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Randomized Controlled Trial
. 2024 Jan 8:56:jrm18326.
doi: 10.2340/jrm.v56.18326.

Exercise- and education-based prehabilitation before total knee arthroplasty: a pilot study

Affiliations
Randomized Controlled Trial

Exercise- and education-based prehabilitation before total knee arthroplasty: a pilot study

Pascale Gränicher et al. J Rehabil Med. .

Abstract

Objective: To determine the feasibility and estimates of effects of a supervised exercise- and education-based prehabilitation programme aiming to improve knee functioning compared with usual care in patients awaiting total knee arthroplasty.

Design: A randomized controlled pilot study.

Subjects: Patients receiving primary, unilateral total knee arthroplasty.

Methods: Patients randomized to the intervention group participated in a personalized 4-8-week prehabilitation programme before surgery. Feasibility of the intervention and self-reported knee functioning, pain, physical performance and hospital stay were assessed at baseline, immediately preoperatively, 6 and 12 weeks after surgery.

Results: Twenty patients (mean age 72.7±5.95 years) were enrolled in this study. The personalized prehabilitation programme was found to be feasible and safe, with an exercise adherence of 90%. Significant medium interaction effects between groups and over time favouring prehabilitation were reported for the sport subscale of the Knee Osteoarthritis Outcome Score (F(3/54) = 2.895, p = 0.043, η² = 0.139) and Tegner Activity Scale (F(2.2/39.1) = 3.20, p = 0.048, η² = 0.151).

Conclusion: The absence of adverse events and high adherence to the programme, coupled with beneficial changes shown in the intervention group, support the conduct of a full-scale trial investigating the effectiveness of prehabilitation.

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

Figures

Fig. 1
Fig. 1
Consolidated Standards of Reporting Trials (CONSORT) flow chart of randomized controlled trials. CG: control group; IG: intervention group; prehab: prehabilitation.
Fig. 2
Fig. 2
Frequency distribution of Tegner Activity Scale (TAS) levels T1-T4 per group. CG: control group; IG: intervention group; preop: preoperative; postop: postoperative; wk: weeks.
Fig. 3
Fig. 3
Change of mean values in Knee Osteoarthritis Outcome Score (KOOS) sports. Preop: preoperative; postop: postoperative; CG: control group; IG: intervention group; wk: weeks.
Fig. 4
Fig. 4
Change of mean values on Tegner Activity Scale (TAS). Preop: preoperative; postop: postoperative; wk: weeks; CG: control group; IG: intervention group.

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