不同内固定对肱骨干骨折愈合影响的影像学比较研究  

Effects of Different Internal Fixation Treating Humerus Fractures:A Radiographic Comparison Study

作　　者：李格当[1] 张春才[2] 康庆林[2] 许硕贵[2] 王家林[2] 

机构地区：[1]中国人民武装警察部队内蒙古总队医院外二科,内蒙古呼和浩特010031 [2]中国人民解放军第二军医大学长海医院骨科,上海200433

出　　处：《内蒙古医学杂志》2003年第3期189-192,F003,共5页Inner Mongolia Medical Journal

摘　　要：目的 :从影像学角度对天鹅记忆接骨器 (SMC)、动力加压钢板 (DCP) ,交锁髓内钉 (LIN)治疗肱骨干骨折的疗效进行前瞻性对比研究。方法 :1998年 2月～ 2 0 0 2年 3月 ,12 5例肱骨干骨折分别接受了上述 3种内固定治疗 ,定期进行X线检查 ,观察骨折愈合情况 ,取出内固定后进行CT扫描。结果 :DCP组骨痂出现较晚、量较少 ,骨折线消失最晚 ,骨折区域灰度密度积分及CT值较低 ;LIN组骨痂出现最早、量较多 ,骨折线消失较晚 ,骨折区灰度密度积分较高 ,骨折区域CT值较低 ;SMC组基本无骨痂出现 ,骨折线消失最早 ,并由板状骨直接替代 ,骨折区域灰度密度积分及CT值较高。结论 :与DCP和LIN相比 ,SMC具有力学性能和几何构型上的优势 ,在促进骨折愈合的速度。Objective:To prospectively compare the radiographic effects of Swan-like memory connector(SMC) versus dynamic compression plate(DCP) and locked intramedullary nail(LIN) treating humerus fracture.Methods:From February 1998 to March 2002,125 cases of humerus fracture in our department accepted three kinds of internal fixation,which included SMC,DCP and LIN.The X-ray were regularly taken in all patients during fracture healing.After internal fixation removal.The CT scan was taken in humerus.Results:The callus formation time in LIN group was the shortest,the callus amount in LIN group was largest.Neither callus nor osteoporosis was found in SMC group.The fracture line vanished fast in SMC group and latest in DCP group.The bone graydegree density(BGD) and CT value in SMC group were higher than that in DCP and LIN group.Conclusion:Comparing with LIN and DCP,SMC has plenty of advantage in material and geometrical conformation,these characteristics of SMC is beneficial to fracture healing radiographically.

关 键 词：内固定 肱骨干骨折 愈合 影响 影像学比较研究 

分 类 号：R683.41[医药卫生—骨科学] R814.41[医药卫生—外科学]