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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 20:1110-1114 (6 1999)
© 1999 American Society of Neuroradiology

ARTICLE

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

Stephen Rudin^,a, Ajay K. Wakhloo^a, Baruch B. Lieber^a, William Granger^a, Afshin A. Divani^a, Daniel R. Bednarek^a and Leo N. Hopkins^a

^a From the Departments of Radiology (S.R., D.R.B., L.N.H.), Neurosurgery (S.R., A.K.W., B.B.L., D.R.B., L.N.H.), Mechanical and Aerospace Engineering (B.B.L., A.A.D.), and Biophysical Sciences, Toshiba Stroke Research Center, School of Medicine and Biomedical Sciences (S.R., W.G., D.R.B.), University at Buffalo, State University of New York; and Erie County Medical Center and Millard Fillmore Hospitals, Buffalo, NY.

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.

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