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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_5 | Pages 5 - 5
1 May 2015
Peek A Timms A Wartemberg G Chin K Calder P Goodier D
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Several low energy osteotomy techniques are described in the literature but there is limited evidence comparing healing indices. We present a retrospective review of two techniques to evaluate an optimum method.

Method:

Two cohorts of patients underwent osteotomy of the tibia using a Gigli saw (n=15) or DeBastiani corticotomy (n=12) technique. Indications for surgery included limb lengthening and bone transport for defect reconstruction with a minimal distraction of 2 cm. The patient radiographs were anonymised and the regenerate assessed by the two senior authors who were blinded to the osteotomy type. Bone quality was recorded along the anterior, posterior, medial and lateral cortices, graded 1–5 from absent to full consolidation over time in frame. The time to 3 cortices healed/regenerate length was calculated. The time to consolidation of the anterior, posterior, medial and lateral cortices were compared.

Results:

The mean 3 cortices index in the Gigli group was 2.0 months/cm and in the DeBastiani group 1.8 months/cm, This was not a significant difference. In both groups anterior bone formation was slower, and in 50% and 33% of the Gigli and DeBastiani groups respectively the anterior cortex did not fully heal by the time of frame removal.