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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
|
pubmed:dateCreated |
1991-3-1
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pubmed:abstractText |
Opioid antagonists have been shown to prevent the occurrence of lethal arrhythmias following coronary reperfusion. In this study, we have examined the effect of a new, long-lasting, potent opioid antagonist, nalmefene, and congeners in the prevention of reperfusion arrhythmias in dogs. Nalmefene given at a dose of 1 mg/kg i.v. reduced the incidence of reperfusion arrhythmias significantly when compared to the saline control. Neither N-methyl nalmefene, a quaternary analog that does not cross the blood brain barrier, nor (+) nalmefene, an isomer with no anti-opioid actions, provided any protection against reperfusion arrhythmias. Regional myocardial blood flow profiles, during and after coronary occlusion, were not different between the nalmefene- and saline-treated groups. We conclude that nalmefene prevents the occurrence of reperfusion-induced arrhythmias by blocking opioid receptors in the brain.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:issn |
0031-7012
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
41
|
pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
|
pubmed:pagination |
161-6
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:2277810-Animals,
pubmed-meshheading:2277810-Arrhythmias, Cardiac,
pubmed-meshheading:2277810-Coronary Circulation,
pubmed-meshheading:2277810-Dogs,
pubmed-meshheading:2277810-Female,
pubmed-meshheading:2277810-Injections, Intravenous,
pubmed-meshheading:2277810-Male,
pubmed-meshheading:2277810-Myocardial Reperfusion,
pubmed-meshheading:2277810-Naltrexone,
pubmed-meshheading:2277810-Narcotic Antagonists,
pubmed-meshheading:2277810-Premedication,
pubmed-meshheading:2277810-Time Factors,
pubmed-meshheading:2277810-Ventricular Function, Left
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pubmed:year |
1990
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pubmed:articleTitle |
Actions of the opioid antagonist, nalmefene, and congeners on reperfusion cardiac arrhythmias and regional left coronary blood flow.
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pubmed:affiliation |
Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta.
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pubmed:publicationType |
Journal Article,
Comparative Study
|