Outcomes of Modular Dual Mobility Acetabular Components in Revision Total Hip Arthroplasty.

Journal Article (Journal Article)

BACKGROUND: There is a high rate of dislocation after revision total hip arthroplasty. This study evaluated the outcomes of 1 modular dual mobility component in revision total hip arthroplasty in patients at high risk of dislocation. METHODS: We reviewed 64 revisions performed in 27 (42%) patients for recurrent dislocation, 16 (25%) for adverse local tissue reaction, 11 (17%) for reimplantation infection, and 10 (16%) for aseptic loosening, malposition, or fracture. Complications, reoperations, and survivorship were evaluated. RESULTS: Three-year survival was 98% with failure defined as aseptic loosening and 91% with failure as cup removal for any reason. With mean follow-up time of 38 months, there were 14 complications, including 2 dislocations treated with closed reduction, 9 infections, and 12 reoperations. All complications occurred in patients revised for instability, adverse local tissue reaction, or infection. CONCLUSION: The early results of this component are promising, with good overall survival and low rate of dislocation.

Full Text

Duke Authors

Cited Authors

  • Sutter, EG; McClellan, TR; Attarian, DE; Bolognesi, MP; Lachiewicz, PF; Wellman, SS

Published Date

  • September 2017

Published In

Volume / Issue

  • 32 / 9S

Start / End Page

  • S220 - S224

PubMed ID

  • 28413142

Electronic International Standard Serial Number (EISSN)

  • 1532-8406

Digital Object Identifier (DOI)

  • 10.1016/j.arth.2017.03.035


  • eng

Conference Location

  • United States