Atrial Fibrillation Mystery: Radiofrequency Ablation of Atrial Fibrillation Catheters Atrial fibrillation is a dangerous condition that not only affects quality of life, but can also lead to disabling and fatal complications such as stroke or heart failure. The treatment of atrial fibrillation includes anticoagulation, ventricular rate control and rhythm control. In addition to drugs and electrical resuscitation, there is a relatively new but rapidly developing interventional treatment method, catheter radiofrequency ablation, whose main purpose is to reduce or terminate the episodes of atrial fibrillation to improve symptoms and lifestyle, and is currently the most effective treatment for atrial fibrillation, significantly better than electrical resuscitation and antiarrhythmic drugs. Catheter radiofrequency ablation is a minimally invasive out interventional operation that is not yet considered a surgical procedure compared to surgery, and understanding this technique can no longer be unfamiliar or intimidating to it. Principle of catheter radiofrequency ablation Atrial fibrillation is mostly caused by disordered electrical activity in the pulmonary veins that conducts and spreads to the atria, so isolating the electrical activity in the pulmonary veins can treat atrial fibrillation. Radiofrequency ablation is the use of radiofrequency high energy, through the catheter in the pulmonary veins and the left atrium ablation, forming an isolation zone, cut off the electrical activity conduction pathway, prevent the pulmonary veins disorder electrical activity to the atria conduction diffusion, from the face to achieve the purpose of eliminating atrial fibrillation, this is like the forest fire when pulling out trees and weeds and make the isolation zone. The procedure 1, atrial fibrillation catheter radiofrequency ablation before the need to do esophageal heart ultrasound except atrial thrombosis. 2, choose the root of the thigh femoral vein puncture point (wound only coarse needle eye size), ablation catheter, standard test catheter through the puncture along the femoral vein to reach the right atrium, and then puncture the atrial septum to the left atrium for ablation of the circumferential pulmonary vein. 3, paroxysmal atrial fibrillation can generally be completed by pulmonary vein ablation, while persistent atrial fibrillation also requires 3 linear ablations. 4.The patient always remains awake and can speak during the operation. 5.After the operation, the patient needs to lie flat and brake for 8~12 hours to stop the bleeding at the puncture site, and then he can go down to the floor. Which patients with atrial fibrillation are suitable for the procedure? 1, paroxysmal atrial fibrillation; 2, persistent atrial fibrillation with obvious symptoms and ineffective drug treatment (long course); generally the longer the time, the atria will increase more obviously, the success rate of radiofrequency ablation surgery will be reduced, and the chance of recurrence will be increased afterwards. 3, other types of atrial fibrillation; such as atrial fibrillation caused by thyroid disease, hypertrophic cardiomyopathy combined with atrial fibrillation; valvular atrial fibrillation patients such as wind heart disease, mitral stenosis caused by atrial fibrillation, after valve replacement or repair treatment, radiofrequency ablation can also be performed to treat atrial fibrillation. Treatment results Catheter radiofrequency ablation therapy should be preferred for paroxysmal atrial fibrillation, and its first success rate is around 70%; the first success rate for persistent atrial fibrillation is 60%. The success rate of the second radiofrequency ablation will be significantly higher, up to 80-90%. If there is a recurrence, a 3rd ablation can be considered after 3 months, with a higher success rate.