下肢延長症例における脊柱側わんの検討

概要

論文の詳細を見る
We reviewed patients with unilateral leg shortening treated by surgical leg lengthening in order to determine the incidence of preoperative scoliosis and changes in scoliosis produced by surgical equalization of leg length. This study involved a total of 25 patients (14 boys and 11 girls). Their preoperative leg length discrepancy averaged 33.2 mm at the femoral head level and 22.1 mm at the iliac level. They underwent surgical leg lengthening at a mean age of 13.2 years, and this review was performed at a mean age of 17 years. When a Cobb angle of 10° or more was considered a sign of scoliosis, the incidence of scoliosis was 72% (18/25 patients) pre-operatively, and all of the 18 patients with scoliosis were found to have leg shortening characterized by lateral convexity. Surgical leg equalization was associated with reduction of the Cobb angle from the preoperative mean of 18.1° to a postoperative mean of 5.2°. When classified by degree of vertebral rotation, patients with no vertebral rotation and those with degree I rotation were found to have significant improvement of the Cobb angle after surgery, whereas those with degree II rotation had only poor improvement.
西日本整形・災害外科学会の論文