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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 24:604-607, April 2003
© 2003 American Society of Neuroradiology

Technical Note
INTERVENTIONAL

Preliminary Study of Tagged MR Image Velocimetry in a Replica of an Intracranial Aneurysm

Haruo Isoda^a, Shoichi Inagawa^a, Hiroyasu Takeda^a, Satoshi Isogai^a, Yasuo Takehara^a and Harumi Sakahara^a

^a From the Department of Radiology, Hamamatsu University School of Medicine, Handayama, Shizuoka, Japan

Address reprint requests to Haruo Isoda, MD, Department of Radiology, Hamamatsu University School of Medicine, 1–20–1 Handayama, Hamamatsu, Shizuoka 431-3192 Japan

Summary: Flow dynamics in intracranial aneurysms and their adjacent parent vessels play important roles in the development and rupture of intracranial aneurysms. Combined with tagged MR imaging and the use of particle image velocimetry software, tagged MR image velocimetry reveals flow vectors, vorticity, and shear strains at each location in the aneurysm replica every 9 milliseconds. This technique is a promising and noninvasive technique for assessing hemodynamics in intracranial aneurysms.

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