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Year : 2018  |  Volume : 52  |  Issue : 6  |  Page : 590-595

Treatment of modified Mason Type III or IV radial head fracture: Open reduction and internal fixation versus arthroplasty

1 Department of Orthopedic Surgery, Yeungnam University Medical Center, Daegu, Korea
2 Department of Orthopedic Surgery, W Hospital, Daegu, Korea

Correspondence Address:
Dr. Jae-Sung Seo
Department of Orthopedic Surgery, W Hospital, 1616 Dalgubeol-daero, Dalseo-gu, Daegu 704-953
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ortho.IJOrtho_537_16

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Background: The treatment of modified Mason Type III or IV fractures is controversial. Many authors report open reduction and internal fixation (ORIF) with reconstruction of the radial head, but others advocate radial head arthroplasty (RHA). This study compares the clinical and radiological outcomes of ORIF and RHA in modified Mason Type III or IV radial head fracture and evaluates correlations between prognostic factors and postoperative clinical outcomes. Materials and Methods: 42 patients with modified Mason Type III or IV radial head fractures who were surgically treated between January 2010 and January 2014 were retrospectively analyzed (20 patients with RHA and 22 patients with ORIF group were selected). Clinically, the patient rated elbow evaluation (PREE), the disabilities of the arm, shoulder and hand (DASH), and the range of motion (ROM) were measured. Radiologically, plain radiographs and computed tomography scans were taken. Results: The mean PREE scores were 13.9 for the RHA group and 13.0 for the ORIF group, and mean DASH scores were 9.5 and 10.7, respectively. The differences were not statistically significant. When comparing ROM, the patients in the RHA group showed greater movement at all measured angles. In multiple regression analysis, age was the only variable significantly associated with both PREE and DASH. Conclusion: Overall, there were no significant differences in clinical outcomes of modified Mason Type III or IV radial head fractures treated with ORIF or RHA. However, a subgroup of younger patients had better clinical outcomes with ORIF treatment. Therefore, ORIF should be the first line of treatment, particularly if the reduction is possible.

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