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Accelerometer-Based Assessment of Intestinal Peristalsis: Toward Miniaturized Low-Power Solutions for Intestinal
Nora Vanessa de Camp1,2,3, Axel Heimann1, Oliver Kempski1
1Medical CenterJohannes Gutenberg University Mainz55122MainzGermany.
IEEE Journal of Translational Engineering in Health and Medicine
|September 25, 2018
Summary
We developed a new method using tiny accelerometers to precisely measure gastrointestinal motility changes after electrical stimulation. This technique offers potential for chronic monitoring of intestinal electrical stimulation effects.
Area of Science:
- Gastroenterology
- Biomedical Engineering
- Implantable Devices
Background:
- Intestinal electrical stimulation is used for disorders like constipation and incontinence.
- Current stimulation parameters are often empirical, lacking systematic study.
- Assessing intestinal motility is crucial for evaluating stimulation efficacy.
Purpose of the Study:
- To establish a novel method for recording gastrointestinal motility.
- To assess the effects of intestinal electrical stimulation on motility.
- To enable precise, localized measurement of 3-D intestinal movements.
Main Methods:
- Development of ultraminiaturized accelerometers for direct application to the gastrointestinal tract.
- Implantation of up to eight accelerometers on the stomach, small intestine, and colon in a pig model.
- Recording of local motility changes in response to electrical stimulation.
Main Results:
- Demonstrated the ability to precisely record local gastrointestinal motility changes.
- Showcased stimulation-dependent motility alterations.
- Highlighted the system's low energy demand and small size for potential chronic use.
Conclusions:
- The ultraminiaturized accelerometer system provides a novel approach to assess gastrointestinal motility.
- This technique allows for precise, localized measurement of motility changes post-electrical stimulation.
- The system holds promise for chronic, multi-site monitoring in the intestinal tract.
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