Experimental pain responses in children with chronic pain and in healthy children: how do they differ?

Tsao, Jennie C.I., Evans, Subhadra, Seidman, Laura C. and Zeltzer, Lonnie K. 2012, Experimental pain responses in children with chronic pain and in healthy children: how do they differ?, Pain research & management, vol. 17, no. 2, pp. 103-109.

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Title Experimental pain responses in children with chronic pain and in healthy children: how do they differ?
Author(s) Tsao, Jennie C.I.
Evans, SubhadraORCID iD for Evans, Subhadra orcid.org/0000-0002-1898-0030
Seidman, Laura C.
Zeltzer, Lonnie K.
Journal name Pain research & management
Volume number 17
Issue number 2
Start page 103
End page 109
Total pages 7
Publisher Hindawi Publishing Corporation
Place of publication New York, N.Y.
Publication date 2012-03
ISSN 1203-6765
1918-1523
Keyword(s) acute pain
cold pressor tank
laboratory pain
pain intensity
pressure pain
thermal heat pain
Summary BACKGROUND: Extant research comparing laboratory pain responses of children with chronic pain with healthy controls is mixed, with some studies indicating lower pain responsivity for controls and others showing no differences. Few studies have included different pain modalities or assessment protocols.

OBJECTIVES: To compare pain responses among 26 children (18 girls) with chronic pain and matched controls (mean age 14.8 years), to laboratory tasks involving thermal heat, pressure and cold pain. Responses to cold pain were assessed using two different protocols: an initial trial of unspecified duration and a second trial of specified duration.

METHODS: Four trials of pressure pain and of thermal heat pain stimuli, all of unspecified duration, were administered, as well as the two cold pain trials. Heart rate and blood pressure were assessed at baseline and after completion of the pain tasks.

RESULTS: Pain tolerance and pain intensity did not differ between children with chronic pain and controls for the unspecified trials. For the specified cold pressor trial, 92% of children with chronic pain completed the entire trial compared with only 61.5% of controls. Children with chronic pain exhibited a trend toward higher baseline and postsession heart rate and reported more anxiety and depression symptoms compared with control children.

CONCLUSIONS: Contextual factors related to the fixed trial may have exerted a greater influence on pain tolerance in children with chronic pain relative to controls. Children with chronic pain demonstrated a tendency toward increased arousal in anticipation of and following pain induction compared with controls.
Language eng
Field of Research 110399 Clinical Sciences not elsewhere classified
1103 Clinical Sciences
Socio Economic Objective 920501 Child Health
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, Pulsus Group
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086913

Document type: Journal Article
Collections: Faculty of Health
School of Psychology
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