No abstract

A 56-year-old male with paroxysmal atrial fibrillation refractory to class IC and class III antiarrhythmic drugs was admitted to our hospital for radiofrequency catheter ablation of atrial fibrillation. During preoperative examination situs inversus totalis was revealed. Pulmonary vein (PV) isolation was successfully performed with atrial fibrillation termination and elimination of all PV potentials. The procedure was performed without any complications. Our report shows that PV isolation for treatment of drug-refractory atrial fibrillation can be safely performed in patients with dextrocardia and situs inversus totalis.

This document provides an overview of current problems and trends in the catheter ablation of atrial fibrillation, summarizes the opinions of specialists, obtained during a web-based electronic survey, on aspects and parameters of radiofrequency ablation. The approaches on improving the efficacy and safety of radiofrequency catheter ablation of atrial fibrillation are provided.

No abstract

Purpose. The study assess the effectiveness and safety of pulmonary veins atriums isolation (PVI) and radiofrequency ablation of the cavo - tricuspid isthmus with different modes of anticoagulation in patients with atrial fibrillation (AFb) and atrial flutter (AFl). Materials and methods. The study included 83 patients - 52 with AFb, 18 - with AFl and 13 - with both types of arrhythmia. Of all the included patients 12 used warfarin for antioagulation (15%), 17 - dabigataran (21%), 39 - rivaroxaban (46%) and 15 - apixaban (18%). For patients using warfarin a “bridge therapy” tactic was used. For patients using POAC the drug was cancelled at 2 half - life periods before the procedure. Intraoperational thromboembollic and haemorrhagic complications were calculated, arrhythmia relapses and delayed complications were controlled in 3 and 6 months after the procedure. Results. 18 arrhytmia relapses were reported during the study, among them 79% happened after PVI, 89% - after cavotricuspid isthmus, 62% - after treatment of both types of arrhythmia. 4 major haemorrhagic complications were reported during the study (intraoperational haemopericardium), 3 major thromboembolic complications (a stroke through 6 months after the procedure). The frequency of minor hemorrhagic events amounted to 8 cases. Both modes of anticoagulation are effective and safe for prevention of thromboembolic events in atrial fibrillation and flutter correction surgery, however, a large, although statistically insignificant number of minor haemorrhagic events occurred in the early post - procedure period with dabigataran. The results of the study show the effectiveness of arrhythmia surgery to be 79% in patients with AFb and 89% in patients with AFl.

No abstract

No abstract

The tachycardia-induced cardiomyopathy is a rare case of reversible heart failure and left ventricle disfunction. The diagnostic approach and treatment strategy are described in this article. Also the clinical case of heart failure compensation in the patient with left ventricle dilatation and atrial flutter after the reverse to sinus rhythm is after catheter ablation presented.