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Related Experiment Video

Updated: Jun 12, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

First Revision Total Hip Arthroplasty for Instability: 10-Year Outcomes and Risk Factors Associated With Rerevision.

Liam Z Yapp1, Lisa C Howard2, Nelson V Greidanus2

  • 1Division of Adult Reconstruction & Oncology, Department of Orthopaedics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada; Department of Trauma & Orthopaedic Surgery, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom.

The Journal of Arthroplasty
|June 10, 2026
PubMed
Summary

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The Journal of arthroplasty·2026

First revision total hip arthroplasty for instability has a 10-year survival rate of 82.2%. Dual mobility components and large femoral heads show good survivorship, while factors like younger age and BMI increase revision risk.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Clinical Outcomes Research

Background:

  • Recurrent instability is a primary cause of failure in revision total hip arthroplasty (rTHA).
  • Assessing the long-term success of the initial rTHA for instability is crucial for patient management.
  • Identifying predictive factors for failure can guide surgical decision-making.

Purpose of the Study:

  • To evaluate the 10-year survivorship of the first rTHA performed for hip instability.
  • To identify patient-specific and implant-related factors associated with re-revision due to instability or other causes.

Main Methods:

  • Retrospective analysis of 284 first rTHA cases for instability (2000-2022).
  • Exclusion of re-revisions and oncology cases.
Keywords:
dislocationinstabilityrevisionrisk factorssurvivaltotal hip arthroplasty

Related Experiment Videos

Last Updated: Jun 12, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

  • Kaplan-Meier survival analysis and multivariable Cox regression for identifying risk factors.

    • Main Results:

    • 10-year instability-free survival was 82.2%; all-cause re-revision survival was 73.6%.
    • Dual mobility (DM) components demonstrated superior instability-free survival compared to standard bearings and constrained liners.
    • Younger age, higher BMI, abductor deficiency, and constrained liners were linked to increased all-cause re-revision risk.

    Conclusions:

    • Nearly 20% of patients experience recurrent instability after first rTHA for instability, with 30% undergoing further revision within 10 years.
    • DM components and large femoral heads (≥36mm) offer favorable 10-year survivorship.
    • Patient demographics and specific implant choices significantly influence the risk of re-revision.