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Updated: Jan 20, 2026
Cardiac MRI: Principle and Imaging
Published on: April 30, 2023
Long-Term Prognostic Value of Stress Perfusion Cardiovascular Magnetic Resonance Imaging
Peter D Filev1, Arthur E Stillman2
1Division of Cardiothoracic Imaging, Department of Radiology and Imaging Sciences, Emory University School of Medicine, 1364 Clifton Road NE, Atlanta, GA, 30322, USA.
Insights
Stress perfusion cardiovascular magnetic resonance (CMR) accurately detects coronary artery disease (CAD) and predicts patient risk. A normal scan indicates low risk, while abnormal results signal increased cardiac event risk.
Area of Science:
- Cardiology
- Medical Imaging
- Diagnostic Tools
Background:
- Coronary artery disease (CAD) poses a significant health risk.
- Accurate risk stratification is crucial for managing patients with suspected or known CAD.
- Noninvasive diagnostic tools are essential for assessing cardiac health.
Purpose of the Study:
- To evaluate the long-term prognostic value of stress perfusion cardiovascular magnetic resonance (CMR) in patients with suspected or known CAD.
- To determine the role of stress perfusion CMR in risk reclassification and clinical decision-making.
Main Methods:
- Review of studies analyzing stress perfusion CMR in patients with suspected or known CAD.
- Assessment of diagnostic accuracy, sensitivity, and specificity of stress perfusion CMR.
- Evaluation of prognostic information derived from stress perfusion CMR findings.
Main Results:
- Stress perfusion CMR demonstrates high diagnostic accuracy for CAD detection.
- Normal scans predict low patient risk; abnormal scans correlate with mortality and adverse events.
- Stress perfusion CMR effectively reclassifies risk, particularly in intermediate-risk patients.
- A threshold of <1.5 ischemic cardiac segments guides safe deferral of revascularization.
- CMR-guided strategy is noninferior to fractional flow reserve (FFR) for revascularization in stable CAD.
Conclusions:
- Stress perfusion CMR is a robust, accurate, noninvasive tool for diagnosing CAD and providing long-term prognostic information.
- It aids in risk stratification and guides treatment decisions, including revascularization.
- Combined CMR techniques enhance prognostic value in suspected CAD patients.
Purpose Of Review:
The purpose of this review is to analyze the long-term prognostic value of stress perfusion cardiovascular magnetic resonance (CMR) in patients with suspected or known coronary artery disease (CAD).
Recent Findings:
Stress perfusion CMR provides high diagnostic accuracy for detection of CAD, with high sensitivity and relatively lower specificity. A normal stress perfusion CMR examination is highly predictive of overall low patient risk. Conversely, abnormal stress perfusion CMR results are associated with mortality and increased risk for adverse cardiac-related events. Stress perfusion CMR is a useful and robust tool for risk reclassification across different CAD risk categories, and most significant for patients of intermediate risk. Stress CMR is reliable for excluding clinically significant coronary artery disease in patients presenting with low-risk acute chest pain. An ischemic burden threshold of less than 1.5 cardiac segments has been found to be most appropriate for safe deferral from revascularization therapy. A stress perfusion CMR-guided strategy has been shown to be noninferior compared to fractional flow reserve (FFR) for revascularization in patients with stable CAD. In clinical practice, CMR offers a multiplicity of useful techniques besides stress perfusion which may add significant prognostic value when combined with the findings of the stress test itself. Stress perfusion CMR is an accurate noninvasive diagnostic test for patients with suspected CAD and provides strong prognostic value across different risk categories.
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