矩形髓内钉内固定的相关X线解剖学研究  

Related X-ray Anatomical Study of Rectangle shaped Intramedullary Nailing on Tibia

作　　者：王新伟[1] 吴岳嵩[1] 康一凡[1] 朱文江[2] 

机构地区：[1]上海长海医院骨科,200433 [2]上海长海医院影像中心

出　　处：《中国矫形外科杂志》1999年第10期738-740,共3页Orthopedic Journal of China

摘　　要：目的:通过胫骨髓腔的相关解剖学研究,分析临床矩形髓内钉交叉的原因,并提出预防措施。方法:55例胫骨X线正侧位片分为3组,对照组:正常胫骨正侧位片28例,测量胫骨上、下端及狭部的髓腔内径以及髓腔中性轴上端与胫骨前嵴之间的距离,作为矩钉插钉窗口与胫骨前嵴距离(窗-嵴距)的理论值;未交叉组:矩钉固定后未交叉的X线片15例,交叉组:矩钉固定后交叉的X线片12例,分别测量窗-嵴距,并进行统计学处理。结果:胫骨髓腔中轴在上端矢状位上位于其前部1/3处;矩形髓内钉固定后交叉组窗-嵴距较对照组及正常组小(P<005),两根矩钉窗-嵴距之差较正常组大(P<005)。结论:两根矩钉的窗口不在同一平面上是矩形髓内钉固定交叉的主要原因之一。Objective:Anatomical study on tibial X ray was done to determine the relationship of Rectangle shaped intramedullary nail (RIN) entry and the tibial anterior Margo,thus provide an anatomical data for preventing nailing crossing.Methods:Antero posterior and lateral X rays of 55 tibias were taken and divided into three groups:control,normal and crossing.The distance between the axis of tibial intramedullay canal to proximal anterior tibial margo,which standard for the theoretical distance between nail entry and anterior tibial Margo(MN) in control group,as well as the distance of MN in normal group and crossing group were measured.All the data were compared statistically.Results:The distance between nail entry to tibial anterior Margo(MN) in crossing group were significantly decreased than in control and normal groups ( P <0 05),mean while the margin of MN of two entries of RIN in crossing group were significantly increased than in normal group( P <0 05).Conclusion:One of the main reason of the RIN crossing is the different level corresponding to the anterior tribal Margo of two entries.

关 键 词：矩形髓内钉 胫骨 髓腔 X线解剖学 

分 类 号：R687.33[医药卫生—骨科学]