Total knee arthroplasty

Status: Decision completed

Policy context

Important questions remain about appropriate patient selection; timing; and clinical indications for knee replacement, as well as information on the use of different surgical approaches; prosthesis types and materials; and its safety and effectiveness and cost effectiveness compared to alternatives. Questions primarily center on when the procedure is most appropriate and for whom, and whether certain types of procedures produce better results.

Primary criteria ranking

  • Safety = Low
  • Efficacy = Low
  • Cost = Med

Assessment timeline

  • Draft report published: August 20, 2010
  • Public comment period: August 20 to September 3, 2010
  • Final report published: September 22, 2010
  • HTCC public meeting: October 22, 2010


Knee joint replacement or knee arthroplasty is surgery to replace a diseased knee joint with an artificial joint. It is an elective procedure, generally indicated for patients with significant loss of cartilage to bone, experiencing pain, and limited range of motion.