Preoperative evaluation of STA-MCA anastomosis candidates with rCBF studies

  • M. P. Heilbrun
  • R. E. Anderson


We previously reported that regional cerebral blood flow (rCBF) studies performed postoperatively on patients who had had STA-MCA anastomoses for the whole group of “inaccessible” lesions had blood flow values in the ischemic range. There was no significant difference in values of those patients with transient ischemic attacks (TIA) and reversible ischemic neurologic deficits (RIND), with those having completed strokes (CS). This finding led us to postulate that in this particular group of patients—namely, those with TIAs and RINDs secondary to internal carotid (ICA) occlusions and siphon stenoses and middle cerebral artery (MCA) stenoses and occlusions—the etiology of the TIAs and RINDs was secondary to focal or global low perfusion, rather than emboli.(1)


Regional Cerebral Blood Flow Focal Ischemia Nonoperated Patient Complete Stroke Hemisphere Status 
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  1. 1.
    Heilbrun MP, Reichman OH, Anderson RE, Roberts TS: Regional cerebral blood flow studies following superficial temporal-middle cerebral artery anastomosis. J Neurosurg 43: 706, 1975PubMedCrossRefGoogle Scholar
  2. 2.
    Høedt-Rasmussen K: Regional cerebral blood flow. The intra-artrial injection method. Acta Neurol Scand 43 (Suppl 27): 1, 1967PubMedGoogle Scholar
  3. 3.
    Olesen J, Paulson OB, Lassen NA: Regional cerebral blood flow in man determined by the initial slope of the clearance of intraarterial injected 133Xe. Stroke 2: 519, 1971PubMedCrossRefGoogle Scholar

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© Springer-Verlag New York Inc. 1977

Authors and Affiliations

  • M. P. Heilbrun
  • R. E. Anderson

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