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ABSTRACT: Objective
To determine the feasibility of conducting a trial of a pre-surgical psychological intervention on pain, function, and mood in people with knee osteoarthritis listed for total knee arthroplasty.Design
Multi-centre, mixed-methods feasibility randomized controlled trial of intervention plus usual care versus usual care.Setting
Participants' homes or hospital.Participants
Patients with knee osteoarthritis listed for total knee arthroplasty and score >7 on either subscales of Hospital Anxiety and Depression Scale.Intervention
Up-to 10 sessions of psychological intervention (based on cognitive behavioural therapy).Main measures
Feasibility outcomes (recruitment and retention rates, acceptability of trial procedures and intervention, completion of outcome measures), and standardized questionnaires assessing pain, function, and mood at baseline, and four and six months post-randomisation.Results
Of 222 people screened, 81 did not meet inclusion criteria, 64 did not wish to participate, 26 were excluded for other reasons, and 51 were randomized. A total of 30 completed 4-month outcomes and 25 completed 6-month outcomes. Modal number of intervention sessions completed was three (range 2-8). At 6-month follow-up, mood, pain, and physical function scores were consistent with clinically important benefits from intervention, with effect sizes ranging from small ( d = 0.005) to moderate ( d = 0.74), and significant differences in physical function between intervention and usual care groups ( d = 1.16). Feedback interviews suggested that participants understood the rationale for the study, found the information provided adequate, the measures comprehensive, and the intervention acceptable.Conclusion
A definitive trial is feasible, with a total sample size of 444 people. Pain is a suitable primary outcome, but best assessed 6 and 12 months post-surgery.
SUBMITTER: das Nair R
PROVIDER: S-EPMC5987849 | biostudies-literature | 2018 Jun
REPOSITORIES: biostudies-literature
das Nair Roshan R Mhizha-Murira Jacqueline R JR Anderson Pippa P Carpenter Hannah H Clarke Simon S Groves Sam S Leighton Paul P Scammell Brigitte E BE Topcu Gogem G Walsh David A DA Lincoln Nadina B NB
Clinical rehabilitation 20180209 6
<h4>Objective</h4>To determine the feasibility of conducting a trial of a pre-surgical psychological intervention on pain, function, and mood in people with knee osteoarthritis listed for total knee arthroplasty.<h4>Design</h4>Multi-centre, mixed-methods feasibility randomized controlled trial of intervention plus usual care versus usual care.<h4>Setting</h4>Participants' homes or hospital.<h4>Participants</h4>Patients with knee osteoarthritis listed for total knee arthroplasty and score >7 on e ...[more]