| Levosimendan improves postresuscitation myocardial dysfunction after beta-adrenergic blockade. | |
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MedLine Citation:
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PMID: 16131457 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In earlier studies, we found that a nonselective beta-adrenergic blocking agent, propranolol, facilitated cardiac resuscitation, reduced postresuscitation myocardial ectopy, and improved postresuscitation survival. However, the potential adverse effects and specifically the negative inotropic actions of propranolol prompted our further investigation of the potential value of a non-beta-adrenergic inotropic drug, levosimendan, in conjunction with propranolol, for minimizing postresuscitation myocardial dysfunction after successful resuscitation from cardiac arrest. Ventricular fibrillation was induced and untreated for 7 minutes in 15 domestic pigs, which were divided into propranolol, propranolol plus levosimendan, and control groups. Propranolol was administered as a bolus dose of 0.1 mg/kg during cardiac arrest. Electrical defibrillation was attempted after 12 minutes of cardiac arrest including 5 minutes of precordial compression. Levosimendan was administered at 10 minutes after successful resuscitation in a dose of 20 microg/kg and followed by infusion of 0.4 microg/kg/min over the ensuing 220 minutes. Propranolol reduced energies or numbers of defibrillatory shocks and postresuscitation myocardial ectopy, and it improved postresuscitation myocardial dysfunction. When levosimendan was added, postresuscitation myocardial contractile function was improved even more. |
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Authors:
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Jinglan Wang; Max Harry Weil; Wanchun Tang; Shijie Sun; Lei Huang |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: The Journal of laboratory and clinical medicine Volume: 146 ISSN: 0022-2143 ISO Abbreviation: J. Lab. Clin. Med. Publication Date: 2005 Sep |
Date Detail:
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Created Date: 2005-08-31 Completed Date: 2005-09-26 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0375375 Medline TA: J Lab Clin Med Country: United States |
Other Details:
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Languages: eng Pagination: 179-83 Citation Subset: AIM; IM |
Affiliation:
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Institute of Critical Care Medicine, 35100 Bob Hope Drive, Rancho Mirage, CA 92270, USA. weilm@911research.org |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adrenergic beta-Antagonists
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pharmacology* Animals Blood Pressure / drug effects* Cardiopulmonary Resuscitation* Cardiotonic Agents / pharmacology* Drug Therapy, Combination Heart Arrest / physiopathology Heart Rate / drug effects* Hydrazones / pharmacology* Male Propranolol / pharmacology* Pyridazines / pharmacology* Swine |
| Grant Support | |
ID/Acronym/Agency:
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HL 54322/HL/NHLBI NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Adrenergic beta-Antagonists; 0/Cardiotonic Agents; 0/Hydrazones; 0/Pyridazines; 131741-08-7/simendan; 525-66-6/Propranolol |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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