| Presentation | 2021-11-05 Sleep Apnea Syndrome Detection based on Characteristics of Micro-WAKE during Sleep Iko Nakari, Keiki Takadama, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper describes the analysis of sequential sleep stage focused on previous and after of WAKE stage (shallow sleep) based on the differences which were discovered through the comparison of the feature importance of each frequency of power spectrum calculated from Random Forests (RF). The RF was trained with the power spectrum of bio-vibration data during WAKE/non-WAKE. From the result, the following implications have been revealed: (1) healthy subjects tend to have continuos WAKE; while (2) SAS subjects tend to have a higher frequency of sudden WAKE from deep sleep (i.e., micro-WAKE) than healthy subjects; (3) based on these differences between SAS subjects and healthy subjects, the designed conditions distinguish the nine SAS subjects from nine healthy subjects, and it is expected that the conditions have the potential of the novel index for SAS detection; and (4) micro-WAKE in SAS subjects is a negative chain that leads to unstable breathing, further increases in apnea/hypopnea events, and an increase in micro-WAKE. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | sleep apnea syndrome / non-contact / simple sensor / mat sensor / sleep |
| Paper # | MICT2021-36,MI2021-34 |
| Date of Issue | 2021-10-29 (MICT, MI) |
| Conference Information | |
| Committee | MI / MICT |
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| Conference Date | 2021/11/5(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Medical imaging technology, healthcare and medical information communication technology |
| Chair | Hidekata Hontani(Nagoya Inst. of Tech.) / Eisuke Hanada(Saga Univ.) |
| Vice Chair | Hideaki Haneishi(Chiba Univ.) / Takayuki Kitasaka(Aichi Inst. of Tech.) / Hirokazu Tanaka(Hiroshima City Univ.) / Daisuke Anzai(Nagoya Inst. of Tech.) |
| Secretary | Hideaki Haneishi(Yamaguchi Univ.) / Takayuki Kitasaka(Univ. of Hyogo) / Hirokazu Tanaka(Yokohama National Univ.) / Daisuke Anzai(KISTEC) |
| Assistant | Hotaka Takizawa(Tsukuba Univ.) / Yoshito Otake(NAIST) / Takahiro Ito(Hiroshima City Univ) / Kento Takabayashi(Okayama Pref. Univ.) / Takuya Nishikawa(National Cerebral and Cardiovascular Center Hospital) |
| Paper Information | |
| Registration To | Technical Committee on Medical Imaging / Technical Committee on Healthcare and Medical Information Communication Technology |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sleep Apnea Syndrome Detection based on Characteristics of Micro-WAKE during Sleep |
| Sub Title (in English) | |
| Keyword(1) | sleep apnea syndrome |
| Keyword(2) | non-contact |
| Keyword(3) | simple sensor |
| Keyword(4) | mat sensor |
| Keyword(5) | sleep |
| 1st Author's Name | Iko Nakari |
| 1st Author's Affiliation | The University of Electro-Communications(UEC) |
| 2nd Author's Name | Keiki Takadama |
| 2nd Author's Affiliation | The University of Electro-Communications(UEC) |
| Date | 2021-11-05 |
| Paper # | MICT2021-36,MI2021-34 |
| Volume (vol) | vol.121 |
| Number (no) | MICT-230,MI-231 |
| Page | pp.pp.37-42(MICT), pp.37-42(MI), |
| #Pages | 6 |
| Date of Issue | 2021-10-29 (MICT, MI) |