Cerebral perfusion pressure
NCLEX-RN glossary · Physiological Adaptation
Definition
The pressure gradient required to maintain blood flow to the brain, calculated as Mean Arterial Pressure minus Intracranial Pressure.
Cerebral perfusion pressure in plain English
This is a vital indicator for preventing secondary brain injury in clients with head trauma or increased intracranial pressure. The main trap is lowering systemic blood pressure to achieve a target range without accounting for the resulting decrease in cerebral oxygenation.
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