Acetabular liner dissociation is a rare complication of Total Hip Arthroplasty (THA) which requires urgent revision surgery. A case is presented in which the correct diagnosis was not appreciated on two separate Emergency Department attendances. The typical symptoms, signs, and radiological features are outlined and the importance of considering a rare complication following a commonly performed procedure is highlighted.
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http://dx.doi.org/10.1155/2015/802753 | DOI Listing |
J Arthroplasty
January 2025
Oakland University William Beaumont School of Medicine, Rochester, MI; Department of Orthopedic Surgery, Corewell Health William Beaumont University Hospital, Royal Oak, MI. Electronic address:
Background: Hip instability following total hip arthroplasty (THA) is among the most common indications for revision surgery. The implantation of dual-mobility (DM) systems, designed to improve stability, continues to rise, and thus, characterizing in vivo implant damage modes is paramount.
Methods: Under an implant retrieval protocol, 51 DM THA systems were analyzed.
J Arthroplasty
January 2025
Department of Orthopaedic Surgery, Division of Lower Limb Reconstruction, University of British Columbia, Vancouver, British Columbia, Canada.
Background: Pelvic discontinuity (PD) poses a difficult challenge in revision total hip arthroplasty (rTHA). There is a paucity of evidence assessing five- to ten-year outcomes of cup cages for PD. This study aimed to review the survivorship and outcomes of cup-cage constructs for PD.
View Article and Find Full Text PDFDislocation is the second most common indication for revision total hip arthroplasty (THA). In revision cases the dislocation rate can be as high as 5-30%. The aim of this study was to assess the outcome, specifically the dislocation rate in revision THA where a dual mobility cup was used.
View Article and Find Full Text PDFLarge-diameter heads (LDHs) in total hip arthroplasty (THA) enhance range of motion but require thinner liners. Monoblock acetabular components with ceramic liners could reduce liner fracture risks during modular acetabular component assembly. This study aims to confirm the safety and clinical performance of the monoblock Maxera Cup in THA.
View Article and Find Full Text PDFSurg Technol Int
January 2025
JIS Orthopedics Inc., New Albany, Ohio.
Accurate acetabular component positioning is crucial for the success of total hip arthroplasty (THA). Malplacement of the acetabular component increases the risk of post-surgery complications, most notably dislocation.1 Furthermore, malposition can also result in wear of the polyethylene liner, limited range of motion, and osteolysis.
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