The Sofield-Millar operation in osteogenesis imperfectaA MODIFIED TECHNIQUEY. H. Li, MCh Orth, FRCS Ed, Consultant and Honorary Clinical Associate Professor; W. Chow, FRCS Ed, Medical Officer; and J. C. Y. Leong, OBE , FRCS, FRCS Ed, FRACS, Professor and HeadDepartment of Orthopaedics, Duchess of Kent Childrens Hospital, 12 Sandy Bay Road, Poksulam, Hong Kong. Correspondence should be sent to Dr Y. H. Li. We have reviewed the results of the Sofield-Millar operation on 58 long bones in ten patients. If more than three osteotomies were undertaken the time to union of the bone was significantly prolonged (p< 0.001) with significant thinning of the bone (p< 0.02). We have used a modified technique in order to minimise surgical trauma and devascularisation of the bone. The rod is introduced under the control of an image-intensifier. Small surgical exposures are made only at the sites of corrective wedge osteotomies. The number of osteotomies is kept to the minimum.
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