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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Keo-Sik Kim Yang-Su An Jeong-Hwan Seo Chul-Gyu Song |
| Copyright Year | 2008 |
| Description | Author affiliation: Electron. Eng. Dept., Chonbuk Nat. Univ., Jeonju (Keo-Sik Kim; Yang-Su An; Chul-Gyu Song) || Rehabilitation Med. Dept., Chonbuk Nat. Univ. Hosp., Jeonju (Jeong-Hwan Seo) |
| Abstract | In this study, we determined the optimum electrode pair to quantify abdominal pressure using bio-impedance method and compared with conventional methods by rectal catheter. Because impedance changes differ from a weight, a height, contractile force, volume of muscle and blood other or whatever of individuals, it was quantified using correlation coefficient, SNR and IER (impedance-to-EMG ratio) values. Our results showed that the optimum electrode pair was (1, 9) which could detect impedance changes due to daily events (cough, sneeze and conversation as well as diverse postures). It is the cause that this optimum electrode pair (1, 9) is synthetically reflected in physiological changes of various muscles (rectus abdominis, trasversus abdominis, external and internal oblique muscle) related to an abdomen contraction. The correlation coefficient between the abdominal pressure, measured using a rectal catheter, and the values, estimated using impedance method, was 0.77. However, correlation coefficient with values estimated using EMG method was 0.58, and it is remarkably lower than values using impedance method. Therefore, this result demonstrated that the abdominal pressure could be measured more correctly using impedance method than using EMG method. We demonstrated that this optimum electrode configuration would be useful for future studies involving the convenient measurement of abdominal pressure by ambulatory urodynamics monitoring. |
| Starting Page | 563 |
| Ending Page | 568 |
| File Size | 319203 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424421435 |
| DOI | 10.1109/MFI.2008.4648055 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-08-20 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Impedance Electrodes Electromyography Muscles Impedance measurement Correlation Pressure measurement |
| Content Type | Text |
| Resource Type | Article |
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