Key result
In healthy young adults, baroreflex sensitivity fluctuations concentrated significantly more in very low frequencies compared to ultra low frequencies (77% vs 11%, P<=0.001).
Population
9 healthy young adult men and women
Authors
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Should not yet guide clinical baroreflex assessment; leaves open relevance of VLF rhythms to disease or outcomes.
Observational (n=9)
Absolute Event Rate: 77% vs 11%
p-value: p=<=0.001
Human vagal baroreflex sensitivity fluctuates widely and rhythmically at very low frequencies during steady-state conditions, independent of autonomic drive or angiotensin activity.
Eckberg et al. (2005) conducted an observational in Healthy (n=9). Very low frequency (0.003-0.04 Hz) vs ultra low frequency (0.0-0.003 Hz) bands vs. Ultra low frequency band was evaluated on Concentration of baroreflex sensitivity fluctuations (percentage of total power) (p=<=0.001). In healthy young adults, baroreflex sensitivity fluctuations concentrated significantly more in very low frequencies compared to ultra low frequencies (77% vs 11%, P<=0.001).
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