Efficacy of continuous passive motion following total knee arthroplasty: a metaanalysis.

Objective: The objective of this metaanalysis is to examine the effectiveness of continuous passive motion (CPM) following total knee arthroplasty (TKA).

Methods: This metaanalysis used the methodology proposed by the Cochrane Collaboration.

Results: This review of 14 studies (952 patients) found significant improvements in active knee flexion and analgesic use 2 weeks postoperatively with the use of CPM and physiotherapy (PT) compared to PT alone.