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Association between Chlamydophila pneumoniae infection and risk of coronary heart disease for Japanese: The JPHC study.
MedLine Citation:
PMID:  24530959     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Chlamydophila pneumoniae infection is considered a risk factor for atherosclerosis and coronary heart disease in western countries. However, evidence of it being a risk for Japanese is very limited because of a lower risk of coronary heart disease than for western people. The aim of this study was to examine further the association between C. pneumoniae infection and risk of coronary heart disease in Japanese.
METHODS: We conducted a nested case-control study of 49,011 Japanese men and women who participated in The Japan Public Health Center (JPHC) study. By the end of 2004, 196 cases of coronary heart disease and 155 cases of myocardial infarction had been documented among the participants. Two controls were selected for each case. For these subjects, we examined the association between serum anti C. pneumoniae IgA and IgG on the one hand and risk of coronary heart disease on the other.
RESULTS: Concentration of C. pneumoniae IgA antibody was positively associated with risk of coronary heart disease and more specifically myocardial infarction. Subjects with the highest quartile of IgA antibody showed 2.29 (95%CI, 1.21-4.33) times higher risk of coronary heart disease and 2.58 (95%CI, 1.29-5.19) times higher risk of myocardial infarction than those with lowest quartile. However, no such association was detected for IgG antibody.
CONCLUSION: C. pneumoniae infection was found to be positively associated with risk of coronary heart disease.
Authors:
Naomi Sakurai-Komada; Hiroyasu Iso; Kazuko A Koike; Ai Ikeda; Mitsumasa Umesawa; Satoyo Ikehara; Manami Inoue; Shoichiro Tsugane
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-23
Journal Detail:
Title:  Atherosclerosis     Volume:  233     ISSN:  1879-1484     ISO Abbreviation:  Atherosclerosis     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-2-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0242543     Medline TA:  Atherosclerosis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  338-342     Citation Subset:  -    
Copyright Information:
Copyright © 2014. Published by Elsevier Ireland Ltd.
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