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Journal of Hand Surgery (British and European Volume)
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Unstable Scaphoid Fracture Nonunion: A Medium-Term Study of Anterior Wedge Grafting Procedures

S. EGGLI
D. L. FERNANDEZ
T. BECK

From the Department of Orthopeadic Surgery and Hand Unit, Lindenhofspital, Berne, Switzerland

Correspondence: Dr Simone Eggli, Dept of Orthopeadic Surgery, Lindenhof Hospital, CH-3012 Berne, Switzerland. E-mail: Diegof{at}bluewin.ch

A retrospective review of 37 patients with scaphoid fracture nonunions treated by interpositional bone grafting and internal fixation was conducted at an average follow-up of 5.7 years. Solid radiographic union was achieved in 35 cases. Preexisting avascular necrosis was a major adverse factor for achievement of union and satisfactory outcome. Based on the modified Mayo wrist-scoring system, 15 patients had an excellent result, 11 had a good result, four had a fair result and seven had a poor result. Patients with preexisting degenerative changes had a significantly worse clinical outcome. The vast majority of the patients had satisfactory correction of scaphoid length and the associated dorsal intercalated segment instability (DISI). Although 30 patients showed radiographic evidence of mild or moderate degenerative changes at their latest follow-up, there was no significant progression of arthrosis and the scaphoid nonunion advanced carpal collapse deformity did not progress after healing of the fracture nonunion.

Journal of Hand Surgery (British and European Volume), Vol. 27, No. 1, 36-41 (2002)
DOI: 10.1054/JHSB.2001.0651
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