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Effect of semi-quantitative procalcitonin assay on the adequacy of empirical antibiotics and mortality in septic patients
Critical Care volume 17, Article number: P15 (2013)
Sepsis is a serious clinical condition with a considerable morbidity and mortality. Procalcitonin (PCT) is a good biomarker for early diagnosis and infection monitoring. A semi-quantitative PCT assay can be performed at the bedside and has good diagnostic value [1, 2]. The present study aimed to investigate the effect of a semi-quantitative PCT test on the empirical antibiotic initiation time, the appropriateness of empirical antibiotics and mortality in septic patients.
Materials and methods
The study design was a randomized diagnostic trial, which was also a pragmatic trial. Septic patients more than 18 years old with and without signs of organ hypoperfusion or dysfunction who were admitted to Cipto Mangunkusomo Hospital emergency department in the internal medicine unit were eligible. Subjects were randomly assigned to either a semi-quantitative PCT-examined group (study group) or a control group. Semi-quantitative PCT test results will be informed to the physicians taking care of the patients. The primary outcome was 14-day mortality. Secondary outcomes were the time of initiation and appropriateness of empirical antibiotics. A Tropical Infection Consultant will assess the appropriateness of empirical antibiotics based on Pedoman Umum Penggunaan Antibiotik Departemen Kesehatan Republik Indonesia.
Two hundred and five patients met the inclusion criteria. Ninety-five of 100 subjects from the study group and 102 of 105 subjects from the control group were included in the analysis (Figure 1). Both groups have equal baseline characteristics (Table 1). The mortality risk was lower in the study group (RR 0.53; 95% CI 0.36 to 0.77). The study group had greater probability to have a first dose of empirical antibiotic in less than 6 hours compared with the control group (RR 2.48; 95% CI 1.88 to 3.26). No effect was seen in appropriateness of empirical antibiotics between groups (RR 0.99; 95% CI 0.92 to 1.08) (Table 2).
Semi-quantitative PCT examination affects the empirical antibiotic initiation time and mortality in septic patients, but not the appropriateness of empirical antibiotics.
Hatzistilianou M: Diagnostic and prognostic role of procalcitonin in infections. Sci World J 2010, 10: 1941-1946.
Oh JS, Kim SU, Oh YM, Choe SM, Choe GH, Choe SP, et al.: The usefulness of the semiquantitative procalcitonin test kit as a guideline for starting antibiotic administration. Am J Emerg Med 2009, 27: 859-863. 10.1016/j.ajem.2008.06.021
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Dharaniyadewi, D., Lie, K.C., Sukmana, N. et al. Effect of semi-quantitative procalcitonin assay on the adequacy of empirical antibiotics and mortality in septic patients. Crit Care 17 (Suppl 4), P15 (2013). https://doi.org/10.1186/cc12915
- Septic Patient
- Great Probability
- Hospital Emergency
- Considerable Morbidity