Pain Location and Functioning in Persons with Spinal Cord Injury
Overview
Rehabilitation Medicine
Affiliations
Background: The influence of pain location and extent on functioning in persons with spinal cord injury (SCI) and chronic pain is not well understood.
Objective: To investigate the correlations between pain location and extent to determine which pain domains may be important to assess and potentially target in treating chronic pain in SCI populations.
Design: Prospective, observational study.
Setting: University medical center.
Participants: A total of 259 persons with an SCI and chronic pain.
Methods: Postal mail survey questionnaire.
Main Outcome Measurements: Pain sites, pain extent (number of sites), pain intensity in specific body locations, pain interference, and physical and psychological functioning.
Results: A positive association between pain extent and intensity with pain interference (r = 0.33, P < .01) and a negative association with psychological functioning were noted in the study sample (r = -0.21, P < .01). Pain intensity in the lower back and legs (r = 0.55, P < .01) and a number of other sites showed strong associations with patient functioning. Correlation with psychological functioning was significant but weaker (r = -0.22, P < .01 for the lower back and legs). Ambulatory status had only a small moderating effect on the associations between pain intensity in specific sites and pain interference and no effect on psychological functioning.
Conclusions: The findings support the importance of assessing pain intensity at specific locations as a part of a thorough evaluation of chronic pain, as well as the importance of addressing pain at multiple sites, when managing pain in persons with an SCI.
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