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A Non-invasive Measurement of Abdominal Pressure on Ambulatory Urodynamics Study Using Surface Electromyography  

Kim, Keo-Sik (Chonbuk Natl. Univ.)
Song, Chul-Gyu (Chonbuk Natl. Univ.)
Seo, Jeong-Hwan (Chonbuk Natl. Univ. Medical School)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.45, no.6, 2008 , pp. 132-140 More about this Journal
Abstract
Conventional rectal catheters which are used for the measurement of abdominal pressure can cause erroneous result affecting detrusor pressure, and the catheter itself is not comfortable to the patients. To reduce these problems, we invented a new method for measuring abdominal pressure in non invasive manner using surface electromyography (EMG) signals of the rectus abdominis muscle. Our results showed that the correlation coefficient and root mean square error (RMSE) between the measured abdominal pressures by the conventional rectal catheters and the estimated values by our proposed algorithm were $0.79{\pm}0.06$ and $0.10{\pm}0.07$, respectively. These findings suggest that the surface EMG of rectus abdominis muscle might be used indirectly for more convenient measurement of abdominal pressure on ambulatory urodynamic study.
Keywords
Ambulatory urodynamics monitoring; Electromyography; Abdominal pressure; Regression modeling;
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Times Cited By KSCI : 1  (Citation Analysis)
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