Zobrazeno 1 - 10 of 67 pro vyhledávání: '"Akihiro Hirayama"'
1
Akademický článek
Ruptured posterior inferior cerebellar artery aneurysm associated with persistent primitive hypoglossal artery: A case report
Autor: Hideaki Shigematsu, MD, PhD, Kazuma Yokota, MD, Akihiro Hirayama, MD, PhD, Takatoshi Sorimachi, MD, PhD
Publikováno v: Radiology Case Reports, Vol 19, Iss 1, Pp 146-149 (2024)
Until now, 9 cases of an association of a posterior inferior cerebellar artery (PICA) aneurysm with the persistent primitive hypoglossal artery (PPHA) have been reported. We reported a case of a ruptured PICA aneurysm associated with the PPHA, which
Externí odkaz: https://doaj.org/article/b4e44f3959d9421c898770d0127c106f
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2
Akademický článek
Hyperdynamic CSF motion profiles found in idiopathic normal pressure hydrocephalus and Alzheimer’s disease assessed by fluid mechanics derived from magnetic resonance images
Autor: Ken Takizawa, Mitsunori Matsumae, Naokazu Hayashi, Akihiro Hirayama, Satoshi Yatsushiro, Kagayaki Kuroda
Publikováno v: Fluids and Barriers of the CNS, Vol 14, Iss 1, Pp 1-9 (2017)
Abstract Background Magnetic resonance imaging (MRI) does not only ascertain morphological features, but also measures physiological properties such as fluid velocity or pressure gradient. The purpose of this study was to investigate cerebrospinal fl
Externí odkaz: https://doaj.org/article/bb951ab0b65d4db3af5e1a8bec3a5fda
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5
Cerebrovascular Reserve Impairment in the Anterior Cerebral Artery Territory Predicts Deep Temporal Artery Enlargement After Combined Revascularization Surgery in Moyamoya Disease
Autor: Akihiro Hirayama, Takuya Yonemochi, Kazuma Yokota, Hideaki Shigematsu, Kittipong Srivatanakul, Takatoshi Sorimachi
Publikováno v: World Neurosurgery. 167:e344-e349
A combined surgery of direct and indirect revascularization has been frequently performed in patients with moyamoya disease, though the efficacy of indirect revascularization surgery in adult patients with moyamoya disease has not been established. T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::988744ca41440dce722ffd76fb288efe
https://doi.org/10.1016/j.wneu.2022.08.013
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6
Akademický článek
Frequency and Characteristics of Paraclinoid Aneurysm in Ruptured Cerebral Aneurysms.
Autor: Hideaki Shigematsu, Kazuma Yokota, Akihiro Hirayama, Takatoshi Sorimachi
Publikováno v: Journal of Korean Neurosurgical Society; Jan2024, Vol. 67 Issue 1, p22-30, 9p
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7
Microstructure and Mechanical Properties of AlSi12CuNi Alloy Fabricated by Laser Powder Bed Fusion Process
Autor: Masaaki Kimura, Akihiro Hirayama, Koichi Kaizu, Masahiro Kusaka
Publikováno v: International Journal of Automation Technology. 15:388-395
The microstructure and mechanical properties of the AlSi12CuNi alloy fabricated by the additive manufacturing technique, laser powder bed fusion (L-PBF), were investigated. Several laser irradiation conditions were examined to optimize the manufactur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a59cdaa3d3ee80b7ef8d341ff2f8422e
https://doi.org/10.20965/ijat.2021.p0388
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8
Magnetic Resonance Imaging/Gadolinium-enhanced Vessel Wall Image after Bypass Surgery in Moyamoya Disease
Autor: Takuya, Yonemochi, Akihiro, Hirayama, Hideaki, Shigematsu, Kazuma, Yokota, Takatoshi, Sorimachi
Publikováno v: The Tokai journal of experimental and clinical medicine. 47(4)
After bypass surgery in patients with moyamoya disease, several changes on magnetic resonance imaging (MRI)/fluid attenuated inversion recovery (FLAIR) have been recognized, while findings on MRI/gadolinium-enhanced (Gd) vessel wall imaging (VWI) hav
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::706b3366fcb571be06a69fb676f6fda0
https://pubmed.ncbi.nlm.nih.gov/36420550
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