… -ratio. We used hypotension to investigate the influence of blood volume distribution on
cerebral … and aortic blood sample co-oximetry with a fixed AV-ratio. Apparent changes in the AV-…

… after the hypoxic challenge. In the present study, the rate constant for the CBF response to
hypoxia … The rate constant and delay for the return to normoxia were 0.0069 s –1 and 20 s (not …

… The increased capillary density should be detectable as an increase in cerebral blood
volume (CBV). Acute hypoxic exposure has been shown to result in an increase in CBV (32, 65). …

… cerebral blood flow (CBF) remained related to arterial O 2 content ( Ca O 2 ) during hypoxic
hypoxia … Ca O 2 in the control group during graded hypoxia. Over a wide range of arterial O 2 …

… CBV response to hypoxic hypoxia in … relationship between the degree of the hypoxic insult
and CBV changes; and (ii) possible differences in responsiveness to hypoxia between brain …

… by which hypoxia regulates the cerebral function, we suggest … to assess middle cerebral
arterial (MCA) blood flow velocity, … (see ‘Measurement of cerebral blood flow at high altitude’). …

… The ventilator rate, tidal volume, and F102 were adjusted to the three desired levels of arterial
blood gases (control, moderate hypoxia, and severe hypoxia). Cerebral blood flow velocity …

… '' of the cerebral circulation to these … hypoxia and COsub 2 alterations. [22] Our data show
that, during hypocapnia, hypercapnia, and hypoxia, CBV changes in a direction similar to blood …

… We chose to determine intraparenchymal blood volume as that part of total cerebral blood
volume, which deals mainly with microcirculation 14, 26. Therefore, the approach used here …

… blood flow was much higher than either hypoxia or hypercapnia alone. The maximum blood
volume recorded during hypercapnic hypoxia (… 100% of the cerebral capillaries were actively …