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Lookup NU author(s): Professor David Deehan,
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© 2014, J. Michael Ryan Publishing Inc. All rights reserved. Purpose: To evaluate the performance of a canal filling hinge device for complex knee arthroplasty. Methods: Thirty-seven (4 primary hinge implantation and 33 revision cases) patients who had undergone arthroplasty with the S-ROM third generation hinge device for a combination of massive bone loss or ligamentous insufficiency were prospectively examined with a minimum of 5-year follow-up. Median age at surgery was 72 years (range: 43 to 87 years). Principal indications included aseptic loosening or massive osteolysis (24 cases), infection (8 cases) and periprosthetic fracture (4 cases). All patients exhibited either grade 2 (N = 12) or grade 3 (N = 25) AORI bone loss or a grade 3 medial ligament deficiency. Results: One patient experienced implant failure (71 months), and one patient suffered late deep infection (36 months). Mean WOMAC score improved from 27 to 62. Four patients required patellar resurfacing for persistent pain. The 5-year survivorship was 86%. Conclusions: While the S-ROM device may offer satisfactory medium term outcome for complex end stage knee disease, we report a high rate of debilitating anterior knee symptoms.
Author(s): Deehan DJ, Gangadharan R, Malviya A, Sutherland A, Holland JP
Publication type: Article
Publication status: Published
Journal: Bulletin of the Hospital for Joint Disease
Print publication date: 01/06/2014
Acceptance date: 01/01/1900
ISSN (print): 2328-4633
ISSN (electronic): 2328-5273
Publisher: J Michael Ryan Publishing, Inc.
PubMed id: 25150346