• Zainna C Meyer, Jennifer M J Schreinemakers, Paul G H Mulder, Lianne Schrauwen, Ruud A L de Waal, Antonius A M Ermens, and Lijckle van der Laan.
• Department of Surgery, Amphia Hospital, Breda, The Netherlands. Electronic address: zainna.meyer@mumc.nl.
• J. Surg. Res. 2014 Apr 1;187(2):553-8.

BackgroundProcalcitonin (PCT) is a relatively new, promising indirect parameter for infection. In the intensive care unit (ICU) it can be used as a marker for sepsis. However, in the ICU there is a need for reliable markers for clinical deterioration in the critically ill patients. This study determines the clinical value of PCT concentrations in recognizing surgical complications in a heterogeneous group of general surgical patients in the ICU.Material And MethodsWe prospectively collected PCT concentration data from April 2010 to June 2012 for all general surgical patients admitted to the ICU. Both the relationships between PCT levels and events (diagnostic and therapeutic interventions) as well as between PCT levels and surgical complications (abscesses, bleeding, perforation, ischemia, and ileus) were studied.ResultsPCT concentrations were lower in patients who developed complications than those who did not develop complications on the same day, although not significant (P = 0.27). A 10% increase in PCT levels resulted in a 2% higher complication odds, but again this was not significant (odds ratio [OR], 1.020; 95% confidence interval [CI], 0.961-1.083; P = 0.51). Even a 20% or 30% increase in PCT concentrations did not result in higher complication probability (OR, 1.039; 95% CI, 0.927-1.165 and OR, 1.057; 95% CI, 0.897-1.246). Furthermore, an increase in PCT levels did not show an increase or a reduction in the number of diagnostic and therapeutic interventions.ConclusionsAn increase in PCT levels does not help to predict surgical complications in critically ill surgical patients.Copyright © 2014 Elsevier Inc. All rights reserved.

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