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Prevalence of Chlamydophila pneumoniae is higher in aorta and coronary artery than in carotid artery of coronary artery disease patients
Author(s) -
JHA HEM C.,
SRIVASTAVA PRAGYA,
DIVYA AABHA,
PRASAD JAGDISH,
MITTAL ARUNA
Publication year - 2009
Publication title -
apmis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.909
H-Index - 88
eISSN - 1600-0463
pISSN - 0903-4641
DOI - 10.1111/j.1600-0463.2009.02553.x
Subject(s) - cardiology , medicine , coronary artery disease , chlamydophila pneumoniae , aorta , carotid arteries , artery , chlamydiaceae , chlamydia , immunology
Jha HC, Srivastava P, Divya A, Prasad J, Mittal A. Prevalence of Chlamydophila pneumoniae is higher in aorta and coronary artery than in carotid artery of coronary artery disease patients. APMIS 2009; 117: 905–11. Coronary artery disease (CAD) is a public health problem accounting for an estimated one‐third of deaths overall. A potential link between infectious agents and atherosclerosis has been suggested. Data obtained from several seroepidemiological studies have suggested that infection with Chlamydiophila pneumoniae , Helicobacter pylori , cytomegalovirus and herpes simplex virus‐1 can initiate or maintain the atherosclerotic process. However, there is no single study in which multiple infectious agents have been detected together in different vascular locations in the same population. This would help in determining if there is any leading pathogen in atheromatous plaques of CAD patients. Hence, we screened for C. pneumoniae , H. pylori , CMV and HSV‐1 in different vascular locations of CAD patients using quantitative real‐time (RT) PCR. We performed multiplex RT‐PCR for detecting pathogens, viz. C. pneumoniae , H. pylori , CMV and HSV‐1 in different vascular locations of CAD patients. Percent positivity scores for C. pneumoniae , H. pylori , CMV and HSV‐1 in different vascular locations were as follows: aorta (64.7, 35.3, 11.7 and 11.7 respectively); carotid (27.2, 27.2, 9 and 0 respectively); coronary artery (58.3, 33.3, 16.6 and 8.3 respectively). Combined positivity for C. pneumoniae ( C. pneumoniae IgA and RT‐PCR for C. pneumoniae ) was the highest compared with all other groups. Aorta and coronary artery were more susceptible to these pathogens as compared with carotid artery. Moreover, CAD patients’ characteristics were associated with C. pneumoniae positivity ( C. pneumoniae IgA and RT‐PCR), suggesting thereby that C. pneumoniae may have caused chronic persistent infection in CAD.