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Comparison of Group-based Outpatient Physiotherapy With Usual Care After Total Knee Replacement: a Feasibility Study For a Randomized Controlled Trial

Artz, Neil and Dixon, S. and Wylde, V. and Marques, E. and Beswick, A.D. and Lenguerrand, E. and Blom, A.W. and Gooberman-Hill, R. (2017) Comparison of Group-based Outpatient Physiotherapy With Usual Care After Total Knee Replacement: a Feasibility Study For a Randomized Controlled Trial. Clinical Rehabilitation, 31 (4). pp. 487-499. ISSN 0269-2155 Online: 1477-0873

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Abstract

Objective: To evaluate the feasibility of conducting a randomized controlled trial comparing group-based outpatient physiotherapy with usual care in patients following total knee replacement. Design: A feasibility study for a randomized controlled trial. Setting: One secondary-care hospital orthopaedic centre, Bristol, UK. Participants: A total of 46 participants undergoing primary total knee replacement. Interventions: The intervention group were offered six group-based exercise sessions after surgery. The usual care group received standard postoperative care. Participants were not blinded to group allocation. Outcome measures: Feasibility was assessed by recruitment, reasons for non-participation, attendance, and completion rates of study questionnaires that included the Lower Extremity Functional Scale and Knee Injury and Osteoarthritis Outcome Score. Results: Recruitment rate was 37%. Five patients withdrew or were no longer eligible to participate. Intervention attendance was high (73%) and 84% of group participants reported they were ‘very satisfied’ with the exercises. Return of study questionnaires at six months was lower in the usual care (75%) than in the intervention group (100%). Mean (standard deviation) Lower Extremity Functional Scale scores at six months were 45.0 (20.8) in the usual care and 57.8 (15.2) in the intervention groups. Conclusion: Recruitment and retention of participants in this feasibility study was good. Group-based physiotherapy was acceptable to participants. Questionnaire return rates were lower in the usual care group, but might be enhanced by telephone follow-up. The Lower Extremity Functional Scale had high responsiveness and completion rates. Using this outcome measure, 256 participants would be required in a full-scale randomized controlled trial.

Item Type: Article
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Published online before print April 11, 2016, doi: 10.1177/0269215516642503

Uncontrolled Keywords: group-based exercise, total knee replacement, feasibility, randomized controlled trial
Subjects: R Medicine > RZ Other systems of medicine
Divisions: Academic Departments > Institute of Sport and Exercise Science
Related URLs:
Depositing User: Neil Artz
Date Deposited: 12 Apr 2016 13:42
Last Modified: 07 Apr 2017 13:36
URI: https://eprints.worc.ac.uk/id/eprint/4302

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