Atypical femur fractures: A review of the evidence and its implication to clinical practice

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Abstract

Whilst bisphosphonates are an established modality in the treatment of osteoporosis, there have been increasing concerns regarding the risk of an unusual form of femur fracture amongst patients receiving bisphosphonates for prolonged periods. These fractures, referred to as ‘atypical’, have been characterized by a number of clinical and radiographic features that distinguish them from ‘typical’ osteoporotic fractures. The evidence base is currently split between a large number of case series demonstrating an association between the occurrence of atypical fractures and bisphosphonate use and several population-based studies that do not confirm such an association. Hence, a degree of uncertainty surrounds this important issue. In this review, we examine the emerging evidence on atypical femur fractures, assess hypotheses on their biomechanical evolution and discuss the wider clinical implications of this phenomenon. © 2011, SAGE Publications. All rights reserved.

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Girgis, C. M., & Seibel, M. J. (2011). Atypical femur fractures: A review of the evidence and its implication to clinical practice. Therapeutic Advances in Musculoskeletal Disease, 3(6), 301–314. https://doi.org/10.1177/1759720X11416270

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