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Simultaneous femoral and tibial lengthening for severe limb length discrepancy in fibular hemimelia

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Publisher

BMC
DOI: 10.1186/s13018-023-04229-y

Keywords

Fibular Hemimelia; Limb lengthening; Ilizarov

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This study evaluated the outcome of simultaneous femoral and tibial lengthening using the Ilizarov frame. The results showed that planned limb lengthening can be achieved in one session, with shorter treatment time and reduced complications.
BackgroundFibular Hemimelia (FH) is the most common longitudinal limb deficiency. Significant limb length discrepancy (LLD) will necessitate long treatment times and multiple settings to compensate for LLD when associated with femoral shortening. This study evaluates the outcome of simultaneous femoral and tibial lengthening using the Ilizarov frame.MethodsThis retrospective study included the cases of 12 children with severe limb length discrepancy caused by combined FH and ipsilateral femoral shortening from May 2015 to August 2022. The total LLD ranged from 7 to 14.5 cm. All patients underwent single-session femoral and tibial lengthening using the Ilizarov ring external fixator technique. Additional procedures were performed in the same setting, including Achilles tendon lengthening, fibular anlage excision, peroneal tendons lengthening, and iliotibial band release. Follow-up ranged from 2 to 4 years.ResultsThe planned limb lengthening was achieved in ten cases (83%). No cases of joint subluxation or dislocation were encountered. No neurovascular injury has occurred during the treatment course. In all cases, the bone healing index was better on the femoral side than on the tibia. Poor regeneration and deformity of the tibia occurred in two cases (16.6%).ConclusionSimultaneous femoral and tibial lengthening using the Ilizarov fixator is a relatively safe procedure with the result of correction of total LLD in one session in a shorter time and less morbidity.

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