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CEREBRAL RADIONUCLIDE SCINTI‐GRAPHY IN THE STROKE SYNDROME
Author(s) -
Booker John,
Morris Nitaya,
Huang C. Y.
Publication year - 1978
Publication title -
medical journal of australia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.904
H-Index - 131
eISSN - 1326-5377
pISSN - 0025-729X
DOI - 10.5694/j.1326-5377.1978.tb112600.x
Subject(s) - radionuclide , stroke (engine) , medicine , cardiology , physics , thermodynamics , quantum mechanics
The cerebral scans of 365 patients with the stroke syndrome were reviewed retrospectively over a 30‐month period. Positive static studies occurred in 140 patients (38%), of which 73 (52%) had an associated reduction of flow to the affected hemisphere on the dynamic study. Positive dynamic studies alone occurred in 69 patients (19%), increasing the positive yield by 50%. Dynamic studies also differentiate extracranial (carotid) occlusion from intracranial vascular occlusion, and may contribute to prognosis and management. Infarction in the middle cerebral artery territory is five times as common as infarction in any other arterial territory. An unexpected finding was the high incidence (5%) of watershed infarctions, liiese are more common than posterior cerebral artery strokes (4%), and anterior cerebral artery strokes (1%). When patients with vertebrobasilar and lacunar strokes, and those scanned within one week or after six weeks from the onset of symptoms are excluded, the positive yield was 54% for static studies, and 67% over all.