Microdroplet Tracking Using Biplane Digital Subtraction Angiography for Cerebral Arteriovenous Malformation Blood Flow Path and Velocity Determinations

High-speed biplane angiography is used to determine the path and velocity of microdroplets of contrast material in three dimensions. By allowing more accurate determination of detailed blood flow in feeding vessels and draining veins of cerebral arteriovenous malformations than available with standa...

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Bibliographic Details
Published in:American journal of neuroradiology : AJNR 1999-06, Vol.20 (6), p.1110-1114
Main Authors: Rudin, Stephen, Wakhloo, Ajay K, Lieber, Baruch B, Granger, William, Divani, Afshin A, Bednarek, Daniel R, Hopkins, Leo N
Format: Article
Language:English
Subjects:
Angiography, Digital Subtraction - methods
Biological and medical sciences
Blood Flow Velocity - physiology
Cerebrovascular Circulation - physiology
Female
Humans
Interventional
Intracranial Arteriovenous Malformations - diagnostic imaging
Intracranial Arteriovenous Malformations - physiopathology
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Microspheres
Middle Aged
Nervous system
Radiodiagnosis. Nmr imagery. Nmr spectrometry
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Summary:High-speed biplane angiography is used to determine the path and velocity of microdroplets of contrast material in three dimensions. By allowing more accurate determination of detailed blood flow in feeding vessels and draining veins of cerebral arteriovenous malformations than available with standard angiography, the new method offers the potential for more accurate treatment and further study of neurovascular/cerebrovascular hemodynamics. The first study of the method is presented.
ISSN:0195-6108
1936-959X