• Zhongguo Gu Shang · Nov 2017

    [Clinical outcome analysis on using extensor digitorum communis splitting approach for the treatment of radial head fractures].

    • Guan-Yi Liu, Ling-Yong Jing, Zhi-Jun Pan, Long-Jun Chen, Ming Li, Jian-Xiang Feng, and Wei-Hu Ma.
    • Department of Orthopaedics Surgery, Ningbo No.6 Hospital, Ningbo 315040, Zhejiang, China; 18906628697@163.com.
    • Zhongguo Gu Shang. 2017 Nov 25; 30 (11): 1043-1047.

    ObjectiveTo explore the clinical outcomes of internal fixation or replacement for the treatment of radial head fractures through the extensor digitorum communis splitting approach.MethodsFrom July 2012 to May 2015, 25 patients with radial head fractures were reviewed. There were 17 males and 8 females, ranging in age from 20 to 67 years old, with a mean age of 39 years old. Twenty-one patients were treated with reconstruction of plate internal fixation, and 4 patients were treated with radial head replacement. According to Mason classification, 19 cases were type II and 6 cases were type III. All the patients underwent internal fixation or replacement through the extensor digitorum communis splitting approach. The patients were followed up clinically and radiographically until the beginning of fracture union and the entrance of function recovery of elbow motion into a plateau. The functional status of the elbow was evaluated using the Mayo Elbow Performance Index(MEPI). Radiographic signs of post-traumatic arthritis were rated according to the Broberg and Morrey system.ResultsAll the patients were followed up, and the average duration was 29 months (ranged, 12 to 56 months). The average range of flexion and extension was 120°, the extension was limited by 10°, and the flexion was 135°. The average forearm rotation range was 142°, pronation was 75°, supination was 67°. The mean MEPI was 93±7(ranged, 80 to 100 scores); according to the MEPI scoring criceria, 19 patients got an excellent functional result, 6 good. According to the Broberg and Morrey systems of traumatic arthritis, 19 patients were in grade 0, 6 in grade 1, and no patients in grade 2 or 3. No patients with nonunion of the radial head and failure of internal fixation were found. There were no complications of nerve or vascular injuries, and obvious limitation of elbow rotation. Heterotopic ossification around the elbow occurred in 4 cases, but the motion was not significantly limited. There were no complications such as prosthesis loosening and infection in 4 cases after radial head prosthesis replacement.ConclusionsThe extensor digitorum communis splitting approach is an effective exposure method for internal fixation or replacement in the treatment of radial head fractures.

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