Reflex-mediated reduction in human cerebral blood volume.

  title={Reflex-mediated reduction in human cerebral blood volume.},
  author={Timothy D. Wilson and J. Kevin Shoemaker and R. Kozak and T. Lee and Adrian W. Gelb},
  journal={Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism},
  volume={25 1},
Adrenergic nerves innervate the human cerebrovasculature, yet the functional role of neurogenic influences on cerebral hemodynamics remains speculative. In the current study, regional cerebrovascular responses to sympathoexcitatory reflexes were evaluated. In eight volunteers, contrast-enhanced computed tomography was performed at baseline, -40 mmHg lower body negative pressure (LBNP), and a cold pressor test (CPT). Cerebral blood volume (CBV), mean transit time (MTT), and cerebral blood flow… CONTINUE READING
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