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Die Rekation des Dünndarms auf transmurale Elektrostimulation beim nüchternen und gefütterten Tier

Transmural electrostimulation of the small intestine in fasted and fed dogs

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Zusammenfassung

Um zu prüfen, ob die Reaktion des Dünndarms auf hochfrequente Elektrostimulation von der Nahrungsaufnahme beeinflußt wird, wurden nach einer Serie von Akutversuchen bei 2 Hunden eine Jejunumschlinge und bei weiteren 2 ein Jejunumpouch mit Elektroden und Druckmeßsonden bestückt und am wachen Tier im chronischen Versuch untersucht. 500-μsec-910-Hz-25-mA-Ströme erhöhten den Druck in der Jejunumschlinge um 26±22 mm Hg (n=10) beim nüchternen und um 21±23 mm Hg (n=9) beim gefütterten Tier. Der Pouch war beim gefütterten Tier schwieriger zu stimulieren. Durch Elektrostimulation ist es möglich, am wachen Tier Dünndarmkontraktionen auszulösen, welche nur im Falle des Dünndarmpouches vom Status der Nahrungsaufnahme beeinflußt werden.

Summary

To prove whether food intake influences the reaction of the small intestine to electrostimulation 4 dogs were chronically investigated after a series of acute studies. Stimulation with 500 μsec 910 Hz 25 mA currents raised the intraluminal pressure by 26±33 mm Hg in the jejunal loop in the fasted and by 21±23 mm Hg in the fed animal. Pouches were difficult to stimulate in fed dogs. Intestinal loops and pouches may be contracted by electrostimulation in awake animals. Feeding inhibits the reaction in intestinal reservoirs.

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Authors and Affiliations

  1. Department of Artificial Organs, Cleveland Clinic, Cleveland, Ohio, USA

    A. Moritz, S. Grundfest-Broniatowski, L. Ilyes, G. Jacobs, J. Kasick & Y. Nose

  2. II. Chirurgische Universitätsklinik, Spitalgasse 23, A-1090, Wien

    A. Moritz, S. Grundfest-Broniatowski, L. Ilyes, G. Jacobs, J. Kasick & Y. Nose

Authors
  1. A. Moritz
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  2. S. Grundfest-Broniatowski
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  3. L. Ilyes
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  4. G. Jacobs
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  5. J. Kasick
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  6. Y. Nose
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Moritz, A., Grundfest-Broniatowski, S., Ilyes, L. et al. Die Rekation des Dünndarms auf transmurale Elektrostimulation beim nüchternen und gefütterten Tier. Acta Chir Austriaca 22, 205–209 (1990). https://doi.org/10.1007/BF02633760

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  • DOI: https://doi.org/10.1007/BF02633760

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