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计算机辅助全膝关节置换术:术者经验对假体放置的影响。

Computer-assisted total knee arthroplasty: impact of the surgeon's experience on the component placement.

机构信息

Department of Orthopedic Surgery, University of Reunion Island, Hospital of Saint-Pierre, BP 350, Saint Pierre Cedex, France.

出版信息

Arch Orthop Trauma Surg. 2013 Mar;133(3):397-403. doi: 10.1007/s00402-012-1666-5. Epub 2012 Dec 11.

DOI:10.1007/s00402-012-1666-5
PMID:23229459
Abstract

INTRODUCTION

Accuracy of implant positioning in total knee arthroplasty (TKA) has a major impact on postoperative outcomes. We investigate the accuracy of positioning of multiples values simultaneously in TKA navigated, even among novice users.

METHOD

The "novice" group included the first 91 knees operated on by 10 operators new to navigation and the "experienced" group 174 knees by an experienced navigator. Deviations from the preoperative planning were graded as optimal (≤3°), acceptable (4°-5°) or non-acceptable (≥5°). Moreover, the percentage of the three values fulfilling simultaneously the objective was calculated.

RESULTS

No significant difference in the number of non-acceptable results was found. The common objective for these three values was achieved within 5° in 96 % in the novice group and 98 % in the experienced one.

CONCLUSION

The satisfactory HKA alignment was not the result of reversed errors between the tibia and the femur, since it correlated the successful simultaneous results of alpha and beta angles.

摘要

引言

全膝关节置换术(TKA)中植入物定位的准确性对术后结果有重大影响。我们研究了即使在新手用户中,同时定位多个值的 TKA 导航的准确性。

方法

“新手”组包括 10 名新接触导航的操作人员进行的前 91 例膝关节手术,“经验丰富”组包括经验丰富的导航员进行的 174 例膝关节手术。根据术前规划,偏差分为最佳(≤3°)、可接受(4°-5°)或不可接受(≥5°)。此外,计算同时满足三个目标的三个值的百分比。

结果

未发现不可接受结果的数量存在显著差异。在新手组中,这三个值的共同目标在 5°内实现了 96%,在经验丰富的组中实现了 98%。

结论

满意的 HKA 对线并不是胫骨和股骨之间反向误差的结果,因为它与 alpha 和 beta 角的成功同时结果相关。

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引用本文的文献

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Computer Assisted Total Knee Arthroplasty: Does it Make a Difference?计算机辅助全膝关节置换术:有区别吗?
Maedica (Bucur). 2013 Jun;8(2):176-81.