Follow-up Study of Chiari's Medial Displacement Combined with Transtrochanteric Osteotomy of the Femur. Effect of Chiari's Medial Displacement Osteotomy.:Effect of Chiari's Medial Displacement Osteotomy

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We performed Chiari's medial displacement osteotomy combined with transtrochanteric osteotomy for secondary osteoarthritis of the hip with dysplasia. We discussed the clinical effect of 13 joints performed Chiari's osteotomy combined with varus osteotomy and 12 joints performed Chiari's osteotomy with valgus osteotomy in over 3 years. Results are as follows.1. Clinical estimation is good for long term except 1 case.2. Fine new acetabulum is formed in the joint after Chiari's osteotomy at less than 6mm height from the edge of the acetabulum.3. The femoral head displaced medially by an average of 7.7mm.4. The acetabular bone cysts decreased in size or disappeared in 11 joints out of 13 joints, which may have occurred clue to dispersion of dynamic load and biological effect aquired by the osteotomy.
西日本整形・災害外科学会の論文