| Ambient source-specific particles are associated with prolonged repolarization and increased levels of inflammation in male coronary artery disease patients. | |
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MedLine Citation:
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PMID: 17603085 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Ambient particulate air pollution has been associated with altered cardiac function and systemic inflammation. We reported repolarization changes and variations in markers of inflammation in association with ambient particulate exposure in a panel of male coronary artery disease (CAD) patients. The objective of this analysis was to identify the specific sources associated with these effects. A panel of male CAD patients participated in 12 clinical visits in Erfurt, Germany. We used 56 patients' 5min ECG recordings for the analysis of repolarization parameters QT interval and T wave amplitude, and 57 patients' plasma samples to determine the biomarkers von Willebrand factor (vWF) and C-reactive protein (CRP). Linear and logistic regression models were used to analyze the associations between five particle source factors (airborne soil, local traffic-related ultrafine particles, combustion-generated aerosols, diesel traffic-related particles, and secondary aerosols) and these health parameters adjusting for trend, weekday and meteorological variables. An increase in QT interval and a decrease in T wave amplitude were observed in association with traffic-related particles exposure during 0-23h before the ECG recordings. The inflammatory marker vWF increased in association with both traffic-related particles and combustion-generated aerosols at different exposure lags. All source particles had positive associations with CRP levels above the 90th percentile (8.5mg/l). These results suggest that traffic-related and combustion-generated particles show stronger adverse health impact with regard to cardiac effects, and that particles from different sources induce an acute phase response in these patients. |
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Authors:
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Wei Yue; Alexandra Schneider; Matthias Stölzel; Regina Rückerl; Josef Cyrys; Xiaochuan Pan; Wojciech Zareba; Wolfgang Koenig; H-Erich Wichmann; Annette Peters |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. Date: 2007-03-01 |
Journal Detail:
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Title: Mutation research Volume: 621 ISSN: 0027-5107 ISO Abbreviation: Mutat. Res. Publication Date: 2007 Aug |
Date Detail:
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Created Date: 2007-07-16 Completed Date: 2007-09-14 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0400763 Medline TA: Mutat Res Country: Netherlands |
Other Details:
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Languages: eng Pagination: 50-60 Citation Subset: IM |
Affiliation:
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Institute of Epidemiology, GSF-National Research Center for Environment and Health, Neuherberg, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Biological Markers / blood C-Reactive Protein / analysis, metabolism* Coronary Artery Disease / blood, chemically induced*, complications Electrocardiography Humans Inhalation Exposure / analysis* Long QT Syndrome / blood, etiology* Male Particle Size Particulate Matter / toxicity* von Willebrand Factor / analysis, metabolism* |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 0/Particulate Matter; 0/von Willebrand Factor; 9007-41-4/C-Reactive Protein |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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