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Clin Orthop Surg. 2018 Mar;10(1):14-19. English. Original Article.
Aslam-Pervez N , Riaz O , Gopal S , Hossain F .
Department of Orthopaedics and Trauma Surgery, Hull Royal Infirmary, Hull, UK.
Department of Orthopaedics and Trauma Surgery, Leeds General Infirmary, Leeds, UK.
Department of Orthopaedics and Trauma Surgery, University College London, London, UK.


The aim of our study was to determine the rate and preoperative predictors of intraoperative fracture (IOF) during hip hemiarthroplasty (HA) in patients who have sustained a fragility hip fracture injury.


We reviewed 626 patients who underwent HA at our institution using the National Hip Fracture Database. Various patient- and surgery-related data including demographic information, cement usage, surgeon grade, time to surgery, and operative duration were collected. The metaphyseal diaphyseal index and modified canal bone ratio were measured on preoperative radiographs. We compared patients with and without IOF with respect to all variables collected. Multivariate regression modeling was used to identify significant preoperative risk factors for IOF.


There was a 7% incidence of IOF in our cohort exclusively comprising of Vancouver A fractures. The majority of these complications were treated nonoperatively (52%). There was no statistically significant difference with respect to cement usage, surgeon grade, operative duration, time to surgery, and radiographic parameters collected. Increasing age was found to be the most significant preoperative risk factor for predicting IOF (p = 0.024, overall relative risk = 1.06).


Our identified predictor of increasing age is nonmodifiable and illustrates the importance of meticulous surgical technique in older patients. Furthermore, its independence from fixation methods or prosthesis design as a predictor of IOF may support using an uncemented prosthesis in patients at risk from cement implantation.

Copyright © 2019. Korean Association of Medical Journal Editors.