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2 Advances in Rehabilitation

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Features of heart rate variability in breast cancer survivors with various types of attitude to the disease

100%

Prystupa E. , Odynets T. , Briskin Y. , Svistelnyk I.

nr 3

5-9

Introduction Surgical treatment and radiotherapy can prolong the life expectancy of women with breast cancer but also might have side effects on heart rate variability. Currently breast cancer treatment has contributed to significant improvements in survival rate, but negative effects on the psycho-emotional state and functionality of the autonomic nervous system of these interventions in women is high. We aimed to investigate the heart rate variability features in breast cancer survivors who have varied attitudes towards the disease. Material and methods Heart rate variability analysis, determination of various attitudes towards the disease, and mathematical statistical methods. The survey of 110 breast cancer survivors was conducted utilizing Type of Attitude Toward The Disease questionnaire. The women were executed radical mastectomy and adjuvant radiation treatment for breast cancer. Patients aged between 56 and 60 years. Results The results of our study showed that patients with a rational type of attitude towards disease had statistically (p<0.05) better parameters of heart rate variability. Values of standard deviation of the N-N interval, root mean square of successive differences, total power, high-frequency range, and stress index were much better in patients with rational type of attitude as compared with the women who had intrapsychic and interpsychic attitudes. Conclusions These data show that identified features of various attitudes towards the disease in breast cancer survivors clarify the necessity for particular attention to their heart rate variability parameters.

The psychophysiological status of the handball players in pre-competitive period correlated with the reactions of autonomic nervous system

75%

Tyshchenko V. , Lisenchuk G. , Odynets T. , Pyptiuk P. , Bessarabova O. , Galchenko L. , Dyadechko I.

Advances in Rehabilitation

2020

tom 34

nr 1

40-46

Introduction The aim of the study was to analyze the changes in the indices of the autonomic nervous system and the adaptive capacity of Ukrainian Super League handball players prior to significant competitions. Material and methods This research involved 39 handball players from the Ukrainian Super League aged 18–22 years old. The study examined the overall tone of the autonomic nervous system (ANS ) measuring electrodermal activity of the athletes. Reactivity of the ANS of players was monitored by the method of R. Baevskyy, the efficiency of competitive activity in handball was analyzed by the integral index of technical and tactical handball skills. Results Before the competition, the reaction in the sympathoadrenal system was launched for vagotonics as the intended response to the upcoming games. The measured indicators marked mental stress and activation of the sympathoadrenal system for the sympathotonics group. The аtonics group provided the emotional ground due to the balanced influence of para- and sympathetic divisions of the autonomic nervous system. Conclusions The index of functional changes in all participants detected a satisfactory level of adaptation. The highest sympathetic activity was observed for аtonics, the lowest – for vagotonics. The best results were documented for athletes who did not have autonomic dysfunction and those who had a slight predominance of the sympathetic component of the autonomic regulation.