Effects of Intra-articular Stromal Vascular Fraction Injection on Clinical Symptoms and Cartilage Health in Osteoarthritic Knees

Adipose tissue was harvested using the Q-graft system (Human Med®) from the abdominal subcutaneous fat of patients under local anesthesia. After concentration and resuspension in normal saline, 5 mL of the SVF suspension was injected into the knee joint cavity under sterile conditions.