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Related Experiment Videos

Acute phase reactants in neonatal bacterial infection.

M Pourcyrous1, H S Bada, S B Korones

  • 1University of Tennessee, Memphis Department of Pediatrics, Obstetrics and Gynecology and Pathology.

Journal of Perinatology : Official Journal of the California Perinatal Association
|December 1, 1991
PubMed
Summary

C-reactive protein (CRP) testing is valuable for diagnosing bacterial infections in infants. A normal CRP level effectively helps rule out bacterial infection, showing a high negative predictive value.

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Area of Science:

  • Neonatal Medicine
  • Infectious Diseases
  • Biochemistry

Background:

  • Neonatal infections pose significant diagnostic challenges.
  • Early and accurate diagnosis is crucial for effective treatment and improved outcomes.
  • C-reactive protein (CRP) is a widely used biomarker for inflammation and infection.

Purpose of the Study:

  • To evaluate the diagnostic utility of C-reactive protein (CRP) levels in neonates with suspected infections.
  • To determine the sensitivity and specificity of CRP in identifying bacterial infections, including septicemia.
  • To assess the role of CRP in differentiating bacterial infections from other neonatal conditions.

Main Methods:

  • A cohort of 140 neonates with suspected infections underwent C-reactive protein (CRP) level evaluation.

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  • Blood cultures and other relevant diagnostic tests were performed.
  • CRP levels were analyzed in relation to culture results and clinical diagnoses.

    • Main Results:

    • Fifteen out of 16 neonates with septicemia had elevated CRP levels.
    • Normal CRP levels were observed in infants with Staphylococcus epidermidis bacteremia and uneventful clinical courses.
    • Elevated CRP was noted in meconium-aspiration syndrome cases, while normal in viral infections.
    • Ninety-nine percent of uninfected neonates had normal CRP values.
    • Elevated CRP was consistently associated with other abnormal test results.

    Conclusions:

    • C-reactive protein (CRP) is a valuable tool for confirming bacterial infections in neonates.
    • CRP demonstrates a high negative predictive value, making it useful for ruling out bacterial infections.
    • The findings support the integration of CRP testing into the diagnostic workup of suspected neonatal infections.