Omnifit Acetabular Component: A Solution to Preventing and Treating Dislocation

Purpose. To assess short- to medium-term outcome of the Omnifit constrained acetabular component in preventing dislocation in at-risk patients after total hip arthroplasty (THA). Methods. 81 patients (mean age, 77 years) underwent either primary or revision THA with an Omnifit constrained acetabular...

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Bibliographic Details
Published in:Journal of orthopaedic surgery (Hong Kong) 2007-08, Vol.15 (2), p.167-169
Main Authors: Jones, SA, John, A, Mahesen, M, Blom, AW, Wharton, R, Bannister, GC
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Arthroplasty, Replacement, Hip - adverse effects
Female
Follow-Up Studies
Hip Dislocation - diagnostic imaging
Hip Dislocation - etiology
Hip Dislocation - prevention & control
Hip joint
Hip Prosthesis
Humans
Joint surgery
Male
Middle Aged
Osteoarthritis, Hip - surgery
Patients
Postoperative Complications
Prosthesis Design
Prosthesis Failure
Radiography
Reoperation
Retrospective Studies
Risk Factors
Time Factors
Treatment Outcome
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Summary:Purpose. To assess short- to medium-term outcome of the Omnifit constrained acetabular component in preventing dislocation in at-risk patients after total hip arthroplasty (THA). Methods. 81 patients (mean age, 77 years) underwent either primary or revision THA with an Omnifit constrained acetabular component and were followed up clinically and radiologically for a mean period of 24 months. Results. There was one dislocation and one revision for avulsion of the acetabulum. The remaining prostheses remained well fixed. Conclusions. In the short- to medium-term, the Omnifit constrained acetabular component is effective in preventing primary and recurrent dislocation in at-risk patients. Long-term follow-up is needed to assess whether good fixation is maintained. The Omnifit acetabular cup is recommended for elderly patients with limited life expectancy and functional demands.
ISSN:1022-5536
2309-4990
DOI:10.1177/230949900701500208