| Presentation | 1993/11/26 Analysis of small vibrations on aortic wall for local diagnosis of arteriosclerosis Masahiko Takano, Ken'ichi Kawabe, Hiroshi Kanai, Noriyoshi Chubachi, Yoshiro Koiwa, Hiroki Shioiri, Fumiaki Tezuka, Mitsuhiro Takahashi, |
|---|---|
| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have proposed a non-invasive method for diagnosis of arteriosclerosis.By detecting small vibration on the aortic wall near the heart by the ultrasound doppler method,and applying the spectrum analysis to the resultant vibration signals,the pulse wave velocity and the elasticity of the aortic wall can be diagnosed transcutaneously.This paper presents investigations of local propagation characteristics of pulse wave on the arterial wall due to heart beat.Pulse wave velocity is obtained by analyzing the small vibrations measured simultaneously at two points on a vessel wall.The acoustic properties of the arteriosclerotic lesion will change regionally.Thus,from in-vitro fundamental experiments,it is confirmed that these local acoustic properties (stiffness) of the wall is evaluated.Through the experiments with the extracted human thoracic aorta,it is found that the stiffness of the aorta is increased with aging |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | arteriosclerosis / pulse wave velocity / local acoustic properties / spectrum analysis / aging |
| Paper # | MBE93-87 |
| Date of Issue |
| Conference Information | |
| Committee | MBE |
|---|---|
| Conference Date | 1993/11/26(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | ME and Bio Cybernetics (MBE) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of small vibrations on aortic wall for local diagnosis of arteriosclerosis |
| Sub Title (in English) | |
| Keyword(1) | arteriosclerosis |
| Keyword(2) | pulse wave velocity |
| Keyword(3) | local acoustic properties |
| Keyword(4) | spectrum analysis |
| Keyword(5) | aging |
| 1st Author's Name | Masahiko Takano |
| 1st Author's Affiliation | Department of Electro.Engineering Faculty of Engineering,Tohoku University() |
| 2nd Author's Name | Ken'ichi Kawabe |
| 2nd Author's Affiliation | Department of Electro.Engineering Faculty of Engineering,Tohoku University |
| 3rd Author's Name | Hiroshi Kanai |
| 3rd Author's Affiliation | Department of Electro.Engineering Faculty of Engineering,Tohoku University |
| 4th Author's Name | Noriyoshi Chubachi |
| 4th Author's Affiliation | Department of Electro.Engineering Faculty of Engineering,Tohoku University |
| 5th Author's Name | Yoshiro Koiwa |
| 5th Author's Affiliation | First Department of Internal Medcine,Tohoku University School of Medcine |
| 6th Author's Name | Hiroki Shioiri |
| 6th Author's Affiliation | School of Medcine,Tohoku University |
| 7th Author's Name | Fumiaki Tezuka |
| 7th Author's Affiliation | Institute of Development,Aging and Cancer,Tohoku University |
| 8th Author's Name | Mitsuhiro Takahashi |
| 8th Author's Affiliation | Institute of Department,Aging and Cancer,Tohoku University |
| Date | 1993/11/26 |
| Paper # | MBE93-87 |
| Volume (vol) | vol.93 |
| Number (no) | 356 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |