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Surgical Outcomes of the Monteggia Type 2 Fracture Dislocation in Adults
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Sung Choi, Daegeun Jeong, Youngsoo Byun, Taehoe Gu, Sungsoo Ha, Dongju Shin
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J Korean Fract Soc 2019;32(1):6-13. Published online January 31, 2019
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DOI: https://doi.org/10.12671/jkfs.2019.32.1.6
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 Abstract
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- PURPOSE
This study examined clinical outcomes of Monteggia fracture type 2, which is the most common in adults with a high rate of accompanied injuries.
MATERIALS AND METHODS
From June 2004 to November 2015, a retrospective study was performed on 12 patients diagnosed with Monteggia fracture type 2 with a follow-up period of at least 6 months after surgery. The clinical outcomes were evaluated using the Mayo elbow performance score (MEPS), and the existence of accompanied injures, radiological result, and complications were analyzed.
RESULTS
Posterior instability was confirmed in all patients and accompanied fractures were detected in 9 patients (75.0%) on the radial head, whereas 10 patients (83.3%) were found on the coronoid process. The average arc of motion was 107° (70°–130°) and the mean MEPS was 89 (45–100). Additional re-operation due to re-dislocation, radioulnar synostosis, elbow instability, ulna nonunion, and radial head nonunion were performed in 4 cases (33.3%).
CONCLUSION
The Monteggia fracture type 2 is more commonly associated with radial head fractures and coronoid process fractures rather than other types, which causes elbow instability. Because the rate of additional surgery due to complications is high, the treatment of Monteggia fracture type 2 requires careful assessments.
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