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Updated: Jan 3, 2026

Breath Collection from Children for Disease Biomarker Discovery
Published on: February 14, 2019
Biomarkers in pediatric acute respiratory distress syndrome
Erin F Carlton1, Heidi R Flori1
1Division of Pediatric Critical Care Medicine, Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA.
Insights
Biomarkers offer potential for diagnosing pediatric acute respiratory distress syndrome (PARDS), predicting patient outcomes, and guiding targeted therapies for this severe lung injury. Further research into PARDS biomarkers is crucial for personalized treatment strategies.
Area of Science:
- Critical Care Medicine
- Pediatric Pulmonology
- Biomarker Research
Background:
- Pediatric acute respiratory distress syndrome (PARDS) is a severe, heterogeneous lung injury lacking single diagnostic indicators.
- Current PARDS diagnosis relies on combined clinical and physiological variables, with limited predictive capabilities for disease trajectory or treatment response.
- Understanding PARDS pathophysiology and patient subgroups is essential for effective therapeutic strategies.
Purpose of the Study:
- To review the role and potential of biomarkers in the diagnosis, prognostication, and therapeutic response assessment of PARDS.
- To explore how biomarkers can enhance the understanding of PARDS heterogeneity and identify specific patient endotypes.
- To discuss current and future directions in biomarker research for PARDS.
Main Methods:
- Literature review of existing studies on biomarkers in pediatric acute respiratory distress syndrome.
- Analysis of the diagnostic, prognostic, and therapeutic implications of various biomarkers.
- Discussion of the application of biomarkers in stratifying patients and guiding treatment decisions.
Main Results:
- Biomarkers show significant promise in improving PARDS diagnosis beyond current clinical criteria.
- Biomarkers can aid in predicting patient outcomes and identifying individuals at high risk for adverse events.
- Biomarker research is key to understanding PARDS endotypes and personalizing treatment approaches.
Conclusions:
- Biomarkers are invaluable tools for advancing the understanding and management of pediatric acute respiratory distress syndrome.
- Further investigation into PARDS biomarkers is critical for developing targeted therapies and improving patient outcomes.
- Biomarker discovery and validation are essential for precision medicine in pediatric critical care.
Abstract:
Pediatric acute respiratory distress syndrome (PARDS) is a heterogenous process resulting in a severe acute lung injury. A single indicator does not exist for PARDS diagnosis. Rather, current diagnosis requires a combination of clinical and physiologic variables. Similarly, there is little ability to predict the path of disease, identify those at high risk of poor outcomes or target therapies specific to the underlying pathophysiology. Biomarkers, a measured indicator of a pathologic state or response to intervention, have been studied in PARDS due to their potential in diagnosis, prognostication and measurement of therapeutic response. Additionally, PARDS biomarkers show great promise in furthering our understanding of specific subgroups or endotypes in this highly variable disease, and thereby predict which patients may benefit and which may be harmed by PARDS specific therapies. In this chapter, we review the what, when, why and how of biomarkers in PARDS and discuss future directions in this quickly changing landscape.
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