Refralon in Patients With Recurrence Paroxysmal and Persistent Forms of Atrial Fibrillation Who Underwent Catheter Ablation

Prior treatment

• Arrhythmogenic effect of antiarrhythmic drugs III class in history;
• Contraindications to anticoagulant therapy;

Other illness

• Chronic kidney disease with a decrease in glomerular filtration rate less than 30 ml / min / 1.73 m2;
• Chronic heart failure (functional class IV);
• Acute coronary syndrome;
• Bronchial asthma of an uncontrolled course and / or severe respiratory failure.
• Bradysystolic atrial fibrillation (heart rate \<50 beats/min);

Lab values

• The need for the use of drugs that increase the duration of the QT interval drugs without the possibility of withdrawal
• Duration of the QT interval \>440 ms;
• Uncorrected electrolyte disturbances at the time of cardioversion (potassium level less than 3.5 mmol/l);

Other

• Atrioventricular blockade of 2-3 degrees (with the exception of patients with an implanted pacemaker);
• Dysfunction of the sinoatrial node (with the exception of patients with an implanted pacemaker);
• Hemodynamic instability requiring emergency cardioversion;
• Thyrotoxicosis or decompensated hypothyroidism;
• Pregnancy and breastfeeding period.

• 2\. Patients with paroxysmal or persistent forms of AF/AFL and early (less than 90 days) or late (more than 90 days) arrhythmia recurrence after catheter radiofrequency ablation or balloon cryoablation of pulmonary veins.
• 3\. Indications for SR recovery. 4. Consent of the patient.