JOURNAL ARTICLE

Correlation between infarct-related coronary artery patency and predischarge electrocardiographic patterns in patients with first anterior myocardial infarction who received thrombolytic therapy

Ramazan Atak, Mehmet Ileri, Kubilay Senen, Hasan Turhan, Ali Riza Erbay, Nurcan Basar, Ertan Yetkin, Deniz Demirkan
Heart and Vessels 2004, 19 (2): 63-7
15042389
The aim of this study was to investigate the correlation between the ST-segment and T-wave patterns in predischarge electrocardiogram and patency of left anterior descending coronary artery in patients with a first anterior myocardial infarction (AMI). One hundred and fifty-six of 175 consecutive patients who were admitted to our clinic between January 2000 and September 2002 due to a first episode of transmural AMI and who received thrombolytic therapy were enrolled. Coronary angiography was performed by the Judkins method on the 6th-10th day after the acute infarction. The corrected TIMI frame count (CTFC) was estimated according to the previously described method. According to the combination of the ST-segment and T-wave morphology on the day (6-10) of cardiac catheterization, patients were classified into four groups: group A, ST elevation <0.1 mV and negative T waves; group B, ST elevation >or=0.1 mV and negative T waves; group C, ST elevation <0.1 mV and positive T waves; and group D, ST elevation >or=0.1 mV and positive T waves. Of the 99 patients with negative T waves, 47 (48%) had CTFC <or=27, 32 (32%) CTFC between 27 and 40, 15 (15%) CTFC >or=40-100, and 5 (5%) CTFC >100. Of the 57 patients with positive T waves, CTFC was <or=27 in 14 (25%), between 27 and 40 in 17 (30%), >or=40-100 in 11 (19%), and >100 in 15 (26%) ( P < 0.001). From the 76 patients with an isoelectric ST segment, 38 (50%) had CTFC <or=27, 29 (38%) CTFC between 27 and 40, 8 (11%) CTFC >or=40-100, and 1 (1%) CTFC >100. Of the 80 patients with an elevated ST segment, 23 (29%) had CTFC <or=27, 20 (25%) CTFC between 27 and 40, 18 (23%) CTFC >or=40-100, and 19 (23%) CTFC >100 ( P < 0.001). Use of the combination of two electrocardiographic parameters (ST segment and T waves) also indicated that there were significant differences between groups A and D, and groups B and D ( P < 0.001 and P < 0.05, respectively). Development of an isoelectric ST segment with negative T waves may indicate a better degree of reperfusion after AMI. In contrast, patients in whom ST-segment elevation and positive T waves remain at discharge from the coronary care unit have a higher probability of a nonpatent left anterior descending artery.

Full Text Links

Find Full Text Links for this Article

Discussion

You are not logged in. Sign Up or Log In to join the discussion.

Related Papers

Remove bar
Read by QxMD icon Read
15042389
×

Save your favorite articles in one place with a free QxMD account.

×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"