Original articlePain Coping Skills Training for Patients With Elevated Pain Catastrophizing Who Are Scheduled for Knee Arthroplasty: A Quasi-Experimental Study
Section snippets
Design
This quasi-experimental (ie, nonrandomized) study compared treatment outcome between 2 independent cohorts, 1 that received the pain coping skills training and 1 that received usual care.
Pain coping skills training cohort
Participants in the pain coping skills group were consecutively recruited between April and September 2009 from 2 sites: (1) Virginia Commonwealth University Medical Center, Richmond, Virginia or (2) Duke University Medical Center, Durham, North Carolina. The patients had already consented to have knee
Results
A total of 45 patients from the usual care cohort and 18 patients from the pain coping skills cohort were included in the study (table 3). Of the 18 patients recruited for pain coping skills training, 15 completed the training. For the 3 remaining patients, 2 canceled their surgery and 1 dropped out of the study after the first training session.
Patients in the pain coping skills group demonstrated a mean improvement Ā± SD in WOMAC Pain scores of 6.9Ā±4.7 points, while patients in the usual care
Discussion
We found that improvement in self-reported function and function-related pain after pain coping skills training was substantial relative to the usual care group. The mean improvements in WOMAC Disability scores were 14.3 points greater for the pain coping skills group than the usual care group. For the WOMAC Pain scale, the mean difference between groups was 4.2 points. These mean differences are substantially larger than the minimal clinically important difference of approximately 10% of the
Conclusions
Despite the limitations in the design of our study, we found what appears to be very promising effects of pain coping skills training for knee arthroplasty patients with elevated pain catastrophizing. Mean differences in WOMAC Pain, WOMAC Function, and PCS scores between the treatment groups far exceeded clinically important differences. The findings indicate that a definitive trial of pain coping skills training for the subset of knee arthroplasty patients with elevated pain catastrophizing is
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2020, Journal of Arthroscopy and Joint SurgeryCitation Excerpt :The experimental group was given biopsychosocial model based rehabilitation which included pain coping skill training (PCST) along with standard rehabilitation for four weeks. The pain coping skill training (Appendix ā2) included 8 sessions starting with progressive muscle relaxation (PMR).20 Pain coping skill training lasted for 40ā60 min along with standard TKR rehabilitation exercise.
Supported by the National Institute of Arthritis, Musculoskeletal and Skin Diseases (grant no. 1R34AR056727-01).
No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit on the authors or on any organization with which the authors are associated.
Reprints will not be available from the author.
Published online April 29, 2011 at www.archives-pmr.org.