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Progress in the Diagnosis of Invasive Fungal Disease in Children
Adilia Warris1, Thomas Lehrnbecher2
1Aberdeen Fungal Group, MRC Centre for Medical Mycology, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK.
Insights
Fungal diagnostic tests for children are limited. While galactomannan and fungal PCR assays can help rule out invasive fungal disease (IFD), more research is needed for other tests and in diverse pediatric populations.
Area of Science:
- Pediatric Infectious Diseases
- Mycology
- Diagnostic Microbiology
Background:
- Invasive fungal disease (IFD) poses a significant threat to high-risk pediatric patients.
- Accurate and timely diagnosis of IFD in children is crucial for effective management.
- Current diagnostic tools require further evaluation for their utility in pediatric populations.
Purpose of the Study:
- To review available fungal diagnostic measures for pediatric patients at high risk for or suspected of having IFD.
- To describe the clinical utility and performance of these tests in specific pediatric populations.
Main Methods:
- Systematic review of existing literature on fungal diagnostic tests in children.
- Analysis of reported performance data for individual tests.
- Assessment of test utility based on pediatric population characteristics and study objectives.
Main Results:
- Studies evaluating fungal diagnostics in pediatric populations are scarce and highly heterogeneous.
- Galactomannan and fungal PCR assays demonstrate utility in excluding IFD.
- The benefit of mannan, mannan antibodies, and β-D-glucan assays remains unclear due to limited studies or lack of validated cut-offs.
Conclusions:
- A comprehensive evaluation of pediatric fungal diagnostic tools is currently limited.
- Galactomannan and fungal PCR are valuable for ruling out IFD in children.
- Well-designed, multicenter pediatric studies are essential to improve IFD outcomes.
Purpose Of Review:
This review summarizes the fungal diagnostic measures currently available for use in paediatric patients at high risk for developing invasive fungal disease (IFD) and those suspected of having an IFD. The clinical utility of each test is described based on reported performances of individual tests in specific paediatric populations.
Recent Findings:
Available studies in the paediatric population are scarce and are characterized by a huge heterogeneity in underlying diseases (e.g. different risk for IFD), different study objectives and management strategies (screening versus diagnostic) used.
Summary:
A final valuation of paediatric studies on fungal diagnostic tools is limited. While the galactomannan and fungal PCR assays are useful to exclude the presence of IFD, it is unclear if mannan, mannan antibodies and β-D-glucan are of benefit due to a lack of studies or validation of the cut-off, respectively. Well-designed multicentre paediatric studies are urgently needed to improve the outcome of IFD.
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