Background: Historically, failed conservative treatment for irreparably damaged distal radioulnar joints (DRUJs) is treated via distal ulnar resection or DRUJ fusion; complications include disabling painful convergence of the radius and ulnar stump during lifting Various treatments for radioulnar impingement include distal radioulnar Achilles tendon allograft interpositional arthroplasty. This technique does not adequately prevent radioulnar impingement and we explore an alternative treatment.
Methods: We report 7 adult patients who failed Achilles tendon interposition, subsequently treated with Aptis total DRUJ prostheses (mean follow-up, 26 months; range, 7-40).
Results: Revision to Aptis prosthesis produced clinically stable DRUJ, improved grip strength and painless lifting capabilities, high patient satisfaction, and no major complications. All returned to daily activities and even recreational sports.
Conclusions: Tendon lacks biomechanical features key to the shock-absorbing function of cartilage-features it cannot deliver when used to prevent radioulnar convergence. We report Aptis DRUJ prosthesis as an alternative to the tendon allograft technique.
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| http://dx.doi.org/10.1177/1558944716676251 | DOI Listing |
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