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| Presentation | 2016-03-09 14:50 Long sleep time improve heart rate variability in patients with mild hypertension and/or the initial stage of heart failure Natsuki Nakayama (Chubu Univ.)  MICT2015-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Several prior studies have considered sleep to be involved in the prognosis of cardiovascular diseases. The purpose of the present study was to determine the effects of sleep time on heart rate variability (HRV) in sleep periods and to clarify relationships between sleep time and sympathovagal balance. Sleep time and HRV were measured by Holter ECG. Heart rate (HR), low frequency (LF), high frequency (HF) and LF/HF were expressed as average values. HRV parameters were calculated 1 hour after sleep onset (1After), 3 hours after sleep onset (3After) and 1 hour before awakening (1Awake). The sleep times for 25 patients were longer than the average sleep time of the study participants. Their parasympathetic activities were significantly higher compared to patients with lower-than-average sleep times. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Heart rate variability / cardiovascular diseases / sleep / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 499, MICT2015-56, pp. 17-19, March 2016. | |
| Paper # | MICT2015-56 | |
| Date of Issue | 2016-03-02 (MICT) | |
| 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 | MICT2015-56 |
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| Conference Information | |
| Committee | MICT |
| Conference Date | 2016-03-09 - 2016-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Healthcare and Medical Information Communication Technologies, etc |
| Paper Information | |
| Registration To | MICT |
| Conference Code | 2016-03-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Long sleep time improve heart rate variability in patients with mild hypertension and/or the initial stage of heart failure |
| Sub Title (in English) | |
| Keyword(1) | Heart rate variability |
| Keyword(2) | cardiovascular diseases |
| Keyword(3) | sleep |
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| 1st Author's Name | Natsuki Nakayama |
| 1st Author's Affiliation | Chubu University (Chubu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2016-03-09 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MICT |
| Paper # | MICT2015-56 |
| Volume (vol) | vol.115 |
| Number (no) | no.499 |
| Page | pp.17-19 |
| #Pages | 3 |
| Date of Issue | 2016-03-02 (MICT) |
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