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| Presentation | 2019-09-25 16:25 Improvement in estimation accuracy of luminal surface roughness of carotid artery by ultrasonic measurement -- examination on the elimination method of pulsatile components of blood vessel -- Takahisa Abe, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.)  US2019-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Measuring the tens of microns’ roughness on the luminal surface of the arterial wall is expected to realize an extremely early diagnosis of arteriosclerosis. In our previous study, the method for measuring micron-order surface roughness without being affected by heterogeneous regions in sound velocity between the carotid artery and the skin was proposed. In this method, the surface roughness is measured by using the movement of the carotid artery approximately 1 mm in the longitudinal direction due to pulsation. However, the carotid artery wall also moves approximately 500 μm in the radial direction due to pulsation. In this paper, we proposed a method of improving the estimation accuracy of luminal surface roughness of carotid artery by locally estimating and removing radial displacement due to pulsation. The usefulness of our proposed method was indicated by basic experiments using phantoms and in vivo experiments on human carotid arteries. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ultrasound / Arteriosclerosis / Cardiovascular disease / Measurement of surface roughness / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 211, US2019-56, pp. 53-58, Sept. 2019. | |
| Paper # | US2019-56 | |
| Date of Issue | 2019-09-18 (US) | |
| 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 | US2019-56 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2019-09-25 - 2019-09-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2019-09-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improvement in estimation accuracy of luminal surface roughness of carotid artery by ultrasonic measurement |
| Sub Title (in English) | examination on the elimination method of pulsatile components of blood vessel |
| Keyword(1) | Ultrasound |
| Keyword(2) | Arteriosclerosis |
| Keyword(3) | Cardiovascular disease |
| Keyword(4) | Measurement of surface roughness |
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| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Takahisa Abe |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Shohei Mori |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Mototaka Arakawa |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Hiroshi Kanai |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-09-25 16:25:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2019-56 |
| Volume (vol) | vol.119 |
| Number (no) | no.211 |
| Page | pp.53-58 |
| #Pages | 6 |
| Date of Issue | 2019-09-18 (US) |
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