Journal
EXPERIMENTAL GERONTOLOGY
Volume 85, Issue -, Pages 112-117Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.exger.2016.10.001
Keywords
Cardiovascular risk factors; Microinflammation; Inflammatory markers; Elderly
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Funding
- Polish Ministry of Science and Higher Education [PBZ-MEIN-9/2/2006]
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Background: Age-related diseases, including cardiovascular diseases (CVD) may be stimulated by microinflammation, marked by increased level of IL-6 and high-sensitivity CRP (hsCRP). We aimed to investigate whether aging per se independently contributes to the microinflammation, in addition to traditional and novel CVD risk factors. Methods/results: The research sample included 4979 participants from PolSenior Study, aged over 65 years. The study consisted of three visits and included questionnaire survey, geriatric assessment and blood/urine sampling in 4101 participants (83.2% of the sample). Serum hsCRP and plasma IL-6 were measured in 4093 (99.8%) and 3895 (95.0%) subjects. Multiple logistic regression showed that advanced age (over 80 years), obesity, actual/former smoking, decreased HDL-cholesterol, chronic kidney disease (CID) and depression were associated with occurrence of increased level of IL-6 (>2.4 pg/ml). For hsCRP we found that advanced age, overweight/obesity, decreased HDL-cholesterol, actual/former smoking and CKD were associated with increased level of hsCRP (>3 mg/l), while high income and statins treatment were related to lower level of hsCRP. Conclusions: Microinflammation in the elderly is not fully explained by traditional and novel CVD risk factors. Active smoking, obesity and low HDL-cholesterol among traditional risk factors, along with CKD, depression and low income among novel risk factors, are the strongest determinants of microinflammation. Also we found that statin therapy decreases hsCRP levels, which indicates a potential role of inflammation in CVD as a target for intervention in the elderly (e.g. statin use). (C) 2016 Elsevier Inc. All rights reserved.
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