Ultrasound Perfusion Imaging of the Human Brain
نویسندگان
چکیده
منابع مشابه
Ultrasound perfusion imaging of the human brain.
BACKGROUND AND PURPOSE Color-coded perfusion maps can be calculated from ultrasound harmonic gray-scale imaging data to analyze brain tissue perfusion. METHODS In 13 healthy volunteers, 2 doses (0.5 and 1.5 mL) of Optison, a perfluoropropane-containing ultrasound contrast agent, were injected intravenously, and they produced a strong increase in echo enhancement in the brain parenchyma. The c...
متن کاملHarmonic imaging of the human brain. Visualization of brain perfusion with ultrasound.
BACKGROUND AND PURPOSE Through harmonic gray-scale imaging, it is possible to analyze brain tissue perfusion with different ultrasound methods. METHODS In 12 healthy volunteers, 2 doses (0.5 and 1.5 mL) of Optison, a perfluoropropane-containing contrast agent, were injected intravenously and produced a strong increase of brightness in the brain parenchyma. We used harmonic imaging for quantif...
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BACKGROUND Second harmonic imaging is a new ultrasound technique that allows evaluation of brain tissue perfusion after application of an ultrasound contrast agent. OBJECTIVE To evaluate the potential of this technique for the assessment of abnormal echo contrast characteristics of different brain tumours. METHODS 27 patients with brain tumours were studied. These were divided into four gro...
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Measurements of cerebral perfusion have become an important part of diagnostic imaging and therapy monitoring in a variety of brain diseases. Magnetic resonance perfusion imaging provides high-resolution images of various perfusion parameters in addition to the important morphological information acquired during the same imaging session. In conjunction with magnetic resonance imaging (MRI) diff...
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The most common treatment for hydrocephalus is to place a cerebrospinal fluid (CSF) shunt to divert excess CSF to a re-absorption site and regulate the intracranial pressure. However, CSF shunts have an unacceptably high incidence of occlusions from in-grown tissues. Our project is to explore ultrasound imaging, together with photoelectric excitation to image the occlusions and brain shunts, so...
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ژورنال
عنوان ژورنال: Stroke
سال: 2000
ISSN: 0039-2499,1524-4628
DOI: 10.1161/01.str.31.10.2421