The Exeter Contemporary flanged cemented acetabular component in primary total hip arthroplasty

Maggs, J. L., Smeatham, A., Whitehouse, S. L., Charity, J., Timperley, A. J., & Gie, G. A. (2016) The Exeter Contemporary flanged cemented acetabular component in primary total hip arthroplasty. The Bone and Joint Journal, 98-B(3), pp. 307-312.

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Abstract

Aims: We report on the outcome of the Exeter Contemporary flanged cemented all-polyethylene acetabular component with a mean follow-up of 12 years (10 to 13.9). This study reviewed 203 hips in 194 patients. 129 hips in 122 patients are still in situ; 66 hips in 64 patients were in patients who died before ten years, and eight hips (eight patients) were revised. Clinical outcome scores were available for 108 hips (104 patients) and radiographs for 103 hips (100 patients).

Patients and Methods: A retrospective review was undertaken of a consecutive series of 203 routine primary cemented total hip arthroplasties (THA) in 194 patients.

Results: There were no acetabular component revisions for aseptic loosening. Acetabular revision was undertaken in eight hips. In four hips revision was necessitated by periprosthetic femoral fractures, in two hips by recurrent dislocation, in one hip for infection and in one hip for unexplained ongoing pain.

Oxford and Harris hip scores demonstrated significant clinical improvement (all p < 0.001). Radiolucent lines were present in 37 (36%) of the 103 acetabular components available for radiological evaluation. In 27 of these, the line was confined to zone 1. No component had migrated.

Conclusion: Kaplan–Meier survivorship, with revision for aseptic loosening as the endpoint, was 100% at 12.5 years and for all causes was 97.8% (95% confidence interval 95.6 to 100) when 40 components remained at risk.

The Exeter Contemporary flanged cemented acetabular component demonstrates excellent survivorship at 12.5 years.

Take home message: The Exeter Contemporary flanged cemented acetabular component has excellent clinical outcomes and survivorship when used with the Exeter stem in total hip arthroplasty.

Impact and interest:

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ID Code: 95225
Item Type: Journal Article
Refereed: Yes
Keywords: Primary Total Hip Arthroplasty, Exeter Hip, Cement, Cemented Cup, Exeter Contemporary
DOI: 10.1302/0301-620X.98B3.35901
ISSN: 2049-4394
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Orthopaedics (110314)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2016 The British Editorial Society of Bone & Joint Surgery
Deposited On: 27 Apr 2016 23:23
Last Modified: 30 Apr 2016 02:39

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