• A M Davis.
• Division of Health Care and Outcomes Research, Toronto Western Research Institute, University Health Network, Toronto, Canada. adavis@uhnresearch.ca
• Osteoarthr. Cartil. 2012 Mar 1;20(3):201-6.

PurposeThis review highlights seminal publications of rehabilitation interventions and outcomes in osteoarthritis (OA) of the hip or knee.MethodsMedline, CINAHL, and Embase databases from September 2010 through August 2011 were searched using the key words 'osteoarthritis', rehabilitation, physical therapy, exercise, and outcome(s), limited to human and English. Rehabilitation intervention studies were included if they were randomized trials (RCT), systematic reviews or meta-analyses. Studies of surgical interventions were excluded unless they included evaluation of a rehabilitation intervention. Outcome studies were included if they contributed methodologically to advancing outcome measurement. Reviews of measurement properties of outcomes were excluded. Eight publications were selected and reviewed that relate to interventions evaluating manual therapy in hip or knee OA, tele-rehabilitation and performance and participation measures as outcomes.ResultsInterventionsOne systematic review of hip and knee OA, one meta-analysis of knee OA provide limited support for the benefit of manual therapy with exercise for improving pain and function to a lesser extent in the short-term (3 months). Study quality overall was low. One high quality RCT in knee replacement of usual outpatient physiotherapy vs internet-based tele-rehabilitation based on a non-inferiority analysis demonstrated comparable outcomes on Western Ontario McMaster Universities' Osteoarthritis questionnaire (WOMAC) pain and function and performance measures.OutcomesThree studies demonstrated that observed performance measures such as timed walk tests and stair-climbing and timed-up-and-go measure concepts differ from self-report of difficulty with physical function. Additionally, two studies showed differential times of recovery following total knee replacement (TKR). Two studies evaluated participation. One demonstrated the conceptual distinction of activity limitations and participation and a second re-analyzed trial data from knee OA studies. In one study, there were larger effects in combined activity/participation than for activity alone for arthroscopic lavage compared to intraarticular steroid and, in a second study, the effect was larger for activity with an advanced pharmacy intervention whereas the physiotherapy intervention demonstrated a larger effect for activity/participation.ConclusionsInterventions of manual therapy for hip and knee OA provided limited evidence of effectiveness. These studies are of limited quality due to lack of blinding and disclosure of co-intervention. Tele-rehabilitation may be a viable option to improve access to rehabilitation post joint replacement for those in rural and remote areas. Data continue to support the need to include performance measures as well as patient-reported outcomes in evaluating outcomes in OA. Additionally, measures of participation should be considered as core outcomes.Copyright © 2012 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.

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