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J Korean Fract Soc. 2008 Jan;21(1):45-50. Korean. Original Article.
Lee JS , Kang SY , Yoo JH .
Department of Orthopaedic Surgery, Yong-San Hospital, Chung-Ang University College of Medicine, Seoul, Korea.

PURPOSE: To evaluate clinical results and advantage of interposition and shortening technique for the treatment of the humeral nonunion with bone defect. MATERIALS AND METHODS: Eight patients with the humeral nonunion with bone defect underwent interposition of fragments and shortening had been followed-up for more than one year (mean 70 months, 16~156). There were 4 men and 4 women with a mean age of 60.5 years (range, 48 to 75 years). There included 3 proximal, 3 diaphysis and 2 distal metaphysis according to the site, mean size of the bone defect was 3.3 cm (2~5). The time to union, discrepancy of upper extremity, functional results, cosmetic satisfaction and postoperative complications were assessed. RESULTS: All patients achieved to bone union, average union time was 10.2 weeks (range 8~14). Average limb discrepancy was 2.3 cm. All had improvement in shoulder and elbow motion after operation. Seven patients were satisfied with the cosmetic result and none had functional deficit due to limb discrepancy. CONCLUSION: Treatment by Interposition of fragments and shortening in the intractable nonunion of humerus with a bony defect can achieve not only good functional result, shortened bone union time and improved in shoulder and elbow motion.

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