A study evaluates serum eosinophilic cationic protein and its relation to disease severity in infants, indicating inflammation patterns.
Although serum ECP does not seem to have independent prognostic utility, its elevation in severe and smoke-exposed cases suggests that it may reflect distinct inflammatory phenotypes in bronchiolitis rather than function as a direct clinical risk stratification tool.
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Bedir et al. (2026) studied this question.
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