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Cemented Thompson's prostheses have been used to treat elderly patients with displaced intracapsular hip fractures at our two units for the last 15 years, amid growing support for the use of newer implant designs for hip hemiarthroplasty. This provided us with an opportunity to investigate survival of the Thompson's stem in our patients. A retrospective cohort study was set up to review previously collected data on patients who underwent Thompson's hemiarthroplasty over a 7-year period. These were linked to surgical notes, clinical letters and radiographs to record post-operative course and subsequent admissions and procedures. The identifiers were then linked to mortality data from the Office of 'National Statistics. Kaplan-Meier survival analyses were done for implants and patients. A total of 1,632 patients (mean age 82.7 years) underwent 1,670 procedures. Five-year implant survival was 95.4 %. A total of 36 stems were revised, including 14 revisions to total hip arthroplasty and 22 excision arthroplasties. Reasons for revision included infection (2.1 %), dislocation (1.1 %) and aseptic loosening (0.5 %). Symptomatic aseptic loosening and acetabular erosion occurred late (mean time 3.2 and 5.7 years, respectively following surgery). Aseptic loosening and erosion following hemiarthroplasty are relatively late complications.

Original publication

DOI

10.1007/s00590-014-1521-1

Type

Journal article

Journal

European journal of orthopaedic surgery & traumatology : orthopedie traumatologie

Publication Date

05/2015

Volume

25

Pages

655 - 660

Addresses

Northumbria Healthcare NHS Foundation Trust, Ashington, NE63 9JJ, UK, sameer.khan@nhs.net.

Keywords

Humans, Prosthesis-Related Infections, Femoral Neck Fractures, Prosthesis Failure, Bone Cements, Radiography, Arthroplasty, Replacement, Hip, Reoperation, Retrospective Studies, Hip Prosthesis, Aged, Aged, 80 and over, Middle Aged, Kaplan-Meier Estimate, Hemiarthroplasty