• Umberto Giovanni De Bellis, Claudio Legnani, and Giorgio Maria Calori.
• U.O.S.D. Servizio di Traumatologia d'Urgenza, Istituto Ortopedico G. Pini, Milano, Italy. Electronic address: umbertogiovanni.debellis@gpini.it.
• Injury. 2014 Feb 1; 45 (2): 356-61.

IntroductionImmediate total hip replacement (THR) in patients with acetabular fractures is controversial because of concerns about high complication rates. The current article is a systematic review of the literature on the use of acute THR for the treatment of acetabular fractures.Materials And MethodsThis systematic review included studies published in English between 1992 and 2012 of subjects with acetabular fracture undergoing immediate THR. Outcomes of interest included indications; clinical assessment, including walking ability; comparison with control group; associated procedures, and rate of complications, such as loosening or revision surgery.ResultsThis review identified six studies, of which only one included a control group. Acute THR was associated with satisfying outcomes with regard to clinical assessment and walking ability. The comparative study assessed the difference between acute THR and delayed THR in acetabular fractures: improved outcomes were observed in the delayed THR group, although the differences between the two groups were not statistically significant.DiscussionAccording to data reported in the literature, acute primary THR can be successful in patients with poor bone quality, combined acetabular and femoral neck fractures, or pathological fractures and concurrent osteoarthritis of the hip. Relative indications include old age, delayed presentation, substantial medical comorbidities, and pathologic obesity. Clinical outcomes with acute THR were similar to those with delayed THR. Although the results reported in the six studies reviewed here were satisfying overall, there is limited evidence in this area in the existing literature and future prospective investigations are required.ConclusionData reported in the literature indicate that immediate THR can be successful in appropriately selected elderly patients or patients with extensive osteoporosis, combined acetabular and femoral neck fractures or pathological fractures. There is currently a limited evidence base for THR in patients with acetabular fractures; therefore, physicians' practice and expertise are the most useful tools in clinical practice.Copyright © 2013 Elsevier Ltd. All rights reserved.

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