Leticia Seoane1, Sonia Pértega2, Rita Galeiras3, Iván Astola3, Teresa Bouza3. 1. Burn Unit, Complexo Hospitalario Universitario A Coruña, As Xubias 84, CP:15006, A Coruña, Spain. Electronic address: Leticia.seoane.quiroga@gmail.com. 2. Clinical Epidemiology and Biostatistics Unit, Complexo Hospitalario Universitario A Coruña, As Xubias 84, CP:15006, A Coruña, Spain. 3. Burn Unit, Complexo Hospitalario Universitario A Coruña, As Xubias 84, CP:15006, A Coruña, Spain.
Abstract
OBJECTIVE: To determine the usefulness of procalcitonin (PCT) in decision-making when faced with suspected infection in patients with extensive burns. STUDY: Retrospective, observational follow-up study. INSTITUTION: Burn Unit of the Complexo Hospitalario Universitario A Coruña (CHUAC), Spain. PATIENTS AND METHOD: We included all patients admitted to the Unit from June 2011 to March 2012 with ≥20% total body surface area burned or ≥10% full-thickness body surface area burned with suspected infection (17 patients with 34 events of suspected infection). RESULTS: The infections were confirmed in 16/34 episodes (47.1%), and documented in 44.1% (n=15). There were no statistically significant differences in the PCT figures at the time the infection was suspected between the cases with confirmed and unconfirmed infection (p=0.682). The PCT values showed no discriminative value for differentiating patients with SIRS from those with sepsis, severe sepsis and septic shock (area under ROC curve (AUC)=0.546; 95% CI: 0.326-0.766). No significant correlation was found between SOFA and PCT, although there were differences in the PCT values in the patients who had tissue hypoperfusion. CONCLUSION: Results show that PCT is not a precise indicator of sepsis at the time of diagnosis. A correlation between PCT levels and hypoperfusion was observed.
OBJECTIVE: To determine the usefulness of procalcitonin (PCT) in decision-making when faced with suspected infection in patients with extensive burns. STUDY: Retrospective, observational follow-up study. INSTITUTION: Burn Unit of the Complexo Hospitalario Universitario A Coruña (CHUAC), Spain. PATIENTS AND METHOD: We included all patients admitted to the Unit from June 2011 to March 2012 with ≥20% total body surface area burned or ≥10% full-thickness body surface area burned with suspected infection (17 patients with 34 events of suspected infection). RESULTS: The infections were confirmed in 16/34 episodes (47.1%), and documented in 44.1% (n=15). There were no statistically significant differences in the PCT figures at the time the infection was suspected between the cases with confirmed and unconfirmed infection (p=0.682). The PCT values showed no discriminative value for differentiating patients with SIRS from those with sepsis, severe sepsis and septic shock (area under ROC curve (AUC)=0.546; 95% CI: 0.326-0.766). No significant correlation was found between SOFA and PCT, although there were differences in the PCT values in the patients who had tissue hypoperfusion. CONCLUSION: Results show that PCT is not a precise indicator of sepsis at the time of diagnosis. A correlation between PCT levels and hypoperfusion was observed.
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