Computer-assisted TKAs yield better outcomes

By Peter Pollack

Computer-assisted navigation may result in better outcomes than standard instrumentation methods for total knee arthroplasty (TKA) patients, according to the authors. John M. Dillon, MRCS, presented the results of “Functional outcome assessment after navigated and standard TKA using gait analysis” at the 2009 AAOS Annual Meeting.

The research team conducted a prospective, controlled study of 54 patients based on gait analysis. Standard instrumentation was used for TKA in 20 patients (9 men, 11 women; mean age 66.3 years); 20 patients (8 men, 12 women; mean age 67.2 years) had TKAs performed using a computer-assisted navigation system; and 14 patients with no history of knee pathology, knee surgery, or gait abnormality acted as controls.

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