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Revista de la Asociación Argentina de Ortopedia y Traumatología

On-line version ISSN 1852-7434


ZAIDENBERG, Ezequiel E et al. Descompresión ósea metafisaria del radio distal para estadios tempranos de la enfermedad de Kienböck: Seguimiento mínimo de 10 años. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2018, vol.83, n.1, pp.25-30. ISSN 1852-7434.

Introduction: The purpose of this study is to analyze the long-term clinical and radiological results of a series of patients with early stages of Kienböck disease treated with radius core decompression. Methods: This retrospective study included 23 patients with Kienböck’s disease (Lichtman stage II and IIIA) who underwent distal radius metaphyseal core decompression, and were controlled for at least 10 years. At the last follow-up, wrist range of motion and grip strength using the modified Mayo wrist score and pain using the visual analogue scale were evaluated. Patients were also radiographically evaluated with the Lichtman classification and the modified carpal height ratio. Results: The mean follow-up period was 14 years (range 10-9). Nine patients were women and fourteen were men. Fifteen cases belonged to IIIA stage and 8 to II stage. Based on the modified Mayo wrist score, results were excellent in 9 patients, good in 11 patients, fair in 2 and poor in one patient. Preoperative pain score according to VAS was 7 (range 6-10) and 1.1 (range 0-6) at the final follow-up. Average flexion/extension arc was 78% and the grip strength was 81%. Radiographic disease progression according to Lichtman classification occurred in four wrists, while the remaining 19 patients remained without changes. Conclusion: Radius core decompression achieved long-term favorable results in the early stages of Kienböck disease.

Keywords : Kienböck; Bone decompression; Long-term results; Early stages.

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