Reproducibility of cutaneous electrogastrography in the fasting state in man.

G. Riezzo, F. Pezzolla, J. Thouvenot, I. Giorgio

Research output: Contribution to journalArticle

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Abstract

Cutaneous electrogastrography (EGGc), the recording of gastric electrical activity from the cutaneous abdominal surface, still presents a series of difficulties connected with the interpretation of signals. In this study, the authors evaluated the reproducibility of electrogastrographic data over a period of time by making recordings on three consecutive days in a group of healthy subjects. The recordings (lasting 1 hour) were made in the morning on fasting subjects. Three sets of bipolar cutaneous electrodes were placed on the abdomen around the pyloric radiological projection and the couple 3-6 corresponded to the antral axis. The spectral analysis of data was computed by fast Fourier transform. Their data confirmed that the 3-6 couple, corresponding to the antral axis, provides the strongest EGG signal. Each subject's mean gastric frequency and power were evaluated on the three consecutive recording days. The mean frequency was 2.83 +/- 0.22, 2.89 +/- 0.23, and 2.86 +/- 0.16 cpm on day I, day II and day III respectively. The mean power was 54.80 +/- 21.34, 46.86 +/- 21.52 and 49.25 +/- 19.55 microV 2 on day I, day II and day III respectively. The analysis of variance showed that the mean gastric frequency and power were not significantly different on the three days (p > 0.05). This shows that the frequency of the EGGc signal remains stable in the course of time and hence that EGGc is a reliable method of studying disorders in gastric electrical rhythm.(ABSTRACT TRUNCATED AT 250 WORDS)

Original languageEnglish
Pages (from-to)889-894
Number of pages6
JournalPathologie Biologie
Volume40
Issue number9
Publication statusPublished - Nov 1992

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Fasting
Stomach
Skin
Fourier Analysis
Abdomen
Ovum
Analysis of Variance
Healthy Volunteers
Electrodes
Power (Psychology)
Antral

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Reproducibility of cutaneous electrogastrography in the fasting state in man. / Riezzo, G.; Pezzolla, F.; Thouvenot, J.; Giorgio, I.

In: Pathologie Biologie, Vol. 40, No. 9, 11.1992, p. 889-894.

Research output: Contribution to journalArticle

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