Cardiac radiofrequency ablation is generally used for the treatment of cardiac arrhythmias with the possibility of recurrence after the procedure. The recurrence rate varies depending on the etiology and the location of the radiofrequency ablation.
The recurrence rate of radiofrequency ablation of atrioventricular bypass tract is about 1.7%, the recurrence rate after radiofrequency ablation of atrioventricular junctional zone refractory tachycardia is 2.3%, the recurrence rate after radiofrequency ablation of atrial arrhythmia is about 10% to 30%, and the recurrence rate of ventricular tachycardia is about 5.4%.
Cardiac radiofrequency ablation is a technique that uses electric current to produce a thermal effect in local tissues, which dehydrates the cardiomyocytes and creates a small, well-defined area of necrotic tissue, but normal tissues are not affected. It is less irritating to nerve and muscle fibers, and is less likely to cause adverse effects such as atrioventricular block.
Radiofrequency ablation can be used to treat a variety of tachyarrhythmias such as atrial arrhythmias, atrioventricular torsades de pointes, and ventricular arrhythmias, and it is now the mainstay of ablation technology.
After radiofrequency ablation treatment, patients should follow the doctor’s request for review of ECG and other items to check for recurrence or conduction block, etc., and deal with them promptly.