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https://hdl.handle.net/2440/63892
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Type: | Journal article |
Title: | Reintervention after Mobile-bearing Oxford Unicompartmental Knee Arthroplasty |
Author: | Clark, M. Campbell, D. Kiss, G. Dobson, P. Lewis, P. |
Citation: | Clinical Orthopaedics and Related Research, 2010; 468(2):576-580 |
Publisher: | Lippincott Williams & Wilkins |
Issue Date: | 2010 |
ISSN: | 0009-921X 1528-1132 |
Statement of Responsibility: | Marcia Clark, David G. Campbell, Greg Kiss, Peter J. Dobson, Peter L. Lewis |
Abstract: | <h4>Background</h4>Medial compartment osteoarthritis is a common disorder that often is treated by unicompartmental knee arthroplasty (UKA). Although the Oxford 3 prosthesis is commonly used based on revision rate and cumulative survival, our experience suggests that although there may be adequate implant survival rates, we observed a worrisome and undisclosed reintervention rate of nonrevision procedures.<h4>Purpose</h4>We describe the frequency and cause of repeat intervention subsequent to implanting this device.<h4>Methods</h4>Between 1998 and 2005, 398 patients underwent UKA using the Oxford 3 prosthesis. The minimum followup was 12 months (mean, 43 months; range, 12-102 months).<h4>Results</h4>Forty of the 398 (10%) patients had 55 (13.8%) repeat anesthetics (reintervention). There were 38 nonrevision reinterventions. Revision was performed in 15 patients (3.8%), but two patients had a second revision (17 revisions or 4.3%). We revised the UKA to a second UKA in seven of the 15 cases but two subsequently were rerevised to a TKA; eight were revised directly to a TKA.<h4>Conclusions</h4>Although our data confirm the reported revision rates for this prosthesis, we observed a substantial reintervention rate. Most of the reinterventions are minor and are diagnosed frequently and treated arthroscopically. If revision is required, a second UKA may be considered and performed successfully in patients with isolated loosening of one component.<h4>Level of evidence</h4>Level II, prognostic study. See Guidelines for Authors for a complete description of levels of evidence. |
Keywords: | Knee Humans Osteoarthritis, Knee Prosthesis Failure Treatment Outcome Arthroplasty, Replacement, Knee Reoperation Retrospective Studies Prosthesis Design Knee Prosthesis Time Factors Aged Aged, 80 and over Middle Aged Female Male |
Rights: | © The Association of Bone and Joint Surgeons® 2009 |
DOI: | 10.1007/s11999-009-1089-y |
Published version: | http://dx.doi.org/10.1007/s11999-009-1089-y |
Appears in Collections: | Aurora harvest 5 Orthopaedics and Trauma publications |
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