A series of diseases known as reversible cerebral vasoconstriction syndrome (RCVS) is characterized by excruciating headaches and a narrowing of the brain's blood arteries.
To maintain normal brain perfusion and provide the brain with the essential oxygen and energy substrates, cerebral blood flow (CBF) and cerebral autoregulation (CA) are crucial. To promote normal brain function, age well, and manage acute and long-term medical disorders, adequate brain perfusion is necessary. We go over the fundamentals of CBF measurements as well as the most recent ways for doing so, including direct intravascular measures, nuclear medicine, X-ray imaging, magnetic resonance imaging, ultrasound techniques, thermal diffusion, and optical techniques. We also go through theoretical and practical ways for determining arterial blood pressure as well as current optical technique-based approaches for CA assessment. Also provided is the clinical practice's evaluation of cerebral perfusion.
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