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目的：总结２３例儿童（平均年龄１１．１岁）重度先天性脊柱侧凸采用改良哈氏棒椎弓根螺钉的治疗结果。方法：用改良哈氏棒椎弓根螺钉配合脊柱松解或／和头盆环牵引后器械固定。结果：平均随访２５．８个月。术前侧凸平均Ｃｏｂｂ角１０２．３°，悬吊位９５．１°；术后侧凸平均Ｃｏｂｂ角５７．６°，平均矫正率４１．９％，无不可逆性脊髓损伤。结论：改良哈氏棒固定减少了哈氏器械所致的脱钩、断棒等并发症，配合脊柱松解或／和头盆环牵引，减少了脊髓牵拉损伤，提高了矫正率
Objective: To summarize the results of treatment of severe congenital scoliosis in 23 children (mean age 11.1 years) with modified Hastelloy pedicle screw. Methods: The modified Hastelloy pedicle screw with spinal release or / and the first basin ring traction after the device is fixed. Results: The average follow-up was 25.8 months. The average Cobb angle was 102.3 ° and the suspension position was 95.1 °. The average Cobb angle was 57.6 ° and the average correction rate was 41.9%. There was no irreversible spinal cord injury. Conclusion: The modified Hastelloy rod fixation reduces the complications such as detachment and broken rod caused by Hirschsprung’s disease. It can reduce the spinal traction injury and improve the correction rate