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Time to split: biomarker trajectories in pediatric acute respiratory distress syndrome hint at underlying disease
Ashley A. Zurawel, Bria M. Coates
Ashley A. Zurawel, Bria M. Coates
Published May 15, 2024
Citation Information: J Clin Invest. 2024;134(10):e180662. https://doi.org/10.1172/JCI180662.
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Time to split: biomarker trajectories in pediatric acute respiratory distress syndrome hint at underlying disease

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Abstract

Pediatric acute respiratory distress syndrome (ARDS) is severe, noncardiac hypoxemic respiratory failure that carries a substantial risk of death. Given the complexity of this clinically defined syndrome and the repeated failure of therapeutic trials, there has been an effort to identify subphenotypes of ARDS that may share targetable mechanisms of disease. In this issue of the JCI, Yehya and colleagues measured 19 plasma biomarkers in 279 children over the first seven days of ARDS. Increases in select tissue injury makers and inflammatory cytokines in peripheral blood were associated with multiple organ dysfunction syndrome and death, but not persistent ARDS. These findings argue that splitting patients by clinical and molecular phenotype may be more informative than lumping them under the umbrella diagnosis of ARDS. However, future studies are needed to determine whether these plasma factors represent targetable pathways in lung injury or are a consequence of systemic organ dysfunction.

Authors

Ashley A. Zurawel, Bria M. Coates

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