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题名: Signal reconstruction of the slow wave and spike potential from electrogastrogram
作者: Qin SJ(秦书嘉); Ding W(丁伟); Mou L(缪磊); Xi N(席宁); Li HY(李洪谊); Yang CM(杨春敏)
作者部门: 机器人学研究室
关键词: Electrogastrogram (EGG) ; gastric spike potential ; discrete wavelet transforms ; wavelet packets
刊名: BIO-MEDICAL MATERIALS AND ENGINEERING
ISSN号: 0959-2989
出版日期: 2015
卷号: 26, 页码:S1515-S1521
收录类别: SCI
产权排序: 1
项目资助者: State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, under Grant Chinese NSF [61102014]
摘要: The gastric slow wave and the spike potential can correspondingly represent the rhythm and the intensity of stomach motility. Because of the filtering effect of biological tissue, electrogastrogram (EGG) cannot measure the spike potential on the abdominal surface in the time domain. Thus, currently the parameters of EGG adopted by clinical applications are only the characteristics of the slow wave, such as the dominant frequency, the dominant power and the instability coefficients. The limitation of excluding the spike potential analyses hinders EGG from being a diagnosis to comprehensively reveal the motility status of the stomach. To overcome this defect, this paper a) presents an EGG reconstruction method utilizing the specified signal components decomposed by the discrete wavelet packet transform, and b) obtains a frequency band for the human gastric spike potential through fasting and postprandial cutaneous EGG experiments for twenty-five human volunteers. The results indicate the lower bound of the human gastric spike potential frequency is 0.96 +/- 0.20 Hz (58 +/- 12 cpm), and the upper bound is 1.17 +/- 0.23 Hz (70 +/- 14 cpm), both of which have not been reported before to the best of our knowledge. As an auxiliary validation of the proposed method, synchronous serosa-surface EGG acquisitions are carried out for two dogs. The frequency band results for the gastric spike potential of the two dogs are respectively 0.83-0.90 Hz (50-54 cpm) and 1.05-1.32 Hz (63-79 cpm). They lie in the reference range 50-80 cpm proposed in previous literature, showing the feasibility of the reconstruction method in this paper.
语种: 英语
WOS记录号: WOS:000361671800168
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Biomedical ; Materials Science, Biomaterials
关键词[WOS]: ELECTRICAL-ACTIVITY ; RESOLUTION ; TRANSFORM ; STOMACH ; ORIGIN
研究领域[WOS]: Engineering ; Materials Science
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/17125
Appears in Collections:机器人学研究室_期刊论文

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