Influence of Atrioventricular Nodal Reentrant Tachycardia Ablation on Right to Left Inter-atrial Conduction

Eksik, Abdurrahman and Akyol, Ahmet and Norgaz, Tugrul and Erdinler, Izzet (2005) Influence of Atrioventricular Nodal Reentrant Tachycardia Ablation on Right to Left Inter-atrial Conduction. [Journal (Paginated)]

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Background: Radiofrequency (RF) catheter ablation is the procedure of choice for the potential cure of atrioventricular nodal reentrant tachycardia (AVNRT) with high success rates. We hypothesed that as a result of the close proximity of Koch’s triangle and low inter-atrial septal fibers, the RF ablation applied at this region may result in prolongation of inter-atrial conduction time (IACT). Methods: RF ablation of AVNRT was performed by conventional technique. IACT was measured before and 20 minutes after RF ablation during sinus rhythm. Number of ablations given and duration of ablation were noted. Results: The study group was consisted of 48 patients (36 [75%] female, 12 [25%] male, mean age 43.4 ± 14. 5 years). RF ablation was successful in all patients. Mean RF time was 4. 0 ± 3. 3 minutes and mean number of RF was 11. 9 ± 9, 8. The mean IACT was 70.1 ± 9.0 ms before ablation and 84.9 ± 12.7 ms after ablation, which demonstrated a significant prolongation (p<0.001). The prolongation of IACT was very well correlated with the number of (r=0.897, p<0.001) and duration of RF (r=0.779; p<0.001). Conclusions: RF ablation of AVNRT results in prolongation of IACT. The degree of prolongation is associated with the duration and number of RF ablations given. The relationship between this conduction delay and late arrhythmogenesis need to be evaluated.

Item Type:Journal (Paginated)
Keywords:RF ablation; AVNRT; inter-atrial conduction time
Subjects:JOURNALS > Indian Pacing and Electrophysiology Journal
ID Code:4594
Deposited By: Indian Pacing and Electrophysiology, Journal
Deposited On:12 Nov 2005
Last Modified:11 Mar 2011 08:56

References in Article

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1. Fatemi M, Kirkorian G, Chevalier P, et al. Influence of atrial flutter ablation on right to left inter-atrial conduction. Europace 2001;3:64-72

2. Denes P,Wu D,Dhingra RC,Chuquimia R ,Rosen KM. Demonstration of dual A-V nodal pathways in patients with paroxysmal supraventricular tachycardia .Circulation 1973;48:549-55

3. Kuo CT, Lin KH, Cheng NJ , Chu PH, Hsu TS, Chiang CW, et al. Characterization of atrioventricular nodal reentry with continuous atrioventricular node conduction curve by double atrial extrastimulation . Circulation 1999;99:659-665

4. Kay GN, Epstein AE,Dailey SM, Plumb VJ. Selective radiofrequency ablation of the slow pathway for the treatment of atrioventricular nodal reentrant tachy cardia. Circulation 1992;85:1675-1688

5. Jackmann WM, Beckman KJ, McClelland JH, Wang X, Friday KJ, Roman CA, et al. Ttreatment of supraventricular tachycardia due to atrioventricular nodal reentry by radiofrequency catheter ablation of slow pathway conduction . N Engl J Med 1992;327:313-318

6. James TN.Morphology of the human atrioventricular node, with remarks pertinent to its electrophysiology.Am Heart J 1961;62:756-771

7. Dean JW, Ho SY, Rowland E,et al.Clinical anatomy of the atrioventricular junctions.J Am Coll Cardiol 1994;24:1725-1731

8. Widran J, Lev M.The dissection of the atrioventricular node, bundle branches in the human heart.Circulation 1951;4:863-867.

9. McGuire MA, Johnson DC, Robotion M, et al.Dimensions of the triang.le of Koch in humans.Am J Cardiol 1992;70:829-830.

10. Inoue S, Becker AE.Koch’s triangle sized up:anatomical landmarks in perspective of catheter ablation procedures. Pacing Clin Electrophysiol 1998;21:1553-1558

11. Ueng KC, Chen SA, Chiang CE, et al.Dimension and related anatomical distance of Koch’s triangle in patients with atrioventricular nodal reentrant tachycardia.J Cardiovasc Electrophysiol 1996;7:1017-1023.

12. Sanchez-Quintana D, Davies DW, Ho SY, et al.Architecture of the atrial musculature in and around the triangle of Koch:its potential relevance to atrioventricular nodal reentry.J Cardiovasc Electrophysiol 1997;8:1396-1407.

13. Doig JC, Saito J, Haris L, et al.Coronary sinus morphology in patients with atrioventricular junctional reentry tachycardia and other supraventricular tachyarrhythmias.Circulation 1995;92:436-441.

14. Akhtar M, Jazayeri MR, Sra J, et al. Atrioventricular nodal reentry: clinical electrophysiological, and therapeutic considerations.Circulation 1993;88:282-295

15. Josephson ME.Clinical cardiac electrophysiology:techniques and interpretataions: a textbook of cardiac electrophysiology,3th edition.Philadelphia:Lippincott Williams & Wilkins,2002:25-27

16. Canavan TE, Schuessler RB, Boineau JP, Corr PB, Cain ME, Cox JL, et al.Computerized global electrophysiological mapping of the atrium in patients with Wolf-Parkinson –White syndrome.Ann Thorac Surg 1988;46:223-31.

17. Boineau JP, Canavan TE, Schuessler RB,Cain ME, Corr PB,Cox JL, et al. Demonstration of a widely distributed atrial pacemaker complex in the human heart.Circulation 1988;39:634-640.

18. Durrer D, Van Dam RT, Freud GE,et al.Total excitation of the isolated human heart. Circulation 1970;41:899-912.

19. Ho SY, Sanchez-Quintana D, Cabrera JA, et al.Anatomy of the left atrium: Implications for radiofrequency ablation of atrial fibrillation. J Cardiovasc Electrophysiol 1999;10:1525-1533

20. Scheinman MM, Yang Y. Electroanatomic analysis of sinus impulse propagation in normal human atria. J Cardiovasc Electrophysiol. 2002; 13: 11–12.

21. Markides V, Schilling RJ, Ho SY, et al.Characterization of left atrial activation in the intact human heart.Circulation.2003;107:733-739.

22. Sun H, Velipasaoglu EO, Wu DE et al. Simultaneous multisite mapping of the right and the left atrial septum in the canine intact beating heart. Circulation 1999;100: 312-9.


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