ARTHROPLASTY
Extramedullary femoral alignment system provides reliable limb alignment for TKA
Knee Surg Sports Traumatol Arthrosc. 2013 Mar;21(3):629-35. doi: 10.1007/s00167-012-1994-6. Epub 2012 Apr 891 patients (106 knees) undergoing total knee arthroplasty who had varus deformities (TKA) were randomized to undergo the surgical procedure using either the intramedullary alignment (IM) or extramedullary femoral alignment (EM) systems, in order to compare the femoral alignment resulting from each procedure. Following evaluations, the results indicated that the EM technique provided reliable limb alignment and was produced similar positioning when compared to the IM procedure.
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