Low accuracy of stem implantation in THR using the CASPAR-system - Anteversion measurements in 10 hips

被引:9
作者
Mazoochian, F [1 ]
Pellengahr, C
Huber, A
Kircher, J
Refior, HJ
Jansson, V
机构
[1] Univ Rostock, Dept Orthoped, Rostock, Germany
[2] Univ Munich, Hosp Grosshadern, Dept Orthoped, Munich, Germany
[3] Univ Munich, Hosp Grosshadern, Dept Radiol, Munich, Germany
来源
ACTA ORTHOPAEDICA SCANDINAVICA | 2004年 / 75卷 / 03期
关键词
D O I
10.1080/00016470410001178
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
We studied 10 patients by means of pre- and postoperative CT who underwent computer-assisted total hip replacement using the CASPAR-system (OrthoMaquet GmbH, Rastatt, Germany). The anteversion angles of the stem and translational deviations measured after surgery were compared to the preoperatively planned ones as a quality control. We found an average difference of 7.8degrees (SD 6.3degrees; 95% CI 3.3degrees-12.3degrees) in the angles and an average difference of 1.8 (SD 1.7; 95% CI 0.6-3.0) mm and 1.2 (SD 1.4: 95% CI 0.25-2.2), respectively, in the medial and lateral deviation. In conclusion, we could not confirm the same accuracy of implant position as that claimed by the manufacturer.
引用
收藏
页码:261 / 264
页数:4
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