Left ventricular hypertrophy in athletes, a case-control analysis of interindividual variability

Area of Science:

• Cardiology
• Sports Medicine
• Physiology

Background:

• Cardiac remodeling varies among athletes irrespective of age, sex, body size, or sport.
• The study investigated individual characteristics influencing Left Ventricular Hypertrophy (LVH) extent.

Purpose of the Study:

• To identify factors associated with LVH in Olympic athletes.
• To determine if individual characteristics beyond standard metrics affect LVH.

Main Methods:

• Matched case-control study of 2120 Olympic athletes.
• LVH defined as LV Wall thickness ≥ 13 mm.
• Comparison of clinical and echocardiographic variables between LVH and non-LVH groups.

Main Results:

• 48 athletes with LVH (2.3%) and 48 matched controls were identified.
• LVH athletes exhibited higher body weight, BMI, body fat percentage, and blood pressure.
• LVH athletes showed lower indexed workload and higher peak diastolic blood pressure during exercise.

Conclusions:

• Increased resting and exercise blood pressure, along with higher body mass and fat percentage, correlate with greater LVH.
• LVH in these athletes was not associated with enhanced physical performance.
• The findings suggest LVH may be disproportionate to the athletes' sport activity.