Correction of Proximal Tibial Deformities using Ilizarov-Taylor Spatial Frame

Abstract

Background: The Taylor Spatial Frame [TSF] is a circular external fixation system that attaches through screws and uses the same principles of correction as the Ilizarov device.Aim of the work: To assess the Ilizarov-Taylor Spatial Frame in the correction of the Proximal tibial Deformities.Patients and Methods: The present study comprised a sample of 15 patients, with a total of 20 tibiae, who underwent surgical tibial osteotomy for the purpose of correcting proximal tibial deformities by using the TSF. According to the treatment goal, patients were grouped into: group 1; mechanical axis deviation [MAD] center within 5 mm medial or lateral, group 2; MAD overcorrection from 6 mm to 12 mm medial or lateral, and group 3; MAD improvement with femoral origin residual deformity.Results: For patients with a goal of a MAD central [group 1], tibial origin varus deformity with preoperative average MAD of 48 mm medial to the midline, this improved to a range of 5 mm medial and 5 mm lateral to midline. For patient with tibial and femoral origins varus deformity and with preoperative MAD 104 mm medial to midline, this improved to 2 mm medial to midline. Statistical analysis for all proximal tibial angles and MAD showed significant improvement with P value < 0.05. The most common complication encountered was pin site infection. Six patients [30%] complained from superficial wire site infection that improved with wire removal in the outpatient clinic.Conclusion: The TSF can be used to treat severe tibial abnormalities with minimal risk of complications.

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