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| Presentation | 2008-03-13 14:30 Estimation error of MRI tracer concentration relating to blood vessel diameter Hidetaka Iida (Akita Pref. Univ.), Kazuhiro Nakamura, Yasushi Kondoh, Masanobu Ibaraki, Toshibumi Kinoshita (Akita Res. Inst. Brain and Blood Vessels), Guoyue Chen (Akita Pref. Univ.)  MBE2007-116 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Our previous research suggested that rat cerebral blood flow (CBF) in ischemic tissue using dynamic susceptibility contrast (DSC) method was over estimated. We proposed that the proportional constant between signal intensity and tracer concentration is different for normal and ischemic tissue. NMR signal reduction acquired by DSC method in a tissue including different vessel diameters was compared to computer simulated estimations. The signal reduction ratio in the tissue for dilating vessels was simulated on the appropriate assumption of the vessel diameter distribution. The results show that the proportional constant in the ischemic tissue increases with vessel dilation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MRI / Dynamic susceptibility contrast method / Ischemia model rat / CBF / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 541, MBE2007-116, pp. 45-48, March 2008. | |
| Paper # | MBE2007-116 | |
| Date of Issue | 2008-03-06 (MBE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MBE2007-116 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2008-03-12 - 2008-03-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa Univ |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2008-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation error of MRI tracer concentration relating to blood vessel diameter |
| Sub Title (in English) | |
| Keyword(1) | MRI |
| Keyword(2) | Dynamic susceptibility contrast method |
| Keyword(3) | Ischemia model rat |
| Keyword(4) | CBF |
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| 1st Author's Name | Hidetaka Iida |
| 1st Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
| 2nd Author's Name | Kazuhiro Nakamura |
| 2nd Author's Affiliation | Akita Research Institute for Brain and Blood Vessels (Akita Res. Inst. Brain and Blood Vessels) |
| 3rd Author's Name | Yasushi Kondoh |
| 3rd Author's Affiliation | Akita Research Institute for Brain and Blood Vessels (Akita Res. Inst. Brain and Blood Vessels) |
| 4th Author's Name | Masanobu Ibaraki |
| 4th Author's Affiliation | Akita Research Institute for Brain and Blood Vessels (Akita Res. Inst. Brain and Blood Vessels) |
| 5th Author's Name | Toshibumi Kinoshita |
| 5th Author's Affiliation | Akita Research Institute for Brain and Blood Vessels (Akita Res. Inst. Brain and Blood Vessels) |
| 6th Author's Name | Guoyue Chen |
| 6th Author's Affiliation | Akita Prefectural University (Akita Pref. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-03-13 14:30:00 |
| Presentation Time | 20 minutes |
| Registration for | MBE |
| Paper # | MBE2007-116 |
| Volume (vol) | vol.107 |
| Number (no) | no.541 |
| Page | pp.45-48 |
| #Pages | 4 |
| Date of Issue | 2008-03-06 (MBE) |
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