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  • Title: ST segment elevation at 72 hours in patients with a first anterior myocardial infarction best correlates with pre-discharge and 1-year regional contractility and ventricular dilatation.
    Author: Cortadellas J, Figueras J, Missorici M, Domingo E, Rodés J, Castell J, Soler Soler J.
    Journal: Eur Heart J; 2004 Feb; 25(3):224-31. PubMed ID: 14972423.
    Abstract:
    AIMS: To analyse the relationship between the in-hospital course of ST segment elevation (STE) and negative T wave (NTW) with ejection fraction, regional contractility and left ventricular end-diastolic volume at pre-discharge and at 1 year in patients with a first anterior STE acute myocardial infarction (AMI). METHODS AND RESULTS: ECG changes were measured during hospitalization and at 1 year whereas ejection fraction, regional contractility score and end-diastolic volume index were measured by isotopic ventriculography at pre-discharge and at 1 year. At 72h but not earlier patients with SigmaSTE >0.6mV (group A, n: 35) had a lower ejection fraction (P<0.001), a higher regional contractility score (P<0.001) and a larger end-diastolic volume index (P<0.001) at discharge than those with <0.6mV (group B, n: 26). Negative T wave did not provide additional information. At 1 year, group A continued to show a more impaired ejection fraction and regional contractility than group B and a larger end-diastolic volume. CONCLUSION: Although reportedly changes in STE within the first hours correlate with coronary reperfusion our findings indicate that additional assessment of STE as early as at 72h correlates with wall motion, ejection fraction and ventricular dilatation at discharge and at 1 year.
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