ArticleInternational journal of colorectal disease2010
Early effect of hepatic artery TNF-alpha infusion on systemic hemodynamics and inflammation: a dose-response study in pigs.
Article in International journal of colorectal disease, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 4 citations in OpenAlex.
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Authors and funding
7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeTherapy of unresectable hepatic metastases may include tumor necrosis factor (TNF)-alpha treatment. Because of its serious systemic side effects, TNF-alpha is only used in isolated hepatic perfusion. This, however, is a technically demanding procedure with a substantial mortality rate. The infusion of TNF-alpha via the hepatic artery without hepatic isolation would be less invasive. Systemic side effects, however, have not been studied yet. Therefore, we evaluated in pigs the effects of TNF-alpha hepatic artery infusion (HAI) on systemic hemodynamics, inflammation, and organ injury.
methodsAnimals were randomized in three groups. In group 1, HAI was performed with 0.9% NaCl (n = 6). In group 2, 20 microg/kg TNF-alpha (n = 6), and in group 3, 40 microg/kg TNF-alpha (n = 6) were added. HAI was performed over 15 min, followed by 120 min of observation. Finally, 250 ml hydroxyethylstarch (HAES; 6%) was administered for resuscitation and hemodynamics were analyzed for another 30 min.
resultsHepatic artery TNF-alpha infusion did not cause complications such as bleeding, cardiac depression, pulmonary dysfunction, or SIRS. TNF-alpha induced a 30% decrease of MAP and systemic vascular resistance, as well as a rise in heart rate and endexspiratory pCO(2). TNF-alpha also moderately (10-20%) lowered the cardiac preload and induced a metabolic acidosis, which, however, could easily be controlled. TNF-alpha HAI did not induce liver toxicity, and all hemodynamic changes normalized either spontaneously within the 120-min observation period, or, at least, after HAES resuscitation.
conclusionsTNF-alpha-based HAI, which may represent a minimally invasive alternative to isolated hepatic perfusion, can be performed without early systemic hemodynamic complications.
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