No 9 (2014)

Articles
CORRECTION OF DEVIATIONS OF PSYCHO-PHYSIOLOGICAL STATUS OF HAZARDOUS OCCUPATIONS SPECIALISTS WITH USE OF HYPOXIC GAS-AIR ENVIRONMENTS
Shatov D.V., Groshilin V.S., Ivanov A.O., Barachevsky Y.E., Lobozova O.V., Pavlidi K.D., Boliev O.E., Groshilin S.M.
Abstract
The study included 26 hazardous occupations specialists (men aged 20-32 years old), with signs of abnormalities of the psycho-physiological status (PPS) involved in intensive work. In the basic group (BG) (n=14) the specialists were trained with use of hypoxic artificial gas-air environments -HAGAE (O 2 content 15-17 %, duration of each procedure 45 min, the total number of procedures 12). For 12 people (the comparison group - CG), HAGAE conditions were simulated. PPS deviations were evaluated according to the state of the sensorimotor properties, the electroencephalographic (EEG) criteria, the level of reactive anxiety (RA). The studies in both groups were conducted prior to the correction measures (simulation) application, directly after the end of the program and in a month. In all individuals of the BG after the workouts, there was recorded an improvement of the PPS parameters compared to the initial level, such changes were absent in the CG, for which reason, there have been found statistically significant (p < 0.05) intergroup differences in a number of the sensorimotor parameters, the EEG criteria, the RA level. The program based on the use of HAGAE, can be regarded as a method of choice in restoring PPS of hazardous occupations specialists.
Ekologiya cheloveka (Human Ecology). 2014;(9):3-7
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HEAVY METALS IN THE ARCTIC SOILS OF THE WESTERN COAST OF SVALBARD ARCHIPELAGO
Kryauchyunas V.V., Iglovsky S.A., Shakhova E.V., Malkov A.V.
Abstract
Accumulation, migration of heavy metals in the Arctic soils of the western coast of the island West Spitsbergen have been studied. The main ways of heavy metals intake to the soil have been established. The raised concentration of strontium in the Arctic soils of the archipelago is induced by its natural concentration in maternal deposits.
Ekologiya cheloveka (Human Ecology). 2014;(9):8-13
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REGIONAL FEATURES OF THE ELEMENTAL HOMEOSTASIS AS AN INDICATOR OF ECOLOGICAL AND PHYSIOLOGICAL ADAPTATION
Skalny A.V., Miroshnikov S.A., Notova S.V., Miroshnikov S.V., Bolodurina I.P., Alidzhanova I.E.
Abstract
The research presents element composition of residents hair in the Orenburg region (n = 1 748) aged 8 to 65 years by methods ICP-AS and ICP-MS. Own results on the content of chemical elements in hair compared with centile intervals ( 25-75) obtained during population studies in different regions of Russia . There was a reduction of 25-75 centiles values for selenium, cobalt, chromium from 2 to 5 times in comparison with the average Russian values. It is not found a distinct effect the region of residence centile on values of toxic elements - cadmium, lead and tin. A lot of the examined observables excess magnesium, silicon and lithium. The obtained results are recommended for evaluation of the elemental composition of hair residents Orenburg region.
Ekologiya cheloveka (Human Ecology). 2014;(9):14-17
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DYNAMICS OF THE INCIDENCE AND MORTALITY OF COLON CANCER IN 2000-2010 IN ARKHANGELSK REGION (POPULATION STUDY)
Lebedeva L.N., Valkov M.Y., Asakhin S.M., Krasilnikov A.V.
Abstract
Objective. To give medical and ecological evaluation for the epidemiology of colon cancer (CC) between 2000 and 2010 in Arkhangelsk oblast (AO) by the data of regional population cancer registry (ARCR). Materials and methods. Data on all cases of CC (C18.0-C18.9) in the AO in 2000-2010 were extracted from the database of the ARCR. The incidence and mortality from CС by sex, age, place of residence and tumor location studied. Adjustment for age was performed using WHO 2000 age standard. Data on population number were extracted from Arkhangelskstat. Results. Over the study period, 3267 cases of the CC were registered. Crude and standardized CC incidence increased during the period by 44.3% and 27.44, respectively. Mortality from CC in 2010 was 12.5 per 100 000 population. Epidemiological indicators are higher than in average in Russia, showing the same dynamics. Probability to get CC progressively elevates with age accounting 5.5 and 8.1 vs 190.3 and 142.3 per 100 000 male and female population at age 40-49 vs 70 years and older, respectively. Crude CC incidence in AO is higher in the female population while standardized one was higher among males. This is explained by a much smaller proportion of the males in older age groups and confirms the importance of standardization. The CC incidence rates are lower in rural population comparatively to urban one. Levels and trends of CC incidence among inhabitants of cities with pulp and paper plants were similar to that in other cities of AO. Conclusions. Epidemiological model for CC in both AO and Russia in whole shows progressively increasing incidence and mortality with relatively small gap between them and substantially differs from that in developed countries. Pulp and paper industry does not influence on CC incidence.
Ekologiya cheloveka (Human Ecology). 2014;(9):18-23
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ALCOHOL CONSUMPTION THE DAY BEFORE DEATH AND MORTALITY FROM TRAUMAS, INTOXICATIONS AND OTHER EFFECTS OF EXTERNAL CAUSES
Mordovsky E.A., Soloviev A.G., Vyazmin A.M., Kuzin S.G., Kolyadko E.A.
Abstract
Mortality from traumas, intoxications and other effects of external causes (S00-T98) is a pressing issue in Russia. The goal of the study is to assess an associative relation between alcohol consumption the day before lethal outcome and mortality from conditions S00-T98. Methods. Bureau of Forensic Medical Examination handed in data about sex, lifespan of a deceased person, legal diagnosis, death circumstances, ethanol concentration in blood from 1 607 “Expert’s Conclusions”, “Acts of legal Post-mortem Examination” issued from July 1 st till December 31 st 2011. Results. Among 19.9 % of the deceased the main legal diagnosis belonged to the group of conditions S00-T98. Ethanol in blood was detected in every forth deceased person (23.6 % with 95 % C.I.: 21.6-25.8). Odds ratio to detect ethanol in blood of people who died because of the mentioned causes in comparison with other causes was higher apart from the sex. In the blood of every second victim of a suicide, drowning, fire, ethanol in concentration 3.0 % and more has been detected. The average life expectancy of people who died from conditions S00-T98 whose blood contained ethanol was 10 years less. Conclusion. The analysis of medical records confir s presence of an associative interrelation between alcohol consumption day before a lethal outcome and mortality from traumas, intoxications and other effects of external causes.
Ekologiya cheloveka (Human Ecology). 2014;(9):24-29
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APPLICATION OF TELEMEDICINE TECHNOLOGIES IN NENETS AUTONOMOUS OKRUG
Karpunov A.A., Basova L.A., Kochorova L.V., Martynovd N.A.
Abstract
The article presents the peculiarities of telemedicine studios (TM) located in Nenets Autonomous Okrug (NAO). The activities’ analysis of TM studio at Nenets District Hospital was performed for the period of five years. A long-term target program “Development of telemedicine in NAO” contributing to equal rights realization in obtaining skilled and specialized medical care in remote areas of the Okrug has been launched since 2010. Its basis is the concept of sustainable evolution of indigenous peoples inhabiting the North of the Russian Federation. Under this program telemedicine technologies were widely used in the work of the District Hospital. In the analyzed period of time the number of scheduled and emergency TM consultations increased by 2-3 times.
Ekologiya cheloveka (Human Ecology). 2014;(9):30-34
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MENTAL ECOLOGY OF THE EARLY PSYCHIC TRAUMA
Sidorov P.I., Yakovleva V.P.
Abstract
Fractal dynamics of the development of child’s early psychic traumas’ after-effects is described in the article. Predisposition fractals are marked out of a traumatogenic family, latent of pretraumatic diathesis, initial of functional disorders in the debut of a psychic trauma, a full-scaled clinical picture of the post-traumatic stress disorder, chronization of the personality post-reactive formation, the outcome of the personality disorders. The program of medico-psycho-socio-spiritual assistance was validated and the method of determination of early psychic traumas severity level was offered.
Ekologiya cheloveka (Human Ecology). 2014;(9):35-41
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CHARACTERISTIC OF HEMISPHERIC ASYMMETRYAMONG THE ELDERLY RESIDENTS OF THE CIRCUMPOLAR REGION
Deputat I.S.
Abstract
The article presents the results of the study of interhemispheric asymmetry among 28 men and 33 women of the elderly age. Interhemispheric asymmetry was assessed by DC-potential level difference between symmetrical areas of the brain. The DC-potential were recorded, processed and analyzed using a 12-channel hardware and software diagnostic complex “Neuroenergometr -КМ» in the unipolar leads. The resulting distribution characteristics DC-potential were compared with the average standard values for the corresponding age period incorporated into the complex software. It was revealed that interhemispheric interaction among the elderly living in the North was changed in comparison with normative data that is expressed in the individual variability of the hemispheric differences in the group of men and women. Smoothing hemispheric asymmetry was observed among men living in the North in the frontal leads and among women in central ones and hemispheric dominance in the central leads of men. In both groups, there is left-hemisphere dominance in the parietal and frontal leads of women.
Ekologiya cheloveka (Human Ecology). 2014;(9):42-47
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PHYSIOLOGICAL BASIS OF THE FUNCTIONAL BIOFEEDBACK METHODS
Demin D.B., Poskotinova L.V.
Abstract
The review contains a definition and the essence of biofeedback functional methods. The historical, scientific aspects and the main hypotheses are given here explaining the mechanisms of biofeedback. Different techniques and methods of biofeedback are discussed, as well as the scope of the rapidly developing technology of biofeedback. Emphasis is put on physiological mechanisms and prospects of heart rate variability biofeedback methods of development.
Ekologiya cheloveka (Human Ecology). 2014;(9):48-59
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CORRELATION ANALYSIS USING STATA
Unguryanu T.N., Grjibovski A.M.
Abstract
International School of Public Health, Northern State Medical University Arkhangelsk, Russia *Department of International Public Health, Norwegian Institute of Public Health, Oslo, Norway In this paper we present general principles of correlation analysis and its use in biomedical research. Practical examples of correlation analysis are given. Calculations of Pearson’s and Spearmen’s correlation coefficients are presented using formulas and STATA software. Main assumptions for the use of correlation analysis are discussed as well as general principles of presentation of the results in biomedical publications. The article presents only general information about correlation analysis and does not substitute special statistical literature.
Ekologiya cheloveka (Human Ecology). 2014;(9):60-64
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