Genicular artery embolization reduces steroid injection reliance in knee osteoarthritis

Genicular artery embolization for knee osteoarthritis was associated with a 50% reduction in annualized corticosteroid injections and a 44% reduction in any intra-articular injection over six months; 69% of prior steroid users received no further steroid injections.

• Among 52 patients who had pre-procedure corticosteroid injections, 89% received fewer injections after embolization.
• Rates of progression to total knee arthroplasty were similar between embolization patients and matched knee osteoarthritis controls, so reduced injections did not correspond to fewer surgeries in this analysis.
• The analysis used insurance claims data from 126 patients from 2014 to 2024.

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