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Updated: Aug 16, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
Extent of myocardial non-compaction: comparison between MRI and echocardiographic evaluation
Fahad Alhabshan1, Jeffrey F Smallhorn, Fraser Golding
1Department of Pediatrics, Division of Cardiology, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.
Magnetic Resonance Imaging (MRI) offers superior visualization of left ventricular non-compaction compared to echocardiography. MRI accurately identifies the extent of myocardial abnormalities, aiding in diagnosing this cardiomyopathy.
Area of Science:
- Cardiology
- Medical Imaging
- Pediatric Cardiology
Background:
- Left ventricular non-compaction is a significant cause of cardiomyopathy with debated diagnostic criteria.
- Magnetic Resonance Imaging (MRI) is gaining traction in pediatric cardiology due to its high image quality.
Observation:
- This study compared echocardiography and MRI findings in four patients with newly diagnosed ventricular non-compaction.
- Two patients had prior echocardiographic diagnosis, and two were asymptomatic family members.
Findings:
- MRI demonstrated a greater extent of myocardial involvement than echocardiography in all cases.
- MRI provided a definitive diagnosis for all four patients, whereas echocardiography only diagnosed two.
- Cine imaging and black-blood pool imaging with double-inversion recovery sequences on MRI effectively visualized abnormal trabeculations.
Implications:
- MRI offers superior delineation of abnormal trabeculation in left ventricular non-compaction.
- MRI is particularly valuable for detecting subtle myocardial involvement, including in asymptomatic relatives.
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