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Elimination of procalcitonin and plasma concentrations during continuous veno-venous haemodiafiltration in septic patients

  • M. Meisner (a1), E. Hüttemann (a1), T. Lohs (a1), L. Kasakov (a2) and K. Reinhart (a1)...

Abstract

The elimination of procalcitonin and the course of plasma concentrations during continuous veno-venous haemodiafiltration were measured in patients with sepsis or multiple organ dysfunction syndrome, because these patients are a main target group for the measurement of procalcitonin and often require renal replacement therapy. Procalcitonin was measured in the prefilter plasma and the filtrate at 5 min, 15 min and 1, 2, 4, 6, 12, 24 h after set-up of continuous veno-venous haemodiafiltration. In a prospective study, 19 patients with plasma levels of procalcitonin >3ng mL−1 and acute oliguric renal failure treated with continuous veno-venous haemodiafiltration using a polysulphone membrane, were evaluated for the study of clearance. Twenty-one control patients (procalcitonin <2ng mL−1) were studied to determine whether filtration itself induced a procalcitonin response. No interventions were required. In patients with low procalcitonin concentrations (procalcitonin <2ng mL−1) continuous veno-venous haemodiafltration did not cause a rise in procalcitonin. In patients with increased procalcitonin plasma concentrations (>3ng mL−1), the protein was removed through the polysulphone membrane, with a final clearance of 4 mL min−1 after the initial adsorption period (clearance 0.4–0.9mL min−1 during the first hour of continuous veno-venous haemodiafiltration). Thus, on the average, approximately 10% of plasma concentrations were measurable in the filtrate ultimately. However, procalcitonin plasma levels were not significantly altered during continuous veno-venous haemodiafiltration (86% of the initial concentration after 24 h). Although procalcitonin is removed from the plasma during continuous veno-venous haemodiafiltration in measurable amounts plasma procalcitonin concentrations did not change significantly during haemodiafiltration. Procalcitonin thus can also be used as a diagnostic parameter in patients undergoing continuous veno-venous haemodiafiltration.

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Corresponding author

Correspondence: Michael Meisner.

Keywords

Elimination of procalcitonin and plasma concentrations during continuous veno-venous haemodiafiltration in septic patients

  • M. Meisner (a1), E. Hüttemann (a1), T. Lohs (a1), L. Kasakov (a2) and K. Reinhart (a1)...

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