Indications For Radiofrequency Ablation

Radiofrequency ablation develops rapidly and is widely accepted by both doctors and patients. At present, radiofrequency ablation technology has been quite mature, the indications have been from the original simple paroxysmal supraventricular tachycardia (mainly AV bypass, AV nodal dual approach), to idiopathic ventricular tachycardia, frequent premature ventricular beats, atrial flutter, atrial tachycardia, atrial fibrillation, etc. For common paroxysmal supraventricular tachycardia, the success rate of radiofrequency ablation is more than 95%, and the postoperative recurrence rate is 1-3%.

Solid tumor

Percutaneous radiofrequency ablation (RFA) of tumor is the use of radiofrequency heat effect to cause tissue coagulation necrosis under the guidance of imaging (CT, B-ultrasound, etc.) to achieve the purpose of tumor resection, which has become a new hotspot in many palliative therapies. The main principle of this technology is that the warhead emits medium and high frequency radio frequency waves (460K Hz), which can stimulate the tissue cells to carry out plasma shock, and the ions collide with each other to generate heat, reaching 80-100℃, which can effectively and quickly kill the local tumor cells. At the same time, it can make the blood vessels around the tumor coagulate and form a reaction zone. It can not continue to supply blood to the tumor and help prevent tumor metastasis. [2]

The whole treatment process is controlled by computer and monitored by TV screen. The radiofrequency wave emitted by the cluster electrode can make the tissue coagulated necrosis area (inactivated tumor area) up to 5cm×5cm×5cm at a time. It is the most advanced "guided treatment method" and minimally invasive tumor resection treatment method, which can kill tumor more and damage the body less.

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