Genicular Artery Embolization and Genicular Nerve Radiofrequency Ablation for Knee Osteoarthritis: A Systematic Review of Sham-Controlled Randomized Trials Muhammad Farrell Rikhad1*, Abimanyu Awanda Ragil1, Fariz Albarri2 Abstract Symptomatic knee osteoarthritis (KOA) may persist despite conservative care, and arthroplasty is not suitable for every patient. Genicular artery embolization (GAE) and genicular