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Cerebral Blood Flow Alterations in Pain-Processing Regions of Patients with Fibromyalgia Using Perfusion MR Imaging.

Foerster, B R; Petrou, M; Harris, R E; Barker, P B; Hoeffner, E G; Clauw, D J and Sundgren, Pia LU (2011) In AJNR. American journal of neuroradiology 32. p.1873-1878
Abstract
BACKGROUND AND PURPOSE:

Widespread pain sensitivity in patients with FM suggests a CNS processing problem. The purpose of this study was to assess alterations in perfusion as measured by DSC in a number of brain regions implicated in pain processing between patients with FM and healthy controls.



MATERIALS AND METHODS:

Twenty-one patients with FM and 27 healthy controls underwent conventional MR imaging and DSC. For DSC, 12 regions of interest were placed in brain regions previously implicated in pain processing. rCBF values were calculated for each region of interest. Subjects answered mood/pain coping questionnaires and underwent clinical/experimental pain assessment.



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BACKGROUND AND PURPOSE:

Widespread pain sensitivity in patients with FM suggests a CNS processing problem. The purpose of this study was to assess alterations in perfusion as measured by DSC in a number of brain regions implicated in pain processing between patients with FM and healthy controls.



MATERIALS AND METHODS:

Twenty-one patients with FM and 27 healthy controls underwent conventional MR imaging and DSC. For DSC, 12 regions of interest were placed in brain regions previously implicated in pain processing. rCBF values were calculated for each region of interest. Subjects answered mood/pain coping questionnaires and underwent clinical/experimental pain assessment.



RESULTS:

There were significant correlations between the thalamic rCBF values and the pain-control beliefs of FM subjects. The strength of the relationship between clinical pain measures and thalamic rCBF values increased after adjusting for pain-control beliefs. There was a significantly different distribution pattern of rCBF values across various brain regions between the FM group and the healthy controls. There was a lower degree of correlation in the FM group between the thalamic rCBF values and the other brain regions relative to the healthy controls.



CONCLUSIONS:

Significant correlations were found between thalamic rCBF values and pain belief values. These data suggest that there are baseline alterations of brain perfusion in patients with FM. rCBF values of the thalami exhibited lower correlations with respect to other brain regions thought to be involved in pain processing compared with those in healthy controls. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
AJNR. American journal of neuroradiology
volume
32
pages
1873 - 1878
publisher
American Society of Neuroradiology
external identifiers
  • WOS:000297888300021
  • PMID:21868622
  • Scopus:81555226632
ISSN
1936-959X
DOI
10.3174/ajnr.A2614
language
English
LU publication?
yes
id
1f420398-9bf6-4e78-a294-867ffcfa3349 (old id 2150692)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/21868622?dopt=Abstract
date added to LUP
2011-09-04 22:33:09
date last changed
2016-10-30 04:36:59
@misc{1f420398-9bf6-4e78-a294-867ffcfa3349,
  abstract     = {BACKGROUND AND PURPOSE:<br/><br>
Widespread pain sensitivity in patients with FM suggests a CNS processing problem. The purpose of this study was to assess alterations in perfusion as measured by DSC in a number of brain regions implicated in pain processing between patients with FM and healthy controls.<br/><br>
<br/><br>
MATERIALS AND METHODS:<br/><br>
Twenty-one patients with FM and 27 healthy controls underwent conventional MR imaging and DSC. For DSC, 12 regions of interest were placed in brain regions previously implicated in pain processing. rCBF values were calculated for each region of interest. Subjects answered mood/pain coping questionnaires and underwent clinical/experimental pain assessment.<br/><br>
<br/><br>
RESULTS:<br/><br>
There were significant correlations between the thalamic rCBF values and the pain-control beliefs of FM subjects. The strength of the relationship between clinical pain measures and thalamic rCBF values increased after adjusting for pain-control beliefs. There was a significantly different distribution pattern of rCBF values across various brain regions between the FM group and the healthy controls. There was a lower degree of correlation in the FM group between the thalamic rCBF values and the other brain regions relative to the healthy controls.<br/><br>
<br/><br>
CONCLUSIONS:<br/><br>
Significant correlations were found between thalamic rCBF values and pain belief values. These data suggest that there are baseline alterations of brain perfusion in patients with FM. rCBF values of the thalami exhibited lower correlations with respect to other brain regions thought to be involved in pain processing compared with those in healthy controls.},
  author       = {Foerster, B R and Petrou, M and Harris, R E and Barker, P B and Hoeffner, E G and Clauw, D J and Sundgren, Pia},
  issn         = {1936-959X},
  language     = {eng},
  pages        = {1873--1878},
  publisher    = {ARRAY(0x90195d0)},
  series       = {AJNR. American journal of neuroradiology},
  title        = {Cerebral Blood Flow Alterations in Pain-Processing Regions of Patients with Fibromyalgia Using Perfusion MR Imaging.},
  url          = {http://dx.doi.org/10.3174/ajnr.A2614},
  volume       = {32},
  year         = {2011},
}