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An experimental porcine model of partial ischaemia of the distal colon.
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1997 (English)In: European Journal of Surgery, ISSN 1102-4151, E-ISSN 1741-9271, Vol. 163, no 11, p. 843-50Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: Ischaemia of the colon is a major challenge in aortoiliac surgery. The aim was to establish an animal model of partial distal colonic ischaemia to study interventional strategies.

DESIGN: Randomised experiment.

SETTING: University Hospital. Department of Experimental Research.

MATERIAL: 19 pigs.

INTERVENTIONS: 11 Pigs were subjected to ischaemia consisting of total occlusion of the inferior mesenteric artery and partial occlusion of the superior mesenteric artery. Eight animals were sham controls. Dextran was given.

MAIN OUTCOME MEASURES: Haemodynamic measurements, intramucosal pH-measurements (pHi) and histological grading.

RESULTS: Both ischaemic animals and controls remained haemodynamically stable. It was possible to maintain stable ischaemia in the distal colon in the pHi-range of 6.9-7.1. There was histological mucosal damage of the distal colon in ischaemic animals but not in controls.

CONCLUSIONS: The model could be of value when studying interventional strategies to reduce or reverse ischaemia.

Place, publisher, year, edition, pages
1997. Vol. 163, no 11, p. 843-50
National Category
Surgery Physiology
Identifiers
URN: urn:nbn:se:uu:diva-395086PubMedID: 9414045OAI: oai:DiVA.org:uu-395086DiVA, id: diva2:1360396
Available from: 2019-10-12 Created: 2019-10-12 Last updated: 2020-02-20Bibliographically approved

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