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Computed Tomographic Evaluation of Bone Stock in Patients With Crowe Type III Developmental Dysplasia of the Hip: Implications for Guiding Acetabular Component Placement Using the High Hip Center Technique 期刊论文

编号：

9f0aed5d-6a4d-44bc-9814-72b46d87e805
作者：

Liu, Bo#^[1]Gao, YuHang(高宇航)^[1]Ding, Lu^[1];Li, ShuQiang(李叔强)^[1]Liu, JianGuo(刘建国)^[1]Qi, Xin(齐欣)*^[1]
语种：

英文
期刊：

JOURNAL OF ARTHROPLASTY ISSN：0883-5403 2018 年 33 卷 3 期 (915 - 918) ; MAR
收录：
关键词：

developmental dysplasia of the hip total hip arthroplasty computer simulation high hip center acetabular bone deficiency
摘要：

Background: We evaluated acetabular cup coverage (CC) and rim contact (RC) to evaluate the bone stock above the acetabulum for guiding acetabular component placement using the high hip center technique in patients with Crowe type III developmental dysplasia of the hip.
Methods: Using hip computed tomography and image processing software, pelvises were reconstructed digitally in 20 hips with Crowe type III developmental dysplasia of the hip. Mimicked cup was placed with anteversion angles of 0 degrees (group I), 5 degrees (group II), and 10 degrees (group III) respectively. In each group, the cup was placed at the anatomical hip center at first, and then the cup was moved up to 40 mm vertically about the native rotation center with an increment of 2.5 mm at each step. CC and RC were calculated and documented with each movement.
Results: CC was 65.87%, 67.77%, and 68.98% for group I, group II, and group III at the native rotation center, and increased progressively to 86.45%, 85.85%, and 84.71% at 25 mm above. RC was 49.17%, 50.25%, and 51.92% for group I, group II, and group III at the native rotation center, and increased progressively to 86.87%, 86.39%, and 84.94% at 22.5 mm above. CC and RC were positively correlated, despite the different anteversion angles (r = 0.687 at 0 degrees, 0.683 at 5 degrees, and 0.645 at 10 degrees; P < .001).
Conclusion: Computed tomography analysis and computer stimulation demonstrate that it is feasible to use high hip center technique in Crowe type III hips. (C) 2017 Elsevier Inc. All rights reserved.
推荐引用方式
GB/T 7714：

Liu Bo,Gao Yu-Hang,Ding Lu, et al. Computed Tomographic Evaluation of Bone Stock in Patients With Crowe Type III Developmental Dysplasia of the Hip: Implications for Guiding Acetabular Component Placement Using the High Hip Center Technique [J].JOURNAL OF ARTHROPLASTY,2018,33(3):915-918.
APA：

Liu Bo,Gao Yu-Hang,Ding Lu,Li Shu-Qiang,&Qi Xin.(2018).Computed Tomographic Evaluation of Bone Stock in Patients With Crowe Type III Developmental Dysplasia of the Hip: Implications for Guiding Acetabular Component Placement Using the High Hip Center Technique .JOURNAL OF ARTHROPLASTY,33(3):915-918.
MLA：

Liu Bo, et al. "Computed Tomographic Evaluation of Bone Stock in Patients With Crowe Type III Developmental Dysplasia of the Hip: Implications for Guiding Acetabular Component Placement Using the High Hip Center Technique" .JOURNAL OF ARTHROPLASTY 33,3(2018):915-918.
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