Magnetic field goniometry : A new method to measure the frequency of stomach contractions

Magnetic field goniometry : A new method to measure the frequency of stomach contractions

A system of magnetic field goniometry was developed for measuring the frequency of stomach contractions. This technique uses a handheld, electronic compass to measure the angular change in direction of a magnetic field generated by a small, ingested magnet. Measurements of gastric mechanical activit...

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Bibliographic Details
Published in:Digestive diseases and sciences Vol. 44; no. 9; pp. 1735 - 1740
Main Authors: MANIPRAKASH, N, BROWN, M. C, SPELMAN, F. A, NELSON, J. A, READ, P, HEITKEMPER, M. M, TOBIN, R. W, POPE, C. E
Format: Journal Article
Language:English
Published: Heidelberg Springer 01-09-1999
Springer Nature B.V
Subjects:
Adult
Biological and medical sciences
Electrophysiology - methods
Female
Functional investigation of the digestive system
Gastroenterology - methods
Gastrointestinal Motility - physiology
Humans
Investigative techniques, diagnostic techniques (general aspects)
Magnetics
Male
Manometry
Medical sciences
Middle Aged
Pilot Projects
Human
Manometry
Stomach
Goniometry
Digestive system
Gut
Instrumentation therapy
Gastrointestinal
Experimental protocol
Result
Electrodiagnosis
Comparison measurement
Pilot test
Electromyography
Technique
Magnetic field
Motricity
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Summary:A system of magnetic field goniometry was developed for measuring the frequency of stomach contractions. This technique uses a handheld, electronic compass to measure the angular change in direction of a magnetic field generated by a small, ingested magnet. Measurements of gastric mechanical activity made by goniometry were validated with simultaneous measurements using manometry and electrogastrography. The agreement between these different modalities was excellent. In this pilot study, magnetic field goniometry provided an easy, minimally invasive, and accurate method to measure the frequency of gastric contractions.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0163-2116
1573-2568
DOI:10.1023/A:1018896315048