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Title

Age-Related Changes in Heart Rate Variability from the Neonatal Period to Adulthood.

Authors

Grinevich, A. A.; Chemeris, N. K.

Abstract

The aim of the study was to reveal the patterns of the age-related dynamics of the frequency-dependent regulation of heart rate variability (HRV) based on the analysis of Holter ECG recordings from healthy subjects of four age groups: neonates, one-year-old infants, adolescents, and adults. A wide spectral composition of HRV is shown, consisting of nine Hilbert–Huang modes in the frequency range from 0.0001 to 2 Hz. A decrease in the central frequencies of all modes is shown in the postnatal period with a plateau in adolescence. A rapid progression of systemic humoral regulation of HRV, characterized by a consolidated increase in the amplitudes of the corresponding modes with a plateau in adolescence, is demonstrated. The dome-shaped character of age-related changes in amplitude of modes associated with autonomic control with a maximum in adolescence is shown. The results obtained quantitatively demonstrate age-related consolidated changes in HRV parameters from neonates to adulthood.

Subjects

HEART beat; CARDIOVASCULAR system; WAVELETS (Mathematics); PUERPERIUM; ADULTS

Publication

Doklady Biochemistry & Biophysics, 2024, Vol 519, Issue 1, p477

ISSN

1607-6729

Publication type

Academic Journal

DOI

10.1134/S1607672924600829

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