改良弹性髓内钉技术治疗儿童股骨转子下骨折疗效分析

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Abstract Objective To investigate the clinical effect of modified titanium elastic intramedullary nail in the treatment of subtrochanteric fracture of femur in children.Methods We retrospectively analyze the patients of the First Affiliated Hospital of Hainan Medical College from June 2013 to June 2018 using modified titanium elastic intramedullary nailing technique (outer nail head to the trochanteric protrusion，medial nail head to the femoral neck).Clinical data of 18 children with subtrochanteric fractures，including 11 males and 7 females.The patients aged 4~14 years old with a mean age of 7.6.Results All the 18 children were followed up for 10 ~ 34 months (mean 18 months).All the fractures healed，and there was no infection of incision，fracture of elastic intramedullary nail，nonunion of fracture，early closure of epiphysis and necrosis of femoral head.At the last follow-up，Flynn criteria were used to evaluate the function of the patients.14 cases were excellent，4 cases were good，and the excellent and good rate was 100%.Conclusion The modified elastic intramedullary nail is a safe and effective method for the treatment of subtrochanteric fracture in children.It is beneficial to early recovery of activity，shorten healing time and reduce complications.

Key words： subtrochanteric fracture elastic intramedullary nail children internal fixation

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