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[目的]探讨外固定支架行骨痂延长治疗儿童股骨化脓性骨髓炎后骨缺损及肢体短缩的疗效。[方法]采用外固定支架对27例儿童(平均12.8岁)股骨化脓性骨髓炎后骨缺损及肢体短缩的患者行骨痂延长术,术前患肢平均骨缺损长度1.2cm(1.0～1.7cm),患肢平均短缩4.3cm(3.0～6.8cm)。[结果]随访30～112个月(平均86个月),骨不连接处全部愈合,骨延长区骨生长满意。骨延长4.0～8.0cm,平均6.1cm,平均外固定指数39.2d/cm(36.8～48.4d/cm)。依据Paley的评定标准,骨愈合情况评定:优21例,良6例;功能评定:优19例,良8例。[结论]外固定支架行骨痂延长是治疗儿童股骨化脓性骨髓炎后骨缺损及肢体短缩的可靠方法。
[Objective] To investigate the curative effect of external fixation stent with callus elongation on bone defects and limb shortening in children with femoral suppurative osteomyelitis. [Methods] Twenty-two children (mean 12.8 years old) with bone defect and limb shortening after femoral suppurative osteomyelitis were treated with external fixation with callus elongation. The average length of the defect before operation was 1.2cm (1.0-1.7 cm), limb shortened average 4.3cm (3.0 ~ 6.8cm). [Results] All cases were followed up for 30 to 112 months (average 86 months), all the nonunion of the bone was healed, and bone growth in the bone extension area was satisfactory. Bone elongation 4.0 ~ 8.0cm, an average of 6.1cm, the average external fixation index 39.2d / cm (36.8 ~ 48.4d / cm). According to Paley’s evaluation criteria, bone healing assessment: excellent in 21 cases, good in 6 cases; functional assessment: excellent in 19 cases, good in 8 cases. [Conclusion] The extension of callus by external fixator is a reliable method for the treatment of bone defects and limb shortening in children with femoral suppurative osteomyelitis.