Clinical Orthopaedics and Related Research®

, Volume 468, Issue 12, pp 3248–3254

The Use of a Cemented Dual Mobility Socket to Treat Recurrent Dislocation

  • Moussa Hamadouche
  • David J. Biau
  • Denis Huten
  • Thierry Musset
  • François Gaucher
Symposium: Papers Presented at the 2009 Closed Meeting of the International Hip Society

DOI: 10.1007/s11999-010-1404-7

Cite this article as:
Hamadouche, M., Biau, D.J., Huten, D. et al. Clin Orthop Relat Res (2010) 468: 3248. doi:10.1007/s11999-010-1404-7

Abstract

Background

The treatment of recurrent dislocation after total hip arthroplasty remains challenging. Dual mobility sockets have been associated with a low rate of dislocation but it is not known whether they are useful for treating recurrent dislocation.

Questions/purposes

We therefore asked whether a cemented dual mobility socket would (1) restore hip stability following recurrent dislocation; (2) provide a pain-free and mobile hip; and (3) show durable radiographic fixation.

Methods

We retrospectively reviewed 51 patients treated with a cemented dual mobility socket for recurrent dislocation after total hip arthroplasty between August 2002 and June 2005. The mean age at the time of the index procedure of was 71.3 years. Of the 51 patients, 47 have had complete clinical and radiographic evaluation data at a mean followup of 51.4 months (range, 25–76.3 months).

Results

The cemented dual mobility socket restored complete stability of the hip in 45 of the 47 patients (96%). The mean Merle d’Aubigné hip score was 16 ± 2 at the latest followup. Radiographic analysis revealed no or radiolucent lines less than 1 mm thick located in a single acetabular zone in 43 of 47 hips (91.5%). The cumulative survival rate of the acetabular component at 72 months using revision for dislocation and/or mechanical failure as the end point was 96% ± 4% (95% confidence interval, 90%–100%).

Conclusions

A cemented dual mobility socket was able to restore hip stability in 96% of recurrent dislocating hips. However, longer-term followup is needed to ensure that dislocation and loosening rates will not increase.

Level of Evidence

Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

Copyright information

© The Association of Bone and Joint Surgeons® 2010

Authors and Affiliations

  • Moussa Hamadouche
    • 1
  • David J. Biau
    • 1
  • Denis Huten
    • 2
  • Thierry Musset
    • 3
  • François Gaucher
    • 4
  1. 1.The Clinical Orthopaedic Research Centre, Department of Reconstructive and Orthopaedic Surgery, Service A, Centre Hospitalo-Universitaire Cochin-Port RoyalUniversité René Descartes, Hôpital Cochin (AP-HP)ParisFrance
  2. 2.Department of Orthopaedic Surgery and TraumatologyUniversity HospitalRennesFrance
  3. 3.The Clinique du TerPloemeurFrance
  4. 4.The Centre Hospitalier de Pont l’AbbéPont l’AbbéFrance

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