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Mycophenolate mofetil (MMF) is commonly used in immunosuppressive regimens for solid organ transplantation. There is evidence that the hydrolyzed active agent mycophenolic acid (MPA) causes the endothelial depletion of intracellular guanosine 5'-triphosphate (GTP) levels. This depletion may cause inactivation of nicotinamide adenine dinucleotide phosphate oxidase. The purpose of the present study was to examine the impact of MPA on the neutrophil respiratory burst and phagocytic activity using flow cytometry. In whole blood of healthy volunteers, 2 different doses of MPA (1 and 10 mumol/L) did not alter hydrogen peroxide production of neutrophils induced by receptor-dependent activators. In contrast, MPA inhibits the protein kinase C (PKC)-mediated hydrogen peroxide production by phorbol 12-myristate 13-acetate (PMA) in a time-dependent manner (negative: 21.17 +/- 1.64 vs. 120 min: 14.46 +/- 1.28 mean fluorescence intensity, incubation with 1 mumol/L MPA). In conclusion, our results corroborated that the neutrophil respiratory burst activity of healthy volunteers, induced by either formyl-methionyl-leucylphenylalanine (fMLP), priming with tumor necrosis factor alpha followed by fMLP or Escherichia coli and neutrophil phagocytic capacity, were not significantly affected after MPA treatment. We also could demonstrate that the hydrogen peroxide production of neutrophils decreased in response to the PKC activator PMA in a time-dependent manner.

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Administrative data seem to be an appropriated basis for measurement of quality of outcome in anaesthesiology. Further investigations should be performed to include the diagnosis present on admission. Moreover, there is a need for comparing routine data to the standardized data set, known as the "core data set anaesthesia".