Key result
An increase in parasympathetic HRV indexes in the supine position assessed 1 week earlier was associated with a higher risk of upper respiratory and pulmonary infections (P<0.05).
Why the study?
Is heart rate variability associated with the risk of infections and muscular affections in elite swimmers?
Cohort (n=18)
Is heart rate variability associated with the risk of infections and muscular affections in elite swimmers?
p-value: p=<0.05
Changes in heart rate variability, specifically a sudden increase in parasympathetic indices followed by sympathetic predominance, may predict the risk of infections and muscular affections in elite swimmers.
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May signal infection risk in elite swimmers but should not change practice; leaves open causal utility of HRV monitoring.
Hellard et al. (2010) conducted a cohort in Elite swimmers (n=18). Heart rate variability (HRV) indexes was evaluated on Upper respiratory tract and pulmonary infections, muscular affections, and all-type pathologies (p=<0.05). An increase in parasympathetic HRV indexes in the supine position assessed 1 week earlier was associated with a higher risk of upper respiratory and pulmonary infections (P<0.05).
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