Serum ECP as a diagnostic marker for asthma in children less than 5 years: A systematic review and meta-analysis

Mounika Polavarapu1, Hillary Klonoff-Cohen2

  • 1School of Population Health, University of Toledo, Toledo, Ohio, USA.

Pediatric Pulmonology
|September 15, 2020
PubMed

Insights

Diagnosing asthma in young children is challenging. This study found insufficient evidence that serum eosinophilic cationic protein (sECP) effectively diagnoses asthma in children under five.

Area of Science:

  • Pediatric Pulmonology
  • Diagnostic Accuracy
  • Biomarkers

Background:

  • Asthma diagnosis in children under five lacks reliable clinical or laboratory markers.
  • Standard lung function tests are not feasible in this age group.

Purpose of the Study:

  • To evaluate the diagnostic efficacy of serum eosinophilic cationic protein (sECP) for asthma in children under five years of age.

Main Methods:

  • A systematic review of PubMed, EMBASE, and Web of Science databases was conducted.
  • Study quality was assessed using the QUADAS-2 scale.
  • A meta-analysis of five studies was performed using RevMan 5.3.

Main Results:

  • Eight studies were included in the systematic review; five in the meta-analysis.
  • Pooled sensitivity was 0.79 (95% CI: 0.66-0.88) and pooled specificity was 0.79 (95% CI: 0.54-0.92).
  • Pooled diagnostic odds ratio was 14.73 (95% CI: 3.58-60.58).

Conclusions:

  • The current evidence is insufficient to support the use of sECP levels for diagnosing early childhood asthma.
  • Further research is needed to establish reliable diagnostic tools for pediatric asthma.
Abstract

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