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Mid-term walking ability after Charcot foot reconstruction using the Ilizarov ring fixator
Stephan H Wirth1, Arnd F Viehöfer1, Timo Tondelli1
1Division of Foot and Ankle Surgery, Department of Orthopaedic Surgery, Balgrist University Hospital, Forchstrasse 340, 8008, Zurich, Switzerland.
External fixation using an Ilizarov ring fixator effectively reconstructs the foot in Charcot arthropathy, achieving high limb salvage and walking ability rates. Most patients regained ambulation, regardless of fusion or osteomyelitis presence.
Area of Science:
- Orthopedics
- Podiatry
- Surgical Innovation
Background:
- Charcot arthropathy often requires surgical intervention after failed conservative treatments.
- Ilizarov external fixation allows for one-stage deformity correction and osteomyelitis resection.
Purpose of the Study:
- To evaluate the efficacy of Ilizarov ring fixator external fixation for Charcot arthropathy.
- To determine if this method reliably restores walking ability.
Main Methods:
- Retrospective analysis of 29 patients treated with Ilizarov ring fixators.
- Radiographic assessment of fusion and statistical analysis of factors influencing walking ability.
Main Results:
- 93% limb salvage rate achieved.
- 26 of 27 salvaged limbs maintained walking ability (23 without assistive devices).
- Walking ability was not dependent on radiologic fusion or initial osteomyelitis.
Conclusions:
- Ilizarov ring fixator reconstruction is effective for limb salvage in Charcot arthropathy.
- High rates of ambulation are achievable, irrespective of fusion or osteomyelitis.
- This technique supports deformity correction and limb salvage in challenging cases.
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