Document Detail


Intravenous pinacidil in the acute treatment of hypertension.
MedLine Citation:
PMID:  3308975     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Pinacidil (N''-cyano-N-4-pyridyls-N'-1,2,2-trimethyl-propyl guanidine, monohydrate), a recently developed direct-acting vasodilator, was given intravenously in a dosage of 0.1-0.2 mg/kg body weight to ten untreated hypertensive patients. Pinacidil caused a fall of blood pressure from 170/108 +/- 6/3 to 156/80 +/- 5/4 mm Hg (mean +/- SE). The proportional decrease of mean arterial pressure (MAP) was 13.7 +/- 1.6%. Together with the decrease of blood pressure an increase of heart rate by 29.7 +/- 6.2% occurred. The heart rate increased by 13.6 beats/min per 10 mm Hg decrease of MAP. Pinacidil also caused significant rise of plasma noradrenaline and plasma renin activity, whereas plasma adrenaline and aldosterone remained unchanged. The serum concentrations of pinacidil and its major metabolite pinacidil-N-oxide were within the expected limits. The authors conclude that intravenously administered pinacidil causes a rapid decrease of blood pressure, but at the cost of a considerable increase of heart rate, and thus does not offer advantages over other vasodilators.
Authors:
M C Rijk; T Thien
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of clinical pharmacology     Volume:  27     ISSN:  0091-2700     ISO Abbreviation:  J Clin Pharmacol     Publication Date:  1987 Jul 
Date Detail:
Created Date:  1987-11-10     Completed Date:  1987-11-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0366372     Medline TA:  J Clin Pharmacol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  468-74     Citation Subset:  IM    
Affiliation:
Department of Medicine, University Hospital, Nijmegen, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Antihypertensive Agents / administration & dosage,  therapeutic use*
Blood Pressure / drug effects
Epinephrine / blood
Female
Guanidines / administration & dosage,  therapeutic use*
Heart Rate / drug effects
Humans
Hypertension / drug therapy*
Injections, Intravenous
Male
Middle Aged
Norepinephrine / blood
Pinacidil
Renin / blood
Time Factors
Chemical
Reg. No./Substance:
0/Antihypertensive Agents; 0/Guanidines; 51-41-2/Norepinephrine; 51-43-4/Epinephrine; 85371-64-8/Pinacidil; EC 3.4.23.15/Renin

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


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