Comparison of Dynamic and Xenon Computed Tomography in the Evaluation of Cerebro vascular Ischemia

Comparison of Dynamic and Xenon Computed Tomography in the Evaluation of Cerebro vascular Ischemia

Dynamic computed tomographic (DCT) scans with iodine contrast enhancement were compared with simultaneously obtained xenon CT studies of cerebral blood flow (CBF) in 15 patients with subacute or chronic cerebrovascular ischemic disease. Specifically, the width and corrected first moment (cMT1), as d...

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Veröffentlicht in:Neurologia medico-chirurgica 1989, Vol.29 (1), p.20-25
Hauptverfasser: Tomoaki TERADA, Haruhiko KIKUCHI, Yoshihiro KURIYAMA, Izumi NAGATA, Sen YAMAGATA, Yoshito NARUO, Jun MINAMIKAWA, Takaji KANEKO, Toru SAWADA
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Sprache:jpn
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Zusammenfassung:Dynamic computed tomographic (DCT) scans with iodine contrast enhancement were compared with simultaneously obtained xenon CT studies of cerebral blood flow (CBF) in 15 patients with subacute or chronic cerebrovascular ischemic disease. Specifically, the width and corrected first moment (cMT1), as demonstrated by DCT, were compared with the regional CBF (rCBF) data and the rCBF map obtained with xenon CT. The DCT and rCBF images were well correlated in patients without, but poorly correlated in those with, leptomeningeal anastomotic collateral circulation. The correlation of rCBF and 1/width with 1/cMT1 was significant (r=0.78, p
ISSN:0470-8105