Document Detail

Helicobacter species in the atherosclerotic plaques of patients with coronary artery disease.
MedLine Citation:
PMID:  22104005     Owner:  NLM     Status:  Publisher    
INTRODUCTION: Several epidemiological studies have proposed an association between Helicobacter pylori infection and coronary artery disease. In the current study, we aimed to evaluate the prevalence and relevance of H. pylori infection, using polymerase chain reaction (PCR) methods, in the coronary arterial wall of Iranian patients who have already undergone coronary bypass grafting (CABG). METHODS: A total of 105 consecutive patients who underwent CABG at the Department of Cardiovascular Surgery of Baqiyatallah University of Medical Sciences were included in the study, and biopsy specimens from their coronary plaques were taken and analyzed using the PCR methods for detecting Helicobacter species (H Spp.). Fifty-three specimens from biopsies of the left internal mamillary artery in the same patients were also collected and tested. RESULTS: H. Spp. PCR test result was positive for 31 (29.5%) specimens from coronary artery atherosclerotic plaques. Serologic test results also showed 25 (23.8%) positive cases for H. pylrori immunoglobulin A (IgA) and 56 (53.3%) positive for anti-H. pylori immunoglobulin G. None of the specimens from the mamillary artery were positive for H Spp. genome when it was evaluated using PCR (P<.0001). Patients with positive test result for H. pylori IgA were significantly more likely to have higher total cholesterol and low-density lipoprotein (LDL) levels than IgA-negative patients. CONCLUSION: H Spp. infection replication in the coronary arterial wall is associated with atherosclerotic plaque formation. Seropositivity for H. pylori IgA may also enhance blood values of total cholesterol and LDL in these patients.
Morteza Izadi; Mojgan Fazel; Seyed Hossein Sharubandi; Seyed Hassan Saadat; Maryam Moshkani Farahani; Mohammad Hassan Nasseri; Hossein Dabiri; Reza Safiaryan; Ali Akbar Esfahani; Ali Ahmadi; Nematollah Jonaidi Jafari; Reza Ranjbar; Saeed-Reza Jamali-Moghaddam; Davood Kazemi-Saleh; Mohammad Hassan Kalantar-Motamed; Saeed Taheri
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-18
Journal Detail:
Title:  Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology     Volume:  -     ISSN:  1879-1336     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9212060     Medline TA:  Cardiovasc Pathol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Crown Copyright © 2011. Published by Elsevier Inc. All rights reserved.
Health Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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