贾惊宇;殷明;刘希娟;程细高;顾玉荣;谢荣辉;

• 1:南昌大学第二附属医院骨科
• 2:南昌大学第二附属医院儿科

摘要(Abstract)：

[目的]观察发育性髋臼发育不良患儿病变髋是否存在髋臼过度前倾,并分析髋臼前倾的原因。[方法]回顾性收集50例单髋脱位患儿和30例正常对照组髋关节的3D-CT影像学资料。病例组:男11例,女39例;年龄6～60个月,平均18个月。左侧髋脱位29例,右侧髋脱位21例。对照组:男16例,女14例;年龄7～48个月,平均20个月。所有实验对象均测量髋臼前倾角(AA)、坐骨旋转角(IA)、耻骨旋转角(PA)、耻骨相对长度(PRL)和坐骨相对距离(IRD),统计学分析对比病例组和对照组上述指标是否存在统计学差异。[结果]正常对照组左侧髋和右侧髋的AA、IA、PA、PRL和IRD差别均无统计学意义(P>0.05)。单髋脱位患儿脱位侧髋和未受累侧髋的PA差别无统计学意义(P>0.05)。脱位侧髋的PRL值小于未受累侧髋,差异有统计学意义(P<0.05)。脱位侧髋的AA、IA和IRD均大于未受累侧髋,差异有统计学意义(P<0.05)。无论是在脱位侧髋还在未受累侧髋,IA均与AA和IRD呈正相关。[结论]发育性髋臼发育不良患儿髋臼过度前倾是普遍存在的,除了髋臼前壁缺陷外,患儿脱位侧髋的坐骨外侧旋转引起坐骨外侧移位也是髋臼发生过度前倾的原因之一。

关键词(KeyWords)： 发育性髋关节脱位;髋臼前倾;影像学研究

Abstract:

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基金项目(Foundation):

作者(Author): 贾惊宇;殷明;刘希娟;程细高;顾玉荣;谢荣辉;

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参考文献(References)：

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