• Sungwook Choi, Kyu-Bum Seo, Yong Suk Kwon, Hyunseong Kang, Changhee Cho, and Joseph Y Rho.
• Acta Orthop Belg. 2019 Dec 1; 85 (4): 429-436.

AbstractThe purpose of this study is to evaluate radiological, clinical results and complication rates of dual plate fixation for severe metaphyseal comminuted fracture of proximal humerus. 21 patients who have proximal humerus fractures with impaired posteromedial buttress were enrolled. Fractures were treated with dual plate technique using Proximal Humeral Locking plate and Variable Angle Plate. Radiographic results were analyzed based on duration of union. For evaluation of the degree of anatomical reduction, neck shaft angle on the anteroposterior view was measured by simple plain radiography using the Paavolainen method, while anterior-posterior angulation was measured on the axial view. Degree of anatomic reduction was good in 17 patients (80.95%), fair in 3 patients (14.28%), and poor in 1 patient (4.77%). One case of impingement, and one case of avascular necrosis were noted. The dual plate technique provides stable fixation and satisfactory clinical and radiological results for severely comminuted metaphyseal fracture of the proximal humerus.

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