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A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites
Published on: March 1, 2018
Urinary catecholamine levels and dentofacial injuries in children
A P Vanderas1, L Papagiannoulis
1Department of Pediatric Dentistry, School of Dental Medicine, University of Athens, Greece.
Summary
Children with dentofacial injuries exhibit altered urinary catecholamine levels, suggesting a link to emotional stress. Emotionally stressed children may face a higher risk of sustaining these injuries.
Area of Science:
- Pediatric Health
- Biochemistry
- Psychoneuroendocrinology
Background:
- Dentofacial injuries are common in children.
- The relationship between stress and injury risk is not fully understood.
- Urinary catecholamines are biomarkers of physiological stress.
Purpose of the Study:
- To investigate the association between urinary catecholamine levels and dentofacial injuries in children.
- To explore potential differences in catecholamine profiles between injured and non-injured children.
- To examine gender-based differences in catecholamine levels related to injuries.
Main Methods:
- Study included 221 children aged 8-10 years.
- Collected three 24-hour urine samples annually for catecholamine analysis (epinephrine, norepinephrine, dopamine) using high-performance liquid chromatography.
- Dentofacial injuries assessed via questionnaires and clinical examinations; socioeconomic factors recorded.
Main Results:
- Significant differences in epinephrine and norepinephrine levels were observed between control and injured groups (Case Group A).
- Case Group B showed significant differences in epinephrine and dopamine (first sample), and epinephrine (second sample) compared to controls.
- Injured boys exhibited higher catecholamine levels than injured girls, with notable gender differences in norepinephrine.
Conclusions:
- Children with dentofacial injuries show altered urinary catecholamine levels, indicating heightened emotional stress.
- Emotional stress may be a contributing factor to the development of dentofacial injuries in children.
- Findings suggest a potential link between stress, catecholamine excretion, and injury susceptibility.

