Soluble triggering receptor expressed on myeloid cells 1: a biomarker for bacterial meningitis
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To evaluate whether soluble triggering receptor expressed on myeloid cells 1 (sTREM-1) in CSF can serve as a biomarker for the presence of bacterial meningitis and outcome in patients with this disease.
Retrospective study of diagnostic accuracy.
Setting and patients
CSF was collected from 92 adults with community-acquired bacterial meningitis who participated in the prospective Dutch Meningitis Cohort Study; 8 patients with viral meningitis and 9 healthy control subjects.
CSF sTREM-1 levels were higher in patients with bacterial meningitis (median 82 pg/ml, range 0–988) than in those with viral meningitis (0 pg/ml, 0–48) and controls (0 pg/ml, 0–36). The diagnostic accuracy of sTREM-1 in discriminating between patients with and without bacterial meningitis, expressed as the area under the receiver operating characteristic curve, was 0.82. At a cutoff level of 20 pg/ml the sensitivity was 0.73 and specificity 0.77. In patients with bacterial meningitis CSF sTREM-1 levels were associated with mortality (survivors, median 73 pg/ml, range 0–449 pg/ml; nonsurvivors, 151 pg/ml, 0–988).
Measuring sTREM-1 in CSF may be a valuable new additional approach to accurately diagnose bacterial meningitis and identify patients at high risk for adverse outcome. Therefore a prospective study of sTREM-1 as a biomarker in bacterial meningitis is needed.
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- Soluble triggering receptor expressed on myeloid cells 1: a biomarker for bacterial meningitis
Intensive Care Medicine
Volume 32, Issue 8 , pp 1243-1247
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- Soluble triggering receptor expressed on myeloid cells 1
- Bacterial meningitis
- Viral meningitis
- Cerebrospinal fluid
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- Author Affiliations
- 1. Department of Intensive Care Medicine, Center of Infection and Immunity Amsterdam, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- 2. Department of Neurology, Center of Infection and Immunity Amsterdam, Academic Medical Center, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
- 3. Department of Medical Microbiology, Center of Infection and Immunity Amsterdam, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- 4. Netherlands Reference Laboratory of Bacterial Meningitis, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands