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| Presentation | 2016-01-19 13:20 Respiratory synchronized DSA imaging for assist of catheter insertion Takashi Ohnishi, Yuya Takano (Chiba Univ.), Hideyuki Kato, Yoshihiko Ooka (Chiba Univ. Hosp.), Hideaki Haneishi (Chiba Univ.)  MI2015-80 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Intervention with a catheter is conducted under X-ray fluoroscopy. In this intervention, angiography and digital subtraction angiography (DSA) are conducted to enhance blood vessels. In DSA, displacement and deformation of vessels caused by respiration are not considered because an image for only one phase can be acquired during breath holding. Therefore, physician has to recognize the position of catheter in assuming displacement and transformation of vessels in the operation. In this paper, we propose a new method for generating DSA images corresponding to all respiratory phases and synchronizing with fluoroscopy in order to assist physician in recognizing the position relationship between blood vessels and catheter. In this method, we acquire angiography after deciding field of view under natural respiration in multiple phases and choose a frame of angiography in the most similar respiratory phase with intraoperative fluoroscopy by a pattern matching technique. After synchronization of two sets of images, DSA images are generated by subtracting those two images. The proposed method enables to produce DSA images synchronized with intraoperative fluoroscopy without breath holding and we confirmed effectiveness of the method through an experiment at a clinical site. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Digital Subtraction Angiography (DSA) / Roadmap / Respiratory synchronization / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 401, MI2015-80, pp. 41-44, Jan. 2016. | |
| Paper # | MI2015-80 | |
| Date of Issue | 2016-01-12 (MI) | |
| 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 | MI2015-80 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2016-01-19 - 2016-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Bunka Tenbusu Kan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General topics in medical imaging |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2016-01-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Respiratory synchronized DSA imaging for assist of catheter insertion |
| Sub Title (in English) | |
| Keyword(1) | Digital Subtraction Angiography (DSA) |
| Keyword(2) | Roadmap |
| Keyword(3) | Respiratory synchronization |
| Keyword(4) | |
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| Keyword(8) | |
| 1st Author's Name | Takashi Ohnishi |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Yuya Takano |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Hideyuki Kato |
| 3rd Author's Affiliation | Chiba University Hospital (Chiba Univ. Hosp.) |
| 4th Author's Name | Yoshihiko Ooka |
| 4th Author's Affiliation | Chiba University Hospital (Chiba Univ. Hosp.) |
| 5th Author's Name | Hideaki Haneishi |
| 5th Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2016-01-19 13:20:00 |
| Presentation Time | 40 minutes |
| Registration for | MI |
| Paper # | MI2015-80 |
| Volume (vol) | vol.115 |
| Number (no) | no.401 |
| Page | pp.41-44 |
| #Pages | 4 |
| Date of Issue | 2016-01-12 (MI) |
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