Multislice cardiac arterial spin labeling using improved myocardial perfusion quantification with simultaneously measured blood pool input function
نویسندگان
چکیده
منابع مشابه
Myocardial arterial spin labeling perfusion imaging with improved sensitivity
BACKGROUND Myocardial arterial spin labeling (ASL) is a noninvasive MRI based technique that is capable of measuring myocardial blood flow (MBF) in humans. It suffers from poor sensitivity to MBF due to high physiological noise (PN). This study aims to determine if the sensitivity of myocardial ASL to MBF can be improved by reducing image acquisition time, via parallel imaging. METHODS Myocar...
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c i d B t Arterial spin labeling (ASL) magnetic resonance imaging (MRI) is a noncontrast technique that can quantify tissue blood flow. It is most commonly applied to the brain (1) and kidney (2); however, it also has potential application to other organs, including the heart (3). Used for the heart, ASL might eventually play a role in cardiac pharmacological stress testing, where it could be u...
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Introduction A reduction of myocardial blood perfusion is the main physio-pathologic mechanism determining ischemic heart disease. Whilst SPECT and echocardiography are considered the reference standards for imaging perfusion defects, MRI techniques are emerging. Dynamic imaging of the first-pass of a contrast agent is currently the most frequently used of these techniques, however, guidelines ...
متن کاملCerebral blood flow quantification using vessel-encoded arterial spin labeling
Arterial spin labeling (ASL) techniques are gaining popularity for visualizing and quantifying cerebral blood flow (CBF) in a range of patient groups. However, most ASL methods lack vessel-selective information, which is important for the assessment of collateral flow and the arterial supply to lesions. In this study, we explored the use of vessel-encoded pseudocontinuous ASL (VEPCASL) with mul...
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Background: The magnetic resonance technique of arterial spin labeling (ASL) allows myocardial perfusion to be quantified without the use of a contrast agent. This study aimed to use a modified ASL technique and T1 regression algorithm, previously validated in canine models, to calculate myocardial blood flow (MBF) in normal human subjects and to compare the accuracy and repeatability of this c...
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ژورنال
عنوان ژورنال: Magnetic Resonance in Medicine
سال: 2012
ISSN: 0740-3194,1522-2594
DOI: 10.1002/mrm.24545