Use of a dual mobility socket to manage total hip arthroplasty instability.

Détails

ID Serval
serval:BIB_102F7A220FDE
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Use of a dual mobility socket to manage total hip arthroplasty instability.
Périodique
Clinical Orthopaedics and Related Research
Auteur⸱e⸱s
Guyen O., Pibarot V., Vaz G., Chevillotte C., Béjui-Hugues J.
ISSN
1528-1132 (Electronic)
ISSN-L
0009-921X
Statut éditorial
Publié
Date de publication
2009
Volume
467
Numéro
2
Pages
465-472
Langue
anglais
Notes
Publication types: Journal ArticlePublication Status: ppublish
Résumé
Unconstrained tripolar hip implants provide an additional bearing using a mobile polyethylene component between the prosthetic head and the outer metal shell. Such a design increases the effective head diameter and therefore is an attractive option in challenging situations of unstable total hip arthroplasties. We report our experience with 54 patients treated using this dual mobility implant in such situations. We ascertained its ability to restore and maintain stability, and examined component loosening and component failure. At a minimum followup of 2.2 years (mean, 4 years; range, 2.2-6.8 years), one hip had redislocated 2 months postoperatively and was managed successfully without reoperation by closed reduction with no additional dislocation. Two patients required revision of the implant because of dislocation at the inner bearing. Technical errors were responsible for these failures. Three patients had reoperations for deep infections. The postoperative radiographs at latest followup showed very satisfactory osseointegration of the acetabular component because no radiolucent line or osteolysis was reported. Use of this unconstrained tripolar design was successful in restoring and maintaining hip stability. We observed encouraging results at short-term followup regarding potential for loosening or mechanical failures.
LEVEL OF EVIDENCE: Level IV, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.
Mots-clé
Arthroplasty, Replacement, Hip, Hip Joint, Hip Prosthesis, Humans, Joint Instability/prevention & control, Osteoarthritis, Hip/surgery, Prosthesis Design, Reoperation, Retrospective Studies
Pubmed
Web of science
Création de la notice
26/08/2014 19:54
Dernière modification de la notice
20/08/2019 13:37
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