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Reduced reactivity and enhanced negative feedback sensitivity of the hypothalamus-pituitary-adrenal axis in chronic whiplash-associated disorder

Gaab, Jens; Baumann, Susanne; Budnoik, Angela; Gmünder, Hanspeter; Hottinger, Nina; Ehlert, Ulrike (2005). Reduced reactivity and enhanced negative feedback sensitivity of the hypothalamus-pituitary-adrenal axis in chronic whiplash-associated disorder. Pain, 119(1-3):219-224.

Abstract

Dysregulations of the hypothalamus-pituitary-adrenal (HPA) axis have been discussed as a physiological substrate of chronic pain and fatigue. The aim of the study was to investigate possible dysregulations of the HPA axis in chronic whiplash-associated disorder (WAD). In 20 patients with chronic WAD and 20 healthy controls, awakening cortisol responses as well as a short circadian free cortisol profile were assessed before and after administration of 0.5mg dexamethasone. In comparison to the controls, chronic WAD patients had attenuated cortisol responses to awakening, normal cortisol levels during the day, and showed enhanced and prolonged suppression of cortisol after the administration of 0.5mg dexamethasone. Dysregulations of the HPA axis in terms of reduced reactivity and enhanced negative feedback suppression exist in chronic WAD. The observed endocrine abnormalities could serve as a systemic mechanism of symptoms experienced by chronic WAD patients.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Scopus Subject Areas:Life Sciences > Neurology
Health Sciences > Neurology (clinical)
Health Sciences > Anesthesiology and Pain Medicine
Language:English
Date:2005
Deposited On:15 Oct 2012 14:28
Last Modified:07 Jun 2025 01:38
Publisher:Elsevier
ISSN:0304-3959
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.pain.2005.10.001
PubMed ID:16298068
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