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Updated: Jul 31, 2025
A Novel Method to Determine the Longitudinal Antibacterial Activity of Drug-Eluting Materials
Published on: March 3, 2023
Selecting a high-dose antibiotic-laden cement knee spacer
Ian Hollyer1, David Ivanov1, Shanthi Kappagoda2
1Department of Orthopaedic Surgery, Stanford University, Redwood City, California, USA.
Prosthetic joint infection after total knee replacement requires tailored treatment. This article details antibiotic spacer options and proposes an algorithm for managing these challenging infections.
Area of Science:
- Orthopedic Surgery
- Infectious Diseases
Background:
- Prosthetic joint infection (PJI) is a significant complication following total knee arthroplasty (TKA).
- Managing PJI requires careful consideration of patient factors and infection timeline.
Purpose of the Study:
- To review treatment options for PJI after TKA.
- To present a treatment algorithm for PJI management.
Main Methods:
- Discussion of static and dynamic antibiotic spacers.
- Review of spacer customization (antibiotic choice, cement, design).
Main Results:
- Static spacers suit less healthy patients; mobile spacers benefit younger, healthier individuals.
- Various spacer types offer distinct advantages and drawbacks.
Conclusions:
- Optimizing PJI treatment necessitates familiarity with available antibiotic spacer modalities.
- A proposed algorithm aids surgeons in PJI treatment decisions.
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