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Exchange arthroplasty for infected knee replacements. A new two-stage method
I R Scott1, I Stockley, C J Getty
1Northern General Hospital, Sheffield, England.
The Journal of Bone and Joint Surgery. British Volume
|January 1, 1993
Summary
This study shows that knee prosthesis exchange surgery effectively controls infection and restores function. A modified two-stage approach is recommended for managing infected knee arthroplasties, offering successful outcomes.
Area of Science:
- Orthopedic Surgery
- Infectious Disease Management
Background:
- Infected knee prostheses pose a significant challenge in orthopedic surgery.
- Effective management strategies are crucial for infection control and functional restoration.
Purpose of the Study:
- To evaluate the efficacy of one-stage and two-stage exchange arthroplasties for infected knee prostheses.
- To assess the success rate in controlling infection and restoring patient function.
Main Methods:
- A series of 17 exchange arthroplasties were performed, comprising ten one-stage and seven two-stage procedures.
- Two-stage exchanges utilized a prosthesis spacer and antibiotic-loaded cement beads for high local antibiotic concentrations.
- Recurrent infections were managed with further exchange operations.
Main Results:
- The exchange arthroplasty method was successful in controlling infection and restoring function in most patients.
- Three one-stage procedures experienced recurrent infections but were successfully retreated.
- All patients achieved satisfactory function with no serious complications reported.
Conclusions:
- Exchange arthroplasty is a viable option for managing infected knee prostheses.
- The modified two-stage exchange technique demonstrates high success rates for infection control and functional recovery.
- This approach is recommended for the management of infected knee arthroplasties.