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- Title
Cerebral Blood Flow in Low Intracranial Pressure Headaches—What Is Known?
- Authors
Nowaczewska, Magdalena; Kaźmierczak, Henryk
- Abstract
Headaches attributed to low cerebrospinal fluid (CSF) pressure are described as orthostatic headaches caused by spontaneous or secondary low CSF pressure or CSF leakages. Regardless of the cause, CFS leaks may lead to intracranial hypotension (IH) and influence cerebral blood flow (CBF). When CSF volume decreases, a compensative increase in intracranial blood volume and cerebral vasodilatation occurs. Sinking of the brain and traction on pain-sensitive structures are thought to be the causes of orthostatic headaches. Although there are many studies concerning CBF during intracranial hypertension, little is known about CBF characteristics during low intracranial pressure. The aim of this review is to examine the relationship between CBF, CSF, and intracranial pressure in headaches assigned to low CSF pressure.
- Subjects
CEREBRAL circulation; INTRACRANIAL pressure; HEADACHE; BLOOD volume; INTRACRANIAL hypertension
- Publication
Brain Sciences (2076-3425), 2020, Vol 10, Issue 1, p2
- ISSN
2076-3425
- Publication type
Article
- DOI
10.3390/brainsci10010002