Interdependence of regional and global cerebral blood flow during visual stimulation: an O-15-butanol positron emission tomography study.

@article{Kemna2001InterdependenceOR,
  title={Interdependence of regional and global cerebral blood flow during visual stimulation: an O-15-butanol positron emission tomography study.},
  author={Lars Johann Kemna and S. Posse and Lutz Tellmann and thomas. schmitz and Hans Herzog},
  journal={Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism},
  year={2001},
  volume={21 6},
  pages={
          664-70
        }
}
The authors investigated the influence of variations in global cerebral blood flow (gCBF) on regional flow changes during visual stimulation. Global flow was varied using different end-expiratory CO2 values (PETCO2) between 20 and 70 mm Hg. Visual stimulation was performed with a red LED-array flashing at 8 Hz. Blood flow was measured with 0-15-butanol, continuous arterial blood sampling, and positron emission tomography (PET). Global flow changes surpassed the published values of O-15-H2O… CONTINUE READING
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