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KMID : 0385920080190060665
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Journal of the Korean Society of Emergency Medicine
2008 Volume.19 No. 6 p.665 ~ p.671
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Practical Application of Semiquantitative Procalcitonin Test in Emergency Department
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Kim Sung-Wook
Oh Young-Min
Choi Se-Min
Choi Kyung-Ho
Park Kyu-Nam
Oh Joo-Suk
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Abstract
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Purpose: Procalcitonin (PCT) is a good marker of infection but is still not routinely used. Here, we assessed the usefulness of a semi-quantitative procalcitonin test kit (PCT-Q?), a rapid and simple test for evaluating sepsis in the emergency department.
Methods: We recruited 80 patients who visited the emergency center and with systemic inflammatory response syndrome (SIRS). Patients were classified into 4 groups according to PCT levels using PCT-Q[Ed-Trademark signs only have to be given one time in a document]. Mortality rate, bacteremia, severity score, and severity of sepsis(SIRS/sepsis/severe sepsis/septic shock) were assessed with the criteria of the American College of Chest Physicians/Society of Critical Care Medicine Consensus Conference. We calculated a receiver operating characteristic curve (ROC curve), cut-off value, and the related diagnostic parameters of each cut-off value.
Results: Higher PCT levels were significantly associated with increased mortality, bacteremia, and severity scores. PCT levels could discriminate between sepsis and severe sepsis at a threshold of 2 ng/ml.
Conclusion: PCT-Q is a prognostic marker of infectious disease, but low levels do not always indicate a good prognosis. PCT levels increase with aggravation of sepsis, especially at values greater than 2 ng/ml for severe sepsis.
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KEYWORD
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Procalcitonin, Emergency medicine, Reagent strips
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