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The journal "Ateroskleroz"

2021 year, number 1


A. M. Nesterets1, O. V. Sorokin2, Z. V. Nefedova3, V. G. Kainara4, L. M. Panasenko3, V. N. Maksimov1
1Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
2NCO National Ayurvedic Medical Association, Novosibirsk, Russia
3Novosibirsk State Medical University, Novosibirsk, Russia
4City Children Clinical Hospital, Novosibirsk, Russia
Keywords: adolescents, cardiointervalography, cardiorespiratory synchronization, cognitive visceral cardiobiofeedback, essential hypertension, non-drug method


Introduction. The article discusses the problem of using cognitive visceral cardiobiofeedback as a preventive and non-drug method for correcting disturbed regulation mechanisms associated with an increase in blood pressure in adolescents with essential hypertension (EH) against the background of standard antihypertensive therapy with enalapril. Aim of the study was to investigate the indices of the cardiointervalogram (CIG) during a biofeedback session and to evaluate the effectiveness of cardiobiofeedback in healthy adolescents and adolescents with EH living in Novosibirsk. Material and methods. Each participant underwent a 5-minute CIG recording using the hardware and software complex VedaPulse under physiological rest and during biofeedback session. In the course of biofeedback, the subject was asked to lengthen the expiration phase of the respiratory cycle with parallel relaxation of muscle tone and visual feedback on the dynamics of a multimedia plot reflecting changes in the duration of the cardiac cycle. Results and discussion. We found that the effectiveness of cardiorespiratory synchronization (CRS) is characterized by an increase in SDNN indicators by 8.3% and the total power of spectral influences (TP) by 23.6% due to a significant increase in the parasympathetic spectral index of HF by 29.4%. An increase in the power index of the spectrum of low-frequency oscillations (LF) by 51.3% can be considered as an element of CRS within 0,1 Hz. In healthy adolescents, the reactivity of the suprasegmental levels of regulation (IC) is preserved and their growth is noted by 7.6%. In adolescents with EH, an increase in the duration of the cardiac cycle by 5.2% and TP by 31.2% was recorded in the course of cardiobiofeedback, which is associated with an increase in the power of the spectrum of high-frequency oscillations (HF) by 2.4%. This phenomenon should be considered as a positive pathophysiological response of the autonomic link of the nervous system, which is recorded by a decrease in blood pressure. Conclusion. We assume that the test with cognitive visceral cardiobiofeedback can serve as an effective marker for the analysis of the rigidity of autonomic mechanisms of regulation in adolescents with essential hypertension. Conscious regulation of the heart rate through the mechanism of controlled respiration (biofeedback) can be an effective non-drug method for correcting autonomic regulation disorders in adolescents with arterial hypertension, which is manifested by a significant decrease in blood pressure.