• G-Yves Laflamme, Etienne L Belzile, Julio C Fernandes, Pascal A Vendittoli, and Jonah Hébert-Davies.
• Hôpital du Sacré-Coeur de Montréal, Montréal, Québec, Canada.
• J Arthroplasty. 2015 Feb 1; 30 (2): 265-9.

AbstractPeriprosthetic hip fractures around acetabular components are rare with little information available to guide surgical management of these complex injuries. A retrospective review of intraoperative isolated acetabular periprosthetic fractures from three tertiary surgical units was done. A total of 32 patients were identified with 9 initially missed. Acetabular components were stable (type 1) in 11 patients with no failures; unstable (type 2) in 12 patients and treated with supplemental fixation. Non-union and displacement were correlated with absent posterior column plating. Missed fractures (type 3) had the highest reoperation rate. Anterior patterns all healed, whereas fractures with posterior column instability had a 67% failure rate. Periprosthetic acetabular fracture can heal successfully with posterior column stability. Plating is mandatory for large posterior wall fragments to achieve osteointegration. Copyright © 2014 Elsevier Inc. All rights reserved.

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