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Altered Regional Cerebral Blood Flow in Chronic Whiplash Associated Disorders

  • There is increasing evidence of central hyperexcitability in chronic whiplash-associated disorders (cWAD). However, little is known about how an apparently simple cervical spine injury can induce changes in cerebral processes. The present study was designed (1) to validate previous results showing alterations of regional cerebral blood flow (rCBF) in cWAD, (2) to test if central hyperexcitabilityThere is increasing evidence of central hyperexcitability in chronic whiplash-associated disorders (cWAD). However, little is known about how an apparently simple cervical spine injury can induce changes in cerebral processes. The present study was designed (1) to validate previous results showing alterations of regional cerebral blood flow (rCBF) in cWAD, (2) to test if central hyperexcitability reflects changes in rCBF upon non-painful stimulation of the neck, and (3) to verify our hypothesis that the missing link in understanding the underlying pathophysiology could be the close interaction between the neck and midbrain structures. For this purpose, alterations of rCBF were explored in a case-control study using H215O positron emission tomography, where each group was exposed to four different conditions, including rest and different levels of non-painful electrical stimulation of the neck. rCBF was found to be elevated in patients with cWAD in the posterior cingulate and precuneus, and decreased in the superior temporal, parahippocampal, and inferior frontal gyri, the thalamus and the insular cortex when compared with rCBF in healthy controls. No differences in rCBF were observed between different levels of electrical stimulation. The alterations in regions directly involved with pain perception and interoceptive processing indicate that cWAD symptoms might be the consequence of a mismatch during the integration of information in brain regions involved in pain processing.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/2260
Bibliografische Angaben
Title (English):Altered Regional Cerebral Blood Flow in Chronic Whiplash Associated Disorders
Author:David Vállez Garcia, Janine Doorduin, Antoon T. M. Willemsen, Rudi A. J. O. Dierckx, Andreas OtteStaff MemberORCiDGND
Year of Publication:2016
First Page:249
Last Page:257
Parent Title (English):EBioMedicine
Volume:10
Issue:8/2016
ISSN:2352-3964
DOI:https://doi.org/10.1016/j.ebiom.2016.07.008
URL:https://www.researchgate.net/publication/305383660
Language:English
Inhaltliche Informationen
Institutes:Fakultät Wirtschaft (W)
Institutes:Bibliografie
GND Keyword:Durchblutung; Halswirbelsäule; Trauma
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt