Robotic Total Knee Replacement Shows Promising Results

Computer-assisted total knee replacements result in better leg alignment, less likelihood of infection and lower early failure rates than conventional surgeries, according to a study of 1,000 robotic procedures performed at Mercy Medical Center in Rockville Centre, N.Y.

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With conventional techniques, top surgeons achieve precise alignment — with the center of the hip and knee lined up within three degrees of the patient’s ankle — 50-80 percent of the time. In the Mercy study, this precise alignment was achieved in all of the 1,000 robotic procedures, according to a press release.

There were also no early failures and no revision operations needed to correct misalignment, instability or loosening, according to the release. Infection rates were also lower, with 0.2 percent of patients reporting infections, compared with a typical rate of 1-5 percent among conventional total knee replacement patients.

Read Mercy Medical Center’s press release on computer-assisted total knee replacement.

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