The Economic Value of Customized versus Off-the-Shelf Knee Implants in Medicare Fee-for-Service Beneficiaries

The amount of total knee arthroplasty (TKA) procedures performed in the United States has been increasing steadily and is projected to reach 3 million procedures annually by 2030 in patients aged ≥65 years. A rise in TKA procedures will increase spending on osteoarthritis treatments, which is currently the second highest category of spending for Medicare patients. Because TKA procedures account for a substantial amount of total osteoarthritis spending, payers and providers are examining methods to reduce spending on the procedure while improving clinical outcomes. Customized individually made implants have been shown to improve clinical outcomes, such as physical function and limb alignment, compared with off-the-shelf implants; however, the economic impact of customized implants has yet to be established