Pupillary reaction according to a balance autonomic nervous organ of vision in healthy children

2016 ◽  
Vol 94 ◽  
Author(s):  
N. Bushuyeva ◽  
S. Dukhayer ◽  
S. Slobodianyk
2015 ◽  
Vol 28 (3) ◽  
pp. 627-636 ◽  
Author(s):  
Gustavo Henrique de Oliveira Mondoni ◽  
Luiz Carlos Marques Vanderlei ◽  
Bruno Saraiva ◽  
Franciele Marques Vanderlei

AbstractIntroduction It is known that physical exercise is beneficial and precipitates adjustments to the autonomic nervous system. However, the effect of exercise on cardiac autonomic modulation in children, despite its importance, is poorly investigated.Objective To bring together current information about the effects of exercise on heart rate variability in healthy and obese children.Methods The literature update was performed through a search for articles in the following databases; PubMed, PEDro, SciELO and Lilacs, using the descriptors “exercise” and “child” in conjunction with the descriptors “autonomic nervous system”, “sympathetic nervous system”, “parasympathetic nervous system” and also with no descriptor, but the key word of this study, “heart rate variability”, from January 2005 to December 2012.Results After removal of items that did not fit the subject of the study, a total of 9 articles were selected, 5 with healthy and 4 with obese children.Conclusion The findings suggest that exercise can act in the normalization of existing alterations in the autonomic nervous system of obese children, as well as serve as a preventative factor in healthy children, enabling healthy development of the autonomic nervous system until the child reaches adulthood.


2021 ◽  
Vol 42 (Supplement_1) ◽  
Author(s):  
O V Sidorovich ◽  
S Y U Elizarova ◽  
A V Khizhnyak ◽  
N A Kuznetsova ◽  
E E Prosova

Abstract   Within the framework of the research into pathological conditions and syndromes associated with undifferentiated connective tissue dysplasia (UCTD), an emphasis needs to be placed on the changes in heart rhythm. In puberty, the severity of neurovegetative disorders caused by the presence of UCTD might increase manifold. The features of heart rate variability (HRV) in pubertal children against the background of UCTD have been studied insufficiently and require more detailed analysis. This study aims to assess heart rate variability and tone of the autonomic nervous system (ANS) in puberty-aged children with UCTD. Two groups of children were examined, with methods including electrocardiography and cardiointervalography. The main group consisted of 36 puberty-aged children with UCTD, the control group consisted of 30 healthy children. ANS tone was assessed based on the HRV. In the control group of children aged 11, the value of variation range (VR) was 0.18±0.4, mode amplitude (MA) 35.2±2.4, stress index (IN) 72.8±4.3, which corresponds to the state of vegetative balance. As the puberty progresses, the state of eutonia is replaced by the activation of the sympathetic division of the ANS, which becomes most pronounced at the age of 13 years. In the control group of children aged 13, the value of VR was 0.08±0.02, MA 61.7±2.1, SI 210.6±8.6, which corresponds to moderate sympathicotonia. By the end of puberty, in healthy children, the severity of sympathetic activation begins to decrease, and at the age of 15 years, vegetative balance is again observed. However, this pattern is violated in children with UCTD. Upon entering puberty, moderate activation of the sympathetic division of the ANS is already observed in children with UCTD. At the age of 11 years in this group, the value of VR is 0.06±0.02, MA 72.4±3.1, SI 211.2±8.6. At the age of 13, pronounced sympathicotonia is observed, which is confirmed by the values of VR - 0.04±0.01, MA 80.2±4.3 and SI 34.3±14.7. By the end of puberty in children with UCTD, in contrast to the control group, the analyzed parameters indicate not an equilibrium of the ANS, but the predominance of parasympathetic activation. The research provides an insight into heart rate variability in puberty-aged children with UCTD. It was established that healthy children enter puberty in a state of equilibrium of the autonomic nervous system, which in the middle of puberty is replaced by moderate sympathicotonia, and then returns to its original values. Children with the presence of UCTD enter puberty with moderately pronounced sympathicotonia, which gradually increases to pronounced values and is replaced by moderate vagotonia. FUNDunding Acknowledgement Type of funding sources: None.


2021 ◽  
Vol 12 (2) ◽  
pp. 13-18
Author(s):  
Vladimir N. Buryak ◽  
Tatyana I. Antonova ◽  
Maria V. Dudko ◽  
Inna V. Malysheva ◽  
Kirill K. Shepelenko

Background. In most industrialized countries, allergic diseases affect up to 20% of the population. This pathology belongs to the most common in children: according to the World Health Organization, more than 15% of the world's child population suffers from it. In recent years, there has been a significant increase in the frequency and more severe course of these diseases, in connection with which they are considered in modern society as a major medical and social problem. Thus, the prevalence of bronchial asthma, according to domestic and foreign authors, ranges from 0.2 to 8.1%. Purpose. In order to clarify the role of the autonomic nervous system in the genesis of the mild course of atopic bronchial asthma in childhood, the features of the interaction of the sympathetic and parasympathetic divisions of the autonomic nervous system in the examined children were clarified. Materials and methods. 126 children aged 10 to 14 years were examined. Atopic bronchial asthma was diagnosed in 91 children. At the same time, 61 of them were diagnosed with an intermittent course, 30 a mild persistent course of the disease. The control group consisted of 35 healthy children also aged 10 to 14 years. Complaints, anamnesis data were studied in all children, an objective and generally accepted laboratory and instrumental examination was carried out. All examined children underwent daily monitoring of the electrocardiogram, according to the results of which, based on the analysis of time and frequency indicators of heart rate variability, a variant of the initial autonomic tone was established. Results. In children with atopic bronchial asthma, both with intermittent and mild persistent course, an absolute or relative dominance of sympathetic influences was revealed against the background of varying degrees of decrease in parasympathetic activity, which was interpreted as a compensatory reaction of the body in response to chronic allergic inflammation.


2009 ◽  
Vol 18 (1) ◽  
pp. 19-24
Author(s):  
Maggie-Lee Huckabee

Abstract Research exists that evaluates the mechanics of swallowing respiratory coordination in healthy children and adults as well and individuals with swallowing impairment. The research program summarized in this article represents a systematic examination of swallowing respiratory coordination across the lifespan as a means of behaviorally investigating mechanisms of cortical modulation. Using time-locked recordings of submental surface electromyography, nasal airflow, and thyroid acoustics, three conditions of swallowing were evaluated in 20 adults in a single session and 10 infants in 10 sessions across the first year of life. The three swallowing conditions were selected to represent a continuum of volitional through nonvolitional swallowing control on the basis of a decreasing level of cortical activation. Our primary finding is that, across the lifespan, brainstem control strongly dictates the duration of swallowing apnea and is heavily involved in organizing the integration of swallowing and respiration, even in very early infancy. However, there is evidence that cortical modulation increases across the first 12 months of life to approximate more adult-like patterns of behavior. This modulation influences primarily conditions of volitional swallowing; sleep and naïve swallows appear to not be easily adapted by cortical regulation. Thus, it is attention, not arousal that engages cortical mechanisms.


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