Radiofrequency Ablation (RFA)
During Radiofrequency Ablation aka RFA, a catheter is placed in the diseased vein under real-time ultrasound guidance, and radiofrequency energy heats the vein tissue. The vein is closed and is eventually sealed shut. The abnormal reflux of blood is stopped. This is an outpatient procedure, performed under local anaesthetic with resumption of normal activity within a day. Although the medium and long term results of RF ablation and laser ablation (EVLA) are identical there are some minor differences which mean that some patients are best suited to either one or the other.
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