Key result
Elite soccer players exhibit greater medium-apical LV functional reserve during handgrip stress versus sedentary controls.
Why the study?
The study aimed to evaluate regional left ventricular functional reserve in elite soccer players using ultrasound speckle tracking and an isometric handgrip stress test.
Does a handgrip stress test reveal differences in regional left ventricular functional reserve between elite soccer players and sedentary controls?
Cross-Sectional (n=50)
No
Does a handgrip stress test reveal differences in regional left ventricular functional reserve between elite soccer players and sedentary controls?
Absolute Event Rate: -24.47% vs -20.47%
p-value: p=<0.05
Elite soccer players exhibit a supernormal functional reserve in medium-apical left ventricular segments during isometric effort, detectable by 2D speckle tracking strain.
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May support handgrip strain for assessing athletic LV reserve; hypothesis-generating and leaves open clinical adoption pending validation.
Stefani et al. (2008) conducted a cross-sectional in Healthy (Physiological myocardial hypertrophy) (n=50). Elite athletic training vs. Sedentary controls was evaluated on Longitudinal Peak Systolic Strain (LPSS) in medium-apical segments after Hand Grip (HG) test (p=<0.05). Elite soccer players demonstrated a significantly higher functional reserve in medium-apical left ventricular segments after handgrip stress compared to sedentary controls (strain -24.47% vs -20.47%, p < 0.05).
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