Decreasing Parasympathetic Tone Activity and Proarrhythmic Effect After Radiofrequency Catheter Ablation

Studies on Hemodynamic Instability in Paroxysmal Supraventricular Tachycardia: Noninvasive Evaluations by Head‐Up Tilt Testing and Power Spectrum Analysis on Electrocardiographic RR Variation

“…Another limitation of this study is the influence of the inappropriate sinus tachycardia and the pre-sumed parasympathetic withdrawal following the slow pathway. [43][44][45][46] While a strictly designed follow-up study examining the recovery of autonomic imbalance after procedure, Jinbo Y et al 43 and Skeberis V et al 44 pointed out that the inappropriate sinus tachycardia and presumed parasympathetic withdrawal following the slow pathway are discontinued within a week. Moreover, Purerfellner et al 45 demonstrated by means of 24-hour Holter recordings that radiofrequency ablation of the slow pathway in AVNRT did not significantly change parameters of heart rate and heart rate variability.…”

Morphology, distribution, and variability of the epicardiac neural ganglionated subplexuses in the human heart

“…The intrinsic cardiac nervous system influences cardiac rate, atrial and ventricular refractoriness, coronary blood flow, valvular function, and atrial natriuretic peptide secretion, and appears to be involved in the development of risky disorders of the human heart (Neely and Urthaler, 1992; Gulbenkian et al, 1993; Oki et al, 1994; Bernardi et al, 1994; van de Borne et al, 1994; Ehlert et al, 1994; Zabel et al, 1994; Esler et al, 1995; Baumgart and Heusch, 1995; Schuessler et al, 1996; Zucker, 1996; Chiou and Zipes, 1998; Beaulieu and Lambert, 1998; Stevens et al, 1998; Wen et al, 1998; Armour, 1999). Intrinsic neural pathways appear to be important in radiofrequency ablation of both supraventricular and atrioventricular nodal reentrant tachycardia because preganglionic and postganglionic nerve fibers disrupted in this way may be the determinant in occurrence of serious postsurgery complications, including complete atrioventricular block, ventricular fibrilation, and sudden death (Kocovic et al, 1993; Strickberger et al, 1996; Gaita et al, 1998; Psychari et al, 1998; Jinbo et al, 1998; Uchida et al, 1998). In human cardiac transplantation, the role of intracardiac nerves in the improvement of exercise capacity after transplantation and the development of coronary artery disease and arrhythmias is also considerable since heart transplantation failures may be chiefly associated both with cardiac denervation and reinnervation after cardiac transplantation (Mason et al, 1976; Fallen et al, 1988; Bernardi et al, 1994; Ramaekers et al, 1996; Constant et al, 1995; Armour, 1999; Bengel et al, 1999).…”

Assessment of the influence of radiofrequency catheter ablation of the slow pathway of the atrioventricular node on cardiac function in patients with atrioventricular nodal reentrant tachycardia: a speckle tracking echocardiography study

“…Elimination of AVNRT resulted in reduction of left and right atrial size, and exercise capacity improved significantly after RF ablation of AVNRT. [12] Duszanska et al [13] studied the alteration of left ventricle systolic and diastolic function in 25 patients with AVNRT after RF ablation, and reported that successful RF ablation of the slow atrioventricular conduction pathway in patients with AVNRT resulted in improvement in LV systolic and diastolic function six months after the procedure. Similarly, we found that atrial function improved after RF ablation, but we assessed cardiac function by STE-based measurements and in the short-term.…”

“…It is known that sinus rate increases after RF ablation. Jimpo et al [13] reported that the high frequency component of heart rate variability analysis, indicating parasympathetic activity, was significantly decreased immediately after RF ablation in the AVNRT. These alterations in heart rate variability analysis returned to the control level after one week or more.…”