Coronary Artery Disease Clinical Trial
According to CT technology development, cardiac CT is very useful examination as noninvasive
examination and the accuracy in locating lesions has increased to 95%. Specifically, cardiac
CT has been performing a gateway role in reducing invasive cardiac angiography implemented
solely for the purpose of diagnosis because of the invasive testing of makeshift cardiac
angiography. However, cardiac CT also comes with the disadvantage that patients cannot avoid
being exposed to radiation, so there has been much effort in appealing to reduce exposed
radiation dose. Of these methods, the most effective is the method of repeatedly
reconstitution by way of synchronized prospective ECG while using low tube-based potential.
According to recent studies, the SNR(Signal Noise Ratio) and CNR(Contrast Noise Ratio) values
representing image quality have been higher compared to the combined method of image
reconstruction by makeshift filtered back projection and condition of image acquisition by
patient BMI. Also, the administered amount of contrast agent can be reduced for achieving the
same contrast effect due to the advantage of the increased effect of contrast enhancement by
using low tube voltage. Therefore, the efficacy studies of using low concentration of
contrast agents in conditions of using low tube voltage are being processed.
This study intends to prove that image quality does not deteriorate by suitable image
reconstruction method with low concentration contrast agent compared to the combined method
of the makeshift filtered back projection image reconstruction method and the conditions of
image acquisition according to BMI with general amount of contrast agent.
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