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Multi-center Trial of SPECT Myocardial Blood Flow Quantitation for Detection of Coronary Artery Disease

Coronary Artery Disease Clinical Trial

Official title:
Multi-center Trial of SPECT Myocardial Blood Flow Quantitation for Detection of Coronary Artery Disease

Clinical Trial Summary

Patients with suspected or known coronary artery disease who are scheduled for clinically indicated SPECT myocardial perfusion imaging (MPI) and will receive invasive coronary angiogram are recruited to receive SPECT MBF study.

Clinical Trial Description

Patients with suspected or known coronary artery disease who are scheduled for clinically indicated SPECT myocardial perfusion imaging (MPI) and likely will further receive invasive coronary angiogram will be recruited for a SPECT MBF study. The MBF study will be performed as an adjunct to MPI utilizing the same rest and stress injections of 99mTc-Sestamibi (MIBI) tracer, and the same infusion of dipyridamole, adenosine or adenosine triphosphate for stressing. The MBF study will be completed in single or two days depending on the imaging protocol of MPI for a site. This is an observational study with no interventions to the clinical routine whatsoever. Three models of SPECT (GE NM530c) and SPECT/CT (Siemens Symbia-T16 and -T2) cameras are included to acquire rest/stress dynamic SPECT and MPI data. A CT scan will be acquired for the purpose of attenuation correction. All dynamic images will be reconstructed with physical corrections, including attenuation, scatter, resolution recovery and noise reduction, and processed to quantify MBF with the same kinetic modeling. The imaging processing of MBF study will be conducted with a SPECT MBF dedicated software (MyoFlowQ) in a central lab. MPI images will be collected and independently read by three consensus readers. The angiographic result will be independently reviewed by an interventional cardiologist. Diagnostic performance of SPECT MBF and perfusion will be compared utilizing angiographic result as the reference standard. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03637725
Study type Observational
Source China National Center for Cardiovascular Diseases
Contact
Status Completed
Phase
Start date May 3, 2018
Completion date December 31, 2020
View Details
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