Three-Dimensional Component Alignment and Functional Outcome in Computer-Navigated Total Knee Arthroplasty A Prospective, Randomized Study Comparing Two Navigation Systems

被引：24
作者：
Harvie, Paul [1 ]
Sloan, Karen [1 ]
Beaver, Richard J. [1 ]
机构：
[1] Royal Perth Hosp, Dept Elect Orthopaed, Perth, WA, Australia
来源：
JOURNAL OF ARTHROPLASTY | 2011年 / 26卷 / 08期
关键词：
computer navigation; articular surface mounted; total knee arthroplasty; Perth CT protocol; ASSISTED SURGICAL NAVIGATION; REPLACEMENT; AXIS; HIP;
D O I：
10.1016/j.arth.2010.12.022
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：
Computer navigation in total knee arthroplasty produces better component alignment than conventional techniques. Different navigation systems exist. We undertook a prospective, randomized study comparing 2 navigations systems (Stryker Full Navigation and Stryker Articular Surface Mounted [ASM] navigation systems). Three-dimensional component alignment (Perth computed tomographic knee protocol) and function at 1 year (Knee Society Scores) were assessed. Forty patients participated (20 fully navigated and 20 ASM-navigated total knee arthroplasties). Cohorts were well matched according to sex, age, and body mass index. No statistically significant difference was seen in any parameter of 3-dimensional component alignment or function between cohorts. Operative time for the ASM cohort was significantly less than the fully navigated cohort (P = .001). Both systems performed equally well, and therefore, surgeon preference should determine which system is used.
引用
收藏
页码：1285 / 1290
页数：6
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