Sinus node dysfunction in patients with long-standing persistent atrial fibrillation: Clinical and laboratory parallels

Introduction. This article provides an overview of the problem sinus node dysfunction after surgical treatment for longstanding persistent atrial fibrillation and methods diagnosing initial states cardiac activity conduction. Purpose. To identify predictors in patients with long-standing fibrillation. Material Methods: The study comprised a total 65 complicating mitral valve disease. state autonomic nervous system was analyzed associations between data electrophysiological parameters were investigated. Results . allowed to cutoff points contents neurohumoral factors coronary circulation intact function dysfunction. Prognostic criteria development bradyarrhythmias postoperative period requiring pacemaker implantation proposed introduced into clinical practice.