Clinical and radiological findings: A 61-year-old patient presented following a slip on ice, resulting in a posterior Monteggia fracture dislocation. Radiological assessment confirmed a Type 2b fracture, located just distal to the coronoid process. The injury was associated with a minor radial head impaction fracture. No significant ligamentous or capsular injuries were noted.
Planning remarks: The preoperative plan involved an open reduction and internal fixation of the proximal ulna fracture through a posterior approach. The surgical strategy included achieving anatomic reduction of the ulna to facilitate spontaneous reduction of the radiocapitellar joint.
Patient positioning: The patient was positioned in a lateral decubitus position to allow optimal access to the posterior aspect of the elbow.
Anatomical surgical approach: A posterior approach to the elbow was utilized, involving a midline incision over the olecranon extending distally along the subcutaneous border of the ulna. Subperiosteal dissection was performed to expose the fracture site for reduction and fixation.
Operative remarks:The surgeon noted that with anatomic reduction of the proximal ulna, the radiocapitellar joint reduced spontaneously. It was emphasized that persistent dislocation of the radiocapitellar joint post-fixation often indicates inadequate reduction of the ulna, necessitating reassessment and correction of the ulnar alignment.
Postoperative protocol: Postoperative rehabilitation included early mobilization with a focus on regaining range of motion. Weight-bearing restrictions were applied until radiographic evidence of fracture healing was observed.
Follow up: Not specified.
Orthopaedic implants used: Orthopaedic implants used included a plate and screw construct for fixation of the proximal ulna fracture.
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23 Jul 2025
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Surname, Initial. (2025). Posterior Monteggia Fracture Dislocation Type 2b with Radial Head Impaction.. Journal of Orthopaedic Surgery and Traumatology. Case Report 28590310 Published Online Jul 23 2025.