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  • Title: Fracture-Dislocations of the Elbow: A Comparison of Monteggia and Terrible Triad Fracture Patterns.
    Author: Gonzalez LJ, Shields CN, Leucht P, Konda SR, Egol KA.
    Journal: Orthopedics; 2023 May; 46(3):158-163. PubMed ID: 36476213.
    Abstract:
    Fracture-dislocations of the elbow are a spectrum of injuries that have varying outcomes and complications, such as limited range of motion and long-term pain. The Monteggia fracture-dislocation and terrible triad fracture-dislocation are 2 such injury patterns that occur secondary to different mechanisms. This study sought to compare complication profiles and patient outcomes associated with these 2 distinct injury patterns. A retrospective chart review of all adult patients treated by 1 of 3 orthopedic traumatologists at a major academic center for operative fixation for either a Monteggia fracture-dislocation or a terrible triad elbow fracture-dislocation over a 12-year period was performed. Data collected included demographics, surgical data, patient-reported pain and elbow stiffness, elbow range of motion, presence of elbow joint contracture, nerve injuries, healing complications, and need for reoperation. The review included 105 patients, 58 with Monteggia injury and 47 with terrible triad injury, who had complete follow-up and radiographic imaging available. At latest follow-up, the 2 groups had similar rates of pain, reoperation, and ultimate elbow range of motion in flexion, extension, pronation, and supination. Elbow contractures requiring operative release were more commonly associated with terrible triad injury, and the incidence of nonunion was significantly greater in Monteggia fractures. A Monteggia fracture-dislocation portends a higher risk of ulna nonunion, whereas terrible triad injury is associated with elbow contracture. Despite their unique complications, both patterns ultimately have high rates of reoperation as their unique complications are both indications for operative repair. Patients should be appropriately counseled on the complication profile of their unique injury pattern. [Orthopedics. 2023;46(3):158-163.].
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