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Title: Periprosthetic fracture as a late mode of failure of the Anatomique Benoist Girard II femoral prosthesis.
Epworth Authors: de Steiger, Richard
Other Authors: Mulford, Jonathan
Mathew, Ronnie
Penn, David
Cuthbert, Alana
Keywords: Periprosthetic Fracture
Anatomique Benoist Girard II
Femoral Prosthesis
Femoral Stem
Hip Arthroplasty
Total Hip Replacement
Cementless Stem
Revision Rate
Australian Orthopaedic Association National Joint Replacement Registry
Musculoskeletal Clinical Institute, Epworth HealthCare, Victoria, Australia
Issue Date: Feb-2022
Publisher: Wiley
Citation: ANZ J Surg . 2022 Feb 21
Abstract: Aim: The Anatomique Benoist Girard (ABG) II femoral implant was a commonly used stem for primary total hip replacement (THR) at our institution (Launceston, Tasmania Australia). We identified peri-prosthetic fracture as the main cause of late failure. Methods: The late periprosthetic fracture rate for ABG II implants was reviewed with national statistics, using Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR) data. National revision rates for periprosthetic fracture were used to compare ABG II with all other cementless femoral stems. Result: ABG II stems accounted for 1% (2719 implants) of all femoral stem implants in Australia during the 12-year review period, compared to 23% (587 implants) in Launceston Hospitals. Although the Launceston cumulative percent revision rate for the ABG II stem was lower than the National rate at all time points, the reasons for revision were similar. The most common reason for revision of ABG II was fracture (56.8%), followed by loosening (15.3%). This differs from the reasons for revision in other cementless prostheses (loosening 23.9%, fracture 20.8%, dislocation 18.7%). Cumulative percent revision rates from late periprosthetic fracture, were higher for the ABG II stem than other cementless femoral prostheses. Conclusion: This review of the AOANJRR has confirmed a local and national higher revision rate of the ABG II stem due to late periprosthetic fracture compared with other cementless stems. Stem design must be considered to reduce the risk of late periprosthetic fracture.
DOI: 10.1111/ans.17547
ISSN: 1445 1433
1445 2197
Journal Title: ANZ Journal of Surgery
Type: Journal Article
Affiliated Organisations: Orthopaedic Department, Department of Surgery, Launceston General Hospital, Launceston, Tasmania, Australia.
Launceston Clinical School, School of Health Sciences, University of Tasmania, Hobart, Tasmania, Australia.
Australian Orthopaedic Association National Joint Replacement Registry, Adelaide, South Australia, Australia
Type of Clinical Study or Trial: Retrospective studies
Appears in Collections:Musculoskeletal

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