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Related Experiment Video

Updated: Jul 5, 2026

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

Isolated acetabular liner exchange.

Adolph V Lombardi1, Keith R Berend

  • 1The Ohio State University, Columbus, OH, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|May 8, 2008
PubMed
Summary
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Total hip arthroplasty using conventional polyethylene articulations leads to wear and osteolysis. Isolated liner exchange is a common intervention to prevent component loosening and mechanical failure, though treatment remains controversial.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Implant Wear Analysis

Background:

  • Conventional polyethylene bearings in total hip arthroplasty (THA) exhibit wear, leading to acetabular osteolysis and limited implant longevity.
  • Acetabular osteolysis, a consequence of polyethylene wear, can compromise the fixation of acetabular components in THA.
  • Asymptomatic polyethylene wear with or without osteolysis presents a controversial clinical management scenario.

Purpose of the Study:

  • To evaluate the role and outcomes of isolated liner exchange in managing polyethylene wear in THA.
  • To discuss treatment controversies surrounding polyethylene wear, including observation, liner exchange, and revision arthroplasty.
  • To explore debated aspects of acetabular component management, such as bone grafting and modular mechanism reuse.

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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

Main Methods:

  • Review of clinical interventions for polyethylene wear in total hip arthroplasty.
  • Analysis of treatment options including observation, isolated liner exchange, and revision procedures.
  • Discussion of surgical considerations for well-fixed acetabular components with polyethylene wear.

Main Results:

  • Isolated liner exchange is a recognized intervention for well-fixed acetabular components experiencing polyethylene wear.
  • Polyethylene wear can occur asymptomatically, complicating treatment decisions.
  • Debates persist regarding optimal management strategies, including bone grafting and component revision.

Conclusions:

  • Isolated liner exchange aims to mitigate risks associated with polyethylene wear, such as osteolysis and mechanical failure.
  • Management of asymptomatic polyethylene wear in THA remains a subject of ongoing clinical debate.
  • Further research is needed to clarify optimal surgical strategies for polyethylene wear and associated bone loss.