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  • Title: Randomized active-controlled study comparing effects of treatment with carvedilol versus metoprolol in patients with left ventricular dysfunction after acute myocardial infarction.
    Author: Mrdovic IB, Savic LZ, Perunicic JP, Asanin MR, Lasica RM, Jelena MM, Matic MD, Vasiljevic ZM, Ostojic MC.
    Journal: Am Heart J; 2007 Jul; 154(1):116-22. PubMed ID: 17584563.
    Abstract:
    BACKGROUND: Carvedilol has previously been demonstrated to be beneficial in patients with acute myocardial infarction (AMI) and left ventricular (LV) dysfunction. However, metoprolol has not to date been randomly evaluated in the same patient population. The objective of this study was to compare the effects of treatment with carvedilol versus metoprolol in patients with LV dysfunction after AMI. METHODS: The study enrolled 313 high-risk patients with anterior AMI and LV ejection fraction of <45%, randomly assigned to treatment with carvedilol or metoprolol. Patients were followed-up for a mean period of 13.4 months. The primary end point was time to composite adverse events (t-CAE). The secondary end points were time to composite hard events (t-CHE) and health-related quality of life. RESULTS: No differences were found either in the primary end point of t-CAE or in the secondary end point of t-CHE. A significant benefit was observed in 4 of 8 health-related quality of life domains in the carvedilol group, with fewer carvedilol group patients being withdrawn from therapy in the hospital. CONCLUSIONS: Treatment with carvedilol, in comparison to that with metoprolol in patients with AMI and LV dysfunction, did not differ significantly in regard to the primary end point of t-CAE or to the secondary end point of t-CHE but resulted in better long-term quality of life and favorable early safety profile.
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