Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1991-3-1
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.
pubmed:language
eng
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
pubmed:authorsComplete
Y
pubmed:pagination
161-6
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Actions of the opioid antagonist, nalmefene, and congeners on reperfusion cardiac arrhythmias and regional left coronary blood flow.
pubmed:affiliation
Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta.
pubmed:publicationType
Journal Article, Comparative Study