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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