【摘要】 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56.7d。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。
A modified Ilizarov method to treat shortening deformity of lower extremity in children
YANG Shuhua,DU Jingyuan
（Department of Orthopaedics, Union Hospital of Tongji Medical University,Wuhan 430022，China）
【Abstract】 Objective To search for method to prevent the blood-vessel and nerve complications after limb lengthening and shorten the duration of hospitalization.Methods From 1991 to 1997,38 cases (aged 8-14years) with lower limb shortening deformity underwent a modified Ilizarov method by"7"shape osteotomy at the epiphysis of lower segment of femur or the upper part of tibia.Results The limb of all cases was lengthened 3～8.5cm with an average of 6.4cm( 2～3cm lengthening at operation) . The mean hospitalization was 34.5 days .The follow-up results showed that 19 cases got normal gait and 18 had stable knee joint movements.Conclusions The modified Ilizarov method has the adventages of short period of hospitalization and less postoperative complications. It is advisable to treat lower limb shortening deformity in children.
【Key words】 Phocomelia; Lengthening,bone; Fixator, external
