| MOJE ceramic metatarsophalangeal arthroplasty: disappointing clinical results at two to eight years. | |
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MedLine Citation:
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PMID: 22835393 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Among the surgical treatment options for osteoarthritis of the first metatarsophalangeal joint (MTPJ) are a number of different designs of total arthroplasty, including the MOJE, a ceramic press fit arthroplasty. We present a 2- to 8-year followup of 31 procedures. METHODS: Thirty-two MOJE arthroplasties were undertaken for painful hallux rigidus in 30 patients (nine male, 21 female) over 6 years (mean age 61.9; range, 37 to 76). At followup patients' symptoms, levels of function and radiographs were scored using SF-36, modified Kitaoka and AOFAS systems. Followup rate was 97%, with mean followup time 58 months (range, 28 to 97). RESULTS: Mean scores were: Kitaoka 53.8 (15 to 75), AOFAS 61.3/100 (range, 18 to 100), SF-36 physical combined 48.6 (27.6 to 58.7) SF-36 mental score 52.2 (19.5 to 62.2). Sixteen showed radiological evidence of component loosening (either lucency, subsidence or both) and one radiograph revealed component fracture. Eight implants have been revised. In patients who had not undergone subsequent fusion, 15 had less than 36 degrees of movement, nine had 36 to 45 degrees, four were in the 46 to 60 range, and only one had more than 60 degrees. There were no infections. CONCLUSION: Although previous studies have suggested favorable initial outcomes with the MOJE prosthesis, all have focused only on the early results. In our series, the reoperation rate of 26% at up to 8 years is worryingly high, especially given that 16 (52%) showed loosening. Although there appears to be a cohort of patients who have satisfactory outcomes with the MOJE, we would suggest the continued use of this implant. |
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Authors:
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Sebastian Dawson-Bowling; Anthony Adimonye; Adam Cohen; Howard Cottam; James Ritchie; Michael Fordyce |
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Publication Detail:
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Type: Evaluation Studies; Journal Article |
Journal Detail:
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Title: Foot & ankle international. / American Orthopaedic Foot and Ankle Society [and] Swiss Foot and Ankle Society Volume: 33 ISSN: 1071-1007 ISO Abbreviation: Foot Ankle Int Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-07-27 Completed Date: 2012-09-20 Revised Date: 2013-02-25 |
Medline Journal Info:
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Nlm Unique ID: 9433869 Medline TA: Foot Ankle Int Country: United States |
Other Details:
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Languages: eng Pagination: 560-4 Citation Subset: IM |
Affiliation:
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Orthopaedic Department, Tunbridge Wells Hospital, Pembury, Tunbridge Wells, Kent, UK. sebd_b@hotmail.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Arthroplasty, Replacement / instrumentation* Coated Materials, Biocompatible Durapatite Female Follow-Up Studies Hallux Rigidus / radiography, surgery* Humans Joint Prosthesis* Male Metatarsophalangeal Joint / surgery* Middle Aged Prosthesis Design Prosthesis Failure Range of Motion, Articular Reoperation / statistics & numerical data Retrospective Studies Zirconium |
| Chemical | |
Reg. No./Substance:
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0/Coated Materials, Biocompatible; 1306-06-5/Durapatite; 7440-67-7/Zirconium; S38N85C5G0/zirconium oxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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