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- Title
Does Preoperative Pain Catastrophizing Influence Objectively Measured Physical Activity Before and After Total Knee Arthroplasty: A Prospective Cohort Study.
- Authors
Birch, Sara; Hansen, Torben Bæk; Stilling, Maiken; Mechlenburg, Inger
- Abstract
Background: Pain catastrophizing is associated with pain both before and after a total knee arthroplasty (TKA). However, it remains uncertain whether pain catastrophizing affects physical activity (PA). The aim was to examine the influence of pain catastrophizing on the PA profile, knee function, and muscle mass before and after a TKA. Methods: The authors included 58 patients with knee osteoarthritis scheduled for TKA. Twenty-nine patients had a score >22 on the Pain Catastrophizing Scale (PCS), and 29 patients had a score <11. PA wasmeasured with a triaxial accelerometer preoperative, 3months, and 12 months after TKA. Other outcome measures consisted of the Knee Osteoarthritis Outcome Score and dual-energy X-ray absorptiometry scans. Results: The authors found no difference in PA between patients with a better/low or a worse/high score on the PCS, and none of the groups increased their mean number of steps/day from preoperative to 12months postoperative. Patients with better/low PCS scores had higher/better preoperative scores on the Knee Osteoarthritis Outcome Score subscales (symptoms, pain, and activity of daily living), and they walked longer in the 6-min walk test. Further, they had lower body mass index, lower percent fat mass, and higher percent muscle mass than patients with worse/high PCS scores both before and after a TKA. Conclusion: Preoperative pain catastrophizing did not influence PA before or after a TKA. Although the patients improved substantially in self-reported knee function, their PA did not increase. This may be important to consider when the clinicians are informing the patients about the expected benefits from the operation.
- Subjects
PAIN catastrophizing; PREOPERATIVE period; PHYSICAL activity measurement; TOTAL knee replacement; PHYSICAL activity; COHORT analysis
- Publication
Journal for the Measurement of Physical Behaviour, 2021, Vol 4, Issue 1, p53
- ISSN
2575-6605
- Publication type
Article
- DOI
10.1123/jmpb.2020-0024