Supplemental oxygen, but not supplemental crystalloid fluid, increases tissue oxygen tension in healthy and anastomotic colon in pigs

Kimberger, Oliver; Fleischmann, Edith; Brandt, Sebastian; Kugener, André; Kabon, Barbara; Hiltebrand, Luzius; Krejci, Vladimir; Kurz, Andrea (2007). Supplemental oxygen, but not supplemental crystalloid fluid, increases tissue oxygen tension in healthy and anastomotic colon in pigs. Anesthesia and analgesia, 105(3), pp. 773-9. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1213/01.ane.0000277490.90387.96

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BACKGROUND: Low tissue oxygen tension is an important factor leading to the development of wound dehiscence and anastomotic leakage after colon surgery. We tested whether supplemental fluid and supplemental oxygen can increase tissue oxygen tension in healthy and injured, perianastomotic, and anastomotic colon in an acutely instrumented pig model of anastomosis surgery. METHODS: Sixteen Swiss Landrace pigs were anesthetized (isoflurane 0.8%-1%) and their lungs ventilated. The animals were randomly assigned to low fluid treatment ("low" group, 3 mL x kg(-1) x h(-1) lactated Ringer's solution) or high fluid treatment ("high" group, 10 mL/kg bolus, 18 mL x kg(-1) x h(-1) lactated Ringer's solution) during colon anastomosis surgery and a subsequent measurement period (4 h). Two-and-half hours after surgery, tissue oxygen tension was recorded for 30 min during ventilation with 30% oxygen. Three hours after surgery, the animals' lungs were ventilated with 100% oxygen for 60 min. Tissue oxygen tension was recorded in the last 30 min. Tissue oxygen tension was measured with polarographic Clark-type electrodes, positioned in healthy colonic wall, close (2 cm) to the anastomosis, and in the anastomosis. RESULTS: In every group, tissue oxygen tension during ventilation with 100% oxygen was approximately twice as high as during ventilation with 30% oxygen, a statistically significant result. High or low volume crystalloid fluid treatment had no effect on colon tissue oxygen tension. CONCLUSIONS: Supplemental oxygen, but not supplemental crystalloid fluid, increased tissue oxygen tension in healthy, perianastomotic, and anastomotic colon tissue.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Intensive Care, Emergency Medicine and Anaesthesiology (DINA) > Clinic and Policlinic for Anaesthesiology and Pain Therapy
UniBE Contributor:	Kimberger, Oliver, Brandt, Sebastian, Kugener, André, Kabon, Barbara, Hiltebrand, Luzius, Krejci, Vladimir, Kurz, Andrea
ISSN:	0003-2999
ISBN:	17717239
Publisher:	Lippincott Williams & Wilkins
Language:	English
Submitter:	Jeannie Wurz
Date Deposited:	04 Oct 2013 14:57
Last Modified:	05 Dec 2022 14:17
Publisher DOI:	10.1213/01.ane.0000277490.90387.96
PubMed ID:	17717239
Web of Science ID:	000248924400035
URI:	https://boris.unibe.ch/id/eprint/24558 (FactScience: 51510)