背景：临床研究已证实许多全膝关节成形术术后感染的重要危险因素。
Background: Clinical studies have revealed a number of important risk factors for postoperative infection following total knee arthroplasty.
作者设想在全膝关节成形术中，在移植物的定位方面，计算机辅助的外科技术由于传统的全膝关节成形术。
We hypothesized that total knee arthroplasty with use of computer-assisted surgical navigation is superior to conventional total knee arthroplasty with regard to the precision of implant positioning.
背景知识：在全膝关节成形术中，计算机辅助的外科导航技术是否可以改善肢体及其附件的对线是大家争论的焦点。
Background: Whether total knee arthroplasty with use of computer-assisted surgical navigation can improve the limb and component alignment is a matter of debate.
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