[Periprosthetic knee fractures].

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Abstract

[Indexed for MEDLINE] 7. Int Orthop. 2015 Oct;39(10):1959-63. doi: 10.1007/s00264-015-2971-8. Epub 2015 Aug 27. Periprosthetic acetabular fractures. Benazzo F(1), Formagnana M(1), Bargagliotti M(1), Perticarini L(2). Author information: (1)Clinica Ortopedica e Traumatologica, Università degli Studi di Pavia, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi 19, 27100, Pavia, Italy. (2)Clinica Ortopedica e Traumatologica, Università degli Studi di Pavia, Fondazione IRCCS Policlinico San Matteo, Viale Camillo Golgi 19, 27100, Pavia, Italy. loris.perticarini@gmail.com. PURPOSE: The aim of this article is to propose a diagnostic and therapeutic algorithm for the acetabular periprosthetic fractures. METHODS: This article explores the current literature on the epidemiology, causes and classification of periprosthetic acetabular fractures. Integrating data with the experience of the authors, it offers a guide to diagnosis and possible therapeutic strategies. RESULTS: Intra-operative fractures can occur during rasping, reaming or implant impaction, and they must be treated immediately if the component(s) is (are) unstable. Post-operative fractures can be due to major trauma (acute fractures) or minor forces in bone osteolysis; it is possible to plan reconstruction and fixation according to fracture characteristics. Treatment choice depends upon fracture site and implant stability. CONCLUSIONS: Periprosthetic acetabular fractures are uncommon complications that can occur intra-operatively or post-operatively, and a reconstructive surgeon must be able to manage the procedure. Accurate planning and reconstruction implant are necessary to achieve good cup stability. DOI: 10.1007/s00264-015-2971-8