Assessment of the biomechanical state of intracranial tissues by dynamic MRI of cerebrospinal fluid pulsations: a phantom study.
Magn Reson Imaging
; 16(9): 1043-8, 1998 Nov.
Article
en En
| MEDLINE
| ID: mdl-9839988
We used a cranial phantom to investigate how intracranial mechanical factors [brain compliance and the resistance to the flow of cerebrospinal fluid (CSF)] affect the way in which CSF pulsations are driven by pulsatile transcranial blood flow. Dynamic phase-contrast magnetic resonance imaging (MRI) was used to measure the transfer function between vascular pulsations and pulsatile response of the CSF below the foramen magnum of the phantom. We found that the coupling between the high frequency components of cervical CSF flow and transcranial blood flow was decreased when the phantom was modified to simulate increased brain compliance and increased resistance to CSF flow.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Flujo Pulsátil
/
Encéfalo
/
Imagen por Resonancia Magnética
/
Líquido Cefalorraquídeo
/
Fantasmas de Imagen
Tipo de estudio:
Diagnostic_studies
Límite:
Humans
Idioma:
En
Revista:
Magn Reson Imaging
Año:
1998
Tipo del documento:
Article
País de afiliación:
Estados Unidos
Pais de publicación:
Países Bajos