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ORIGINAL ARTICLE
Year : 2017  |  Volume : 52  |  Issue : 2  |  Page : 109-114

Evaluation of combined high tibial osteotomy and ‎ilizarov external fixator in the treatment of late-onset tibia ‎var


Department of Orthopedics Surgery, Benha University, Benha, Egypt

Correspondence Address:
Mohammed A Meselhy
Orthopedic Department, Benha University, Kafer el gazar, Banha, Qalyubia 13511, Benha University
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/eoj.eoj_26_17

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Purpose The purpose of this study was to evaluate the results of combined high tibial osteotomy in combination with gradual translation by ilizarov external fixator in the treatment of late-onset tibia vara. Patients and methods A total of 23 patients with a diagnosis of late-onset tibia vara, 16 (69.6%) male and seven (30.4%) female, were included in this study; in 14 (60.9%) patients the deformity was on the right side, whereas in nine (39.1%) patients the deformity was on the left side. The etiology was Blount’s disease in all patients. The mean age of the patients was 23 years, ranging from 13 to 35 years, and the mean preoperative mechanical axis deviation was 84.39 mm. The mean preoperative medial posterior tibial angle was 61.17°, whereas the mean preoperative proximal posterior tibial angle was 63.09°. Results The mean duration of external fixator application was 124.6 days, ranging from 90 to 170 days; the mean postoperative medial proximal tibial angle was 86.22°, with a P value of 0.001; the mean postoperative proximal posterior tibial angle was 79.74°, with a P value of 0.001; and the mean postoperative mechanical axis deviation was 10.7 mm, with a P value of 0.001. Residual deformity was present in three (13%) cases, ranging from 5 to 18°; no neurovascular complication was seen in both early and late postoperative periods; and limb length discrepancy was present in five (21.7%) cases, which was between 1.5 and 2.7 cm. Conclusion High tibial osteotomy in combination with gradual correction by ilizarov is safe and effective in the management of late-onset tibia vara.


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