Sympathetic predominance of cardiac autonomic regulation in patients with left free wall accessory pathway and orthodromic atrioventricular reentrant tachycardia

European Heart Journal
J E HartikainenA John Camm

Abstract

The aim of this study was to compare cardiac autonomic regulation in patients with a history of paroxysmal supraventricular tachyarrhythmias, such as atrioventricular nodal reentrant tachycardia and atrioventricular reentrant tachycardia, and healthy controls. Seventeen patients with paroxysmal atrioventricular nodal reentrant tachycardia (atrioventricular nodal reentrant tachycardia group), 14 patients with overt preexcitation and paroxysmal atrioventricular reentrant tachycardia caused by a left free wall accessory pathway (atrioventricular reentrant tachycardia group) and 14 healthy control subjects, were studied. The patients and the controls were age and gender matched. Cardiac autonomic regulation was assessed by means of frequency domain analysis of heart rate variability at rest, during head-up tilt, active standing, treadmill exercise and after exercise. The high frequency component (0.15-0.5 Hz) of heart rate variability tended to be lower and the low frequency component (0.04-0.15 Hz) tended to be higher among the atrioventricular reentrant tachycardia patients than in atrioventricular nodal reentrant tachycardia patients and controls. The difference reached statistical significance at rest (P < 0.05) and during stan...Continue Reading

Citations

Feb 12, 2010·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Gerardo NigroRaffaele Calabrò
Apr 21, 2018·Journal of Cardiovascular Electrophysiology·Serhat KocaOzcan Ozeke

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