期刊
JOURNAL OF HAND SURGERY-BRITISH AND EUROPEAN VOLUME
卷 32E, 期 2, 页码 148-154出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.jhsb.2006.11.018
关键词
scaphoid; non-union; vascularised; bone graft; pseudarthrosis
Patients with the specific problem of a collapsed Nakamura volar type, scaphoid synovial pseudarthrosis with avascular necrosis on both magnetic resonance imaging and intraoperative inspection were studied to determine the ability of a trapezoidal wedge-shaped structural bone graft vascularised by the 1,2 intercompartmental supraretinacular artery to simultaneously achieve correction of the scaphoid dimension and a high union rate. Fifteen patients with this specific problem were followed for a mean of 32.1 months and achieved union in all cases at a mean of 11.5 weeks. Improvements were seen postoperatively in wrist flexion and extension, grip strength, degree of dorsal intercalated segment instability and degree of scaphoid collapse. Two complications relating to the fixation technique occurred. Although technically difficult, it is possible to achieve a high rate of union for scaphoid pseudarthrosis while correcting substantial collapse deformity by the use of a structural, wedge-shaped, vascularised bone graft.
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