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Autonomic nervous system functions in obese children
C Yakinci1, B Mungen, H Karabiber
1Department of Pediatrics, Inönü University Medical School, Malatya, Turkey.
Brain & Development
|May 18, 2000
Summary
Childhood obesity is linked to autonomic nervous system (ANS) dysfunction. Obese children show parasympathetic nervous system hypoactivity, suggesting it
Area of Science:
- Pediatric Endocrinology
- Autonomic Neuroscience
- Obesity Research
Background:
- Childhood obesity is a complex health issue with unclear contributing factors.
- Autonomic nervous system (ANS) dysfunction is noted in adult obesity, but its role in children is not well-defined.
Purpose of the Study:
- To investigate autonomic nervous system function in children aged 7-13 with simple obesity.
- To identify potential ANS dysfunction as a risk factor or associated finding in pediatric obesity.
Main Methods:
- Compared 33 obese children and 30 healthy controls using four non-invasive ANS function tests.
- Tests included Orthostatic test, Valsalva ratio, 30/15 ratio, and heart rate responses to deep breathing.
- Ophthalmic examinations were conducted on all participants.
Main Results:
- Statistically significant differences were observed in Valsalva ratio, 30/15 ratio, and heart rate responses to deep breathing between obese and control groups (P<0.025).
- No significant difference was found in the Orthostatic test (P>0.05).
- Ophthalmic findings were normal in both groups.
Conclusions:
- Results suggest normal sympathetic activity but hypoactivity of the parasympathetic nervous system in obese children.
- Parasympathetic nervous system dysfunction may be a risk factor or associated finding in childhood obesity.
- Further research is warranted to explore the implications of ANS dysfunction in pediatric obesity management.