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AIM: We report our experience with cannulated hip screws and analyse the risk factors associated with their early failure. MATERIALS AND METHODS: All patients undergoing cannulated hip screws at a single UK Major Trauma Centre between November 2009 and November 2011 were retrospectively identified. Radiographs were analysed for fracture displacement, successful reduction, and screw configuration. Risk factors predicting early failure, defined as re-operation within 6 months, were identified using logistic regression models. RESULTS: 340 patients were included in the study, 70% were female and the mean age was 81 years. After six months 23% patients had undergone revision surgery. Initial fracture displacement (p = 0.02) and unsuccessful lateral reduction (p = 0.04) were significant predictors of early failure. CONCLUSION: Initial fracture displacement and successful fracture reduction are the most important factors related to the risk of early re-operation. We found no evidence that screw configuration is an important predictor of outcome.


Journal article


Acta orthop belg

Publication Date





34 - 38


Aged, Aged, 80 and over, Bone Screws, Female, Fracture Fixation, Internal, Hip Fractures, Humans, Male, Prosthesis Failure, Reoperation, Retrospective Studies, Risk Factors