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ORIGINAL ARTICLE  RHIZARTHROSIS 

Minerva Orthopedics 2022 June;73(3):241-6

DOI: 10.23736/S2784-8469.21.04110-9

Copyright © 2021 EDIZIONI MINERVA MEDICA

lingua: Inglese

Early results of double mobility trapeziometacarpal total joint arthroplasty: prospective series of 82 Touch prosthesis

Laurens VAN MELKEBEKE, Pieter CAEKEBEKE, Joris DUERINCKX

Department of Orthopedic Surgery, Ziekenhuis Oost-Limburg, Genk, Belgium



BACKGROUND: In trapeziometacarpal total joint arthroplasty, variable results have been described. Continuous advancements in implant design have improved outcome, but dislocation remains an important concern. For this reason, a new generation of prosthesis that is based on the concept of “double mobility” has been recently introduced. The goal of this study was to evaluate the short-term functional and radiological outcome of these new implants.
METHODS: Eighty-two double mobility trapeziometacarpal prosthesis (Kerimedical Touch, Geneva, Switzerland) were included. Follow-up averaged 11 months (3-22 months). Thumb range of motion, key pinch and grip strength were prospectively evaluated before surgery and at 6 weeks, 3 months and 1 year postoperatively. Pain during rest, pain during activity, hand function according to the Quick-DASH Score and patient satisfaction were assessed. Most recent radiographs of the implant of were evaluated. Patient charts were reviewed for complications related to the surgery.
RESULTS: Thumb motion and strength improved quickly and significantly after surgery. No dislocations occurred. Survival rate was 100%. No radiological signs of loosening or subsidence were observed. One year or later after surgery, 51% of patients had complete pain relief, mean qDASH Score was 9.3 and 93% of patients would have the same surgery again.
CONCLUSIONS: Early postoperative results after Touch double mobility (Kerimedical Touch) trapeziometacarpal total joint arthroplasty are promising. No dislocations occurred. Longer follow-up is needed to examine if these findings remain stable over time.


KEY WORDS: Thumb; Arthroplasty; Prostheses and implants

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