The investigators aim to address this issue with novel image quantification methods using CZT-based SPECT, which is capable of dynamic data acquisition and therefore feasible for the quantification of the coronary flow. The investigators will use kinetic modeling techniques to design a study that allows the absolute flow quantification. To make this study practical, the investigators will develop a protocol that includes the acquisition of both the rest and stress scan within the same scan that is shorter than 30 minutes. The SPECT-measured flow will be validated against the flow measured with cardiac MRI scans. Patients with high CAD risk will be recruited for the clinical trial. Data from these human subjects will be used for determination of the performance of the developed algorithm. With the proposed rapid scan with absolute quantification capabilities, the investigators expect to increase the diagnosis accuracy while maintaining the patient throughput.
Study Type
OBSERVATIONAL
Enrollment
30
Correlation between SPECT- and MRI-measured flow values
Time frame: through study completion, an average of 3 year
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