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Objective: The purpose of this study was to present the short-term clinical results of total wrist arthroplasty and to explore possible factors determining the outcome. Methods: We retrospectively reviewed 15 patients with a total wrist arthroplasty Universal2® type implanted (KMI, Carlsbad, California). We studied epidemiologic factors, radiographs, wrist motion and grip strength preoperatively and postoperatively. We administered the visual analog pain scale and Disabilities of the arm, shoulder and hand questionnaire. We used some statistical tests to study the prediction of the evolution. We described the complications and the reinterventions. Results: The pain of the patients had a significant improvement. We didn’t find any differences in any of the factors to predict the evolution. Six cases required reinterventions because of some complications such dislocations, ulnar impingement, ulnar neuropathy and volar subluxation of the tendons of the first dorsal compartment. Conclusions: Total wrist arthroplasty is a good alternative in the treatment of advanced radiocarpal osteoarthritis in patients who want to preserve some wrist mobility. We have not found any factors to predict the evolution of this surgery.

Artroplastia total de muñeca. Resultados funcionales, complicaciones y factores predictivos de la evolución