Does Caffeine Affect the Sensitivity of Adenosine Perfusion Scans?
Status:
Completed
Trial end date:
2004-12-01
Target enrollment:
Participant gender:
Summary
We are studying the affect of caffeine on the sensitivity of detecting coronary artery
disease (blockages in the blood flow to the heart) with adenosine tracer scans. Adenosine is
a drug used routinely in patients to relax heart blood vessels in order to assess for the
presence of coronary artery disease. Often, if patients have had caffeine, the adenosine scan
is not used because of the belief that caffeine may reduce the ability to detect coronary
artery disease. We would like to test whether caffeine affects our ability to detect coronary
artery disease with adenosine tracer scanning. We will perform an imaging study of the heart
with adenosine after you have received caffeine.