Near Infrared Determined Cerebral Transit Time and Oxy- and Deoxyhemoglobin Relationships During Hemorrhagic Hypotension in the Dog
- 1 January 1989
- book chapter
- Published by Springer Nature
- Vol. 248, 55-62
- https://doi.org/10.1007/978-1-4684-5643-1_7
Abstract
Many recent papers suggest that in patients with cerebrovascular diseases, cerebral blood flow (CBF) measurement alone is a poor indicator of hemodynamic reserve (Gibbs et al., 1984). A usual finding of positron emission tomography studies is a fall of the CBF/cerebral blood volume (CBV) ratio, mathematically equivalent to an increase of the mean transit time (MTT) (Zierler, 1965).Keywords
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