Cardiovascular perfusion MR images were reviewed at a 3D workstation (Advantage Windows, GE Healthcare, or Syngo, Siemens Healthcare). Myocardial perfusion was determined in the standard manner previously described, which was similar to the method for stress perfusion DECT. The presence of hypoenhancement in a coronary artery territory persisting for more than six heartbeats under adenosine stress was considered positive for a perfusion defect [23 (link)]. Delayed enhancement images were analyzed visually for the detection of hyperenhanced segments from the subendocardium to the epicardium. All stress, rest, and delayed enhancement cardiovascular MR images were independently analyzed by two experienced radiologists blinded to all patient and the imaging data, including coronary CTA, ICA, and stress perfusion DECT findings.
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Cardiovascular MRI Perfusion Assessment
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Adenosine
Cardiovascular
Coronary
Coronary artery
Epicardium
Heartbeats
Myocardial
Patient
Perfusion
Radiologists
Corresponding Organization :
Other organizations : Konkuk University Medical Center, Innsbruck Medical University, Presbyterian Hospital, New York Hospital Queens, NewYork–Presbyterian Hospital, Cornell University
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Variable analysis
independent variables
- Adenosine stress
- Presence of hypoenhancement in a coronary artery territory persisting for more than six heartbeats
- Detection of hyperenhanced segments from the subendocardium to the epicardium
- Cardiovascular perfusion MR images reviewed at a 3D workstation
- Myocardial perfusion determined in the standard manner previously described, similar to the method for stress perfusion DECT
- All stress, rest, and delayed enhancement cardiovascular MR images independently analyzed by two experienced radiologists blinded to all patient and the imaging data, including coronary CTA, ICA, and stress perfusion DECT findings
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