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KMID : 0361620060410050891
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Journal of the Korean Orthopaedic Association
2006 Volume.41 No. 5 p.891 ~ p.898
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Outcome Results of Ilizarov Osteosynthesis for Congenital Pseudarthrosis of the Tibia -An Interim Report-
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Lee Ki-Seok
Lee Sang-Min
Cho Tae-Joon
Choi In-Ho
Yoo Won-Jun
Chung Chin-Youb
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Abstract
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Purpose: This study evaluated the efficacy of the Ilizarov technique for the treatment of patients with congenital pseudoarthrosis of the tibia (CPT).
Materials and Methods: Twenty-two patients with CPT, who underwent osteosynthesis using the Ilizarov technique and were followed-up for more than 3 years, were enrolled in this study. The clinical and radiological data were reviewed to evaluate the outcomes of the Ilizarov technique.
Results: The initial osteosynthesis was carried out successfully with the Ilizarov method at average age of 4.6 years. Twenty refractures occurred in 12 patients, who were also treated successfully using the Ilizarov method. Tibial lengthening (27 cases), medial tibial hemiepiphysiodesis (23 cases), distal tibiofibular synostosis (17 cases) were combined with a total of 42 Ilizarov osteosyntheses. After an average 8.1 years follow-up, the mean limb length discrepancy was 1.6 cm, and average anterior apex and valgus angulation of the tibial shaft were 6.3degrees and 7.3degrees, respectively. The mean ankle alignment was valgus 1.9, and the mean range of motion of the ankle joint was 21degrees dorsiflexion and 33degrees plantar flexion.
Conclusion: The Ilizarov technique combined with tibial lengthening, distal tibiofibular synostosis and/or medial tibial hemiepiphysiodesis is an effective procedure that can achieve bony union as well as a functional limb.
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KEYWORD
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Tibia, Congenital pseudoarthrosis, Ilizarov technique
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