Radiofrequency ablation treatment, or RFA, is a safe, proven medical procedure that treats not only the symptoms of varicose veins but also the underlying condition that causes them. If you are interested in radiofrequency ablation for varicose veins treatment, contact USA Vein Clinics. No hospitalization is required, and patients are back on their feet immediately following the procedure. RFA is a clinically proven, minimally invasive procedure used worldwide for lasting relief from vein symptoms like pain, swelling, and heaviness.