Treatment of Congenital Leg Length Discrepancies in Children Using an Ilizarov External Fixator: A Comparative Study

Bojan Bukva, Goran Vrgoč, Radivoj Brdar, Siniša Dučić, Gordan Gulan, Hari Jurdana


The purpose of this study was to evaluate the influence of intramedullary (IM) alignment used in combination with an Ilizarov external fixation on the healing index (HI) and lengthening index (LI) in the treatment of congenital leg length discrepancies (LLD). This study included 35 patients aged from 3.5 to 19 (average age 10.73) who underwent the egalisation procedure using an Ilizarov external fixator. We compared the duration of the external fixator application, LLD, HI and LI between two groups of children: children in Group I underwent limb lengthening by the conventional llizarov technique using an Ilizarov external fixator alone, and children in Group II underwent a combination of Ilizarov technique and intramedullary alignment with two Kirschner wires, introduced through two mini-incisions. We found significant differences between the two groups of patients for duration of external fixator application and HI. Patients with congenital LLD treated with combined method of treatment had benefit from intramedullary alignment due to its better outcome.


leg length discrepancy, Ilizarov external fixator, children

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