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CLINICAL EFFECTIVENESS OF OUTPATIENT PHYSIOTHERAPY VS EXERCISES ALONE POST THA: A PROSPECTIVE RCT



Abstract

Purpose: To evaluate the effect of outpatient physiotherapy versus a self-adminstered home exercise program on recovery following primary total hip arthroplasty.

Methods: Subjects awaiting primary total hip arthroplasty consented to participate in this prospective randomized clinical trial. Patients were assigned to participate in either an outpatient physiotherapy program or self-administered/self-directed home exercise program following discharge home from hospital. Multiple longitudinal measures were performed to adequately assess recovery over time. Primary outcome for comparison was WOMAC function at 4 months postoperatively, additional outcomes of timed-up-and-go, SF-36, HUI3, FSI. Primary outcome was evaluated using repeated measures analyses and regression models for longitudinal data.

Results: 100 patients were randomized to their respective interventions. The two cohorts were similar with regards to baseline characteristics of age, gender, and pre-op quality of life measures (p> .05). At 4 months post-op both groups demonstrated significant change from baseline function and were similar with regards to recovery and rate of recovery (p> .05).

Conclusions: While all patients demonstrated excellent recovery, patients receiving self-adminstered home exercise program did not demonstrate inferior outcome at the interval(s) assessed. Self-adminstered home exercise program may be an effective alternative rehabilitation program where physiotherapy services are limited or in specific subgroups of patients.

Funding : Educational Grant from the Canadian Orthopaedic Foundation

Correspondence should be addressed to Cynthia Vezina, Communications Manager, COA, 4150-360 Ste. Catherine St. West, Westmount, QC H3Z 2Y5, Canada