Changes in the Arterial Fraction of Human Cerebral Blood Volume during Hypercapnia and Hypocapnia Measured by Positron Emission Tomography

Hypercapnia induces cerebral vasodilation and increases cerebral blood volume (CBV), and hypocapnia induces cerebral vasoconstriction and decreases CBV. Cerebral blood volume measured by positron emission tomography (PET) is the sum of three components, that is, arterial, capillary, and venous blood...

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Veröffentlicht in:	Journal of cerebral blood flow and metabolism 2005-07, Vol.25 (7), p.852-857
Hauptverfasser:	Ito, Hiroshi, Ibaraki, Masanobu, Kanno, Iwao, Fukuda, Hiroshi, Miura, Shuichi
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Biological and medical sciences Blood Gas Analysis Blood Pressure - physiology Blood Volume - physiology Brain - blood supply Brain - physiopathology Cerebrovascular Circulation - physiology Female Heart Rate - physiology Humans Hypercapnia - physiopathology Hypocapnia - physiopathology Investigative techniques, diagnostic techniques (general aspects) Male Medical sciences Nervous system Neurology Positron-Emission Tomography Radiodiagnosis. Nmr imagery. Nmr spectrometry Radionuclide investigations Vascular diseases and vascular malformations of the nervous system
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