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Does brain death induce a pro-inflammatory response at the organ level in a porcine model?
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för kirurgiska vetenskaper, Anestesiologi och intensivvård.
Vise andre og tillknytning
2008 (engelsk)Inngår i: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 52, nr 5, s. 621-627Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background:

Organs from brain-dead donors have a poorer prognosis after transplantation than organs from living donors. A possible explanation for this is that brain death might initiate a systemic inflammatory response, elicited by a metabolic stress response or brain ischemia. The aim of this study was to investigate the effect of brain death on the cytokine content in the heart, liver, and kidney. In addition, the metabolic and hemodynamic response caused by brain death was carefully registered.

Methods:

Fourteen pigs (35–40 kg) were randomized into two groups (1) eight brain-dead pigs and (2) six pigs only sham operated. Brain death was induced by inflation of an epidurally placed balloon. Blood samples for insulin, glucose, catecholamine, free fatty acids (FAA), and glucagon were obtained during the experimental period of 360 min. At the conclusion of the experiment, biopsies were taken from the heart, liver, and kidney and were analyzed for cytokine mRNA and proteins [tumor necrosis factor α (TNF-α), interleukin (IL)-6, and IL-10).

Results:

We found a dramatic response to brain death on plasma levels of epinephrine (P=0.004), norepinephrine (P=0.02), FAA (P=0.0001), and glucagon (P=0.0003) compared with the sham group. There was no difference in cytokine content in any organ between the groups.

Conclusion:

In this porcine model, brain death induced a severe metabolic response in peripheral blood. At the organ level, however, there was no difference in the cytokine response between the groups.

sted, utgiver, år, opplag, sider
2008. Vol. 52, nr 5, s. 621-627
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Identifikatorer
URN: urn:nbn:se:uu:diva-148184DOI: 10.1111/j.1399-6576.2008.01607.xPubMedID: 18419715OAI: oai:DiVA.org:uu-148184DiVA, id: diva2:401587
Tilgjengelig fra: 2011-03-03 Laget: 2011-03-03 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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