Abstract
According to the data of the world statistics there is observed the growth of autonomic dysfunctions. It is one of the main problems of clinical neurology: 12–25 % of children and near 70 % of adults suffers from these disorders. Aim: diagnosing of autonomic dysfunctions in the contingent of students with the help of neuropsychological investigations. Methods and materials: There were examined 1379 students of medical university. Self-appraisal autonomic system tone testing, Kerdo index, G.Dagnini-B.Aschner reflex and ortho-clinostatic sign were carried out on the first phase. For 157 students the Heart Rate Variability was investigated on the second phase. All students were tested by the Eysenck Personality Inventory on the third phase. 70 students (31 men, 39 women) were accordingly tested by the Minnesota Multiphasic Personality Inventory. Results of research: Increasing of sympathetic part of the autonomic nervous system showed 221 (82.1 %) from 257 persons. Kerdo index was positive at 156 (60.7 %) persons. Reactivity of the autonomic nervous system by the G.Dagnini-B.Aschner reflex showed sympathetic reaction in 133 (51.8 %) persons. Autonomic ensuring of the vital functions study by ortho-clinostatic sign also showed prevalence of the sympathetic reaction – 150 (58.4 %) students. According to the RSAI, 5 marks (optimal) were showed in case of 52 (33.1 %) students. 4 marks – 68 (43.3 %) persons. 3, 2 and 1 marks were registered in case of 26 (16.6 %) persons. Average SI was 168.47 ± 16.42. 4 marks of RSAI correlated with SI=137.29 ± 5.75, 2 marks correlated with SI=508.12 ± 32.12. According to psychological tests, all students with extraversion reliably showed non-stability of the higher nervous action (14.38±017), increased average T-marks of F-scale (77±1.949), 9-scale (71±1.553) and 8-scale (71±1.801). Conclusions: Indicators of autonomic tone, autonomic reactivity and autonomic activity ensuring showed prevalence of sympathicotonia in contingent of students. Heart Rate Variability investigation found dystonic disorders of autonomic nervous system of supra-segmental level mainly. Eysenck Personality Inventory found the prevalence of extraversion and non-stability of the higher nervous activity what may indicate further autonomic dysfunctions. Minnesota Multiphasic Personality Inventory testing revealed psychological disproportions with prevalence of hypomanic, paranoid, schizophrenic tendency. Psychologic affects cause further somatic complaints as manifestation of autonomic dysfunctions.
Highlights
Syndrome of autonomic nervous system dysfunction is one of the main problems of clinical neurology
All students where tested by the ЕРІ (Eysenck Personality Inventory) on the third phase [17, 18]. 70 students (31 men, 39 women) with control group of 25 students tested by the MMPI (The Minnesota Multiphasic Personality Inventory) [19, 20]
Autonomic ensuring of the vital functions study by ortho-clinostatic sign showed the prevalence of the sympathetic reaction: 150 (58.4 %) students (96 (37.4 %) women and 54 (21.0 %) men)
Summary
Syndrome of autonomic nervous system dysfunction is one of the main problems of clinical neurology. It is nearly 12–25 % of children and to 70 % of adults who suffer from these disorders. Among the non-invasive methods of cardiac autonomic regulation examination, heart beat rate variability (HBRV) is the most informative. Many parameters of it closely correlate one with another [5, 6]. Regulative systems activity index (RSAI) is an integrative parameter which shows exertion and possibilities of autonomic nervous system [7, 8]. Fluctuations of the blood pressure rate and initial forms of hypertension in young people need HBRV examination [9, 10]
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