Ultrasound-based Navigation and 3D CT Compared in Acetabular Cup Position

被引：8
|
作者：
Hasart, Olaf [1 ]
Poepplau, Berry M. [2 ]
Asbach, Patrick [3 ]
Perka, Carsten [1 ]
Wassilew, Georgi I. [1 ]
机构：
[1] Charite, Charite Orthopaed Dept, Ctr Musculoskeletal Surg, D-13353 Berlin, Germany
[2] Charite, Julius Wolff Inst, D-13353 Berlin, Germany
[3] Charite, Charite Dept Radiol, D-13353 Berlin, Germany
来源：
ORTHOPEDICS | 2009年 / 32卷 / 10期
关键词：
TOTAL HIP-ARTHROPLASTY; IMAGELESS NAVIGATION; COMPUTER NAVIGATION; COMPONENT; ORIENTATION; DISLOCATION; VALIDATION; PLACEMENT; REVISION; ACCURACY;
D O I：
10.3928/01477447-20090915-50
中图分类号：
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];
学科分类号：
摘要：
Intraoperative landmarks are used in image-free navigation systems. The ultrasound-based navigation systems try to overcome the problems of positional deviation associated with soft tissue. Our study analyzed the accuracy of ultrasound-based navigation of cup positioning compared with postoperative 3-dimensional (3D) computed tomography scans of cup positioning. Twenty-five ultrasound-navigated total hip arthroplasties (THAs) were analyzed. The difference between the intraoperative cup orientation (navigation) and the postoperative cup position (CT) was evaluated. The average difference between intraoperative navigation and postoperative CT measurements was 2.8 degrees (SD +/- 1.8 degrees) for abduction and 2.2 degrees (SD +/- 1.6 degrees) for anteversion. Therefore, we recommend ultrasound-based navigation as an exact tool for cup positioning in THA.
引用
收藏
页码：6 / 10
页数：5
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