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[High frequency catheter ablation of left-sided manifest accessory conduction pathways during sinus rhythm and in continuous atrial fibrillation]. 1994

X Chen, and G Hindricks, and H Kottkamp, and S Willems, and W Haverkamp, and M Borggrefe, and G Breithardt
Medizinische Klinik und Poliklinik, Westfälische Wilhelms-Universität Münster.

Atrial fibrillation is frequently initiated during radiofrequency catheter ablation of accessory pathways. It has been generally believed that initiation of atrial fibrillation may complicate the localization of accessory pathway. Therefore, most centers currently perform cardioversion in order to continue the ablation session. The purpose of the present study was to assess the feasibility and the electrophysiologic criteria for successful radiofrequency catheter ablation of left sided accessory pathways during atrial fibrillation in patients with WPW-syndrome. Radiofrequency ablation was performed in 87 patients with left-sided manifest accessory pathways during atrial fibrillation (n = 16) or during sinus rhythm (n = 71). The criteria for localization of accessory pathways were recording of stable accessory pathway potentials, local ventricular activation preceding the onset of the intrinsic flection of the unipolar electrogram and a QS pattern of the unipolar electrogram. Overall, the accessory pathways were successfully interrupted in 85/87 patients (98%). During the first ablation procedure, abolishing of accessory pathways was achieved in 15 of 16 patients (94%) during atrial fibrillation compared to 64 of 71 patients (90%) during sinus rhythm (n.s.). The total procedure time and fluoro time was significantly shorter during atrial fibrillation than during sinus rhythm (161 +/- 91 min vs. 216 +/- 128 min, p < 0.05, and 31 +/- 24 vs. 41 +/- 26 min. p < 0.05, respectively). Thus, it is feasible and very effective to perform radiofrequency ablation of left-sided manifest accessory pathways during atrial fibrillation. Precise localization of accessory pathway during atrial fibrillation seems even easier than during sinus rhythm as indicated by shorter procedure and fluoro times in the atrial fibrillation group.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012008 Recurrence The return of a sign, symptom, or disease after a remission. Recrudescence,Relapse,Recrudescences,Recurrences,Relapses
D012086 Reoperation A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery. Revision, Joint,Revision, Surgical,Surgery, Repeat,Surgical Revision,Repeat Surgery,Revision Surgery,Joint Revision,Revision Surgeries,Surgery, Revision
D002304 Cardiac Pacing, Artificial Regulation of the rate of contraction of the heart muscles by an artificial pacemaker. Pacing, Cardiac, Artificial,Artificial Cardiac Pacing,Artificial Cardiac Pacings,Cardiac Pacings, Artificial,Pacing, Artificial Cardiac,Pacings, Artificial Cardiac
D002908 Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic
D003131 Combined Modality Therapy The treatment of a disease or condition by several different means simultaneously or sequentially. Chemoimmunotherapy, RADIOIMMUNOTHERAPY, chemoradiotherapy, cryochemotherapy, and SALVAGE THERAPY are seen most frequently, but their combinations with each other and surgery are also used. Multimodal Treatment,Therapy, Combined Modality,Combined Modality Therapies,Modality Therapies, Combined,Modality Therapy, Combined,Multimodal Treatments,Therapies, Combined Modality,Treatment, Multimodal,Treatments, Multimodal
D004554 Electric Countershock An electrical current applied to the HEART to terminate a CARDIAC ARRHYTHMIA. Cardiac Electroversion,Cardioversion,Defibrillation, Electric,Electroversion, Cardiac,Electrical Cardioversion,Electroversion Therapy,Therapy, Electroversion,Cardiac Electroversions,Cardioversion, Electrical,Cardioversions,Cardioversions, Electrical,Countershock, Electric,Countershocks, Electric,Defibrillations, Electric,Electric Countershocks,Electric Defibrillation,Electric Defibrillations,Electrical Cardioversions,Electroversion Therapies,Electroversions, Cardiac,Therapies, Electroversion
D005240 Feasibility Studies Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project. Feasibility Study,Studies, Feasibility,Study, Feasibility
D005260 Female Females

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