Intraoperative Navigation of Patient-Specific Instrumentation Does Not Predict Final Implant Position

被引:9
|
作者
Abdel, Matthew P. [1 ]
von Roth, Philipp [2 ]
Hommel, Hagen [3 ]
Perka, Carsten [2 ]
Pfitzner, Tilman [2 ]
机构
[1] Mayo Clin, Dept Orthoped Surg, Rochester, MN 55905 USA
[2] Charite, Ctr Musculoskeletal Surg, Dept Orthoped, D-13353 Berlin, Germany
[3] Hosp Markisch Oderland, Dept Orthoped, Sect Wriezen, Wriezen, Germany
来源
JOURNAL OF ARTHROPLASTY | 2015年 / 30卷 / 04期
关键词
patient-specific instrumentation (PSI); intraoperative navigation; total knee arthroplasty (TKA); mechanical axis; femoral rotation; TOTAL KNEE ARTHROPLASTY; CORONAL ALIGNMENT; ACCURACY; TKA; OUTCOMES;
D O I
10.1016/j.arth.2014.11.005
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
The purpose of this study was to determine if intraoperative navigation predicted final implant position of total knee arthroplasties (TKAs) performed with patient-specific instrumentation (PSI). We retrospectively reviewed 60 TKAs performed with PSI and imageless navigation. These values were compared to postoperative coronal alignment based on long-leg radiographs, as well as rotation and tibial slope based on CT scans. The intraoperative coronal position of the tibia as measured by the intraoperative navigation indicated a significantly higher deviation from the neutral mechanical axis than the actual final position (P = 0.03). Similarly, tibial slope and femoral component rotation measured by intraoperative navigation significantly deviated from the final slope and femoral component rotation (P < 0.0001). In conclusion, intraoperative navigation of PSI position showed a significantly high deviation from the true final implant position. Level of Evidence: Level III, therapeutic. See Instructions to Authors for a complete description of levels of evidence. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:564 / 566
页数:3
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