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The morphologic consequences of systemic training

L M Shapiro1

  • 1Regional Cardiac Unit, Papworth Hospital, Cambridge, United Kingdom.

Cardiology Clinics
|August 1, 1997
PubMed
Summary
This summary is machine-generated.

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Athletes

Area of Science:

  • Cardiology
  • Sports Medicine
  • Physiology

Background:

  • Echocardiography's development in the 1970s revolutionized the study of the athlete's heart.
  • Early research identified cardiac adaptations in athletes due to training.

Purpose of the Study:

  • To summarize the cardiac adaptations observed in athletes using echocardiography.
  • To quantify the changes in left ventricular dimensions and myocardial thickness in athletes compared to sedentary individuals.

Main Methods:

  • Utilized echocardiography to assess cardiac structure and function.
  • Compared echocardiographic measurements between trained athletes and sedentary control groups.

Main Results:

  • Athletes exhibit left ventricular cavity enlargement and myocardial thickening.

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  • Specific increases observed: left ventricular end-diastolic dimension (~10%), posterior wall thickness (~15-20%), and calculated mass (~45%).
  • These physiological changes, while significant, may fall within standard normal ranges when assessed individually.

    • Conclusions:

    • Prolonged, repetitive training induces distinct cardiac remodeling in athletes.
    • Echocardiography is crucial for differentiating physiological adaptations from pathological conditions in athletes' hearts.