Why the study?
Does long-term athletic training alter cardiac structure in competitive athletes compared to matched controls?
Population
More than 1,000 competitive athletes
Comparison
Long-term athletic training (dynamic or static) vs Matched control subjects
Design
Review
Key result
Long-term athletic training increases left ventricular end-diastolic dimension by ~10%, wall thickness by ~15-20%, and calculated left ventricular mass by ~45% compared with matched controls.
Authors
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Distinguish modest LV remodeling from pathology on echo in athletes; extends physiologic characterization but leaves long-term outcome data open.
Does long-term athletic training alter cardiac structure in competitive athletes compared to matched controls?
Long-term athletic training induces dynamic, reversible, and modest physiologic left ventricular hypertrophy that is not currently linked to adverse cardiovascular outcomes.
Barry J. Maron (1986) conducted a review in Athlete heart (n=1,000). Long-term athletic training vs. Matched control subjects was evaluated on Cardiac dimensions (left ventricular end-diastolic dimension, wall thickness, and calculated left ventricular mass). Long-term athletic training increases left ventricular end-diastolic dimension by ~10%, wall thickness by ~15-20%, and calculated left ventricular mass by ~45% compared with matched controls.
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