计算机辅助与传统全膝关节置换术疗效相似
Study: Outcomes similar for computer-assisted TKA and conventional TKA.
A study published in the Nov. 21 issue of the Journal of Bone and Joint Surgery—American (JBJS-A) finds no difference in clinical function, alignment, or survivorship of the knees of patients who underwent computer-navigated total knee arthroplasty (TKA) and those who underwent conventional TKA. The authors conducted a prospective randomized trial of 520 patients with osteoarthritis who underwent computer-navigated total knee arthroplasty for one knee and conventional total knee arthroplasty for the other. At 10.8-year follow-up, they found no significant differences between groups in the areas of total knee scores, knee function scores, pain scores, WOMAC scores, knee motion, and activity scores, and alignment and survivorship of the components were not statistically different across groups.
A related commentary in the same issue of JBJS—A discusses the findings of the study and points out that the skill set of the surgeon is important to the outcomes described. The authors recommend that, because individual results may vary among orthopaedic surgeons, the choice to use the computer as a surgical tool should not be based on data from any single study.
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