Abstract
The variability of the following spectral parameters was studied in apparently healthy adult subjects: heart rate, stroke volume, left ventricular ejection fraction, amplitude of aortal pulsing, amplitude of peripheral vessel pulsation in the first toe, and systolic blood pressure. The average values of the parameter of blood circulation per 500 heart beats (M), total power of variation spectrum of blood circulation parameter (TP), and absolute and relative powers of the oscillations of blood circulation parameter were estimated in the following spectral bands: ultralow frequency (ULF, % ULF), very low frequency (VLF, % VLF), low frequency (LF, % LF), and high frequency (HF, % HF). The variability of each blood circulation parameter proved to be characterized by a specific ratio of slow oscillations of different frequencies, which was a result of the specific regulation of this parameter. The parameters of central hymodynamics were relatively similar in oscillation structure. The oscillation spectra of the parameters of central and peripheral hemodynamics differed significantly. In adulthood, sex-related differences were determined in spectral parameters of the heart rate variability (ULF and VLF were higher in women), in the ejection fraction (% ULF was higher in women), in the amplitude of aortal pulsation (TP, ULF, VLF, LF and HF were higher in women), in the amplitude of pulsation of the peripheral vessels in the first toe (TP, ULF, VLF, LF and HF were higher in men), and in the blood pressure (% ULF was higher in women).
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Original Russian Text © V.V. Naumova, E.S. Zemtsova, 2009, published in Fiziologiya Cheloveka, 2009, Vol. 35, No. 5, pp. 47–53.
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Naumova, V.V., Zemtsova, E.S. Characteristics of slow oscillations of hemodynamics in men and women. Hum Physiol 35, 563–568 (2009). https://doi.org/10.1134/S0362119709050077
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DOI: https://doi.org/10.1134/S0362119709050077