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Background <p>Sleep is critical for children’s neurocognitive and behavioural development but is often disrupted by sleep disorders like obstructive sleep apnea (OSA). While polysomnography is the diagnostic gold standard for identifying OSA, its accessibility is limited. Mouth breathing is a key, observable symptom associated with P-OSA, and it can further increase OSA risk by altering craniofacial development. Recognizing mouth breathing can aid in the early diagnosis and treatment of P-OSA.</p> Aim <p>To conduct a systematic review to evaluate and consolidate the existing evidence on the relationship between mouth breathing and P-OSA.</p> Design <p>The research question was framed using the PEO format. A comprehensive literature search was conducted through MEDLINE via PubMed, EMBASE, Scopus, LILACS, Web of Science, Cochrane and OVID up to September 2025. Study quality was assessed, and data were managed using Distiller SR software.</p> Results <p>The search identified 3722 articles. After removing duplicates, the articles were screened and reviewed, of which 13 studies — 2 cross-sectional and 11 cohort—met inclusion criteria for qualitative analysis. Most studies reported a significant correlation between mouth breathing and OSA severity, with some identifying mouth breathing as a predictor of persistent OSA after adenotonsillectomy. However, variability in diagnostic methods contributed to inconsistent findings.</p> Conclusion <p>The available literature suggests that mouth breathing is closely linked to P-OSA, playing a key role in both early diagnosis and ongoing assessment of treatment efficacy. Recognizing mouth breathing as an early marker of P-OSA underscores the need for vigilant assessment by healthcare providers.</p>

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Association between mouth breathing and pediatric obstructive sleep apnea: a systematic review

  • 期刊论文

  • 发表日期：

    2026年1月12日

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  • Padmanabhan Vaishnavi,
  • Shan Sushmita,
  • K. Vivek,
  • H. Selvakumar,
  • Ravi Ramanathan,
  • Kavitha Swaminathan

摘要

Background

Sleep is critical for children’s neurocognitive and behavioural development but is often disrupted by sleep disorders like obstructive sleep apnea (OSA). While polysomnography is the diagnostic gold standard for identifying OSA, its accessibility is limited. Mouth breathing is a key, observable symptom associated with P-OSA, and it can further increase OSA risk by altering craniofacial development. Recognizing mouth breathing can aid in the early diagnosis and treatment of P-OSA.

Aim

To conduct a systematic review to evaluate and consolidate the existing evidence on the relationship between mouth breathing and P-OSA.

Design

The research question was framed using the PEO format. A comprehensive literature search was conducted through MEDLINE via PubMed, EMBASE, Scopus, LILACS, Web of Science, Cochrane and OVID up to September 2025. Study quality was assessed, and data were managed using Distiller SR software.

Results

The search identified 3722 articles. After removing duplicates, the articles were screened and reviewed, of which 13 studies — 2 cross-sectional and 11 cohort—met inclusion criteria for qualitative analysis. Most studies reported a significant correlation between mouth breathing and OSA severity, with some identifying mouth breathing as a predictor of persistent OSA after adenotonsillectomy. However, variability in diagnostic methods contributed to inconsistent findings.

Conclusion

The available literature suggests that mouth breathing is closely linked to P-OSA, playing a key role in both early diagnosis and ongoing assessment of treatment efficacy. Recognizing mouth breathing as an early marker of P-OSA underscores the need for vigilant assessment by healthcare providers.