Document Detail


Increased circulating endothelins are not of cardiopulmonary origin in heart failure patients.
MedLine Citation:
PMID:  16076689     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Plasma concentrations of endothelin-1 and big-endothelin are increased in heart failure patients. However, the precise contribution of endothelin secretion from the cardiopulmonary system remains unresolved. The aim of this study was to investigate whether the cardiopulmonary system contributes to the circulating endothelin-1 and big-endothelin concentrations in heart failure patients. MATERIAL AND METHODS: Blood samples were obtained at right heart catheterization from different cardiovascular regions including the coronary sinus in chronic heart failure patients (n=12) and from age-matched control subjects (n=12). RESULTS: The peripheral plasma concentrations of endothelin-1 were almost 3-fold higher in heart failure patients compared with the control subjects (1.25 pmol/l, 0.30-8.20 pmol/l (median, range) versus 0.46 pmol/l, 0.10-0.88 pmol/l, p<0.01). However, the endothelin-1 concentration was approximately 25% lower in plasma samples from the coronary sinus than in plasma from the inferior caval vein (p<0.05) in the heart failure patients. There were no differences in big-endothelin concentrations between any of the cardiovascular regions. CONCLUSIONS: In heart failure patients, increased plasma concentrations of endothelin-1 and big-endothelin mainly reflect an increased secretion from the peripheral endothelium.
Authors:
Y Z Wang; J P Goetze; R Videbaek; J F Rehfeld; J Kastrup
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian journal of clinical and laboratory investigation     Volume:  65     ISSN:  0036-5513     ISO Abbreviation:  Scand. J. Clin. Lab. Invest.     Publication Date:  2005  
Date Detail:
Created Date:  2005-08-03     Completed Date:  2005-10-05     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0404375     Medline TA:  Scand J Clin Lab Invest     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  341-7     Citation Subset:  IM    
Affiliation:
Medical Department B, Cardiac Catheterization Laboratory, the Heart Centre, and Department of Clinical Biochemistry, Copenhagen University Hospital, Rigshospitalet, Denmark. wang@rh.dk
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Cardiomyopathy, Dilated / blood
Coronary Vessels / metabolism*,  secretion
Endothelin-1 / blood*,  secretion
Endothelium, Vascular / metabolism*,  secretion
Female
Heart Catheterization
Heart Failure / blood*
Humans
Male
Middle Aged
Vena Cava, Inferior / metabolism*,  secretion
Ventricular Dysfunction, Left / blood
Chemical
Reg. No./Substance:
0/Endothelin-1

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