Zobrazeno 1 - 10
of 265
pro vyhledávání: '"Marie OSHIMA"'
Autor:
Shigeki Yamada, Tomohiro Otani, Satoshi Ii, Hirotaka Ito, Chifumi Iseki, Motoki Tanikawa, Yoshiyuki Watanabe, Shigeo Wada, Marie Oshima, Mitsuhito Mase
Publikováno v:
Fluids and Barriers of the CNS, Vol 21, Iss 1, Pp 1-15 (2024)
Abstract Background Bidirectional reciprocal motion of cerebrospinal fluid (CSF) was quantified using four-dimensional (4D) flow magnetic resonance imaging (MRI) and intravoxel incoherent motion (IVIM) MRI. To estimate various CSF motions in the enti
Externí odkaz:
https://doaj.org/article/3ee450bb159941d79962a0d3e57c8d79
Autor:
Shigeki Yamada, Hirotaka Ito, Hironori Matsumasa, Satoshi Ii, Tomohiro Otani, Motoki Tanikawa, Chifumi Iseki, Yoshiyuki Watanabe, Shigeo Wada, Marie Oshima, Mitsuhito Mase
Publikováno v:
Frontiers in Aging Neuroscience, Vol 16 (2024)
BackgroundDisproportionately enlarged subarachnoid-space hydrocephalus (DESH) is a key feature for Hakim disease (idiopathic normal pressure hydrocephalus: iNPH), but subjectively evaluated. To develop automatic quantitative assessment of DESH with a
Externí odkaz:
https://doaj.org/article/c3a571dfbff1426d8a685cc8c3f0a997
Autor:
Shigeki Yamada, Shinnosuke Hiratsuka, Tomohiro Otani, Satoshi Ii, Shigeo Wada, Marie Oshima, Kazuhiko Nozaki, Yoshiyuki Watanabe
Publikováno v:
Fluids and Barriers of the CNS, Vol 20, Iss 1, Pp 1-12 (2023)
Abstract Background In the cerebrospinal fluid (CSF) dynamics, the pulsations of cerebral arteries and brain is considered the main driving force for the reciprocating bidirectional CSF movements. However, measuring these complex CSF movements on con
Externí odkaz:
https://doaj.org/article/8506c3226dd94994afc39144e045ae23
Publikováno v:
Bioengineering, Vol 11, Iss 4, p 313 (2024)
Recent advancements in computational performance and medical simulation technology have made significant strides, particularly in predictive diagnosis. This study focuses on the blood flow simulation reduced-order models, which provide swift and cost
Externí odkaz:
https://doaj.org/article/bbb6247b9b8e4381ba8d39bd56e59acd
Autor:
Tomohiro Otani, Nozomi Nishimura, Hiroshi Yamashita, Satoshi Ii, Shigeki Yamada, Yoshiyuki Watanabe, Marie Oshima, Shigeo Wada
Publikováno v:
PLoS Computational Biology, Vol 19, Iss 9, p e1011452 (2023)
The cerebral arterial network covering the brain cortex has multiscale anastomosis structures with sparse intermediate anastomoses (O[102] μm in diameter) and dense pial networks (O[101] μm in diameter). Recent studies indicate that collateral bloo
Externí odkaz:
https://doaj.org/article/3f0f40f3b65b4952955d1f616cbafc12
Publikováno v:
PLoS Computational Biology, Vol 18, Iss 7, p e1009996 (2022)
Collateral circulation in the circle of Willis (CoW), closely associated with disease mechanisms and treatment outcomes, can be effectively investigated using one-dimensional-zero-dimensional hemodynamic simulations. As the entire cardiovascular syst
Externí odkaz:
https://doaj.org/article/75ab76e5a7e7494daf49aa0a52cb751e
Autor:
Misaki Aoyagi, Marie Oshima, Masamichi Oishi, Soma Kita, Koichi Fujita, Haruki Imai, Shuji Oishi, Hiroko Ohmori, Takashi Ono
Publikováno v:
PLoS ONE, Vol 17, Iss 4, p e0267677 (2022)
Morphological changes in the upper airway and the resulting alteration in the nasal respiratory function after jawbone repositioning during orthognathic surgery have garnered attention recently. In particular, nasopharyngeal stenosis, because of the
Externí odkaz:
https://doaj.org/article/23b1c26c4d794466956e065249303a40
Publikováno v:
Micromachines, Vol 12, Iss 5, p 477 (2021)
Oscillatory flow has many applications in micro-scaled devices. The methods of realizing microfluidic oscillators reported so far are typically based on the impinging-jet and Coanda effect, which usually require the flow Reynolds number to be at leas
Externí odkaz:
https://doaj.org/article/418b294b53294452aa29a7a731023c8f
Autor:
Hiroaki Kitajima, Marie Oshima, Toshinori Iwai, Yoshihito Ohhara, Yasuharu Yajima, Kenji Mitsudo, Iwai Tohnai
Publikováno v:
BioMedical Engineering OnLine, Vol 16, Iss 1, Pp 1-26 (2017)
Abstract Background Intra-arterial chemotherapy (IAC) for oral cancer can deliver a higher concentration of anticancer agent into a tumor-feeding artery than intravenous systemic chemotherapy. However, distribution of anticancer agent into several br
Externí odkaz:
https://doaj.org/article/e17519e2ccc14054b1efe014f267268b
Publikováno v:
Interdisciplinary Neurosurgery, Vol 2, Iss 2, Pp 72-75 (2015)
Phase-contrast magnetic resonance angiography (PC-MRA) is useful for the quantitative measurement of blood flow volume (BFV) in the internal cerebral arteries (ICAs) and basilar artery (BA). A 45-year-old man was diagnosed with a non-hemorrhagic high
Externí odkaz:
https://doaj.org/article/8423e0a1ee974c02a838a32076c53869