Heart rate variability and professional stress severity in young people with initial symptoms of arterial hypertension at dynamic physical exertion
https://doi.org/10.18705/1607-419X-2009-15-1-65-70
Abstract
Relevance. Influence of psychological stress on individuals can be assessed by heart rate variability (HRV) analysis. The syndrome of mental "burning out" often reflects psychological stress in physicians. Aim. The study addresses relation between HRV and the severity of professional stress among medical students with initial symptoms of arterial hypertension under dynamic physical exertion. Material and methods: 98 people took part in our research: 50 students of first years, 20 of which tended to have high blood pressure (BP), and 48 doctors-interns. Professional stress was diagnosed by V.V. Boyko's technique. BP by Korotkov's method and HRV analysis of the electrocardiogram (using Cardiotechnique-04) were taken while veloergometry at 100 Vt was performed. Results. 90 % of students are under I phase of stress strain that is accompanied by the increase of diastolic BP (р < 0,05). Out of studied hemodynamic parameters (systolic and diastolic BP, heart rate) only systolic BP was found to decrease till 124,6 ± 4,58 mmHg (p < 0,05) in 32,5 % of subjects under II phase of stress having got 5-minute rest after physical exertion. Sympathetic nervous system activity assessed by the decrease of HRV parameters and LF/HF-ratio increase was prevalent in the same group.
About the Authors
B. D. Zhidkikh
Kursk State Medical University
Russian Federation
Russian Federation
E. V. Shvetс
Kursk State Medical University
Russian Federation
Russian Federation
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Review
For citations:
Zhidkikh B.D., Shvetс E.V. Heart rate variability and professional stress severity in young people with initial symptoms of arterial hypertension at dynamic physical exertion. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2009;15(1):65-70. (In Russ.) https://doi.org/10.18705/1607-419X-2009-15-1-65-70
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