Publications by authors named "Mueez Aizaz"
Article Synopsis
- - The PARISK study found that carotid plaques with intraplaque hemorrhage (IPH) increase the risk of future ischemic cerebrovascular events, particularly in patients with transient ischemic attacks or strokes.
- - Researchers analyzed 89 patients with IPH-positive carotid plaques over 5 years, including brain MRI results after 2 years to see if IPH signal intensity ratios (SIR) and volumes correlated with new cerebrovascular events.
- - The study concluded that neither the IPH SIR nor the volume was significantly associated with the occurrence of future ischemic events or new brain infarcts, indicating other factors may be more influential in predicting these occurrences.
Purpose: A 2D image navigator (iNAV) based 3D whole-heart sequence has been used to perform MRI and PET non-rigid respiratory motion correction for hybrid PET/MRI. However, only the PET data acquired during the acquisition of the 3D whole-heart MRI is corrected for respiratory motion. This study introduces and evaluates an MRI-based respiratory motion correction method of the complete PET data.
View Article and Find Full Text PDFBackground And Purpose: Carotid atherosclerotic plaques with a large lipid-rich necrotic core (LRNC), intraplaque hemorrhage (IPH), and a thin or ruptured fibrous cap are associated with increased stroke risk. Multi-sequence MRI can be used to quantify carotid atherosclerotic plaque composition. Yet, its clinical implementation is hampered by long scan times and image misregistration.
View Article and Find Full Text PDFCarotid radiofrequency coils inside a PET/MRI system can result in PET quantification errors. We compared the performance of a dedicated PET/MRI carotid coil against a coil for MRI-only use. An 18F-fluorodeoxyglucose (18F-FDG) phantom was scanned without and with an MRI-only coil and with the PET/MRI coil.
View Article and Find Full Text PDFMyocardial infarction and stroke are the most prevalent global causes of death. Each year 15 million people worldwide die due to myocardial infarction or stroke. Rupture of a vulnerable atherosclerotic plaque is the main underlying cause of stroke and myocardial infarction.
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