Medial-stabilized TKA may lead to better clinical outcomes vs posterior-stabilized TKA

medial stabilized tka may lead to better clinical outcomes vs posterior stabilized tka

Sumary of Medial-stabilized TKA may lead to better clinical outcomes vs posterior-stabilized TKA:

  • Back to Healio Results presented here showed statistically better clinical outcomes and shorter tourniquet times among patients undergoing total knee arthroplasty who received a medial-stabilized implant compared with a posterior-stabilized implant.
  • Scott, MD, and colleagues randomly assigned 200 patients undergoing elective primary TKA to receive either a posterior-stabilized (n=99) or a medial-stabilized (n=101) device.
  • Researchers collected the Knee Society Score, the Forgotten Joint Score and X-rays preoperatively and postoperatively at 6 weeks, 6 months and annually.
  • Of the 200 patients included in the study, Scott noted 171 patients were available for follow-up at 2 years postoperatively.
  • “There were, however, significant differences in flexion, the Knee Society Pain Motion Score and the Forgotten Joint Score starting as early as 6 months postoperatively.
  • ” Scott added tourniquet time was 7% longer among patients in the posterior-stabilized group.
  • At 1 year postoperatively, he noted patients had no differences in Knee Society Function Score and coronal X-ray alignment.
  • Although patients in the posterior-stabilized group had good to excellent Knee Society Pain Motion Scores from 6 months to 2 years postoperatively, Scott noted patients in the medial-stabilized group had substantially better results.

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