Výsledky vyhledávání - "Hisamitsu NAKAHASHI"

Relationship between liver function and splenic blood flow (Quantitative measurement of splenic blood flow with H2 15O and a dynamic state method: 2)

Autor: Hiroki Taniguchi, Atsushi Oguro, Toshio Takahashi, Tadashi Inaba, H Koyama, Keigo Miyata, K Takeuchi, Hisamitsu Nakahashi, Hiroki Tanaka

Publikováno v: Annals of Nuclear Medicine. 7:251-255

We measured splenic blood flow in 55 patients by means of quantitative splenic positron emission tomography (PET), a novel, dynamic state method with H2(15)O as a tracer. Twenty-four of the 55 patients suffered from liver cirrhosis (LC), 25 showed no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9365c419bd51c782aec00f75ef374d9
https://doi.org/10.1007/bf03164706

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Positron Emission Tomographic Measurement of Acute Hemodynamic Changes in Primate Middle Cerebral Artery Occlusion

Autor: Hiroshi TENJIN, Satoshi UEDA, Norihiko MIZUKAWA, Yoshio IMAHORI, Akihiko HINO, Yoshio OHMORI, Kiyoshi YASUKOCHI, Hisamitsu NAKAHASHI, Kazuo WAKITA, Hitoshi HORII, Ryou FUJII

Publikováno v: Neurologia medico-chirurgica. 32:805-810

Specific hemodynamic changes in acute ischemia were investigated using a middle cerebral artery occlusion primate model and positron emission tomography. The cerebral blood flow (CBF), cerebral blood volume, oxygen extraction fraction (OEF), and cere

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8efa7dbaff6b9e6b8c03a4100ce5b1d
https://doi.org/10.2176/nmc.32.805

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New synthesis system of (C-11)propyl ketene and its reactons with various alcohols

Autor: Takehiko Yagyu, Satoshi Ueda, Ryou Fujii, Yoshio Imahori, Hisamitsu Nakahashi, Hitoshi Horii, Y. Lucas Yamamoto, Yoshihiko Moriyama, Kazuo Wakita, Tatsuo Ido

Publikováno v: Journal of Labelled Compounds and Radiopharmaceuticals. 29:497-505

A new synthesis of (C-11)propyl ketene using a HCl/Helium gas mixture and glass beads was developed. This improved synthesis method gave high yields and good reproducibility, which had been difficult to attain with our previous method. The (C-11) pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb8f8ee8dac5e29b1816495993daa9d5
https://doi.org/10.1002/jlcr.2580290502

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Positron Emission Tomographic Studies on Cerebral Hemodynamics in Patients with Cerebral Contusion

Autor: Hisamitsu Nakahashi, Masato Yamashita, Kimiyoshi Hirakawa, Toshihiko Ebisu, Tetsuhiko Kuboyama, Tarumi Yamaki, Akihiko Hino, Yoshio Imahori, Norihiko Mizukawa, Satoshi Ueda, Hiroshi Tenjin

Publikováno v: Neurosurgery. 26:971-979

Positron emission tomography is currently one of the most useful methods for measurements of cerebral hemodynamics and oxygen metabolism, because it facilitates accurate analysis of the local cerebral circulation in three-dimensional quantitative ima

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf0c051824b33f017712cec212720062
https://doi.org/10.1227/00006123-199006000-00009

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A case of pulmonary hemorrhage of unknown cause complicated with renal failure probably due to acute exacerbation of chronic glomerulonephritis

Autor: Yoshifumi Maruyama, Takeshi Kakiuchi, Hisao Mabuchi, Tadashi Aoki, Hisamitsu Nakahashi

Publikováno v: Journal of Japanese Society for Dialysis Therapy. 23:573-579

症例は65歳女. 血痰と呼吸困難を主訴に入院. 著明な貧血と肺出血および腎機能の低下を認めた. Methylpredonisoloneの投与を開始したが効果がなく, 急速に肺出血の増強による呼吸不全をきた�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2e2a0bbd23b75a67396d7260b16c764
https://doi.org/10.4009/jsdt1985.23.573

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Evaluation of renal blood volume by PET. The aorta-kidney equilibrium monitored with C15O

Autor: Masato Yamashita, Yohei Oda, Seiichi Furuya, Tadashi Inaba, Hisamitsu Nakahashi, Norihiko Mizukawa, Yo Ushijima

Publikováno v: RADIOISOTOPES. 39:577-580

Twenty subjects inhaled C15O and its dynamics were monitored to determine when equilibrium between the aorta and kidney occurred. One minute after inhalation, the increase in radioactivity in the aorta paralleled that in the kidney, but thereafter, b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88f886690e326c9b920d2b35ad7f01a7
https://doi.org/10.3769/radioisotopes.39.12_577

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Quantification of human splenic blood flow (quantitative measurement of splenic blood flow with H2(15)O and a dynamic state method: 1)

Autor: K Takeuchi, Hiroki Tanaka, H Koyama, Toshio Takahashi, Hisamitsu Nakahashi, Atsushi Oguro, Tadashi Inaba, Keigo Miyata, Hiroki Taniguchi

Publikováno v: Annals of nuclear medicine. 7(4)

Positron emission tomography (PET) by means of a dynamic state method and H2 15O was performed to quantify splenic blood flow in 20 patients who had no hepatic functional disorders. Non-linear regression analysis was applied to determine splenic bloo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a0ab678ecbca350d99e4c5bdb3feb3f
https://pubmed.ncbi.nlm.nih.gov/8292450

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Difference in regional hepatic blood flow in liver segments--non-invasive measurement of regional hepatic arterial and portal blood flow in human by positron emission tomography with H2(15)O

Autor: Atsushi Oguro, Toshio Takahashi, Tadashi Inaba, Hiroki Taniguchi, Hisamitsu Nakahashi, Keigo Miyata, K Takeuchi

Publikováno v: Annals of nuclear medicine. 7(3)

Organ blood flow can be quantitatively measured by positron emission tomography (PET). As the liver has dual blood supplies, arterial and portal, regional hepatic blood flow had not been measured quantitatively. However, we succeeded in simultaneousl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14b738e5a94ff32be9faa57dab7b3fb1
https://pubmed.ncbi.nlm.nih.gov/8217488

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