = 8), swimmers (n = 10), strength/power athletes (n = 9) of similar age (range, 15 to 31 yrs), training experience (4 to 9 years), and age-matched healthy male sedentary controls (n = 15). Absolute interventricular septum (IVS) thickness and LV wall thickness, but not LV diameter, were greater in athletes than sedentary controls. Left ventricular mass of all athletes but relative wall thickness of only BP, swimmers, cyclists, and strength/power athletes were higher as compared with controls (p < 0.05). Among athletes, smaller IVS thickness was observed in MDR than BP, cyclists, swimmers or strength/power athletes, while LDR had higher body size-adjusted LV diameter as compared to BP, cyclists and strength/power athletes. In conclusion, relative LV diameter was increased in long distance runners as compared with basketball players, cyclists, and strength/power athletes. Basketball, road cycling, strength/power, and swimming training were associated with increased LV concentricity as compared with paddling or distance running.

Key words: Myocardial hypertrophy, left ventricle, echocardiography, athlete


           Key Points
  • The type of cardiac hypertrophy seems to be only moderately exercise-specific.
  • Long-distance runners develop larger left ventricular dilation as compared with basketball players, cyclists, and strength/power athletes.
  • Myocardial wall thickening is triggered by different sporting activities that involve large muscle groups.
 
 
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