Relationship between self-reported pain sensitivity and pain after total knee arthroplasty: a prospective study of 71 patients 8 weeks after a standardized fast-track
Authors Valeberg BT, Hovik L, Gjeilo KH
Received 20 May 2016
Accepted for publication 22 June 2016
Published 8 September 2016 Volume 2016:9 Pages 625—629
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Lucy Goodman
Peer reviewer comments 2
Editor who approved publication: Dr Michael Schatman
Berit T Valeberg,1 Lise H Høvik,2 Kari H Gjeilo3–6
1Faculty of Nursing, Oslo and Akershus University College of Applied Sciences, Oslo, 2Clinic of Anaesthesia and Intensive Care Medicine, St. Olavs Hospital, Trondheim University Hospital, 3Department of Cardiothoracic Surgery, 4Department of Cardiology, 5National Competence Centre for Complex Symptom Disorders, St. Olavs Hospital, Trondheim University Hospital, 6Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
Background and purpose: This was a prospective cohort study assessing data from 71 adult patients undergoing total knee arthroplasty (TKA) following a standardized fast-track program between January and July 2013. The objective was to examine the relationship between self-rated pain sensitivity, as measured by the Pain Sensitivity Questionnaire (PSQ), and postoperative pain after TKA.
Methods: The baseline questionnaires, PSQ and Brief Pain Inventory, were given to the patients for self-administration at the presurgical evaluation (1–2 weeks prior to surgery). The follow-up questionnaire, Brief Pain Inventory, was administered at the first follow-up, 8 weeks after surgery.
Results: A statistically significant association was found between average preoperative pain and average pain 8 weeks after surgery (P=0.001). The PSQ-minor was statistically significantly associated with average pain only for patients younger than 70 years (P=0.03).
Interpretation: This is the first study to examine the relationship between pain sensitivity measured by PSQ and postoperative pain in patients after TKA. We found that a lower score on the PSQ-minor was statistically significantly associated with patients’ pain 8 weeks after TKA surgery, but only for younger patients. Further research is needed to explore whether the PSQ could be a useful screening tool for patients’ pain sensitivity in clinical settings.
Keywords: postoperative pain, pain sensitivity, pain sensitivity questionnaire, total knee arthroplasty
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