The CSF accumulator: its role in the central nervous system and implications for advancing hydrocephalus shunt technology

Pediatric Neurosurgery
G Magram, A M Liakos

Abstract

The 'cerebrospinal fluid (CSF) accumulator' plays an important physiological role in the healthy central nervous system as both a shock absorber and regulator of drainage. In the presence of hydrocephalus, this function is compromised by resistance to the flow of CSF. It is further compromised by the placement of a standard shunt which allows only for one-way directional diversion of the fluid. Complications associated with shunt dependency may be a direct consequence of both the condition, and a failure of existing systems to restore the normal accumulator function. This article reviews the pathophysiology of the 'CSF accumulator' as it relates to hydrocephalus and its management, and proposes a biomimetic shunt designed to restore the 'CSF accumulator' toward normal. It is hoped that such a device will support normalization of intracranial pressure and restore an appropriate level of CSF volume in the shunted patient.

Citations

Jun 21, 2001·Journal of Neurosurgery·J SoteloN Arriada

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