Primary Article

Polycentric Total Knee Arthroplasty

Authors: PAUL R. MANSKE MD, JOHN J. DeBENDER MD

Abstract

ABSTRACTPolycentric total knee arthroplasty in 56 patients provided significant relief of pain in 90.7% and a stable knee in 92.7%. Postoperative increase in range of motion averaged 13.7% for all patients (18.5° in rheumatoid arthritis and 8.7° in degenerative arthritis). This increase in excursion is attributed to the design of the prosthesis, a vigorous postoperative rehabilitation program, and careful surgical technic. A 'failure rate of 12.7% was due to infection, mechanical instability, and unexplained pain. Contraindications to surgery and technical recommendations are noted.

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References