Fig. 3: Cerebrovascular mean and pulse pressure and flow rate steady-state responses to head-down tilt. | npj Microgravity

Fig. 3: Cerebrovascular mean and pulse pressure and flow rate steady-state responses to head-down tilt.

From: Linking cerebral hemodynamics and ocular microgravity-induced alterations through an in silico-in vivo head-down tilt framework

Fig. 3

Pressure (a) and flow rate (b) mean and pulse responses throughout the cerebrovascular compartment during an HDT maneuver. For simplicity, only the left (l) side of the brain is included. ICA, MCA, dm, ccap, cv, and dvs indicate internal carotid artery, middle cerebral artery, distal middle artery, cerebral capillary, cerebral veins, and dural venous sinus compartments, respectively. CBF indicates cerebral blood flow rate. Mean (dark-colored bars) and pulse (max–min, light-colored bars) pressure and flow rate values are reported for all compartments during steady-state pre-tilt 80° HUT (80°HUT, yellow bars) and steady-state post-tilt 6° HDT (6° HDT, green bars). Percentage variation between pre- and post-tilt values is referred to as the 80° HUT values.

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