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Effects of pneumoperitoneum on splanchnic hemodynamics: an experimental study in pigs.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
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1995 (English)In: European Journal of Surgery, ISSN 1102-4151, E-ISSN 1741-9271, Vol. 161, no 11, p. 819-26Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: To study the effects on splanchnic haemodynamics of pneumoperitoneum induced by carbon dioxide insufflation.

DESIGN: Controlled experimental study.

ANIMALS: 11 Pigs weighing 19-30 kg.

INTERVENTION: The animals were divided into a control group (n = 4) and a experimental group (n = 7). Experimental animals were subjected to stepwise increasing intra-abdominal pressure from 0 mm Hg to 25 mm Hg by carbon dioxide insufflation.

MAIN OUTCOME MEASURES: Portal venous blood flow, portal venous blood pressure, portal/hepatic vascular resistance, and gastrointestinal vascular resistance.

RESULTS: At 25 mm Hg portal venous blood flow was reduced (66% of baseline), and portal venous blood pressure and portal/hepatic vascular resistance were increased (360% and 650% of baseline, respectively). The increase in gastrointestinal vascular resistance was less pronounced.

CONCLUSIONS: Increased intra-abdominal pressure caused significant changes in the splanchnic haemodynamics. The risk was greater if the intra-abdominal pressure exceeded 15 mm Hg.

Place, publisher, year, edition, pages
1995. Vol. 161, no 11, p. 819-26
National Category
Other Basic Medicine
Identifiers
URN: urn:nbn:se:uu:diva-395080PubMedID: 8749214OAI: oai:DiVA.org:uu-395080DiVA, id: diva2:1360376
Available from: 2019-10-12 Created: 2019-10-12 Last updated: 2020-02-20Bibliographically approved

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