Radiofrequency ablation of atrioventricular nodal reentrant tachycardia: Mechanisms and recurrence rate

被引:0
作者
Pfeiffer D. [1 ]
Neugebauer A. [1 ]
Tebbenjohanns J. [1 ]
Schumacher B. [1 ]
Niehaus M. [1 ]
Rother T. [1 ]
Lüderitz B. [1 ]
机构
[1] Abt. Kardiologie/Angiologie, Med. Univ. Klin. und Poliklinik I, D-04103 Leipzig
来源
Zeitschrift für Kardiologie | 2000年 / 89卷 / Suppl 3期
关键词
AV nodal reentrant tachycardia; Catheter ablation; Supraventricular tachycardia;
D O I
10.1007/s003920070066
中图分类号
学科分类号
摘要
Radiofrequency catheter ablation is the treatment of choice in atrioventricular nodal reentrant tachycardia. Electrophysiologic investigations in 623 patients revealed eight mechanisms of tachycardia ablation: Ablation of fast (I) or slow (II), modification of fast (III) or slow AV nodal pathways (IV), modification of both pathways (V), ablation of fast and modification of slow (VI), ablation of slow and modification of fast pathways (VII) and ablation of both pathways (VIII). The criteria of diagnosis of these eight mechanisms of tachycardia ablation are described. Follow-up showed fewer relapses in patients with ablation (0-2 %) in comparison to patients with modification of a single AV nodal pathway (8-12 %). Alteration of both pathways includes an increasing risk of total AV nodal block, which occurred in 7 patients (1.1%). Detailed analysis of the mechanism of catheter ablation is recommended in all patients after radiofrequency current delivery for AV nodal reentrant tachycardia to estimate the risk of relapse during follow-up or development of total AV block in the particular patient in case of a further ablation procedure.
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页码:III103 / III109
页数:6
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