Two-year study of the VLF spectrum of heart rate variability in connection with changes in the body composition of girls from 10 to 12 years old
https://doi.org/10.14341/omet13082
Abstract
BACKGROUND: morphological changes during the pubertal growth spurt can serve as a model for variation in body composition and, in particular, body fat mass (BFM) without any interventions in the human body and associated changes in heart rate variability (HRV).
AIM: to study concomitant changes in the VLF spectrum of heart rate variability and body composition in girls during a Two-year study in the age range from 10 to 12 years.
MATERIALS AND METHODS: electrocardiography, anthropometry, bioimpedansometry.
RESULTS: we conducted a three-year open, uncontrolled, non-randomized study-observation of 60 girls in the age range from 10 to 12 years. This age range made it possible to obtain a wide variation in the rate of increase in body fat mass (BFM%) from negative to positive values. The oscillation power of the very low-frequency component (VLF, ms2 and %) in the HR variability increased statistically significantly with decreasing BFM %. In response to an increase in BMT%, reverse changes were observed. The VLF parameter (ms2) is associated with a positive moderate relationship with the basal metabolic rate (BM) at the age of 10 years (r=0.314, p=0.013). At the same age, the BFM % parameter is associated with an average negative relationship with the BM parameter (r=–0.681, p<0.001).
CONCLUSION: in pubertal girls, the change in the composite body composition with a decrease in fat mass is associated with an increase in the absolute (ms2) and relative (%) power of oscillations of the very low-frequency VLF component in HRV.
About the Authors
O. V. Filatova
http://www.asu.ru/univer_about/personalities/343/
Altai State University
Russian Federation
Competing Interests:
Altai State University
Russian Federation
Olga V. Filatova - PhD in biology, Professor.
61 Lenin Avenue, 656049 Barnaul
Scopus Author ID 36785055000
Competing Interests:
None
N. A. Shishkina
Altai State University
Russian Federation
Competing Interests:
Russian Federation
Natalya A. Shishkina - master’s student.
61 Lenin Avenue, 656049 Barnaul
Competing Interests:
None
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Supplementary files
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1. Figure 1. Dependence of the deltas of the absolute (VLF, ms2) oscillation power of the very low-frequency component of the heart rate on the deltas of the relative body fat mass: the figure shows the equation of dependence | |
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2. Figure 2. Dependence of the deltas of the relative (VLF, %) oscillation power of the very low-frequency component of the heart rate on the deltas of the relative body fat mass: the figure shows the equation of dependence | |
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| Type | Исследовательские инструменты | |
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For citations:
Filatova O.V., Shishkina N.A. Two-year study of the VLF spectrum of heart rate variability in connection with changes in the body composition of girls from 10 to 12 years old. Obesity and metabolism. 2024;21(3):269-277. (In Russ.) https://doi.org/10.14341/omet13082
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