Coronary Artery Disease Clinical Trial
Official title:
Comparison of Cardiac Computed Tomographic Angiography (CTA) to Tc-99m Single Photon Emission Computed Tomography (SPECT)
Cardiovascular disease and ischemic heart disease is the #1 killer in Canada. Currently,
Cardiac invasive catheterization angiography (CICA) is the gold standard for the assessment
of the arteries in the heart. However, cardiac catheterization has risks which prohibit its
use in all patients. These risks include: death, heart attack, stroke and bleeding. Cardiac
computed tomography angiography (CTA) is a new non-invasive technology which may enable the
evaluation of patients' coronary anatomy without exposing patients to the risks of invasive
cardiac catheterization.
The purpose of this project is to compare CT angiography (CTA) to Tc-99m single photon
emission computed tomography (Tc-99m SPECT)
We will enroll patients who are waiting for a CICA or who have been referred for a TC-99m
SPECT or CTA scans at the University of Ottawa Heart Institute. Consenting patients who are
waiting for a CICA will have both a CTA and a Tc-99m SPECT scan. Consenting patients
referred for a CTA or Tc-99m SPECT will have both the CTA and Tc-99m SPECT in a random order
but not CICA (unless ordered by your physician).
n/a
Allocation: Non-Randomized, Intervention Model: Single Group Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Diagnostic
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