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Mid-term Results of Distal Tibial Fractures Treated with Ilizarov External Fixator
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Suk Kyu Choo, Kyung Wook Nha, Hyoung Keun Oh, Dong Bong Lee
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J Korean Fract Soc 2007;20(4):323-329. Published online October 31, 2007
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DOI: https://doi.org/10.12671/jkfs.2007.20.4.323
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Abstract
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We analyed the mid-term results of distal tibial fractures treated with ilizarov external fixator and functional results according to delayed metaphyseal healing and fracture pattern. MATERIALS AND METHODS We reviewed 23 distal tibial fractures treated with ilizarov external fixator followed for minimum two year (mean 53 months). There were 10 A fractures, 2 B fractures, and 11 C fractures according to the AO classification. Radiographically, we analyzed bony union time according to translation of diaphyseal-metaphyseal fracture line and assessed arthritic score. Functional results was assessed with AOFAS score and analyzed according to delayed healing and fracture pattern. RESULTS Average union time was 21 weeks. Delayed healing of metaphyseal fracture line was associated translational displacement >3 mm (p=0.01). AOFAS scrore was averaged to 68 and there was no stastical significance between delayed metaphyseal healing and functional results (p=0.31). But, low AOFAS score and arthritis score was related to fracture type (p=0.02). In 11 C fractures, radiographic arthritic change were developed in 6 cases (55%). CONCLUSION The main prognosis of distal tibial fractures depends on articular involvement and to shorten the external fixation time, metaphyseal fracture should be reduced within 3mm.
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