ArticleJournal of clinical orthopaedics and trauma2025
Does approach for radial head repair in Bado II Monteggia variants affect outcome?
Article in Journal of clinical orthopaedics and trauma, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: This study compares outcomes and complications of patients with Bado II Monteggia fracture-dislocations that required radial head fixation or replacement based upon approach to the radial head. Methods: A retrospective review was performed of 159 consecutive patients with proximal ulna fractures and a radial head dislocation or fracture (Monteggia Variant). Injuries were classified by Bado type. Forty-one patients with Bado II Monteggia injuries treated with either a radial head replacement or fixation with complete follow up were included. Demographics, injury information, surgical details, and follow up information including elbow range of motion (ROM) and complications were collected. A trans-osseous posterior (TOP) approach working through the ulna fracture to address the radial head first was used in 19 patients, while 22 patients had their radial head treated via a separate lateral (Kocher) interval after ulnar fixation. Ulnar plate fixation was performed for all patients. Comparisons were made using independent t-tests. Results: Forty-one Monteggia lesions treated through TOP (19, 46 %) or Kocher (22, 64 %) approaches underwent a radial head replacement (33, 80.5 %) or fracture repair (8, 19.5 %) with a mean final follow-up of 15.3 months. At all post-operative visits, groups displayed similar rates of functional elbow ROM. At latest follow-up rates of patient-reported pain, ultimate elbow ROM, time to radiographic healing were equivalent. No significant differences were observed in ulna non-union, joint malalignment, post-operative nerve injury, post-operative infection, heterotopic ossification, incidence of hardware failure, patient-reported pain, and rate of removal of symptomatic hardware. Sub-analysis of radial head replacement versus fixation revealed equivalent percentage of patients with full ROM at each post-operative time point. Conclusion: For Bado II Monteggia fracture-dislocations, the surgical approach to the radial head-TOP versus Kocher-does not influence ultimate patient outcomes or complication rates. Radial head replacement and fixation provide comparable results. Level of evidence: III.
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