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Published in: BMC Geriatrics 1/2019

Open Access 01-12-2019 | Periprosthetic Fracture | Research article

Cementless short-stem total hip arthroplasty in the elderly patient - is it a safe option?: a prospective multicentre observational study

Authors: Georgios Gkagkalis, Patrick Goetti, Sabine Mai, Ingmar Meinecke, Näder Helmy, Dominique Bosson, Karl Philipp Kutzner

Published in: BMC Geriatrics | Issue 1/2019

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Abstract

Background

Due to its bone preserving philosophy, short-stem total hip arthroplasty (THA) has primarily been recommended for young and active patients. However, there may be benefits for elderly patients given a less invasive operative technique due to the short curved implant design. The purpose of this study was to compare the clinical and radiological outcomes as well as perioperative complications of a calcar-guided short stem between a young (< 60 years) and a geriatric (> 75 years) population.

Methods

Data were collected in a total of 5 centers, and 400 short-stems were included as part of a prospective multicentre observational study between 2010 and 2014 with a mean follow-up of 49.2 months. Preoperative femur morphology was analysed using the Dorr classification. Clinical and radiological outcomes were assessed in both groups as well as perioperative complications, rates and reasons for stem revision.

Results

No differences were found for the mean visual analogue scale (VAS) values of rest pain, load pain, and satisfaction, whereas Harris Hip Score (HHS) was slightly better in the young group. Comparing both groups, none of the radiological parameters that were assessed (stress-shielding, cortical hypertrophy, radiolucency, osteolysis) reached differences of statistical significance. While in young patients aseptic loosening is the main cause of implant failure, in the elderly group particularly postoperative periprosthetic fractures due to accidental fall have to be considered to be of high risk. The incidence of periprosthetic fractures was found to be 0% in Dorr type A femurs, whereas in Dorr types B and C fractures occurred in 2.1 and 22.2% respectively.

Conclusions

Advanced age alone is not necessarily to be considered as contra-indications for calcar-guided short-stem THA, although further follow-up is needed. However, markedly reduced bone quality with femur morphology of Dorr type C seems to be associated with increased risk for postoperative periprosthetic fractures, thus indication should be limited to Dorr types A and B.

Trial registration

German Clinical Trials Register; DRKS00012634, 07.07.2017 (retrospectively registered).
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Metadata
Title
Cementless short-stem total hip arthroplasty in the elderly patient - is it a safe option?: a prospective multicentre observational study
Authors
Georgios Gkagkalis
Patrick Goetti
Sabine Mai
Ingmar Meinecke
Näder Helmy
Dominique Bosson
Karl Philipp Kutzner
Publication date
01-12-2019
Publisher
BioMed Central
Published in
BMC Geriatrics / Issue 1/2019
Electronic ISSN: 1471-2318
DOI
https://doi.org/10.1186/s12877-019-1123-1

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