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LIMB RECONSTRUCTION IN OLLIER’S DYSPLASIA



Abstract

The aim was to study the use of limb reconstruction techniques in the management of Ollier’s Dysplasia over a period of 25 years.

This was a retrospective review of case records and radiographs of patients who had lower limb reconstruction for deformity and limb length discrepancy. There were a total of 9 patients of whom 7 had reached maturity and four of these were still under follow up.

The major aims of surgery were to correct lower limb length discrepancy and deformity. A total of twenty segments were operated upon. These were 11 femurs and 9 tibiae. In some segments repeated surgery was required. 41 index and 54 secondary procedures were necessary giving an average of 10.5 procedures per patient. The most common problems were difficulty in fixation in abnormal bone, premature consolidation reflecting the rich osteogenic potential and growth related recurrence of deformities and discrepancy. The mean length gained was 13.8 cms per patient. Healing of regenerate occurred with radiologically normal appearance even in chondro-dysplastic areas. All patients who had completed treatment had a satisfactory mechanical axis and the mean length discrepancy was 1.7 cms.

Patients with Ollier’s dysplasia appear to respond well to limb reconstructive surgery. It is possible to correct severe limb length discrepancies and angular deformities. Surgeons should be aware of the possibility of premature healing and should consider faster lengthening rates of up to 1.5 mms per day. Distraction should begin early by day 5 or less. Immature patients should be warned about the possibility of recurrence of deformity and possible need for repeated surgery.

The abstracts were prepared by Mr Richard Buxton. Correspondence should be addressed to him at Bankton Cottage, 21 Bankton Park, Kingskettle, Cupar, Fife KY15 7PY, United Kingdom