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Related Experiment Video

Updated: Jun 22, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report
07:45

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

Ceramic insert dislodgment after revision ceramic-on-ceramic total hip arthroplasty.

Chi Yin Tso1, Kwok Hing Chiu, Kin Wing Cheung

  • 1Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.

The Journal of Arthroplasty
|June 5, 2009
PubMed
Summary

This case report describes a young patient who experienced early dislodgment of a ceramic insert after a revision ceramic-on-ceramic hip replacement. The dislodgment was subtle and may have gone unnoticed without careful monitoring. The authors suggest that intraoperative confirmation and serial radiographic imaging are essential to detect such issues. They also propose that the implant's locking mechanism may have a design flaw. The findings highlight the importance of vigilance in postoperative care and may inform future implant design and surgical protocols.

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Area of Science:

  • Orthopedic surgery outcomes
  • Joint replacement complications
  • Biomedical materials in implant design

Background:

Hip arthroplasty is a common surgical procedure for treating severe joint degeneration. Established knowledge indicates that ceramic-on-ceramic implants are valued for their wear resistance. However, a knowledge gap exists regarding the long-term stability of these implants in revision surgeries. No prior work had resolved the risk of early dislodgment in young patients. This uncertainty drove the need to investigate unusual cases. The subtle presentation of dislodgment complicates early diagnosis. Prior research has shown that revision surgeries carry higher complication rates. This gap motivated a closer examination of implant positioning and design.

Purpose Of The Study:

The aim of this case report is to highlight an instance of early ceramic insert dislodgment following a revision total hip arthroplasty. The specific problem is the risk of undetected dislodgment in young patients. The motivation stems from the need to improve intraoperative verification protocols. The study focuses on a single patient with a ceramic-on-ceramic implant. The goal is to raise awareness about subtle clinical presentations. The authors propose that design flaws may contribute to instability. The study emphasizes the importance of serial radiographic monitoring. This approach may help prevent similar incidents in the future.

Keywords:
hip arthroplasty complicationsceramic implant stabilityrevision hip surgeryjoint replacement monitoring

Frequently Asked Questions

The main outcome is the early dislodgment of a ceramic insert in a young patient after revision hip arthroplasty.

The implant was a ceramic-on-ceramic total hip arthroplasty system.

The authors propose that dislodgment may go unnoticed without proper intraoperative checks.

Serial radiographic monitoring is recommended to detect early dislodgment and ensure implant stability.

The authors suggest a possible design flaw in the locking mechanism of the implant.

Related Experiment Videos

Last Updated: Jun 22, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report
07:45

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

Main Methods:

The study is a single-case analysis of a young patient who underwent revision hip arthroplasty. The ceramic-on-ceramic implant was used in the procedure. Intraoperative positioning was confirmed using standard surgical techniques. Postoperative imaging was performed to assess implant stability. The dislodgment was identified through radiographic review. The authors analyzed the locking mechanism for potential design issues. No additional patients were included in the study. The findings were based on clinical and radiographic data.

Main Results:

The ceramic insert dislodged shortly after the revision surgery. The patient's symptoms were initially subtle, delaying diagnosis. Radiographic imaging confirmed the dislodgment. The locking mechanism was suspected to have a design flaw. No prior dislodgment had been reported in similar cases. The authors propose that intraoperative verification is critical. Serial radiographic monitoring is recommended to detect early issues. The case highlights the importance of careful postoperative follow-up.

Conclusions:

The authors conclude that early dislodgment of ceramic inserts may occur in revision surgeries. They emphasize the need for careful intraoperative confirmation of implant position. The subtle presentation of dislodgment may delay diagnosis. The case suggests that design flaws could contribute to instability. The authors propose that serial radiographic monitoring is essential. No prior work had resolved the risk in young patients. The findings may inform future implant design and surgical protocols. The study highlights the importance of vigilance in postoperative care.

The case highlights the need for improved implant design and careful postoperative monitoring in revision surgeries.