Radiofrequency catheter ablation of common atrial flutter in 200 patients.

Introduction: The purpose of this study was to evaluate the efficacy and safety of radiofrequency (RF) catheter ablation of common atrial flutter and to determine the optimum target sites in a large series of patients. Three different approaches were used to target the ablation site. The first used a combined anatomic and electrophysiologic approach, whereas the second and the third approaches relied primarily on anatomic guidelines to target the critical area in the atrial flutter reentrant circuit located in the low right atrium.

[Survival after His bundle ablation for supraventricular arrhythmia. A 10-years experience in 317 consecutive patients].

Survival after His bundle ablation for supraventricular arrhythmias was analysed over 10 years (May 1982 to December 1992) in 312 consecutive patients (5 were lost to follow-up): 54 died (17.3%), 13 of sudden death (24%). The survival rates were 94.

Radiofrequency catheter ablation of common atrial flutter in 80 patients.

Objectives: The purpose of this study was to evaluate the efficacy and safety of radiofrequency catheter ablation of common atrial flutter and to determine the optimal target sites in a large series of patients.

Background: Recent studies report the efficacy of radiofrequency current application in the low right atrial region to interrupt and prevent recurrences of common atrial flutter. However, larger groups of patients are required to confirm the efficacy of this technique and to specify the target sites.

Characteristics of the ventricular insertion sites of accessory pathways with anterograde decremental conduction properties.

Background: Accessory pathways (APs) with anterograde decremental conduction properties referred to as Mahaim fibers have recently been recognized as originating from the right lateral atrium. Little information is available about their distal insertion. The purpose of this study was to determine the different kinds of APs involved and the characteristics of their distal insertion site.

[Practical experience of specific catheter ablation of atrial flutter in 110 patients].

The object of this study was to assess the efficacy and risks of radiofrequency ablation of common atrial flutter and to determine the optimal site of ablation in a large population of patients. Three different methods were used to determine the site of ablation: the first was anatomical and electrophysiological whilst the two others were based essentially on anatomical landmarks for localising the critical zone of the reentry circuit. Recent studies report that radiofrequency ablation is effective in interrupting and preventing recurrences of common atrial flutter both by using anatomical and electrophysiological methods.