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The Journal of Bone and Joint Surgery (American) 85:S18-S20 (2003)
© 2003 The Journal of Bone and Joint Surgery, Inc.

Current Status of Revision Total Knee Arthroplasty: How Do We Assess Results?

Khaled J. Saleh, MD, MSc, FRCSC, James A. Rand, MD and David A. McQueen, MD

Corresponding author: Khaled J. Saleh, MD, MSc, FRCSC
Department of Orthopaedic Surgery and Clinical Outcome Research Center, University of Minnesota, 420 Delaware Street S.E., Box 492, Minneapolis, MN 55455

The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. One or more of the authors received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity (Smith and Nephew). In addition, a commercial entity (Smith and Nephew) paid or directed, or agreed to pay or direct, benefits to a research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

The first 150 words of the full text of this article appear below.


   Introduction
 
Failure of primary total knee arthroplasty within five years after the operation most frequently occurs because of deep infection (38%), instability (27%), failure of bone ingrowth into a cementless implant (13%), patellar problems (8%), wear (7%), loosening (3%), or miscellaneous problems (4%) 1. In contrast, in a series of 427 revision total knee arthroplasties, failure of fixation was the most frequent problem, followed by abnormal alignment, component malposition, osseous fracture, and patellar problems 2. The results of revision total knee arthroplasty are difficult to assess because they are influenced by many factors: the etiology of failure, the extent of bone loss, the quality of the soft tissues, the technique of reconstruction, the adequacy of rehabilitation, patient compliance, the duration of follow-up, and the mode of assessment. Contemporary modular designs have provided good short-term results. A combined review of 161 revisions that had been performed with a modular constrained condylar knee . . . [Full Text of this Article]


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