Effect of trimetazidine on late potentials after acute myocardial infarction.

Abstract:

:The purpose of this study was to evaluate the effect of trimetazidine on late potentials in patients with acute myocardial infarction. A total of 60 patients (52 males, mean age 55 +/- 2 years, and 8 females, mean age 54 +/- 1.8 years) with the diagnosis of acute myocardial infarction were included in this study. The study was designed as a randomized, double-blinded, and placebo-controlled trial. Signal-averaged electrocardiography and echocardiography were performed during the first 2 days of acute myocardial infarction and were repeated between days of 8 and 15 (mean 11). Patients were treated with trimetazidine (n = 30) or placebo (n = 30). In the placebo group, the total filtered QRS duration and low-amplitude terminal signal duration increased (from 102.7 +/- 1.8 ms to 113.3 +/- 1.8 ms, and from 32.2 +/- 0.9 ms to 38.3 +/- 1.1 ms; P < 0.001), the root mean square voltage of the terminal 40 ms of the QRS decreased (from 28.6 +/- 2.1 microV to 21.4 +/- 1.3 microV; P < 0.001), and the incidence of late potentials increased (from 30% to 46%; P < 0.01) significantly. In the trimetazidine group, these measurements were a decrease from 102.9 +/- 1.9 ms to 100 +/- 2.0 ms (NS), an increase from 31.6 +/- 0.9 ms to 32.5 +/- 0.9 ms (NS), a decrease 9.3 +/- 2.0 microV to 27.3 +/- 1.8 microV (P < 0.01), and a decrease from 33% to 30% (NS), respectively. The ejection fraction was 47.1 +/- 1.3% to 50.8 +/- 1.2% in the placebo group (P = 0.05), and 48.1 +/- 1.1% to 53.4 +/- 1.2% (P < 0.01) in the trimetazidine group. It is concluded that trimetazidine reduces late potentials after acute myocardial infarction without changing blood pressure and heart rate.

journal_name

Cardiovasc Drugs Ther

authors

Ozdemir R,Tuncer C,Aladag M,Güven A,Sezgin AT,Pekdemir H,Korkmaz ME,Müderrisoglu H

doi

10.1023/a:1007740311072

subject

Has Abstract

pub_date

1999-04-01 00:00:00

pages

145-9

issue

2

eissn

0920-3206

issn

1573-7241

journal_volume

13

pub_type

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