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目的 解决一次性延长因血管、神经等并发症难以达到延长目的 ,克服逐渐性延长治疗时间持续太长等问题之缺点。方法 在股骨下或胫骨上干骺端行“7”形截骨 ,改良Ilizarov骨外固定 ,术中延长 2～ 3cm ,剩余部分术后继续逐渐延长。结果 38例获得满意效果 ,延长的长度为 3.0～ 8.5cm(平均 6 .4cm)。步态正常者 19例。膝关节活动正常 18例。平均住院时间为 34 .5d ,远低于逐渐性延长组 5 6 .7d。结论 一次性和逐渐性相结合延长的方法因并发症少、治疗疗程明显缩短使患者受益。
Objective To solve the one-time extension of vascular, neurological and other complications is difficult to achieve the purpose of extension, to overcome the problem of prolonged treatment time is too long and so on. Methods The “7” -shaped osteotomy was performed on the metaphysis or the tibia. The Ilizarov bone was improved by 2 ~ 3 cm. The remaining part of the ilizarov continued to extend gradually. Results 38 patients achieved satisfactory results, the extension of the length of 3.0 ~ 8.5cm (average 6.4cm). 19 cases of normal gait. Normal knee activity in 18 cases. The average length of stay was 34.5 days, much lower than the gradually prolonged group 56.7 days. Conclusion One-time and progressive combination of extended method due to fewer complications, significantly shorter treatment to benefit patients.