Results of the Registry of Patients With Atrial Tachyarhythmias After Interventional Treatment (RPATIT).

Aim      To study the long-term clinical profile of safety and efficacy of anticoagulant therapy (ACT) in patients with atrial tachyarrhythmias (AT) after interventional treatment.Material and methods  A total of 5,611 medical records of patients managed in the Department of Surgical Treatment of Complex Heart Rhythm Disorders and Electrical Pacing of the Cardiology Research Institute of Tomsk National Research Medical Center (TNRMC) from 01.01.2017 through 31.12.2019 was analyzed. The study included 1,342 of the patients with various forms of AT who underwent the catheter treatment for heart rhythm disorders.Results The administration of ACT to patients with AT after the interventional treatment is safe, since the combined use of an invasive strategy and ACT does not increase the risk of major and minor bleeding. The effective intervention allows significantly reducing the risk of ischemic stroke in patients with paroxysmal and persistent atrial fibrillation and virtually completely excluding the likelihood of other thromboembolic complications.Conclusion      Successful radiofrequency ablation/cryoballoon ablation of atrial fibrillation foci significantly reduces the risk of ischemic stroke, while the invasive strategy does not increase the risk of major and minor bleeding.