INCIDENCE OF ATRIAL-FIBRILLATION FOLLOWING VENTRICULAR DEFIBRILLATION WITH TRANSVENOUS LEAD SYSTEMS IN MAN

被引：11

作者：

JONES, GK ^{[1
]}

JOHNSON, G ^{[1
]}

TROUTMAN, C ^{[1
]}

BUONO, G ^{[1
]}

GARTMAN, DM ^{[1
]}

KUDENCHUK, PJ ^{[1
]}

POOLE, JE ^{[1
]}

DOLACK, GL ^{[1
]}

BARDY, GH ^{[1
]}

机构：

[1] UNIV WASHINGTON,DEPT MED,DIV CARDIOL,MAIL STOP RG-22,SEATTLE,WA 98195

来源：

JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY | 1992年 / 3卷 / 05期

关键词：

ATRIAL FIBRILLATION; CARDIOVERSION; DEFIBRILLATION; VENTRICULAR FIBRILLATION; VENTRICULAR TACHYCARDIA;

D O I：

10.1111/j.1540-8167.1992.tb00983.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Atrial Fibrillation After Ventricular Defibrillation. Introduction: The induction of atrial fibrillation (AF) following implantable defibrillator therapy of ventricular fibrillation carries multiple risks. The frequency of shock-induced AF may be more problematic in patients with transvenous defibrillators because current is often delivered through atrial tissue. Thus, the purpose of this study was to determine the incidence of AF following transvenous ventricular defibrillation. Methods and Results: Atrial electrograms were recorded before and after energy delivery in patients undergoing intraoperative testing of transvenous defibrillation lead systems. A total of 114 tracings were examined from 21 patients following ventricular defibrillation. Transvenous defibrillation shock strength ranged between 200-800 volts (2-40 joules). Bipolar atrial electrograms were obtained from atrial electrodes with 1-cm interelectrode spacing located on one of the defibrillation catheters. The timing of the ventricular defibrillation shock was expressed as a percentage of the preceding sinus PP interval. Three of the 114 transvenous shocks (2.6%) generated AF. Each episode of AF occurred in a different patient. The shocks responsible for AF occurred at 21%, 43%, and 84% of the preceding sinus PP interval. No relation was found between AF induction and the timing of pulse delivery, pulse strength, or pulse number. Conclusion: We conclude that transvenous ventricular defibrillation infrequently causes AF and that timing shock delivery to the atrial cycle is likely to be of marginal or no benefit in the prevention of shock-induced AF.

引用

页码：411 / 417

页数：7

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