| Effects of metoclopramide on gastric motility measured by short-term bio-impedance. | |
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MedLine Citation:
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PMID: 19824108 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIM: To analyze the accuracy of short-term bio-impedance as a means of measuring gastric motility. METHODS: We evaluated differences in the short-term electrical bio-impedance signal from the gastric region in the following conditions: (1) fasting state, (2) after the administration of metoclopramide (a drug that induces an increase in gastric motility) and (3) after food ingestion in 23 healthy volunteers. We recorded the real component of the electrical impedance signal from the gastric region for 1000 s. We performed a Fast Fourier Transform (FFT) on this data and then compared the signal among the fasting, medicated, and postprandial conditions using the median of the area under the curve, the relative area under the curve and the main peak activity. RESULTS: The median of the area under the curve of the frequency range in the region between 2-8 cycles per minute (cpm) decreased from 4.7 cpm in the fasting condition to 4.0 cpm in the medicated state (t = 3.32, P = 0.004). This concurred with the decrease seen in the relative area under the FFT curve in the region from 4 to 8 cpm from 38.3% to 26.6% (t = 2.81, P = 0.012) and the increase in area in the region from 2 to 4 cpm from 22.4% to 27.7%, respectively (t = -2.5, P = 0.022). Finally the main peak position also decreased in the region from 2 to 8 cpm. Main peak activity in the fasting state was 4.72 cpm and declined to 3.45 cpm in the medicated state (t = 2.47, P = 0.025). There was a decrease from the fasting state to the postprandial state at 3.02 cpm (t = 4.0, P = 0.0013). CONCLUSION: Short-term electrical bio-impedance can assess gastric motility changes in individuals experiencing gastric stress by analyzing the area medians and relative areas under the FFT curve. |
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Authors:
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María-Raquel Huerta-Franco; Miguel Vargas-Luna; Kathleen M Capaccione; Etna Yañez-Roldán; Ulises Hernández-Ledezma; Ismael Morales-Mata; Teodoro Córdova-Fraga |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: World journal of gastroenterology : WJG Volume: 15 ISSN: 1007-9327 ISO Abbreviation: World J. Gastroenterol. Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2009-10-13 Completed Date: 2010-01-27 Revised Date: 2010-09-28 |
Medline Journal Info:
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Nlm Unique ID: 100883448 Medline TA: World J Gastroenterol Country: China |
Other Details:
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Languages: eng Pagination: 4763-9 Citation Subset: IM |
Affiliation:
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Department of Applied Science and Labor Research, DCS-Campus León, University of Guanajuato, Av Eugenio Garza Sada 572, Colonia Lomas del Campestre, 37150, León Gto, Mexico. huertafranco@hotmail.com |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Antiemetics / pharmacology* Electric Impedance Electrophysiology / methods Fasting Female Fourier Analysis Gastric Emptying / drug effects* Gastrointestinal Motility / drug effects* Humans Male Metoclopramide / pharmacology* Postprandial Period Stomach / drug effects* |
| Chemical | |
Reg. No./Substance:
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0/Antiemetics; 364-62-5/Metoclopramide |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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