© 1999 by European Society of Cardiology
Report of a study group on ablate and pace therapy for paroxysmal atrial fibrillation*
Atrioventricular junctional (AVJ) catheter ablation followed by pacemaker implantation is now widely accepted for patients affected by paroxysmal atrial fibrillation (PAF) not controlled by antiarrhythmic drugs. However, few data exist on its indications, optimal methodology and complications. Therefore a study group examined current practice in Europe and North America, using a questionnaire, followed by a Study Group Meeting to discuss the results. Based upon this, class I, class II and class III indications were proposed. Class I indications (for which general agreement existed) include drug-refractory PAF, correlating with important symptoms, the bradycardia–tachycardia syndrome already treated with a pacemaker, and continued PAF. Large differences exist in the current methodology, but consensus was reached on the technical approaches of right and left-sided AVJ ablation, and on the timing of pacemaker implant in relation to ablation. No complete agreement was reached on technical features such as catheter choice and heparin use. The recommended pacing mode was DDDR with mode switching.
Key Words: Paroxysmal atrial fibrillation, atrioventricular junctional ablation, dual chamber pacing, mode switching
Correspondence: Dr Michael D. Gammage, Department of Cardiovascular Medicine, University of Birmingham and Queen Elizabeth Hospital, Edgbaston, Birmingham B15 2TH, U.K.
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