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Serum procalcitonin in septic meningitis
Rajniti Prasad1, Rishi Kapoor, Om Prakash Mishra
1Department of Pediatrics, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India.
Indian Journal of Pediatrics
|January 22, 2013
Summary
Serum procalcitonin (PCT) is a valuable diagnostic marker for identifying septic meningitis in children. Elevated PCT levels effectively differentiate septic meningitis from aseptic meningitis, aiding in timely diagnosis and treatment.
Area of Science:
- Pediatric infectious diseases
- Biomarker research
- Clinical diagnostics
Background:
- Septic meningitis is a serious infection requiring rapid diagnosis.
- Differentiating septic from aseptic meningitis is crucial for appropriate treatment.
- Biomarkers can aid in the diagnostic process.
Purpose of the Study:
- To assess the utility of serum procalcitonin (PCT) in diagnosing pediatric septic meningitis.
- To evaluate PCT's effectiveness in distinguishing septic meningitis from aseptic meningitis.
Main Methods:
- The study involved 40 children diagnosed with septic meningitis and 15 with aseptic meningitis, plus 15 healthy controls.
- Serum PCT levels were measured using an ELISA kit.
- Diagnostic criteria included clinical presentation, CSF analysis, Gram's stain, and bacterial culture.
Main Results:
- Serum PCT levels were significantly higher in children with septic meningitis compared to aseptic meningitis and controls (p < 0.001).
- PCT demonstrated high sensitivity (98.5%) and specificity (93.5%) at a cutoff of ≥ 5,000 pg/mL for diagnosing septic meningitis.
- At a cutoff of 15,000 pg/mL, PCT showed 92% sensitivity and 67% specificity for differentiating septic from aseptic meningitis.
Conclusions:
- Serum procalcitonin serves as a reliable diagnostic marker for septic meningitis in children.
- PCT is effective in differentiating septic meningitis from aseptic meningitis, supporting its clinical application.
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