CAS as a research tool of TKA

In order to improve clinical results with accurate surgery, computer navigation TKA (CAS TKA) was introduced in the 1990’s. It offers surgeons many advantages. CAS TKA allows serious “High Tech” measurement, improves mechanical axis alignment, enables precision ligament balancing, allows measurement of alignment, gaps, ROM, implant sizing, and improves understanding of errors. In addition to these clinical advantages, CAS is also an excellent research and educational tool. In the present review, I will introduce feasibility of CAS TKA as a research tool for kinematic measurement in TKA. Measurements of knee kinematics during TKA surgery using Navigation System were correlated with postoperative kinematics with using a 2D-3D image matching system. Concerning with this precedence study, intraoperative normal knee kinematic pattern improves clinical outcome of TKA. Furthermore, an intraoperative medial pivot pattern results in reduced patello-femoral contact stress.

並列關鍵字

computer assisted surgery (CAS) ； knee kinematics ； medial pivot motion ； total knee arthroplasty (TKA)

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