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Correction of complex foot deformities using the V-osteotomy and the Ilizarov technique.

ABSTRACT: Complex foot deformity is a multiplanar deformity with or without foot shortening. It also includes deformed feet with poor soft-tissue coverage, relapsed or neglected cases, and those with acompanying problems such as leg-length discrepancy, lower leg deformity, osteomyelitis and nonunions. Traditionally, correction of these deformities can be achieved by extensive soft tissue releases, osteotomies or arthrodesis with or without internal fixation. This usually involves excision of large appropriate bony wedges and has many disadvantages, including neurovascular injury, soft tissue problems and a shortened foot. We present our experience with a group of severe deformities of the foot that we managed using the V-osteotomy combined with the Ilizarov technique. We present our algorithm of management of complex foot and ankle deformities, together with our prerequisites for patient selection. A detailed description of the operative technique, postoperative care and possible complications is also presented. The combination of the Ilizarov technique and the V-osteotomy offers versatility in foot deformity correction, enabling correction of individual components of the deformity at rates that may be tailored to achieve accurate three-dimensional control.

SUBMITTER: Shalaby H

PROVIDER: S-EPMC2321725 | biostudies-other | 2007 Apr

REPOSITORIES: biostudies-other

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Project description:IntroductionDeformities of the lower extremities can be congenital or acquired. Various surgical treatments have been employed for such disorders including osteotomy followed by either external fixation, internal fixation or external fixator assisted internal fixation. The aim of surgery is correction of deformity and restoration of mechanical axis and joint line. External fixator assisted internal fixation with intramedullary (IM) nail insertion is considered the gold standard, however, it is less commonly practiced as expertise required are usually not available at most centers. This study was conducted to assess the radiological and functional outcomes after fixator assisted IM nailing for correction of lower limbs deformity.MethodsIt was a retrospective study at a tertiary care hospital. All cases of lower limb deformity whose correction was done with fixator assisted IM nailing from 2010 till 2017 were analyzed. Pre Op x-rays and post op x rays were analyzed for Mechanical Axis Deviation (MAD), anatomical Lateral Distal Femoral Angle (aLDFA), mechanical Lateral Distal Femoral Angle (mLDFA) and Medial Proximal Tibial Angle (MPTA), post-operative activity and functional status of the patients. Data was analyzed using SPSS.ResultsThirteen patients were included in the study. Fixator assisted IM nailing was performed on 29 long bones of these patients including 16 femur and 13 tibial deformities. Pre Op and Post Op comparison was done for MAD, aLDFA, mLDFA, MPTA. Pre op mean MAD was 38.87 ± 25.58 post op mean MAD 17.54 ± 12.25 mm. Only 2 of our patients developed knee stiffness for which manipulation under anesthesia was done. One of our patients developed weakness in toe extension, which recovered after 6 months. On follow up evaluation patients had normal range of motion and no functional limitation.ConclusionFixator assisted IM nailing for deformity correction is a better option, because it has advantages of both external fixator and internal fixator. Knee stiffness associated with external fixator can be prevented. It is more convenient for patient.

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Correction of complex foot deformities using the V-osteotomy and the Ilizarov technique.

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