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Hemodynamic Therapy of Middle Cerebral Artery Vasospasm Guided by a Multiphase Model of Oxygen Transport

S. Conrad[1,2], P. Chittiboina[3], and B. Guthikonda[3]

[1]Department of Bioinformatics and Computational Biology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
[2]Department of Biomedical Engineering, Louisiana Tech University, Ruston, LA, USA
[3]Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
Veröffentlicht in 2008

Cerebral vasospasm is a complication of subarachnoid hemorrhage and other neurosurgical emergencies that reduce blood flow to the brain. Part of the approach to management of vasospasm is to improve flow through the stenotic areas by reducing by decreasing blood viscosity and enhancing flow through the stenosis.

To examine the interaction of these factors, we applied computational fluid dynamics coupled with oxygen transport at varying degrees of vasospasm. This COMSOL simulation project provides evidence that hemodilution used as part of the management of vasospasm of the intracranial arteries does not improve oxygen delivery across the stenotic segment.

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