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KMID : 0361620180530060478
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Journal of the Korean Orthopaedic Association
2018 Volume.53 No. 6 p.478 ~ p.489
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Computer-Assisted Navigation in Total Knee Arthroplasty
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Jeong Hwa-Jae
Park Yong-Beom
Lee Han-Jun
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Abstract
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Total knee arthroplasty has become a standard procedure for advanced knee arthritis to relieve pain and improve function. Computer-assisted navigation systems have been used in total knee arthroplasty to improve the mechanical axis of the limb as well as the alignment and position of the components. A computer-assisted navigation system has the advantage of real-time feedback during surgery, such as mediolateral balance in extension and flexion gap, alignment of the lower limb, and components. On the other hand, the computer-assisted navigation system requires an additional stab wound for tracker fixation, which can increase the likelihood of superficial wound infection and stress fractures and increase the operation time and cost of surgery. The clinical efficacy of computer-assisted navigation in total knee arthroplasty is also controversial. Compared to the conventional technique, computer navigation improves the accuracy of the postoperative mechanical axis within outliers of 3° varus or 3° valgus. This paper reviews the surgical technique, pitfalls, clinical and radiological outcomes, useful clinical cases, and future perspectives in computer-assisted navigation total knee arthroplasty.
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KEYWORD
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knee, osteoarthritis, arthroplasty, computer
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