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Related Experiment Videos

Snoring children: factors predicting sleep apnea

P Nieminen1, U Tolonen, H Löppönen

  • 1Department of Otolaryngology, Oulu University Hospital, Finland.

Acta Oto-Laryngologica. Supplementum
|January 1, 1997
PubMed
Summary

Parent-reported nightly apneas are the strongest indicator for childhood obstructive sleep apnea syndrome (OSAS). While clinical factors like snoring and restless sleep also increase risk, polysomnography (PSG) is crucial for diagnosis.

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Area of Science:

  • Pediatrics
  • Sleep Medicine
  • Otolaryngology

Background:

  • Snoring in children often presents with obstructive symptoms, making it challenging to assess the risk of obstructive sleep apnea syndrome (OSAS) based solely on clinical evaluation.
  • Parental reports of snoring severity and associated symptoms are crucial but require objective validation.

Purpose of the Study:

  • To evaluate the relative risk (RR) of obstructive sleep apnea syndrome (OSAS) in children who snore.
  • To compare parental symptom reporting and clinical findings with polysomnography (PSG) results to identify key risk factors for pediatric OSAS.

Main Methods:

  • Overnight polysomnography (PSG) was used to diagnose OSAS, with an apnea index (AI) greater than or equal to 1 defining the condition.
  • Parental reports on snoring frequency, sleep patterns, and daytime symptoms were collected and correlated with PSG findings.

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  • Relative risk (RR) ratios and confidence intervals (CI) were calculated for various clinical and historical factors.

    • Main Results:

    • Parent-reported nightly apneic episodes were the most significant risk factor for OSAS (RR 3.6).
    • Other significant risk factors included constant snoring (RR 1.5), restless sleep (RR 2.1), previous adenoidectomy (RR 1.7), and tonsillar enlargement (RR 1.4).
    • Absence of excessive daytime sleepiness was a protective factor (RR 0.3), suggesting OSAS is not solely linked to upper airway obstruction.

    Conclusions:

    • Obstructive sleep apnea syndrome (OSAS) in children cannot be reliably diagnosed without polysomnography (PSG).
    • Parental reporting of specific symptoms, particularly nightly apneas, is vital for risk assessment.
    • Clinical decision-making for snoring children with obstructive symptoms must integrate objective PSG findings with identified risk factors.