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Journal of Pediatric Psychology Advance Access originally published online on October 15, 2008
Journal of Pediatric Psychology 2009 34(7):707-715; doi:10.1093/jpepsy/jsn104
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© The Author 2008. Published by Oxford University Press on behalf of the Society of Pediatric Psychology. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Examining the Stress Response and Recovery Among Children With Migraine

Debra Huss, PhD, Karen Derefinko, MS, Richard Milich, PhD, Farjam Farzam, MD and Robert Baumann, MD

Department of Psychology, University of Kentucky

All correspondence concerning this article should be addressed to Richard Milich, Department of Psychology, University of Kentucky, 202A Kastle Hall Lexington Kentucky 40506-0044 USA. E-mail: milich{at}email.uky.edu


  Abstract

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.

Key words: ANS dysfunction; pediatric migraine; stress; recovery.

Received March 5, 2008; revision received September 9, 2008; accepted September 9, 2008


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