Ontology highlight
ABSTRACT:
SUBMITTER: Baja ES
PROVIDER: S-EPMC2898862 | biostudies-literature | 2010 Jun
REPOSITORIES: biostudies-literature
Baja Emmanuel S ES Schwartz Joel D JD Wellenius Gregory A GA Coull Brent A BA Zanobetti Antonella A Vokonas Pantel S PS Suh Helen H HH
Environmental health perspectives 20100301 6
<h4>Background</h4>Acute exposure to ambient air pollution has been associated with acute changes in cardiac outcomes, often within hours of exposure.<h4>Objectives</h4>We examined the effects of air pollutants on heart-rate-corrected QT interval (QTc), an electrocardiographic marker of ventricular repolarization, and whether these associations were modified by participant characteristics and genetic polymorphisms related to oxidative stress.<h4>Methods</h4>We studied repeated measurements of QT ...[more]