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Optimum Unit Time on Calculating Occurrence Frequency of Bowel Sounds for Real-Time Monitoring of Bowel Peristalsis

Osamu Sakata and Yutaka Suzuki
Faculty of Engineering, University of Yamanashi, Kofu, Yamanashi, Japan
Abstract—Long-Term and real-time bowel sound recording/analysis is useful for monitoring activity of bowel peristalsis clinically and industrially. We have studied its application with food design, nutrition management, dietary therapy, critical care and so on in mind. Therefore, we built a BS measurement/analysis system including development of the dedicated sensor for BS and the abdomen audible signal processing method. Although we got some useful knowledge as the result, the matter to consider is still left behind. We had carried out evaluation of peristaltic activity of an intestine, focusing on change of the number of bowel sounds generating per unit time. However we have not examined the optimal length of this unit time yet. Here, based on an easy experimental examination, we report that the optimal unit time length for calculating occurrence frequency of bowel sounds is estimated as one to two minutes. 
 
Index Terms—unit time, bowel sound, occurrence frequency, real-time monitoring

Cite: Osamu Sakata and Yutaka Suzuki, "Optimum Unit Time on Calculating Occurrence Frequency of Bowel Sounds for Real-Time Monitoring of Bowel Peristalsis," International Journal of Signal Processing Systems, Vol. 4, No. 6, pp. 465-468, December 2016. doi: 10.18178/ijsps.4.6.465-468
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