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Abstract #2552

Evaluation of Intracranial Pressure-Regulation by MRI-measured Cerebrospinal Fluid Pulsation

Masatomo Uehara1, Tosiaki Miyati1, Naoki Ohno1, Riho Okamoto1, Moemi Tachimoto1, Mitsuhito Mase2, Hiroshi Furusho1, Satoshi Kobayashi1, and Toshifumi Gabata1

1Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan, 2Department of Neurosurgery, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan

We conducted this study to determine the cerebrospinal fluid pulsation in the supine and sitting positions using multiposture MRI. The stroke volume of the aqueduct is not affected by intracranial pressure change. Cerebrospinal fluid pulsation measurements to evaluate the intracranial pressure-regulation function should be taken at the boundary between cranial and spinal cavities rather than in the aqueduct.

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