Document Detail


Increased peripheral circulating inflammatory cells and plasma inflammatory markers in patients with variant angina.
MedLine Citation:
PMID:  18607165     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Emerging data suggest that inflammation may play an important role in the pathogenesis of coronary artery disease. However, the relation of inflammatory status to coronary vasospasm has been less investigated in patients with variant angina (VA). PURPOSE: The aim of this study, therefore, was to determine peripheral circulating white blood cells as well as monocyte cells and plasma C-reactive protein (CRP) and interleukin-6 (IL-6) levels in patients with VA, and to compare patients with VA, stable coronary artery disease, and controls with angiographically normal coronary arteries. METHOD: Thirty-three consecutive patients with documented VA, 26 with stable coronary artery disease, and 22 normal controls (with angiographically normal coronary arteries) were involved in this study. The peripheral blood was taken, and white blood cells and monocyte cells were counted. The plasma concentrations of CRP and IL-6 were also evaluated by enzyme-linked immunosorbent assay (ELISA). RESULTS: The data showed that white blood cell counts and monocyte cell counts were significantly higher in patients of the VA group than in the other two groups (white blood cell counts: 7340+/-1893/mm vs. 6187+/-1748/mm vs. 5244+/-1532/mm, P<0.05, respectively; monocyte cell counts: 510+/-213/mm vs. 425+/-209/mm vs. 383+/-192/mm, P<0.05, respectively). Similarly, levels of plasma CRP and IL-6 were also significantly higher in patients of the VA group than in patients with stable coronary artery disease (CRP: 0.42+/-0.21 mg/l vs. 0.27+/-0.14 mg/l; IL-6: 10.4+/-1.0 pg/dl vs. 6.2+/-0.7 pg/dl, P<0.01, respectively), and patients with normal controls (CRP: 0.42+/-0.21 mg/l vs. 0.17+/-0.10 mg/l; IL-6: 10.4+/-1.0 pd/dl vs. 3.0+/-0.7 pg/dl, P<0.01, respectively). The multivariate analysis showed that CRP was the independent variable most strongly associated with VA. CONCLUSION: Taken together, these findings suggested that more chronic, severe inflammation might be involved in the pathogenesis of VA, manifested by increased counts of circulating inflammatory cells and elevated plasma levels of CRP and IL-6.
Authors:
Jian-Jun Li; Yu-Ping Zhang; Ping Yang; He-Song Zeng; Xue-Wen Qian; Chao-Yang Zhang; Chen-Gang Zhu; Jie Li; Jin-Long Nan
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Coronary artery disease     Volume:  19     ISSN:  0954-6928     ISO Abbreviation:  Coron. Artery Dis.     Publication Date:  2008 Aug 
Date Detail:
Created Date:  2008-07-08     Completed Date:  2008-11-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9011445     Medline TA:  Coron Artery Dis     Country:  England    
Other Details:
Languages:  eng     Pagination:  293-7     Citation Subset:  IM    
Affiliation:
Department of Cardiology, Fu Wai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, PR China. lijnjn@yahoo.com.cn
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MeSH Terms
Descriptor/Qualifier:
Adult
Angina Pectoris, Variant / blood,  physiopathology*
Biological Markers / blood
C-Reactive Protein / analysis,  metabolism*
Case-Control Studies
Coronary Angiography
Coronary Vasospasm / blood
Enzyme-Linked Immunosorbent Assay
Female
Humans
Inflammation / blood*
Interleukin-6 / blood*,  metabolism
Male
Middle Aged
Monocytes / metabolism
Multivariate Analysis
Chemical
Reg. No./Substance:
0/Biological Markers; 0/Interleukin-6; 9007-41-4/C-Reactive Protein

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


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