Hyaluronic acid injections have increased for knee arthritis in the US, despite guideline recommendations against their use.

Hyaluronic Acid Injections for Knee Osteoarthritis: Has Utilization Among Medicare Beneficiaries Changed Between 2012 and 2018? – The Journal of Bone & Joint Surgery (link to abstract – $ for full-text)

News Release: Hyaluronic acid injections have increased for knee arthritis – despite recommendations against their use

Related Guideline: Treatment of Osteoarthritis of the Knee: Evidence-Based Guideline, 2nd Edition – Journal of the American Academy of Orthopaedic Surgeons