Long-term noninvasive single photon emission computed tomography monitoring of perfusional changes after EC-IC bypass surgery

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Abstract

The rCBF was evaluated using 1-123 HIPDM and single photon emission computed tomography (SPECT) on 14 patients undergoing extracranial-intracranial (EC-IC) bypass surgery because of internal carotid artery (ICA) occlusion. Before surgery, all patients showed cortical areas of hypoperfusion over the affected cerebral hemisphere. Shortly after EC-IC bypass a rCBF increase was observed in six patients. However, at the 6 and 12 month follow-ups, with angiographic control of bypass patency, rCBF studies did not show any significant rCBF change. Long-term noninvasive tomographic monitoring of perfusion changes occurring after EC-IC bypass surgery failed to show a long-lasting improvement in perfusion.

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Di Piero, V., Lenzi, G. L., Collice, M., Triulzi, F., Gerundini, P., Perani, D., … Fazio, F. (1987). Long-term noninvasive single photon emission computed tomography monitoring of perfusional changes after EC-IC bypass surgery. Journal of Neurology, Neurosurgery and Psychiatry, 50(8), 988–996. https://doi.org/10.1136/jnnp.50.8.988

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