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Examining the stress response and recovery among children with migraine
Debra Huss1, Karen Derefinko, Richard Milich
1Department of Psychology, University of Kentucky, Lexington, Kentucky 40506-0044, USA.
Insights
Children with migraine show heightened physiological responses and slower recovery from stress compared to healthy peers. Anxiety levels influenced these differences, suggesting a role in migraine pathophysiology.
Area of Science:
- Pediatric neurology
- Autonomic nervous system function
- Psychophysiology
Background:
- Migraine is a common neurological disorder in children.
- Understanding the physiological underpinnings of pediatric migraine is crucial for effective management.
- Autonomic nervous system dysregulation may play a role in migraine.
Purpose of the Study:
- To compare physiological responses to emotional stress in children with and without migraine.
- To investigate the role of anxiety in the physiological differences observed.
Main Methods:
- Physiological measures (heart rate, blood pressure) and psychological assessments were conducted in children with pediatric migraine and healthy controls.
- Measures were taken at rest, during emotional stress, and during recovery.
- Anxiety was analyzed as a covariate.
Main Results:
- Children with migraine had higher resting pulse rates.
- Migraineurs showed elevated diastolic blood pressure and a higher low-frequency/high-frequency ratio post-stress.
- These group differences diminished when anxiety was controlled for.
Conclusions:
- Children with migraine exhibit altered autonomic nervous system function, including elevated arousal and prolonged recovery from stress.
- Anxiety appears to mediate some of the observed physiological differences.
- Findings suggest potential therapeutic targets related to stress response and anxiety management in pediatric migraine.
Objective:
This study compared physiological differences between children diagnosed with migraine and their healthy peers.
Method:
Physiological measures were obtained at baseline, after discussing an emotional stressor, and after a 5-min recovery period in 21 children with pediatric migraine and 32 healthy peers. Comparisons were also made on psychological measures investigating anxiety.
Results:
Children with migraine exhibited a significantly higher pulse rate compared to comparison children at rest, and higher diastolic blood pressure and higher low-frequency/high-frequency ratio after a 5-min recovery from an emotional stressor. Additionally, when anxiety was entered as a covariate, group differences after the 5-min recovery period were no longer significant.
Conclusions:
Results suggest that relative to comparison children, children with migraine exhibit some physiological elevation at rest, as well as a prolonged physiological recovery period after an emotional stressor. Group differences after the 5-min recovery period suggest that children with migraine experience delayed sympathetic hyperarousal and prolonged sympathovagal imbalance. The treatment implications of these findings are discussed.
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