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Myocardial Ischaemia After Exposure to Diesel Exhaust — MIDAS  

Coronary Heart Disease Clinical Trial

Official title:
Myocardial Ischaemia After Exposure to Diesel Exhaust

Clinical Trial Summary

Exposure to particulate air pollution is associated with increases in cardiovascular mortality and morbidity. The pathophysiological mechanisms underlying this observation are emerging, and exposure to particulate air pollution has been shown to result in increases in blood pressure and arterial tone, impaired vascular function and an increased tendency for blood to clot as well as an increase in atherosclerotic plaque burden. Recent evidence from panel studies and controlled exposure studies have suggested an increase in myocardial ischaemia (a reduction in blood flow to the heart) following exposure. In this study we aim to investigate directly myocardial (heart) blood flow following exposure to diesel exhaust (as a model of urban air pollution) using CT/PET myocardial perfusion imaging in male patients with stable coronary disease and healthy male controls. We hypothesize that following exposure to dilute diesel exhaust: 1. Myocardial blood flow will be reduced 2. Coronary flow reserve will be impaired 3. The magnitude of impairment will be higher in patients with coronary disease as compared to healthy controls

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01661582
Study type Interventional
Source University of Edinburgh
Contact
Status Completed
Phase N/A
Start date September 20, 2012
Completion date February 13, 2015
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