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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chih-Chung Huang Po-Hsiaug Tsui Shyh-Hau Wang |
| Copyright Year | 1986 |
| Abstract | The main purpose of this study is to detect blood coagulation under flow condition by analyzing Nakagami statistical model of backscattered signals. The radiofrequency (RF) signals backscattered from flowing blood were measured with a 10-MHz focused transducer. A 30-ml aliquot of blood was circulated in the flow model, and 3 ml of 0.5 M calcium chloride solution was added to induce blood coagulation. The progression in the blood coagulation due to the addition of the calcium chloride solution resulted in the integrated backscatter being increased by 4.2 plusmn 0.5 dB, then tended to stabilize as the clot was formed. The Nakagami parameter was approximately 0.75 plusmn 0.1 for flowing blood during the initial stage of blood coagulation, and it increased rapidly to its highest level of 2.6 plusmn 0.5 during clotting. These experimental results demonstrate the feasibility of using the ultrasonic statistical parameter for detecting blood coagulation from flowing blood and provide a novel method for further monitoring the progress of clotting and thrombosis in vivo |
| File Size | 919115 |
| File Format | |
| ISSN | 08853010 |
| Volume Number | 54 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-02-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Blood Statistical analysis Coagulation Radio frequency Calcium Signal analysis RF signals Transducers Backscatter Condition monitoring |
| Content Type | Text |
| Resource Type | Article |
| Subject | Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering |
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