How to assess femoral and tibial component rotation after total knee arthroplasty with computed tomography: a systematic review

被引:47
作者
De Valk, Eduard J. [1 ]
Noorduyn, Julia C. A. [1 ]
Mutsaerts, Eduard L. A. R. [1 ]
机构
[1] OLVG, Dept Orthopaed Surg, Amsterdam, Netherlands
关键词
Total knee arthroplasty; Component rotation; Malrotation; Computed tomography; CT; Post-operative measurements; POSTERIOR CONDYLAR ANGLE; DISTAL FEMUR; ALIGNMENT; REPLACEMENT; MALROTATION; RADIOGRAPHS; POSITION; IMPLANT;
D O I
10.1007/s00167-016-4325-5
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
One of the most important factors leading to revision of total knee arthroplasties (TKA) is malrotation of femoral and/or tibial component. Rotation measurements performed on radiographs are limited and less reliable compared to 2D computed tomography (CT). Nowadays, 2D-CT and 3D-CT can be distinguished in measuring rotation of the TKA components. The aim of this systematic review is to determine the most reliable CT techniques in measuring rotation of the TKA components and to investigate possible cut-off points that can be used in the clinician's decision for a possible revision of the TKA. A search of PubMed, Embase, the Cochrane Central Register of Controlled Trials and Web of Science was performed up to April 2015. Final selections of 12 articles were used in this systematic review. 3D-CT, compared to 2D-CT, is more reliable and shows a high level of intra- and interobserver reliability. Femoral component rotation is measured using the component's posterior condylar line or inner pegs in relation to the epicondylar axis. Five different techniques were used to measure tibial component rotation. The posterior border of the tibial component in relationship to the geometric centre and tibial tubercle was most frequently used. This systematic review shows a strong preference for 3D-CT to determine the component's rotation following a TKA. The literature shows consensus on the reference points of the femoral component. In measurements of the tibial component, various techniques are used with similar results. No clear cut-off point for revision of malrotated TKA components can be stated because of limited evidence. III.
引用
收藏
页码:3517 / 3528
页数:12
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