Arthroscopic arthrolysis for the treatment of stiffness after total knee replacement gives moderate improvements in range of motion and functional knee scores
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Twenty-two total knee replacements (TKR’s) were treated for stiffness with arthroscopy and arthrolysis. The median follow-up was 38 months. No patients were lost to follow up. Extensive scarring was found and debrided in all of the knees. The mean Oxford Knee Score improved from 42.6 (±7.5) to 36.3 (±8.5) (P < 0.05) with TKR and from 36.3 (±8.5) to 29.3 (±9.0) (P < 0.05) with arthroscopic arthrolysis. The mean arc of motion improved from 8–69° post-TKR to 3–105° on table, but declined slightly to 4–93° (P < 0.05) at most recent review. Arthroscopic arthrolysis compares well with other methods of treatment for stiffness with regard to improvements in range of motion and functional knee scores.
KeywordsArthroscopy Total knee replacement Stiffness Arthrofibrosis Arthrolysis
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