Continuous veno-venous hemodiafiltration alleviates multiple organ dysfunction syndrome in dogs

Immunopharmacology and Immunotoxicology
Jihong ChenHao Wen

Abstract

Multiple organ dysfunction syndrome (MODS) is a major cause of death in critically patients. It has been hypothesized that inactivation or removal of pro-inflammatory molecules may prevent or reverse MODS. The purpose of this paper was to investigate the efficacy of continuous veno-venous hemodiafiltration (CVVHDF) as treatment for MODS in an established animal model. Male Beagle dogs (n = 18) were used to establish the model and were randomly assigned to a CVVHDF, sham, or control group. The serum levels of ALT, AST, Cr, BUN, PaO(2), and PaCO(2) were measured as functional makers of major organs. Apoptosis, DLA-DR expression, and cytokine levels of peripheral monocytes were determined. The MODS model was successfully established. After CVVHDF treatment, the WBC and neutrophil counts were lower and the monocyte count and percentage were greater, but these were unchanged in the sham and control groups. Apoptosis of CD14+ monocytes was significantly lower in the CVVHDF group than in the sham and control groups. The fraction of DLA-DR(+) monocytes and IL-1β secretion was significantly greater in the sham and control groups than in the CVVHDF group. Moreover, IL-4 secretion increased significantly in the CVVHDF group but not in the...Continue Reading

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