PROPHYLACTIC TOCAINIDE OR LIDOCAINE IN ACUTE MYOCARDIAL-INFARCTION

被引:8
作者
KEEFE, DL
WILLIAMS, S
TORRES, V
FLOWERS, D
SOMBERG, JC
机构
[1] BRONX MUNICIPAL HOSP CTR, PELHAM PKWY S & EASTCHESTER RD, BLDG J, ROOM 5E2, BRONX, NY 10461 USA
[2] YESHIVA UNIV ALBERT EINSTEIN COLL MED, DEPT MED, DIV CARDIOL, BRONX, NY 10461 USA
[3] YESHIVA UNIV ALBERT EINSTEIN COLL MED, DEPT PHARMACOL, BRONX, NY 10461 USA
关键词
D O I
10.1016/0002-9149(86)90829-5
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Twenty-nine patients with acute myocardial infarction (AMI) were studied in a randomized double-blind trial of intravenous lidocaine and tocainide, followed by either oral tocainide or placebo without regard to previous therapy, for the prophylaxis of arrhythmias associated with acute infarction. No patient had symptomatic ventricular tachycardia or fibrillation, although 1 patient taking lidocaine was withdrawn from therapy because of breakthrough arrhythmias. One patient in each group died from mechanical complications of AMI. Tocainide was administered to 16 patients and lidocaine to 13. Seven of the 13 patients receiving lidocaine had ventricular tachycardia or accelerated idioventricular rhythm, compared with 2 of 16 receiving tocainide (p < 0.05). Adverse effects were noted in 11 of the 13 patients receiving lidocaine and 6 of the 16 patients receiving tocainide. The infusions used provided therapeutic levels of lidocaine or tocainide and the transition to oral tocainide was accomplished safely with maintenance of therapeutic anti-arrhythmic levels. Thus, tocainide appears to be at least as efficacious and may be safer than lidocaine for the prophylaxis of ventricular arrhythmias associated with AMI. The transition to oral tocainide is well tolerated and can be accomplished with minimal difficulty.
引用
收藏
页码:527 / 531
页数:5
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