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KMID : 0361620070420040475
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Journal of the Korean Orthopaedic Association
2007 Volume.42 No. 4 p.475 ~ p.482
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Treatment of Unstable Dorsal Proximal Interphalangeal Fracture/Dislocation using a Hemi-Hamate Autograft
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Shin Hyun-Dae
Kim Kyung-Cheon
Woo Se-Min
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Abstract
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Purpose: To evaluate clinical and radiology assessments of the treatment outcomes of an unstable dorsal proximal interphalangeal (PIP) fracture and dislocation by hemi-hamate autograft.
Materials and Methods: Six patients underwent a hemi-hamate autograft for the treatment of an unstable dorsal PIP fracture dislocation of which the articular involvement of the PIP joint was ＞50%, or an unstable joint despite the lesser degree of involvement. The clinical results were evaluated from the following: postoperative patient satisfaction, range of motion, stability and grip strength. The radiographs were evaluated for the union, and graft incorporation, and/or collapse.
Results: All patients were satisfied with the results and the range of motion of the PIP joint was 81 degrees (75-100o). In all cases, stability of the PIP joint was restored. The average grip strength was 82% (75-90%) of the uninjured side. Bone union was achieved in all patients.
Conclusion: A hemi-hamate autograft is effective for reconstructing the cup-shaped contour of the articular surface, and for recovering the functional range of motion of the PIP joint after an unstable dorsal proximal interphalangeal (PIP) fracture and dislocation. However, more study will be needed through a mid-term and long-term follow up.
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KEYWORD
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Midphalanx, PIP joint, Fracture, Dislocation, Hemi-hamate autograft
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