Psychological correlates of dissomnic disorders in patients in the remote period after chronic mercury intoxication

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Abstract

Introduction. Need of carrying out a research is defined by insufficient study of retsiprokny relationship of psychological features with the course of insomnichesky frustration taking into account psychopathological symptomatology and features of displays of neurointoxication for the purpose of prevention of sleep disorders at patients with the chronic mercury intoxication (CMI). A research objective was identification of psychological features of formation of dissomnichesky frustration at patients in the remote post-contact period of HRI.

Material and methods. Kliniko-diagnostic, polisomnografichesky and experimental and psychological examinations to 40 patients from HRI and to 15 healthy men of group of comparison which didn't have in professional activity of contact with harmful substances are conducted.

Results. The Polisomnografichesky research of patients with HRI has revealed rough changes of indicators of structure of a night dream in comparison with control group in the form of reduction of duration of a dream, increase in the latent period of the first stage of a dream, the general time of wakefulness in a dream from time of its duration, total of activation shifts. Essential changes of structure of a dream were noted in his first cycle — in the form of reduction of duration. Reduction of duration of a cycle, time of the second stage, reduction representation of a delta dream is noted. The indicators characterizing the mnestiko-attentsionny sphere and an emotional condition of patients considerably differed from standard levels that demonstrated personal disintegration, formation of mental defect of asthenic, disturbing and hypochondriac, sensitive types with prevalence of affects of disturbing and depressive and explosive character.

Discussion. The established correlation connection demonstrates negative impact of time of duration of a dream on levels of uneasiness, a depression, morbid depression, social disadaptation, intelligence quotient, indicators of short-term, figurative memory, concentration of attention Increase in duration of a somnolence promotes aggravation of paranoyalny manifestations and decrease in concentration of attention and is regarded as sign of strengthening of activity of stem structures.

Conclusion. It is established that at professional neurointoxications permanent changes of polisomnografichesky activity in the form of insomnichesky violations of the mixed character are a consequence of chronic influence of vapors of metal mercury and also the reason of psychopathological violations.

About the authors

Oksana I. Shevchenko

East-Siberian Institute of Medical and Ecological Research

Author for correspondence.
Email: oich68@list.ru
ORCID iD: 0000-0003-4842-6791

MD, Ph.D., senior research associate of the Laboratory of the professional and ecologically caused pathology of East-Siberian Institute of Medical and Ecological Research, Angarsk, 665827, Russian Federation.

e-mail: oich68@list.ru

Russian Federation

E. B. Katamanova

East-Siberian Institute of Medical and Ecological Research

Email: noemail@neicon.ru
ORCID iD: 0000-0002-9072-2781
Russian Federation

E. H. Korchuganova

East-Siberian Institute of Medical and Ecological Research

Email: noemail@neicon.ru
ORCID iD: 0000-0002-9247-4072
Russian Federation

O. L. Lakhman

East-Siberian Institute of Medical and Ecological Research; Irkutsk State Medical Academy of Continuing Education, branch of the Russian medical Academy of postgraduate continuous education

Email: noemail@neicon.ru
ORCID iD: 0000-0002-0013-8013
Russian Federation

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