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Arthrodesis with the Ilizarov device after failed knee arthroplasty
R David1, H Shtarker, Z Horesh
1Department of Orthopedic Surgery, Rabin Medical Center, Petah Tiqva, Israel.
Orthopedics
|February 24, 2001
Summary
The Ilizarov external fixator successfully achieved knee fusion in patients with failed total knee arthroplasty (TKA). This method offers a viable solution for complex knee revision cases, leading to solid bone fusion.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Failed total knee arthroplasty (TKA) presents significant challenges, often necessitating revision surgery.
- Infection and aseptic loosening are primary reasons for TKA failure, leading to pain and functional loss.
Purpose of the Study:
- To evaluate the efficacy of the Ilizarov external fixator for achieving knee arthrodesis in patients with failed TKA.
- To assess fusion rates, healing times, and complication profiles associated with this technique.
Main Methods:
- Retrospective analysis of 13 patients undergoing knee arthrodesis with the Ilizarov external fixator after failed TKA.
- Ilizarov external fixator application for bone fusion, followed by a plaster cast immobilization period.
Main Results:
- Solid arthrodesis was achieved in all 13 patients, with an average healing time of 27.6 weeks.
- Minor complications included pin tract infections (5 patients) and superficial wound infection (1 patient).
- Limb length discrepancy (average 3.7 cm) and one case of knee instability were managed effectively.
Conclusions:
- The Ilizarov external fixator is an effective method for knee arthrodesis following failed TKA, yielding high fusion rates.
- Surgeons experienced with the Ilizarov technique can consider it a favorable option for salvage knee surgery.