目的 测量分析内蒙古地区蒙古族人群髋臼解剖学参数，为髋臼假体设计及临床手术置入提供参考。 方法 随机选取内蒙古医科大学附属医院及乌兰察布市第二人民医院进行盆腔CT检查的患者105例。利用Mimics21.0三维重建并测量髋臼的外展角、前倾角、上下径、前后径及深，对结果进行统计学分析。 结果 男性髋臼外展角、前倾角、上下径、前后径及深分别为（53.54±6.74）°、（16.16±4.93）°、（62.35±3.89）mm、（57.61±3.83）mm及（29.19±3.69）mm，女性髋臼外展角、前倾角、上下径、前后径及深分别为（51.81±5.14）°、（17.45±4.59）°、（57.98±3.24）mm、（55.18±5.45）mm及（26.94±3.94）mm；同性别不同侧髋臼形态参数无统计学差异，不同性别髋臼上下径、前后径及深存在统计学差异，男性大于女性，而髋臼外展角及前倾角在不同性别差异无统计学意义；蒙古族人群髋臼形态参数与国内外地区存在差异。 结论 内蒙古地区蒙古族人群髋臼形态与国内外其他地区存在差异，髋臼外展角、髋臼上下径、前后径及深大于我国南方人群，髋臼前倾角小于南方人群。假体设计及术中假体放置需要考虑不同民族、地区的差异，术前应做好髋臼假体规划，避免术中盲目性及随机性。
Abstract
Objective To measure and analyze the morphological parameters of the acetabulum in Mongolian population of Inner Mongolia, so as to provide reference for acetabular prosthesis design and clinical surgery. Methods A total of 105 patients were randomly selected for pelvic CT examination at the Affiliated Hospital of Inner Mongolia Medical University and the Second People's Hospital of Ulanqab. Mimics 21.0 was used to reconstruct the acetabulum and measure the abduction angle, anteversion angle, suprainferior diameter, anteroposterior diameter and depth, and the results were statistically analyzed by using SPSS 25.0. Results The acetabular abduction angle, anteversion angle, suprainferior diameter, anteroposterior diameter and depth were (53.54±6.74) °, (16.16±4.93) °, (62.35±3.89) mm, (57.61±3.83) mm and (29.19±3.69) mm in males and (51.81±5.14) °, (17.45±4.59) °, (57.98±3.24) mm, (55.18±5.45) mm, (26.94±3.94) mm in females, respectively. There was no statistical difference in the acetabulum parameters between the same sex and different sides. There were statistical differences in the suprainferior diameter, anteroposterior diameter and depth between the different sexes. and these three parameters were larger in men, while there was no statistical difference in the acetabular abduction angle and anteversion angle between the different sexes There were differences in the acetabular morphology parameters between Mongolian population and other areas. Conclusions There are differences in acetabular parameters between Mongolian population in Inner Mongolia and other regions. The acetabular abduction angle, suprainferior diameter, anteroposterior diameter and depth are larger than other populations in southern China, and the acetabular anteversion angle is smaller. The differences of acetabulum morphology in different regions should be taken into account when designing prosthesis and placing prosthesis during surgery, the preoperative planning of the acetabular prosthesis should be done well in order to avoid blindness and randomness during surgery.
关键词
髋臼 /
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全髋关节置换术 /
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三维重建 /
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假体设计
Key words
Acetabulum /
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Total hip arthroplasty /
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Three-dimensional reconstruction /
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Prosthesis design
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基金
内蒙古自治区“草原英才”工程青年创新创业人才项目（2020）；内蒙古自然科学基金项目（2020MS08124）；内蒙古医科大学后续科研项目（2020）；乌兰察布市科技计划项目（YKD202002007，2021JC321）；包头医学院科学研究基金项目（BYJJ-QWB202220）；内蒙古教育厅高等学校创新团队发展计划（NMGIRT2227）；内蒙古医科大学2021年度校级科研重点项目；2021内蒙古医科大学致远人才项目
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