title: [Autonomic nerve function expressed by the baroreflex sensitivity (BRS) in elderly adults].
abstract: We examined 24 hour heart rate variability (HRV) components and baroreflex sensitivity (BRS) in elderly adults. Forty-eight subjects, aged 65-69 years old (24 men, 24 women) were examined in this study. BRS was measured in the morning (8:00-9:00) using noninvasive cross spectral analysis. There were significant correlations between BRS and low-frequency (LF) power (r = 0.593, p < 0.001) of HRV, and between BRS and high-frequency (HF) power (r = 0.402, p < 0.005). BRS values were lower in women compared with men (p < 0.01), and LF/HF was significantly lower in women than in men (p < 0.05).
authors.affiliation: Ashiya Central Hospital.
authors.forename: T
authors.initials: T
authors.lastname: Sadayasu
authors.forename: T
authors.initials: T
authors.lastname: Nakamura
authors.forename: R
authors.initials: R
authors.lastname: Kouzuma
authors.forename: K
authors.initials: K
authors.lastname: Takahara
authors.forename: Y
authors.initials: Y
authors.lastname: Nakashima
mesh_terms: D000368:Aged; D001341:Autonomic Nervous System / Q000502:physiology*; D017704:Baroreflex / Q000502:physiology*; D005260:Female; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008297:Male; D012677:Sensation / Q000502:physiology*; D012737:Sex Factors