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393 results on '"Schwizer, W."'

14. Non-invasive investigation of gastrointestinal functions with magnetic resonance imaging: towards an 'ideal' investigation of gastrointestinal function. (Paper)

Author

Schwizer, W., Fox, M., and Steingotter, A.

Subjects
Magnetic resonance imaging -- Innovations -- Usage -- Evaluation -- Research, Gastrointestinal system -- Medical examination -- Usage -- Research, Digestion -- Research -- Usage, Health, Evaluation, Usage, Innovations, Medical examination, Research
Abstract

Gastrointestinal (GI) Function is complex and physiological measurements are subject to a variety of technical difficulties and practical limitations. The ideal technique would be non-invasive, widely available, convenient, and reliable [...]

Published
2003

15. Non-invasive measurement of gastric accommodation in humans. (Visceral Perception)

Author

Schwizer, W., Steingotter, A., Fox, M., Zur, T., Thumshirn, M., Bosiger, P., and Fried, M.

Subjects
Gastroenterology -- Research -- Physiological aspects, Gastrointestinal system -- Physiological aspects -- Research, Digestion -- Physiological aspects -- Research, Health, Physiological aspects, Research
Abstract

Gastric accommodation describes the reduction in gastric tone and increase in compliance that follows ingestion of a meal and involves at least two responses: 'receptive relaxation' which allows the stomach [...]

Published
2002

22. Gastro-Highlights 2007

Author

Schöpfl, R., Schwizer, W., Müllhaupt, B., Rösch, T., Schachschal, G., Bauerfeind, P., Wirth, H.P., Rogler, G., and Fried, M.

Published
2008
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33. Role of lipase in the regulation of upper gastrointestinal function in humans

Author

Schwizer, W., Asal, K., Kreiss, C., Mettraux, C., Borovicka, J., Remy, B., Guzelhan, C., Hartmann, D., and Fried, M.

Subjects
Lipase -- Physiological aspects, Gastrointestinal system -- Physiological aspects, Cholecystokinin -- Physiological aspects, Stomach -- Secretions, Biological sciences
Abstract

The regulation of cholecystokinin (CCK) release, gastric emptying and pancreaticobiliary secretion by the specific lipase inhibitor orlistat is examined. Using a double-indicator procedure, nine healthy males aged 22-40 were subjected to different test meals to analyze the specificity of orlistat. Results show that output of postprandial lipase activities and immunoreactive lipase increased following ingestion of the meals. Output of enzymatically active and immunoreactive lipase eventually declined after reaching their highest level.

Published
1997

37. Measurement of proximal and distal gastric motility with magnetic resonance imaging

Author

Schwizer, W., Fraser, R., Borovicka, J., Asal, K., Crelier, G., Kunz, P., Boesiger, P., and Fried, M.

Subjects
Gastrointestinal system -- Motility, Magnetic resonance imaging -- Usage, Biological sciences
Abstract

Gastric emptying in humans was investigated using the magnetic resonance imaging (MRI) technique. Seven healthy subjects were randomized into two protocols, in which one study receivedd 10% dextrose and in the other 25% dextrose. Gastric emptying was measured as volume of gastric contents while the diameters of the proximal and distal stomach were measured as the median diameters in the noncontracted state in the MRI images. Marked fluctuations were observed in the diameter of the antrum. There was greater frequency of contractions during ingestion of 10% dextrose compared with 25% dextrose.

Published
1996

47. Gastro-Highlights 2007

Author

Schöpfl, R., Schwizer, W., Müllhaupt, B., Rösch, T., Schachschal, G., Bauerfeind, P., Wirth, H.P., Rogler, G., and Fried, M.

Published
2018

48. Gastro-Highlights 2009

Author

Rogler, G., Wirth, H.-P, Bauerfeind, P., Müllhaupt, B., Rösch, T., Schöfl, R., Schwizer, W., and Fried, M.

Published
2018

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