Pure Cancellous Chip Bone Graft and Kwire Fixation for Undisplaced Scaphoid Nonunion

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Journal of the Korean Society for Surgery of the Hand 2008;13(3):177-181.
Published online September 1, 2008.

Jin Sam Kim, Jun O Yoon, Eugene Kim, Chae Chil Lee, Jong Min Kim

순수 해면 조각 골 이식술과 K-강선 고정술을 이용한 주상골 불유합의 치료

김진삼, 윤준오, 김유진, 이채칠, 김종민

Abstract

Purpose
To evaluate clinical results of the pure cancellous chip bone graft and K-wire fixation for the treatment of undisplaced scaphoid nonunion. Materials and Methods: 14 cases of undisplaced scaphoid nonunion were reviewed. They had been treated with the pure cancellous chip bone graft and K-wire fixation and followed up minimally one year. The clinical results were evaluated with range of motion, grip power, modified Mayo wrist score and VAS score. Results: Solid union was achieved in thirteen cases, except one case (union rate: 92.9%). According to the modified Mayo wrist scoring system, the outcomes were excellent in five cases, good in six cases, and fair in two cases. Grip power and modified Mayo wrist score were improved 28 kg to 39 kg and 54 to 86 each, otherwise range of motion has no significant change. Conclusion: The pure cancellous chip bone graft and K-wire fixation procedure is relatively easy and provides good clinical results. Pure cancellous chip bone graft and K-wire fixation provided good clinical result, and it was considered to be a good treatment option for undisplaced scaphoid nonunion.

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