alexa Usefulness of procalcitonin clearance as a prognostic biomarker in septic shock. A prospective pilot study.
Medicine

Medicine

Translational Medicine

Author(s): RuizRodrguez JC, Caballero J, RuizSanmartin A, Ribas VJ, Prez M,

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Abstract OBJECTIVE: To evaluate procalcitonin clearance as a prognostic biomarker in septic shock. DESIGN: Prospective, observational pilot study. SETTING: Intensive care unit. PATIENTS: Patients admitted to the ICU due to septic shock and multiorgan dysfunction. INTERVENTIONS: Serum concentrations of procalcitonin were determined within 12h of onset of septic shock and multiorgan dysfunction (coinciding with admission to the ICU), and the following extractions were obtained after 24, 48 and 72h in patients who survived. DATA COLLECTED: Demographic data, Acute Physiology and Chronic Health Evaluation II score, and Sequential Organ Failure Assessment score, data on the primary focus of infection, and patient outcome (ICU mortality). RESULTS: Procalcitonin clearance was higher in survivors than in non-survivors, with significant differences at 24h (73.9 [56.4-83.8]\% vs 22.7 [-331-58.4], p<0.05) and 48h (81.6 [71.6-91.3]\% vs -7.29 [-108.2-82.3], p<0.05). The area under the ROC curve was 0.74 (95\%CI, 0.54-0.95, p<0.05) for procalcitonin clearance at 24h, and 0.86 (95\%CI, 0.69-1.0, p<0.05) at 48h. CONCLUSIONS: ICU mortality was associated to sustained high procalcitonin levels, suggesting that procalcitonin clearance at 48h may be a valuable prognostic biomarker. Copyright © 2011 Elsevier España, S.L. y SEMICYUC. All rights reserved. This article was published in Med Intensiva and referenced in Translational Medicine

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