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(Stroke. 1972;3:1.)
© 1972 American Heart Association, Inc.

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Evaluation of Cerebral Vascular Disease With Radionuclide Angiography

Ronald J. Fischer M.D.¹ August Miale JR., M.D.¹

¹ Division of Nuclear Medicine, Department of Radiology, University of Miami School of Medicine P. O. Box 875, Biscayne Annex, Miami, Florida, 33152

Experience with radionuclide angiography (RA) utilizing radiosodium pertechnetate and the scintillation camera as a practical means of evaluating cerebral vascular disease (CVD) is presented. The normal RA patterns were established in more than 500 patients without clinical evidence of CVD. Detailed study of the arterial and venous perfusion patterns in cases of CVD showed that certain discrete changes can be classified. The RA patterns were evaluated in 143 patients with strokes and in 120 patients with transient ischemic attacks (TIA) and correlated with symptomatology, clinical hospital course and cerebral angiograms. Although static brain scanning in patients with strokes is reportedly positive in approximately 42%, such scans are rarely positive (3%) in patients with TIA. However, by using the RA in combination with static camera imaging, in those patients wth documented stroke, positive studies were obtained in more than 80%, a twofold increase compared to previous experience. In patients with TIA, a tenfold (33%) increase in positive studies was found related to CVD and, in addition, another 7% were positive as mass lesions. The data presented stress the importance of establishing specific criteria for analysis of RA as well as the greatly enhanced sensitivity of this combined approach in detecting CVD.

Key Words: cerebral contrast angiography • brain scanning • completed stroke • transient ischemic attack • radiosodium • pertechnetate • scintillation camera • scintiphotography

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				P. Yarnell, D. Burdick, and B. Sanders The "Hot Stroke" A Clinical, Radioisotopic, Angiographic Correlation of Increased Relative Perfusion to the Area of Cerebral Infarction Arch Neurol, January 1, 1974; 30(1): 65 - 69. [Abstract] [PDF]