Related Experiment Video
Updated: Jun 20, 2026
10:35
Novel Diagnostics in Revision Arthroplasty: Implant Sonication and Multiplex Polymerase Chain Reaction
Published on: December 3, 2017
[Comparison of different cup revision systems]
1Abteilung für Orthopädie und orthopädische Chirurgie, Klinikum Wels-Grieskirchen, Grieskirchnerstrasse 42, A-4600 Wels, Osterreich. Klemens.trieb@klinikum-wegr.at
Der Orthopade
|August 21, 2009
Summary
Aseptic loosening of hip cups causes bone defects, but revision surgery aims for stable fixation. Strategies vary by defect size, from larger implants to bone grafts and specialized devices.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Aseptic loosening of hip cups leads to migration and bone defects.
- Restoring hip center and achieving stable fixation are key goals in revision arthroplasty.
Purpose of the Study:
- To outline strategies for hip cup revision arthroplasty in the presence of bone defects.
- To correlate defect size with appropriate surgical techniques for stable fixation.
Main Methods:
- Classification of bone defects using established scoring systems.
- Application of various surgical techniques based on defect classification.
- Utilizing cemented/cement-free cups, bone grafts, specialized implants (oval cups, reinforcement rings), and modular systems.
Main Results:
- Localized defects can be managed with larger implants.
- Extensive defects may require bone grafting or specialized implants like oval cups or reinforcement rings.
- Severe defects or pelvic discontinuity necessitate modular systems or socket cups.
Conclusions:
- Successful hip cup revision arthroplasty depends on accurate defect assessment and tailored surgical strategies.
- A range of techniques, from implant selection to bone reconstruction, are available to achieve stable fixation and restore hip biomechanics.