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Cerebral Circulation Dynamics following Fasudil Intravenous Infusion : A CT Perfusion Study Kenichiro Ono 1 , Toshiki Shirotani 1 , Koji Yuba 2 , Daigo Yamana 2 1Department of Neurosurgery, Japan Self Defense Force Central Hospital 2Department of Radiology, Mishuku Hospital Keyword: fasudil hydrochloride , CT perfusion , cerebral vasospasm , cerebral blood flow , subarachnoid hemorrhage pp.779-783
Published Date 2005/9/1
DOI https://doi.org/10.11477/mf.1406100075
  • Abstract
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Using CT perfusion studies we evaluated changes in the cerebral circulation before and after the intravenous administration of fasudil 60mg in 8 patients 7 to 14 days after a subarachnoid hemorrhage. The mean duration to the peak of the time-density curve and the average peak value did not change. In areas with cerebral blood perfusion (CBP) less than 40ml/100g/min,the CBP increased from 34.4±4.7ml/100g/min to 41.0±8.2ml/100g/min (p<0.01) after fasudil infusion, the cerebral blood volume (CBV) rose from 2.41±0.53ml/100g to 2.55±0.5ml/100g (p<0.05), and the mean transit time(MTT)decreased from 5.09±1.13s to 4.82±0.89s (p<0.05). In areas where the CBP was more than 41ml/100g/min, the CBP did not change (from 51.8±7.6ml/100g/min to 50.4±8.4ml/100g/min), the CBV decreased (from 2.75±0.62ml/100g to 2.67±0.55ml/100g, p<0.05), and the MTT did not change (from 3.80±0.76s to 3.77±0.72s).

 These results suggest that intravenous infusion of fasudil 60mg increases cerebral blood flow and cerebral blood volume and shortens MTT in areas with decreased blood flow due to vasospasm.

(Received : April 26, 2005)


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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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