Document Detail


The differential response in atrial natriuretic peptide release during exercise in patients with and without ischemic heart disease.
MedLine Citation:
PMID:  2969677     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The elevation of cardiac filling pressure induces the release of atrial natriuretic peptide into the circulation. Ischemia during exercise in patients with coronary artery disease may manifest itself with elevation of cardiac filling pressure before the onset of electrocardiographic changes or chest pain. Thus, patients with ischemic heart disease might have an elevated circulating atrial natriuretic peptide after exercise. The present study investigated the effect of exercise on circulating atrial natriuretic peptide in patients with and without ischemic heart diseases. Group 1 was composed of five patients who had ischemic heart disease by clinical history, previous myocardial infarction, angina or angiographically proven coronary artery disease and positive electrocardiogram during exercise. Group 2 was composed of five patients without ischemic heart disease and negative electrocardiogram response. Heart rate, blood pressure, and atrial natriuretic peptide were measured during routine treadmill exercise testing using the Bruce protocol. Our results indicate that the rate of rise of heart rate (12.3 +/- 1.8 vs. 8.5 +/- 0.7 beats/min/min), blood pressure (7.1 +/- 1 vs. 4.2 +/- 0.8 mm Hg/minute), and atrial natriuretic peptide (4.1 +/- 1 vs. 1.4 +/- 0.3 pg/ml/min) was significantly elevated in patients with ischemic heart disease compared to the group 2 patients. These findings suggest that the disproportionate elevation of atrial natriuretic peptide after exercise in ischemia may be caused by elevation of cardiac filling pressure, which may provide a noninvasive method for the diagnosis of ischemic heart disease.
Authors:
D C Hu; E F Wong; N L Wong
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of the medical sciences     Volume:  296     ISSN:  0002-9629     ISO Abbreviation:  Am. J. Med. Sci.     Publication Date:  1988 Aug 
Date Detail:
Created Date:  1988-09-08     Completed Date:  1988-09-08     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0370506     Medline TA:  Am J Med Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  111-3     Citation Subset:  AIM; IM    
Affiliation:
Department of Medicine, University of British Columbia, Vancouver, Canada.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Atrial Natriuretic Factor / metabolism*
Blood Pressure
Coronary Disease / metabolism*,  physiopathology
Electrocardiography
Female
Heart Rate
Humans
Male
Middle Aged
Physical Exertion*
Chemical
Reg. No./Substance:
85637-73-6/Atrial Natriuretic Factor

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


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