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https://doi.org/10.1177/17531934221136442
Copy DOIPublication Date: Nov 3, 2022 | |
Citations: 12 |
Surgery for trapeziometacarpal osteoarthritis after failure of medical treatment remains controversial. The aim of this study was to determine the long-term results of the MAÏA® trapeziometacarpal prosthesis (Lépine, Genay, France). This was a retrospective clinical and radiographic study of 191 MAÏA® trapeziometacarpal prostheses implanted between 2001 and 2016 from a single centre. The survival rate of the implants at the final follow-up of 12 years (range 17 days to 140 months) was 88%. Median pain score was 1/10. The median Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) score was 20. The rate of major complications was 9% (5% dislocations and 4% loosening) with all dislocations needing revision surgery. The risk of prosthetic dislocation was highest during the first 3 years, most often related to malposition of the trapezium implant. The MAÏA trapeziometacarpal prosthesis represents a long-term solution for surgical treatment of thumb rhizarthrosis. Level of evidence: IV.
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