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. 2017 Sep/Oct;46(5):232-237.

Management and Prevention of Intraoperative Acetabular Fracture in Primary Total Hip Arthroplasty

Affiliations
  • PMID: 29099882

Management and Prevention of Intraoperative Acetabular Fracture in Primary Total Hip Arthroplasty

Jonathon M Brown et al. Am J Orthop (Belle Mead NJ). 2017 Sep/Oct.

Abstract

Intraoperative acetabular fracture (IAF) is a rare complication of primary total hip arthroplasty (THA). Known risk factors include poor bone stock, underreaming of the acetabular bed, and use of elliptic components. There is a paucity of literature on risk factors, treatment strategies, and outcomes of this potentially devastating complication. We studied the incidence of IAF in primary THA at our high-volume institution. We reviewed 21,519 primary THA cases and identified 16 patients (16 hips) with IAFs. Mean follow-up was 4 years (range, 0-10 years). Implant data were recorded, and acetabular components were identified as elliptic modular or hemispheric modular. The institution's IAF rate was 0.0007%. All IAFs were associated with uncemented acetabular components. Sixty-nine percent of the fractures were not appreciated during surgery. All posterior column fractures required operative intervention in the immediate or early (<3 months) postoperative period. Compared with anterior column fractures, posterior column fractures were associated with acetabular component instability and need for additional surgery. In this article, we also present strategies for managing and preventing IAF in primary THA. This rare fracture requires prompt recognition and often necessitates aggressive management. More study is needed to determine how to better manage IAFs.

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Conflict of interest statement

Authors’ Disclosure Statement: The authors report no actual or potential conflict of interest in relation to this article.

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