Related Experiment Video
Updated: Jun 28, 2026
10:35
Novel Diagnostics in Revision Arthroplasty: Implant Sonication and Multiplex Polymerase Chain Reaction
Published on: December 3, 2017
Implant retention in infected joint replacements: a surgeon's perspective.
1Department of Orthopaedic Surgery, Dunedin School of Medicine, University of Otago, Dunedin Hospital, Dunedin - New Zealand. jean-claude.theis@stonebow.otago.ac.nz
The International Journal of Artificial Organs
|October 17, 2008
Summary
Surgical debridement with antibiotics offers a chance to save infected joint replacements, avoiding major surgery. However, outcomes vary, with a 30% chance of implant retention, successful revision, or no implant at treatment end.
Area of Science:
- Orthopedic Surgery
- Infectious Diseases
- Biomaterials Science
Background:
- No standard treatment exists for infected joint replacements, leading to varied and potentially problematic surgical options.
- Surgical debridement plus antibiotics is a less invasive alternative to revision surgery, aiming for infection eradication and implant retention.
- Revision surgery carries significant risks, especially for elderly patients.
Purpose of the Study:
- To evaluate the efficacy of surgical debridement combined with antibiotic therapy for infected joint replacements.
- To analyze prosthesis retention rates and functional outcomes in patients with hip and knee periprosthetic infections.
- To identify common pathogens and compare outcomes between acute and late infections.
Main Methods:
- Review of 73 patients (53 hips, 20 knees) with periprosthetic joint infections.
- Analysis of treatment outcomes, including primary treatment success, final outcome, bacteriology, and prosthesis retention.
- Categorization of infections into acute and late stages to compare implant retention rates.
Main Results:
- 69% of patients were managed with primary surgical debridement and antibiotics.
- 34% of patients ultimately lost their implants.
- Implant retention was significantly higher in acute infections (85-100%) compared to late infections (20-50%).
- Staphylococcus and Streptococcus were the most common causative pathogens (76%).
- Patients had a similar probability (30%) of retaining the original prosthesis, successful revision, or having no implants at the end of treatment.
Conclusions:
- Surgical debridement with antibiotics is a viable option for infected joint replacements, potentially preserving implants and function.
- Treatment outcomes are influenced by the timing of infection, with better results for acute cases.
- Infected joint replacement management requires careful consideration of pathogen, infection timing, and patient factors for optimal results.
