Document Detail


The effect of cocaine on myometrial contractile activity: basic mechanisms.
MedLine Citation:
PMID:  8857699     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Several clinical studies have reported an association between cocaine use in pregnancy and preterm labor. The mechanism by which cocaine exerts this effect is unclear. Although cocaine stimulates isolated myometrial contractile activity, results using whole animal models are conflicting. Although cocaine inhibits uterine neuronal and extraneuronal uptake of catecholamines and increases circulating levels of catecholamines in experimental animals, it is unlikely that facilitation of the alpha-adrenergic pathway is the sole mechanism of cocaine's action. Further investigation of possible indirect mechanisms of action including altered prostaglandin production, inhibition of beta-adrenergic response, and direct effects on intracellular calcium mobilization may lead to enhanced understanding of the clinical ramifications of cocaine use during pregnancy.
Authors:
M Monga
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Seminars in perinatology     Volume:  20     ISSN:  0146-0005     ISO Abbreviation:  Semin. Perinatol.     Publication Date:  1996 Apr 
Date Detail:
Created Date:  1997-01-02     Completed Date:  1997-01-02     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  7801132     Medline TA:  Semin Perinatol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  140-6     Citation Subset:  IM    
Affiliation:
Department Obstetrics, Gynecology, and Reproductive Sciences, University of Texas Health Science Center-Houston 77030, USA.
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MeSH Terms
Descriptor/Qualifier:
Animals
Catecholamines / physiology
Cocaine*
Female
Obstetric Labor, Premature / chemically induced*
Pregnancy
Signal Transduction / drug effects
Substance-Related Disorders*
Uterine Contraction / drug effects*
Vascular Resistance / drug effects
Vasoconstriction / drug effects
Chemical
Reg. No./Substance:
0/Catecholamines; 50-36-2/Cocaine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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