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Organ Dysfunction among Piglets Treated with Inhaled Nitric Oxide and Intravenous Hydrocortisone during Prolonged Endotoxin Infusion
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2014 (English)In: PLoS ONE, ISSN 1932-6203, Vol. 9, no 5, e96594- p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: It has previously been shown that a combination of inhaled nitric oxide (iNO) and intravenous (IV) steroid attenuates endotoxin-induced organ damage in a 6-hour porcine endotoxemia model. We aimed to further explore these effects in a 30-hour model with attention to clinically important variables.

DESIGN: Randomized controlled trial.

SETTING: University animal laboratory.

SUBJECTS: Domestic piglets (n = 30).

INTERVENTIONS: Animals were randomized into 5 groups (n = 6 each): 1) Controls, 2) LPS-only (endotoxin/lipopolysaccharide (LPS) infusion), 3) LPS + iNO, 4) LPS + IV steroid, 5) LPS + iNO + IV steroid.

MEASUREMENTS AND MAIN RESULTS: Exposure to LPS temporarily increased pulmonary artery mean pressure and impeded renal function with elevated serum creatinine and acidosis compared to a control group over the 30-hour study period. Double treatment with both iNO and IV steroid tended to blunt the deterioration in renal function, although the only significant effect was on Base Excess (p = 0.045). None of the LPS + iNO + IV steroid treated animals died during the study period, whereas one animal died in each of the other LPS-infused groups.

CONCLUSIONS: This study suggests that combined early therapy with iNO and IV steroid is associated with partial protection of kidney function after 30 hours of experimental LPS infusion.

Place, publisher, year, edition, pages
2014. Vol. 9, no 5, e96594- p.
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Research subject
Clinical Physiology
URN: urn:nbn:se:uu:diva-224690DOI: 10.1371/journal.pone.0096594ISI: 000336857400029PubMedID: 24827456OAI: oai:DiVA.org:uu-224690DiVA: diva2:718234
Available from: 2014-05-20 Created: 2014-05-18 Last updated: 2014-07-15Bibliographically approved

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