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  • Title: [Chlamydia pneumoniae--a new risk factor for calcific aortic stenosis?].
    Author: Kaden JJ, Haghi D, Vocke DC, Brueckmann M, Süselbeck T, Borggrefe M.
    Journal: Med Klin (Munich); 2005 Jun 15; 100(6):334-9. PubMed ID: 15968485.
    Abstract:
    BACKGROUND: Nonrheumatic, calcific aortic stenosis is the main heart valve disease and the main cause of heart valve replacement in the elderly. Recent studies suggest that it is based on a chronic inflammatory process. The pathogenetic mechanisms, however, are unclear. METHODS: A MEDLINE search was conducted for the phrases "chlamydia pneumoniae" and "aortic valve", and all articles published between 1966 and May 2004 were evaluated. Data presented as letter or congress abstract was also included. RESULTS: Clinical and histopathologic studies demonstrate an association of calcific aortic stenosis and cardiovascular risk factors similar to atherosclerosis. As for atherosclerosis, infection with Chlamydia (C.) pneumoniae is also discussed as a further potential risk factor for calcific aortic stenosis. Previous seroepidemiologic and pathologic studies using various detection methods yielded heterogeneous results. CONCLUSION: Thus, data suggesting a pathogenetic association of C. pneumoniae and calcific aortic stenosis should be interpreted cautiously.
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