Morphofunctional Characteristics of Mongolian Children and Adolescents Living in Different Ecological Zones

2021 ◽  
Vol 49 (1) ◽  
pp. 146-153
Author(s):  
E. Z. Godina ◽  
L. Gundegmaa ◽  
E. Y. Permyakova
Keyword(s):  
Children And Adolescents ◽  
Climatic Conditions ◽  
Biological Study ◽  
Ecological Niches ◽  
Control Group ◽  
Taiga Zone ◽  
Ecological Zones ◽  
Urban Sample ◽  
Maximal Average ◽  
Mountain Taiga

In 2014–2015, 13,477 Mongolian schoolchildren (5833 boys and 7644 girls from different regions of the country), aged 8–17, were subjected to a comprehensive biological study. The program included 50+ anthropometric and anthroposcopic traits. Out of this set, bodily dimensions and functional parameters were used for the present paper. Their analysis was carried out among residents of mountain-taiga, steppe, and desert zones, which are still the main ecological niches of Mongolia. The urban sample (the best known Mongolian population, which included only subjects born and living in Ulaanbaatar) was used as a control group. The urban children and adolescents, as well as those living in the mountain-taiga zone, are characterized by maximal average values of the parameters. In the capital, these parameters are mostly affected by the living conditions, which are the best, confirming the results of previous studies. At the same time, the stressful urban factors account for higher indicators of the hemodynamic system in urban schoolchildren. The resemblance of these characteristics in steppe and desert dwellers results from relatively similar climatic conditions and physical stress patterns.

Peculiarities of the course of the postpartum period in domestic reindeer females, its morphophysiology and behavioral reactions in the North-East of Russia (Republic of Sakha)

2020 ◽  
pp. 99-105
Author(s):  
V. Fedorov ◽  
E. Sleptsov ◽  
K. Plemyashov
Keyword(s):  
Postpartum Period ◽  
Reproductive Function ◽  
Complex Problem ◽  
Climatic Conditions ◽  
Taiga Zone ◽  
Behavioral Reactions ◽  
North East ◽  
The North ◽  
The Republic ◽  
Mountain Taiga

A growth in the number of deer and an increase in their productivity are closely related to the solution of the complex problem of reproduction and rational use of deer females. Significant damage to reindeer husbandry is caused by the barrenness of northern domestic deer, the level of which has been quite high in recent years. So, in the Republic of Sakha, on 01.01.2020, the number of domesticated reindeer was 152,068, of which female deer and heifers — 71,818, offspring per 100 females — 59, business yield amounted to 52 fawns per 100 females. The causes of infertility are very diverse, as the natural and climatic conditions of the breeding zones have a significant influence on the reproductive function of reindeer. In Yakutia, the main population of northern domestic deer is bred in mountain taiga and tundra natural-climatic zones, so there are about 55 thousand deer in the mountain taiga zone and more than 65 thousand deer in the tundra zone. In this regard, the study of the peculiarities of the postpartum period course in domestic reindeer females, its morphophysiology, and behavioral reactions depending on the natural and climatic conditions of breeding is of great importance.

STRUCTURE AND DYNAMICS OF ENVIRONMENTAL PARAMETERS OF HUMAN INTESTINAL MICROBIOME IN DIFFERENT CLIMATIC AND ECOLOGICAL ZONES OF ST. PETERSBURG

2020 ◽  
pp. 31-36
Author(s):  
Bugero N.V. ◽  
Ilyina N.A. ◽  
Aleksandrova S.M.
Keyword(s):  
Environmental Parameters ◽  
Intestinal Microbiome ◽  
Ecological Niches ◽  
Horizontal Structure ◽  
Ecological Zones ◽  
Qualitative And Quantitative ◽  
Symbiotic Relationships ◽  
Structure And Dynamics ◽  
Quantitative Changes ◽  
Micro Organisms

In order to understand the structure and dynamics of symbiotic relationships of human intestinal biotope micro-organisms, taxonomic constancy indices, the degree of contagion of the biocenosis under study and floristic significance were investigated, which made it possible to detect qualitative and quantitative changes in the microecology of the biotope being studied in persons living in different ecologically heterogeneous territories of Saint Petersburg. The contagiosity index estimated the distribution of species in space. Persons living in the ecologically disadvantaged Kirov district of the city have been found to show a reliable increase in this indicator for the obligate microflora: bifido and lacto bacteria, intestinal columns and bacteroids, compared to the resort district, which is considered a relatively favourable area for residence. On the contrary, there has been a reliable decrease in this indicator in the group of opportunistic micro-organisms (fungi of the genus Candida, staphylococcus, clostridium, etc.), resulting in the liberation of ecological niches successfully occupied by transient flora. This ratio reveals an imbalance of participation in the horizontal structure of the intestine ecosystem of the main symbiotes and representatives of the transient flora. To analyse the structure of symbiotic relationships, the constancy indices that form the microflora of the individuals of the groups studied were investigated. The analysis of the data obtained suggested that the dominant species in both groups were optional-anaerobic bifido and lactobacteria and oblique-anaerobic bacteroids. It should be noted, however, that in the residents of the dysfunctional Kirovsky district, against the background of the reduced constancy of the normal flora, opportunistic micro-organisms have entered. The floral significance index was also declining in the obligate flora of this group and increased for opportunistic species. Thus, the study of the environmental characteristics of the intestinal biotope using different ecological parameters for persons living in different technogenic load regions of St. Petersburg has shown that in the Kirov district with an unfavourable environmental situation there are compensated qualitative and quantitative changes in the intestinal microbiocenosis, resulting in a change in the hierarchy in the overall structure of micro-organisms.

scholarly journals Heart rate recovery in asthmastic children and adolescents after clinical field test

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Élida Pereira Silva ◽  
Bruno Alvarenga Soares ◽  
Mariana M. Reimberg ◽  
Raphael Ritti-Dias ◽  
Karina Silva Nascimento ◽  
...  
Keyword(s):  
Heart Rate ◽  
Children And Adolescents ◽  
Asthma Control ◽  
Functional Capacity ◽  
Heart Rate Recovery ◽  
Statistical Significance ◽  
Categorical Variables ◽  
Control Group ◽  
Asthma Control Test ◽  
Asthmatic Children

Abstract Background Inflammation caused by chronic lung disease in childhood may lead to delayed heart rate recovery (HRR) however, there is lack of evidence on HRR in this population. The aim was to assess HRR after functional capacity testing in asthmatic children and adolescents and to compare with severity and disease control. Method This was a study secondary to a randomized control trial. The modified shuttle test (MST) was performed to assess functional capacity and HRR. This is an externally cadenced test in which the distance walked is the outcome. HRR was assessed after MST and was defined as HR at exercise peak minus HR in the second minute after the end of exercise. Asthma control was assessed by the Asthma Control Test (ACT). Data normality was tested by Shapiro Wilk and the comparison between groups was made by Student’s t test or Mann Whitney test for numerical variables, and by Chi-square test for categorical variables. Statistical significance was considered when p < 0.05. SPSS version 20 was used in the analyzes. Results The sample included 77 patients diagnosed with asthma (asthma group - AG) who were regularly treated for asthma. Control group (CG) consisted of 44 volunteers considered healthy, matched in age and gender to AG. The median age of CG was 12 (10–14) years and in AG 11 (9–13 years) being classified as mild to moderate asthmatic, and 57% of the sample had controlled asthma by ACT. Distance walked in the CG was 952 ± 286 m and AG 799 ± 313 m, p = 0.001. HRR was more efficient in CG (79 ± 15 bpm) compared to AG (69 ± 12 bpm), p = 0.001. The mild (69 ± 12 beats) and severe (72 ± 15 beats) AG presented worse HRR compared to control group (79 ± 15 bpm), p < 0.05. Conclusions Asthmatic children and adolescents have delayed HRR after modified Shuttle test compared to their peers, suggesting that asthma leads to autonomic nervous system imbalance. Trial registration: Registered in Clinical Trials under number NCT02383069 and approved by the Universidade Nove de Julho - UNINOVE Research Ethics Committee, protocol number 738192/2014.

Brain-Derived Neurotrophic Factor in Children and Adolescents with Cirrhosis Due to Biliary Atresia

2016 ◽  
Vol 69 (1) ◽  
pp. 1-8
Author(s):  
Maria Inês A. Wilasco ◽  
Carolina Uribe-Cruz ◽  
Daniele Santetti ◽  
Bianca Pfaffenseller ◽  
Cristina T.L. Dornelles ◽  
...  
Keyword(s):  
Nutritional Status ◽  
Biliary Atresia ◽  
Children And Adolescents ◽  
Neurotrophic Factor ◽  
Energy Homeostasis ◽  
Standard Deviation Score ◽  
Brain Derived Neurotrophic Factor ◽  
Control Group ◽  
Anthropometric Parameters ◽  
Age Ratio

Background: The nutritional status in patients with cirrhosis is not so easy to assess properly. Considering the relationship between brain-derived neurotrophic factor (BDNF) and energy homeostasis, the main aim of this study was to evaluate the concentration of BDNF in children and adolescents with cirrhosis due to biliary atresia (BA) and correlate it with their nutritional status. Methods: Fifty-three children and adolescents with cirrhosis due to BA and 33 healthy controls were enrolled in this study. Nutritional status was evaluated using anthropometric parameters, and serum BDNF was measured by ELISA. Spearman coefficient was used to evaluate the correlation between variables. Results: In the cirrhosis group, 28.8% were undernourished and in the control group, 100% were well-nourished. BDNF median values for the control and cirrhosis group were 28.5 and 9.0 pg/ml respectively. BDNF and platelets were positively associated with both Standard Deviation Score (SDS) for height-for-age ratio and SDS for triceps skinfold thickness-for-age ratio. Conclusions: Considering these associations, BDNF may be an indirect biomarker of nutritional status in children and adolescents with chronic liver disease. Further studies must be conducted to clarify the role of BDNF in this population.

scholarly journals Evaluation of depression and self-esteem in children with monosymptomatic nocturnal enuresis: A controlled trial

2014 ◽  
Vol 86 (3) ◽  
pp. 212 ◽  
Author(s):  
Orhan Koca ◽  
Mehmet Akyüz ◽  
Bilal Karaman ◽  
Zeynep Yesim Özcan ◽  
Metin Öztürk ◽  
...  
Keyword(s):  
Children And Adolescents ◽  
Nocturnal Enuresis ◽  
Depression Scale ◽  
Self Esteem ◽  
Control Group ◽  
Case Group ◽  
Healthy Children ◽  
Significant Difference ◽  
Monosymptomatic Nocturnal Enuresis ◽  
Age Range

Objectives: Nocturnal enuresis (NE) is very common and is one of the most common causes for patients to be admitted to urology, pediatrics, child psychiatry and child surgery departments. We aimed to investigate the effect on depression and self-esteem of this disorder that can cause problems on person's social development and human relations. Material and methods: 90 patients who were admitted to our clinic with complaints of nocturnal enuresis were enrolled. Investigations to rule out organic causes were performed in this group of patients. Out of them 38 children and adolescents (age range 8-18 years) with primary monosymptomatic nocturnal enuresis (PMNE) agreed to participate in the study In the same period 46 healthy children and adolescents with a similar age range without bed wetting complaint were included in the study as a control group. The age of the family, educational and socioeconomic level were questioned and Piers-Harris Children's Self-Concept Scale (PHCSCS) and Children's Depression Inventory (CDI) forms were filled out. Results: Mean age of the cases (18 females or 47.4% and 20 males or 52.6%) was 10.76 ± 3.82 years whereas mean age of controls (26 females or 56.5% and 20 males or 43.5%) was 10.89 ± 3.11 years. Depression scale was significantly higher (p = 0.001) in the case group than in the control group (10.42 ± 4.31 vs 7.09 ± 4.35). In both groups there was no statistically significant difference by age and sex in terms of depression scale (p &gt; 0.05). Conclusion: NE is widely seen as in the community and is a source of stresses either for children and for their families. When patients were admitted to physicians for treatment, a multidisciplinary approach should be offered and the necessary psychological support should be provided jointly by child psychiatrists and psychologists.

scholarly journals Prevalence of developmental defects of enamel in children and adolescents with asthma

2009 ◽  
Vol 35 (4) ◽  
pp. 295-300 ◽  
Author(s):  
Rodrigho Pelisson Guergolette ◽  
Cássia Cilene Dezan ◽  
Wanda Terezinha Garbelini Frossard ◽  
Flaviana Bombarda de Andrade Ferreira ◽  
Alcindo Cerci Neto ◽  
...  
Keyword(s):  
Children And Adolescents ◽  
Symptom Onset ◽  
Dental Enamel ◽  
Asthma Severity ◽  
Control Group ◽  
Developmental Defects ◽  
Enamel Defects ◽  
Increased Risk ◽  
Asthma Patients ◽  
Developmental Defects Of Enamel

OBJECTIVE: This study aimed to evaluate the prevalence of developmental defects of enamel (DDEs) in relation to asthma severity, symptom onset and pharmacological treatment in pediatric asthma patients. METHODS: Children and adolescents (68 asthma patients and 68 controls), 5-15 years of age and residents of the city of Londrina, Brazil, were enrolled in the study. Medical and dental histories were collected through the use of a structured questionnaire. Each participant underwent a dental examination in which the examiner employed the DDE index. RESULTS: Of the 68 asthma group subjects, 61 (89.7%) presented dental enamel defects, compared with only 26 (38.2%) of those in the control group. Using multivariate logistic regression analysis, we estimated the risk of DDEs in permanent dentition to be 11 times higher in pediatric subjects with asthma than in those without (OR = 11.88, p = 0.0001). The occurrence of dental enamel defects correlated with greater asthma severity (p = 0.0001) and earlier symptom onset (p = 0.0001). However, dental enamel defects did not correlate with the initiation of treatment (p = 0.08) or the frequency of medication use (p = 0.93). CONCLUSIONS: Pediatric patients with severe, early-onset asthma are at increased risk of dental enamel defects and therefore require priority dental care.

scholarly journals Clinical and neuropsychological assessment of executive function in a sample of children and adolescents with idiopathic epilepsy

2014 ◽  
Vol 72 (12) ◽  
pp. 954-959 ◽  
Author(s):  
Andrea Bandeira de Lima ◽  
Fernanda Moreira ◽  
Marleide da Mota Gomes ◽  
Heber Maia-Filho
Keyword(s):  
Academic Performance ◽  
Executive Function ◽  
Executive Functions ◽  
Children And Adolescents ◽  
Clinical Data ◽  
Wisconsin Card Sorting Test ◽  
Idiopathic Epilepsy ◽  
Control Group ◽  
Seizure Type ◽  
Card Sorting

Objective To compare the executive functions of children and adolescents with idiopathic epilepsy with a control group and to correlate with clinical data, intelligence and academic performance. Method Cross-sectional, descriptive and analytical study. Thirty-one cases and thirty-five controls were evaluated by the WCST (Wisconsin Card Sorting Test).The results were compared with clinical data (seizure type and frequency, disease duration and number of antiepileptic drugs used), IQ (WISC-III) and academic performance (APT). Results Patients with epilepsy had poorer executive function scores. There was no positive linear correlation between test scores and epilepsy variables. There was a positive association between academic performance and some executive function results. Conclusion Children with well controlled idiopathic epilepsy may show deficits in executive functions in spite of clinical variables. Those deficits may influence academic performance.

scholarly journals Self-Esteem Evaluation in Children and Adolescents Suffering from ADHD

2013 ◽  
Vol 9 (1) ◽  
pp. 96-102 ◽  
Author(s):  
Luigi Mazzone ◽  
Valentina Postorino ◽  
Laura Reale ◽  
Manuela Guarnera ◽  
Valeria Mannino ◽  
...  
Keyword(s):  
Children And Adolescents ◽  
Treatment Strategies ◽  
Well Being ◽  
Self Esteem ◽  
Control Group ◽  
Healthy Controls ◽  
Adhd Symptoms ◽  
The Relationship ◽  
Drug Free

Background: Several recent studies investigated the relationship between self-esteem and ADHD, however, the results are still controversial. In the present study we analyze the characteristics of self-esteem in a sample of children and adolescents suffering from ADHD, with a particular focus on the relationship between ADHD symptoms severity and treatment strategies. Methods: A total of 85 patients with ADHD (44 drug-free and 41 drug-treated, 23 of which atomoxetine-treated and 18 Methylphenidate-treated) and 26 healthy controls were enrolled in the study in order to evaluate self-esteem using the Self-esteem Multidimensional Test (TMA). Results: ADHD subjects revealed lower scores on all self-esteem domains compared to controls. Both ADHD drug-free (47.1%) and ADHD drug-treated (44.1%) groups showed significantly higher rates of subjects in the pathological range as compared to normal control group (8.8%) (p <.001) with a higher percentage of subjects in the pathological range. Among ADHD drug-treated subjects, the methylphenidate group showed higher self-esteem scores as compared to the atomoxetine group. Conclusion: A lower self-esteem profile is more common in subjects suffering from ADHD than in healthy controls, suggesting the importance of an early detection of psychological well-being in these children in order to reduce the ADHD symptoms long-term impacts.

scholarly journals Feeding Experiments on Vittina Turrita (Mollusca, Gastropoda, Neritidae) Reveal Tooth Contact Areas and Bent Radular Shape During Foraging

2021 ◽  
Author(s):  
WENCKE KRINGS ◽  
CHRISTINE HEMPEL ◽  
LISA SIEMERS ◽  
MARCO NEIBER ◽  
STANISLAV GORB
Keyword(s):  
Experimental Approach ◽  
Tooth Wear ◽  
Ecological Niches ◽  
Control Group ◽  
Contact Areas ◽  
The Past ◽  
Feeding Experiments ◽  
Feeding Structure ◽  
3D Architecture ◽  
Area And Volume

Abstract The radula is the food gathering and processing structure and one important autapomorphy of the Mollusca. It is composed of a chitinous membrane with small, embedded teeth representing the interface between the organism and its ingesta. In the past, various approaches aimed at connecting the tooth shapes, which are highly distinct within single radulae due to their different functions. However, conclusions from the literature have been mainly drawn from microscopical analyses of mounted radulae, but the real interacting radular parts – even though the precise contact areas are essential for determining a tools functionality – and the 3D architecture of this complex feeding structure have not been previously determined. In the experimental approach presented here individuals of Vittina turrita (Neritidae, Gastropoda) were fed with algae paste attached to different sandpaper types. By comparison with radulae from a control group, sandpaper-induced tooth wear patterns were identified and both the area and volume loss were quantified. In addition to the exact contact area of each tooth, conclusions about the 3D position of teeth and the radular bending during feeding motion could be drawn. Furthermore, hypotheses about the specific functions of individual tooth types could be put forward. This kind of feeding experiments under controlled conditions is new for Mollusca and may provide a good basis for future studies on the radula functional morphology. It can be potentially applied to species with distinct tooth morphologies and ecological niches.

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