PMID- 20864196 OWN - NLM STAT- MEDLINE DCOM- 20120820 LR - 20181201 IS - 1874-1754 (Electronic) IS - 0167-5273 (Linking) VI - 153 IP - 3 DP - 2011 Dec 15 TI - Carvedilol administration in acute myocardial infarction results in stronger inhibition of early markers of left ventricular remodeling than metoprolol. PG - 256-61 LID - 10.1016/j.ijcard.2010.08.018 [doi] AB - BACKGROUND: The structural secuelae of acute myocardial infarction (AMI) is mostly dictated by left ventricular (LV) remodelling, leading to heart failure. Monocyte chemoattractant protein-1 (MCP-1), matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) play a critical role in LV remodelling. beta-blockers are first line therapy for AMI and heart failure; however, the mechanisms responsible for their benefits remain poorly understood. Different beta-blocker agents have been shown to exert beneficial activities both in AMI and heart failure, however, their role in early remodelling after ischemia/reperfusion is to be fully elucidated. We sought to compare the effect of 2 of the most prescribed beta-blocker agents in early markers of LV remodelling after AMI. METHODS: A reperfused AMI was induced in Yorshire pigs, being randomized to early intravenous carvedilol, metoprolol or placebo. Twenty-four hours after reperfusion markers of early remodelling were addressed in the LV. RESULTS: The early administration of both beta-blockers is able to significantly reduce macrophage infiltration as well as the expression and activity of MCP-1 and MMP-2 compared to placebo. The effects of carvedilol were much stronger than those of metoprolol. Conversely, carvedilol upregulated the expression TIMP-2 to a greater extent than metoprolol. CONCLUSIONS: In an AMI model closely mimicking human pathophysiology, the early administration of carvedilol reduced the expression of markers associated with early LV remodelling to greater extent than metoprolol. These findings may explain the superior clinical benefits exerted by carvedilol in heart failure. CI - Copyright (c) 2010 Elsevier Ireland Ltd. All rights reserved. FAU - Cimmino, Giovanni AU - Cimmino G AD - Atherothrombosis Research Unit, Cardiovascular Institute, Mount Sinai School of Medicine, New York, NY 10029, USA. FAU - Ibanez, Borja AU - Ibanez B FAU - Giannarelli, Chiara AU - Giannarelli C FAU - Prat-Gonzalez, Susanna AU - Prat-Gonzalez S FAU - Hutter, Randolph AU - Hutter R FAU - Garcia, Mario AU - Garcia M FAU - Sanz, Javier AU - Sanz J FAU - Fuster, Valentin AU - Fuster V FAU - Badimon, Juan J AU - Badimon JJ LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20100922 PL - Netherlands TA - Int J Cardiol JT - International journal of cardiology JID - 8200291 RN - 0 (Biomarkers) RN - 0 (Carbazoles) RN - 0 (Propanolamines) RN - 0K47UL67F2 (Carvedilol) RN - GEB06NHM23 (Metoprolol) SB - IM MH - Animals MH - Biomarkers/metabolism MH - Carbazoles/pharmacology/*therapeutic use MH - Carvedilol MH - Down-Regulation/*drug effects MH - Metoprolol/pharmacology/*therapeutic use MH - Myocardial Infarction/*drug therapy/metabolism/pathology MH - Propanolamines/pharmacology/*therapeutic use MH - Random Allocation MH - Swine MH - Ventricular Remodeling/*drug effects/physiology EDAT- 2010/09/25 06:00 MHDA- 2012/08/21 06:00 CRDT- 2010/09/25 06:00 PHST- 2010/01/12 00:00 [received] PHST- 2010/07/20 00:00 [revised] PHST- 2010/08/08 00:00 [accepted] PHST- 2010/09/25 06:00 [entrez] PHST- 2010/09/25 06:00 [pubmed] PHST- 2012/08/21 06:00 [medline] AID - S0167-5273(10)00608-X [pii] AID - 10.1016/j.ijcard.2010.08.018 [doi] PST - ppublish SO - Int J Cardiol. 2011 Dec 15;153(3):256-61. doi: 10.1016/j.ijcard.2010.08.018. Epub 2010 Sep 22.