Functional Imaging of Cerebral Blood Volume using Simultaneous Measurements of Dynamic and Xenon Computerized Tomography (CT)
スポンサーリンク
概要
- 論文の詳細を見る
This report describes a method for measuring regional cerebral blood volume (r-CBV), by simultaneously using dynamic computerized tomography (DCT) and stable Xenon-enhanced CT (Xe CT). Local cerebral blood flow (CBF) was measured using a Xe CT blood sampling method, and mean transit time (MTT) was calculated using DCT after a rapid injection of iodinated contrast material. A functional image of r-CBV was obtained from multiplication of CBF and MTT on each pixel using the formula: CBF×MTT=CBV This calculated value is not suitable to indicate a r-CBV which directly reflects cerebral microcirculation. Accordingly, only a comparative estimation of relative r-CBV images is applicable. However, laterality of image and comparison of serial studies are useful in hemodynamic evaluations, especially in ischemic cerebrovascular diseases, because they indicate hemodynamic reserve within the hypoperfused region.
- 東海大学の論文
著者
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SHIMODA Masami
Department of Neurosurgery, Tokai University Hachioji Hospital
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ODA Shinri
Department of Neurosurgery, Tokai University Hachioji Hospital
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Yamamoto Masahiro
Department Of Surgery Teikyo University School Of Medicine
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Shimoda Masami
東海大学 脳神経外科
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Shimoda Masami
Department Of Neurosurgery Tokai University School Of Medicine
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SATO Osamu
Department of Neurosurgery, Tokai University School of Medicine
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KAWAMATA Fumio
Department of Radiology, Tokai University School of Medicine
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Sato Osamu
Department Of Neurosurgery Tokai University School Of Medicine
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Kawamata Fumio
Department Of Radiology Tokai University School Of Medicine
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Oda Shinri
Department Of Neurosurgery Tokai University Hachioji Hospital
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Shimoda Masami
Department Of Neurosurgery Tokai University Hachioji Hospital
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Yamamoto Masahiro
Department Of Earth Sciences Okayama University
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Sato Osamu
Department Of Agricultural Chemistry Faculty Of Agriculture Nagoya University
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Yamamoto Masahiro
Department Of Agricultural Chemistry Faculty Of Agriculture Niigata University
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Shimoda Masami
Department of Insect Genetics and Breeding, National Institute of Sericultural and Entomological Science, Ministry of Agriculture, Forestry and Fisheries
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