Non-invasive Coronary Angiography: the Role, Limitations and Future of 64-Slice Spiral Computed Tomography Coronary Angiography
DOI:
https://doi.org/10.2015/hc.v4i3.332Abstract
Noninvasive coronary imaging can now be accomplished with use of computed tomography coronary angiography (CTCA) which is becoming an important alternative to invasive coronary angiography in selected patients. CTCA is best applied in patients with intermediate risk for coronary artery disease (CAD). It is a reliable technique for patient screening, thus reducing the number of unnecessary invasive coronary angiography examinations, but cannot yet replace invasive coronary angiography in all patients suspected of CAD. Concerns remain regarding the radiation exposure, which is expected to be significantly reduced with the availability of improved technology and newer multi-channel scanners offering the potential to image the entire heart during a single heartbeat. The current status of CTCA is herein briefly reviewed.Downloads
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