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Evaluation of Proximal Humerus Internal Locking System in Management of Proximal Humeral Fractures

Background: Because they provide tight anatomical fixation and better angular stability, the proximal humerus PHILOS plate is now the implant of choice for treating displaced proximal humerus fractures. Objective: This study aimed to improve radiological & clinical outcome of proximal humeral fractures using PHILOS Plate. Patients and Methods: A prospective study involving 30 cases of proximal humeral fractures was done from January to December 2021. All patients were operated at Zagazig University Hospitals. All patients were treated surgically, with open reduction of the fractures and internal fixation with proximal humeral locking plates. The cases were followed for 6 months to a year. Results: All fractures healed satisfactorily, except in five patients. In two patients, there was stiffness, one with avascular necrosis (type 4 Neer classification) scheduled for plate removal and hemiarthoplasty and one with infection, which subsided after treatment. Fracture healing happened with varus displacement in one patient, and the patient was pleased with the outcome. Conclusion: Locking plates offer more advantages than conventional plates specially when dealing with osteoporotic bone. It is recommended to use locking plate whenever an elderly patient is indicated for internal fixation.