Narrative review on pediatric otitis media risk factors and biomarkers

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Frontiers in Medicine Published May 14, 2026 Medically reviewed May 14, 2026 DOI ↗ By Dr. Sofia Müller, MD · Lifespan & Whole-Person Care

Key Takeaway

Consider this review as a conceptual framework for future biomarker validation in pediatric otitis media.

This is a narrative review that synthesizes current evidence on risk factors for pediatric otitis media. The scope includes environmental exposures, host genetic susceptibility, biomarkers, and microbial factors. The authors present a conceptual framework linking these elements to disease pathogenesis and outcomes. They argue that integrating these factors could inform future biomarker validation and mechanistic stratification. The review does not report pooled effect sizes or specific study-level results, as it is a qualitative synthesis. Key limitations noted include the preliminary nature of the evidence and the need for prospective validation. The authors acknowledge gaps in understanding causal pathways and the clinical utility of proposed biomarkers. Practice relevance is restrained, emphasizing that this work provides a conceptual basis for developing more precise preventive and therapeutic strategies. The review does not describe a specific study population, intervention, comparator, or adverse events, as these details are not reported in the source.

Study Details

Study typeSystematic review

EvidenceLevel 1

PublishedMay 2026

View Original Abstract ↓

BackgroundPediatric otitis media remains one of the most common childhood diseases worldwide and is a major cause of hearing impairment, recurrent healthcare utilization, and antibiotic exposure. Its pathogenesis is highly heterogeneous and can no longer be adequately explained by a traditional single-pathogen model.ObjectiveThis review aims to synthesize current evidence on the roles of environmental exposures, host genetic susceptibility, biomarkers, and microbial factors in pediatric otitis media, with particular emphasis on their interactions and translational relevance.ContentCurrent evidence suggests that early-life environmental exposures may contribute to pediatric otitis media through convergent pathways involving epithelial dysfunction, impaired mucociliary clearance, inflammation, oxidative stress, and altered immune regulation, while host genetic variation may further modify susceptibility and disease heterogeneity. Emerging biomarker and microbial studies also support a systems-level understanding of pediatric otitis media and its therapeutic complexity.ConclusionPediatric otitis media should be understood as a multifactorial disorder arising from dynamic interactions among environmental exposures, host susceptibility, and microbial ecology. This integrated framework extends beyond pathogen-centered models and provides a conceptual basis for future biomarker validation, mechanistic stratification, and the development of more precise preventive and therapeutic strategies.