Atrial rhythm after atrioventricular junctional ablation

The American Journal of Cardiology
M A MitchellJ P DiMarco

Abstract

Atrioventricular (AV) junctional ablation followed by pacemaker implantation is an established treatment for patients with refractory paroxysmal atrial arrhythmias. The stability of the underlying atrial rhythm after AV junctional ablation is unknown. This study evaluates the atrial rhythm after AV junctional ablation in 49 patients with medically refractory atrial arrhythmias. The group included 25 men and 24 women, of whom 36 had known structural heart disease. Paroxysmal atrial fibrillation was the primary rhythm disturbance in 41 patients, whereas 8 manifested either atrial tachycardias or atrial flutter. All patients had failed therapy with > or = 1 antiarrhythmic drug. Chronic pacing modes were DDIR or DDDR, with mode switching in 15 patients and VVIR in 34 patients. After AV junctional ablation, chronic antiarrhythmic drug therapy was prescribed in only 4 patients (8%). Routine electrocardiograms (ECGs; 6.5 +/- 6.1/patient) during long-term follow-up (18.6 +/- 15.6 months) showed that 7 patients (14%) had an atrial arrhythmia detected on all ECGs, 30 patients (61%) had sinus or atrial-paced rhythms on all recordings, and 12 patients (25%) had both atrial arrhythmias and sinus rhythm documented. Sinus or an atrial-paced r...Continue Reading

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Citations

Oct 30, 1998·Pacing and Clinical Electrophysiology : PACE·E M BuysJ H Kingma
Nov 15, 2000·International Journal of Cardiology·T LevyV Paul
Mar 15, 2008·Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology·Timothy R Betts
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