European journal of medical research
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Cardiopulmonary bypass generally leads to an unspecific increase of inflammatory parameters after cardiac operations. Increased Procalcitonin (PCT)-levels in serum, particularly after contamination with bacterial endotoxines, can be used as a marker for specific infections. The objective of this prospective study was to evaluate the course of PCT after cardiac surgery for the differential diagnosis of infections/unspecific inflammatory reactions, compared to routine infection parameters. ⋯ Based on its different course from other parameters in infection development between 4.-6. days, PCT can probably be used as a predictive marker in bacterial infections after cardiac surgery. The cost of the used immunoassay however will set the limits for a routine application.