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Etanercept reduces late endotoxin-induced pulmonary hypertension in the pig
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för kirurgiska vetenskaper, Anestesiologi och intensivvård.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper. (biologiska membran)
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2006 (engelsk)Inngår i: Journal of Interferon and Cytokine Research, ISSN 1079-9907, E-ISSN 1557-7465, Vol. 26, nr 9, s. 661-667Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

To evaluate whether etanercept, a tumor necrosis factor (TNF)-blocking agent, may counteract hemodynamic deterioration in endotoxemic shock, we designed a prospective, randomized placebo-controlled trial with parallel groups, consisting of 13 pigs aged 10-14 weeks receiving general anesthesia. Five pigs were given 25 mg of etanercept, 1 h before the start of a 4-h continuous infusion of endotoxin. Another 5 pigs were given the corresponding volume of saline, 1 h before the start of a 4-h continuous infusion of endotoxin. Three pigs were given 25 mg of etanercept, 1 hr before the start of a 4-h continuous infusion of saline. At 1 h of endotoxemia, mean pulmonary arterial pressure (MPAP) and pulmonary vascular resistance index (PVRI) increased identically in both groups of pigs receiving endotoxin. Thereafter, two distinct different patterns in hemodynamics were observed. TNF-blocked pigs showed significantly lower MPAP and PVRI compared to controls. In the etanercept-treated endotoxemic pigs, Doppler analysis of the diastolic mitral inflow demonstrated a significantly increased E/A-ratio (early mitral wave inflow was divided by the atrial wave) at 2 h. The TNFblocking agent etanercept normalized two hemodynamic features of endotoxin-induced septic shock in pigs: (1) the sustained pulmonary hypertension and (2) diastolic dysfunction.

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2006. Vol. 26, nr 9, s. 661-667
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URN: urn:nbn:se:uu:diva-82232DOI: 10.1089/jir.2006.26.661ISI: 000240598700007PubMedID: 16978070OAI: oai:DiVA.org:uu-82232DiVA, id: diva2:110138
Tilgjengelig fra: 2008-06-25 Laget: 2008-06-25 Sist oppdatert: 2017-12-14bibliografisk kontrollert

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