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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)
DOI: https://doi.org/10.15407/fz

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2019; 65(4): 50-58


Heart rate variability in mine-rescuers in conditions of a simulated emergency response

I.A. Myshchenko1, O.I. Soloviov2, K.O. Apykhtin2

  1. Ivano-Frankivsk National Medical University, Ukraine
  2. State Institution «Kundiev Institute of Occupational Health of the National Academy of Medical Sciences of Ukraine», Kyiv, Ukraine
DOI: https://doi.org/10.15407/fz65.04.050

Abstract

Short-term indices of Heart Rate Variability (HRV) recorded in mine-rescuers men (n=18, mean age 29±1.4 years ranged from 22 to 44 years) before and after the simulated emergency response, organized as a competition. Within two hours, mine-rescuers used special rescue equipment, administrated the first medical aid to the conditional victims and performed various tactical tasks. The study group was divided into three subgroups according to the Stress Index (SI) level. Analysis of time-domain and frequency-domain indices of HRV was conducted. The biological age, appropriate biological age and ageing rate were evaluated. It was found out, that the majority of the study group showed signs of neuro-emotional stress even before the competition. Emotional and physical loads caused by the simulated emergency response increased the strain of vegetative adjustment, which grew at the end of the competitions. Rescuers with average levels of SI demonstrated the most sufficient physiological response, while workers with low and high SI levels referred to the risk groups for disadaptation and cardiovascular diseases. Biological age significantly exceeded the population norm. SI and biological age can be recommended to use as additional parameters during medical examinations by the medical services of mine rescue brigades.

Keywords: disadaptation; heart rate variability; mine-rescuers; risk factor; stress index.

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