The effectiveness of endovenous laser ablation versus radio - frequency ablation in the treatment of venous insufficiency of the lower extremities

To compare the improvement in symptoms and effectiveness in eliminating reflux of chronic venous insufficiency (CVI) patients between two endovascular intervention methods: Endovenous Laser Ablation (EVLA) and Radio - Frequency Ablation (RFA) in patients with venous insufficiency of the lower limbs.