Association between infectious burden, socioeconomic status, and ischemic stroke

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Palm , F , Pussinen , P J , Aigner , A , Becher , H , Buggle , F , Bauer , M F , Grond-Ginsbach , C , Safer , A , Urbanek , C & Grau , A J 2016 , ' Association between infectious burden, socioeconomic status, and ischemic stroke ' , Atherosclerosis , vol. 254 , pp. 117-123 .

Title: Association between infectious burden, socioeconomic status, and ischemic stroke
Author: Palm, Frederick; Pussinen, Pirkko J.; Aigner, Annette; Becher, Heiko; Buggle, Florian; Bauer, Matthias F.; Grond-Ginsbach, Caspar; Safer, Anton; Urbanek, Christian; Grau, Armin J.
Contributor organization: Clinicum
Department of Oral and Maxillofacial Diseases
Date: 2016-11
Language: eng
Number of pages: 7
Belongs to series: Atherosclerosis
ISSN: 0021-9150
Abstract: Background and aims: Infectious diseases contribute to stroke risk, and are associated with socioeconomic status (SES). We tested the hypotheses that the aggregate burden of infections increases the risk of ischemic stroke (IS) and partly explains the association between low SES and ischemic stroke. Methods: In a case-control study with 470 ischemic stroke patients and 809 age- and sex-matched controls, randomly selected from the population, antibodies against the periodontal microbial agents Aggregatibacter actinomycetemcomitans and Porphyromonas gingivalis, against Chlamydia pneumonia, Mycoplasma pneumoniae (IgA and IgG), and CagA-positive Helicobacter pylori (IgG) were assessed. Results: IgA seropositivity to two microbial agents was significantly associated with IS after adjustment for SES (OR 1.45 95% CI 1.01-2.08), but not in the fully adjusted model (OR 1.32 95% CI 0.86-2.02). By trend, cumulative IgA seropositivity was associated with stroke due to large vessel disease (LVD) after full adjustment (OR 1.88, 95% CI 0.96e3.69). Disadvantageous childhood SES was associated with higher cumulative seropositivity in univariable analyses, however, its strong impact on stroke risk was not influenced by seroepidemiological data in the multivariable model. The strong association between adulthood SES and stroke was rendered nonsignificant when factors of dental care were adjusted for. Conclusions: Infectious burden assessed with five microbial agents did not independently contribute to ischemic stroke consistently, but may contribute to stroke due to LVD. High infectious burden may not explain the association between childhood SES and stroke risk. Lifestyle factors that include dental negligence may contribute to the association between disadvantageous adulthood SES and stroke. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
Subject: Ischemic stroke
Large vessel disease
Socioeconomic status
3142 Public health care science, environmental and occupational health
3112 Neurosciences
313 Dentistry
Peer reviewed: Yes
Usage restriction: openAccess
Self-archived version: publishedVersion

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