Procalcitonin for Diagnostics and Treatment Decisions in Pediatric Lower Respiratory Tract Infections

Philipp Baumann1, Gurli Baer1, Jessica Bonhoeffer2

  • 1Department of Pediatric Infectious Diseases and Vaccinology, University of Basel Children's Hospital, Basel, Switzerland.

Frontiers in Pediatrics
|September 13, 2017
PubMed

Insights

Pediatric lower respiratory tract infections cause 1.3 million child deaths annually. Procalcitonin (PCT) testing shows promise in guiding antibiotic use for pediatric LRTIs, reducing overuse and resistance.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Biomarkers

Background:

  • Pediatric lower respiratory tract infections (LRTIs) remain a leading cause of mortality and morbidity, particularly in low- and middle-income countries.
  • Current diagnostic methods for pneumonia lack specificity, failing to differentiate viral from bacterial causes, leading to widespread antibiotic overuse.
  • This overuse contributes significantly to the growing global challenge of antibiotic resistance.

Purpose of the Study:

  • To review current evidence on the utility of procalcitonin (PCT) for diagnosing pediatric LRTIs.
  • To discuss the importance of establishing appropriate PCT thresholds for guiding antibiotic treatment decisions in children.

Main Methods:

  • Systematic review of observational studies and randomized controlled trials.
  • Analysis of procalcitonin (PCT) performance in differentiating bacterial from viral etiologies in pediatric LRTIs.
  • Evaluation of PCT's impact on antibiotic prescribing patterns and outcomes.

Main Results:

  • Procalcitonin (PCT) demonstrates potential as a biomarker to aid in distinguishing bacterial from viral LRTIs in children.
  • Evidence suggests PCT can help reduce unnecessary antibiotic prescriptions for pediatric respiratory infections.
  • Further research is needed to define optimal PCT cut-off values for clinical decision-making.

Conclusions:

  • Procalcitonin (PCT)-guided diagnostics offer a promising strategy to optimize antibiotic use in pediatric lower respiratory tract infections.
  • Implementing standardized PCT thresholds could mitigate antibiotic resistance and improve patient outcomes.
  • Further validation studies are crucial for widespread clinical adoption.

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