THE SUCCESS OF HEART RATE VARIABILITY BIOFEEDBACK PARAMETERS IN PERSONS WITH DIFFERENT LEVELS OF BLOOD PRESSURE

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Abstract

Objective. The aim was to determine the nature of cardiovascular reactions during a single session of heart rate variability (HRV) biofeedback in order to increase vagal effects on heart rhythm in patients with different initial levels of blood pressure (BP). Participants and methods. 33 people with normal blood pressure (group I), 20 people with uncorrected arterial hypertension (AH) grade 1-2 (group II) and 22 people with AH grade 1-2 taking antihypertensive drugs (group III) were observed. The parameters of heart rate variability (HRV), BP and pulse oximetry in the initial stage, during a single HRV biofeedback session and after this session in order to increase the total power of the HRV spectrum (each stage was 5 min). Results. In patients of group II low success of HRV biofeedback session, a high sympathetic reactivity and reduced oxygen blood saturation were determined. A reactivity of vagal mechanism is more pronounced in persons of group III than in those of group II. It is reflected in a significant increase in their total power of the HRV spectrum compared to the initial values and in uptrend saturation levels during the biofeedback session.
Conclusions. The ability to HRV biofeedback in order to increase the total power of the HRV spectrum for standard short recording (5 min) can be seen as a test to determine the safety reserves of vagal autonomic cardiovascular regulation in persons with increased blood pressure.

 

About the authors

L. V. Poskotinova

The Institute of Environmental Physiology, Ural Branch of RAS, Arkhangelsk, Russian Federation
Institute of Medical-Biological Research of Northern Arctic Federal University named after M.V. Lomonosov, Arkhangelsk, Russian Federation

Author for correspondence.
Email: liliya200572@mail.ru
PhD, Doctor of Biological Sciences, Associate Professor, Head of the Biorhythmology Laboratory, The Institute of Environmental Physiology, Ural Branch of the Russian Academy of Sciences, Leading Research Worker of the Institute of Medical and Biological Research, Northern (Arctic) Federal University named after M.V. Lomonosov Address: 163000, Arkhangelsk, Lomonosov Avenue, 249; tel.: (8182) 65-29-95 Russian Federation

D. B. Demin

The Institute of Environmental Physiology, Ural Branch of RAS, Arkhangelsk, Russian Federation

Email: denisdemin@mail.ru
PhD, Senior Research Worker, Biorhythmology Laboratory, The Institute of Environmental Physiology, Ural Branch of the Russian Academy of Sciences Address: 163000, Arkhangelsk, Lomonosov Avenue, 249; tel.: (8182) 65-29-95 Russian Federation

E. V. Krivonogova

The Institute of Environmental Physiology, Ural Branch of RAS, Arkhangelsk, Russian Federation

Email: elena200280@mail.ru
PhD, Senior Research Worker, Biorhythmology Laboratory, The Institute of Environmental Physiology, Ural Branch of the Russian Academy of Sciences Address: 163000, Arkhangelsk, Lomonosov Avenue, 249; tel.: (8182) 65-29-95 Russian Federation

M. N. Dieva

Arkhangelsk City Out-patients' Clinic № 2, Russian Federation

Email: khasanovanina@rambler.ru
Neuropathologist, Arkhangelsk City Clinical Hospital № 2 Address: 163069, Arkhangelsk, Severodvinskaya St., 16; tel.: (8182) 68-38-35 Russian Federation

N. M. Khasanova

Northern State Medical University, Arkhangelsk, Russian Federation

Email: khasanovanina@rambler.ru
PhD, Assistant, Department of Family Medicine, Northern State Medical University Address: 163001, Arkhangelsk, Troitsky Prospect, 51; tel.: (8182) 28-57-91 Russian Federation

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