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Gastric motility measurement by MRI

  • Section I: Role And Integration Of Mechanisms Controlling Gastric Emptying
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Abstract

The motor mechanisms associated with gastric emptying of nutrient liquids are unclear. Gastric emptying and motility were determined in seven healthy volunteers using an MRI technique following ingestion of 500 ml of (1) 10% and (2) 25% dextrose labeled with 1 mM Gd-DOTA. Emptying was determined with transaxial scans and motility during fast coronal scans 1.2 sec apart. Emptying was slower after ingestion of 25% dextrose. Following both meals, proximal gastric diameter remained relatively constant, while antral contractile frequency and depth varied markedly. These variations were greater after 10% dextrose. These studies suggest that antral motility changes contribute to slowing of gastric emptying by nutrient meals.

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Authors and Affiliations

  1. Division of Gastroenterology, PMU/CHUV, Lausanne, Switzerland

    R. Fraser MD, PhD, W. Schwizer MD, J. Borovicka MD, K. Asal MD & M. Fried MD, PhD

  2. University Department of Medicine, Royal Adelaide Hospital, North Terrace, Adelaide, South Australia

    R. Fraser MD, PhD, W. Schwizer MD, J. Borovicka MD, K. Asal MD & M. Fried MD, PhD

Authors
  1. R. Fraser MD, PhD
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  2. W. Schwizer MD
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  3. J. Borovicka MD
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  4. K. Asal MD
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  5. M. Fried MD, PhD
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Fraser, R., Schwizer, W., Borovicka, J. et al. Gastric motility measurement by MRI. Digest Dis Sci 39 (Suppl 12), 20S–23S (1994). https://doi.org/10.1007/BF02300363

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  • DOI: https://doi.org/10.1007/BF02300363

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