A Review of Outcomes and Modes of Presentation following Liner Dissociation from Harris-Galante Uncemented Acetabular Components. Issue 2 (23rd March 2016)

• Record Type: Journal Article
• Authors: Grazette, Andrew J.; Foote, Julian; Whitehouse, Michael R.; Blom, Ashley W.
• Is Part Of: Hip international. Volume 26:Issue 2(2016)
• Page Start: 149
• Page End: 152
• Publication Date: 2016-03-23
• Subjects: Arthroplasty -- Liner dissociation -- Outcomes -- Revision; Hip joint -- Pathophysiology -- Periodicals; Hip joint -- Diseases -- Periodicals; Hip joint -- Surgery -- Periodicals; 617.581005
• DOI: 10.5301/hipint.5000316
• Languages: English
• ISSNs: 1120-7000

Abstract

Purpose: Dissociation of the polyethylene liner is a known failure mechanism of the Harris Galante I and II uncemented acetabular components. The outcomes of revision surgery for this indication and the influence of time to diagnosis are not well described. Methods: We report a series of 29 cases revised due to this failure mechanism. The median time from primary to revision surgery was 13 years. Results: At a median of 4 years follow-up, the mean OHS was 34 (range 6-48) but results were poorer (mean 29; range 6-45) when the diagnosis and revision was delayed compared to when it was not (mean 39; range 20-48). A large proportion of our patients (n = 14) presented with sudden onset of symptoms with or without trauma. Osteolysis was common in this series but the cup was well fixed in 20/29 cases. There was macroscopic damage to the shell in all cases. Conclusions: In our experience, prompt revision of liner dissociation optimises outcomes in this group of patients and radiology reporting alone is not sufficient to identify these cases.