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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >The stem fixation technique do influence the tibial alignment in TKA revisions. A comparative study between cemented and cementless / hybrid cemented tibial stems using 3D-CT
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The stem fixation technique do influence the tibial alignment in TKA revisions. A comparative study between cemented and cementless / hybrid cemented tibial stems using 3D-CT

机译：茎固定技术确实会影响TKA修订版中的胫骨对齐。 3D-CT骨水泥与非骨水泥/混合骨水泥胫骨干的比较研究

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Aims and Objectives: Purpose of the study was to investigate if the fixation technique for intramedullary stems in total knee arthroplasty revisions (rTKA), influence the alignment of the components, leg axis and the rates of complications, reoperations and revisions. Materials and Methods: Sixteen patients with cemented tibial stems (Group C) and twenty-six patients with either cementless or hybrid cemented tibial stems (Group PF) were collected. All patients underwent regular clinical follow-up (41.5 months) and postoperative 3D-CT scans. Mean values of the three-dimensional rTKA component position and of the leg axis were compared between groups with the T-test. The tibial components were graded on the transversal plane into internal, neutral and external rotated, and, on the coronal plane, in neutral and varus/valgus aligned. The graded measurements and the incidences of postoperative complications, reoperations and revisions were analysed with a Chi~(2)-Test. Results: The mean measurements of the component position did not significantly differ between groups (p < 0.05). Group C showed a tendency to internal rotation (Group C: 62.5%; Group PF: 34.6%) and a significant higher coronal alignment accuracy (p = 0.004). Group PF instead a tendency to external rotation (Group C: 25.0%; Group PF: 46.2%) (p = 0.094). Both groups presented a neutral leg alignment (Group C: 0.00° ± 3.37; Group PF: 1.04° ± 2.6) (p = 0.268). Group PF showed a tendency to more complications (Group C: 35.7%; Group PF: 60.9%; p = 0.138). No significant differences were seen between rates of reoperations (Group C: 35.7%; Group PF: 30.4%; p = 0.565) and revisions (Group C: 28.6%; Group PF: 8.7%; p = 0.894). Conclusion: The stem fixation technique influence the tibial component alignment. A more accurate coronal alignment was achieved in Group PF.
机译：目的和目的：本研究的目的是研究全膝关节置换术翻修术（rTKA）中髓内茎的固定技术是否影响部件，腿轴的对准以及并发症，再手术和翻修的比率。材料和方法：收集16例胫骨水泥骨干患者（C组）和26例非骨水泥或混合骨水泥胫骨干患者（PF组）。所有患者均接受定期临床随访（41.5个月）和术后3D-CT扫描。使用T检验比较各组之间的三维rTKA分量位置和腿轴的平均值。胫骨组件在横向平面上分为内旋转，中立和外旋转，在冠状平面上按中立和内翻/外翻对齐。采用Chi〜（2）-Test分析分级测量结果以及术后并发症，再次手术和翻修的发生率。结果：各组的成分位置平均测量值无显着差异（p <0.05）。 C组显示出内部旋转的趋势（C组：62.5％; PF组：34.6％），并且冠状位对准准确度更高（p = 0.004）。 PF组倾向于外向旋转（C组：25.0％; PF组：46.2％）（p = 0.094）。两组均呈现中性腿部对齐（C组：0.00°±3.37; PF组：1.04°±2.6）（p = 0.268）。 PF组显示出更多的并发症倾向（C组：35.7％; PF组：60.9％; p ＝ 0.138）。再手术率（C组：35.7％; PF组：30.4％; p = 0.565）与修订率（C组：28.6％; PF组：8.7％; p = 0.894）之间没有显着差异。结论：茎固定技术会影响胫骨组件的对齐方式。 PF组的冠状位更准确。

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