Abstract #2609

Visualization of Intracranial Aneurysms Treated with Low-profile Visualized Intraluminal Support (LVIS Jr. stent) Using Ultrashort Echo Time Magnetic Resonance Angiography

Nao Takano¹, Michimasa Suzuki¹, Ryusuke Irie², Munetaka Yamamoto³, Nozomi Hamasaki², Haruyoshi Hoshito², Kanako Kunishima Kumamaru¹, Masaaki Hori¹, Hidenori Oishi⁴, and Shigeki Aoki¹

¹Department of Radiology, Graduate School of Medicine, Juntendo University, Tokyo, Japan, ²Department of Radiology, Juntendo University Hospital, Tokyo, Japan, ³Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan, ⁴Department of Neuroendovascular Therapy, Juntendo University School of Medicine, Tokyo, Japan

In this study, we evaluated the usefulness of ultrashort echo time magnetic resonance angiography (Silent MRA) for intracranial aneurysms treated with LVIS Jr. stent-assisted coil embolization by a comparison between silent MRA and three-dimensional time of flight MRA (3D TOF-MRA) because the LVIS Jr. stent had higher metal coverage than previous reported stents. In silent MRA, the score of flow in the stents was superior to that of 3D TOF-MRA (p<0.05). Moreover, aneurysm occlusion status was good agreement for DSA. Therefore, silent MRA might be useful for intracranial aneurysms treated with LVIS Jr. stent-assisted coil embolization.

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