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Clinical and polysomnographic correlation in sleep-related breathing disorders in children

Eduard Esteller1, Paola Santos, Francesc Segarra

  • 1Servicio de Otorrinolaringología, Hospital General de Catalunya, San Cugat del Vallès, Barcelona, Spain. eesteller@gmail.com

Acta Otorrinolaringologica Espanola
|November 13, 2012
PubMed

Insights

Polysomnography is the gold standard for diagnosing childhood sleep-disordered breathing, but clinical symptoms poorly correlate with objective apnea-hypopnoea index (AHI) pre-surgery. Post-surgery, AHI shows better correlation with symptom improvement.

Area of Science:

  • Pediatric Pulmonology
  • Sleep Medicine
  • Otolaryngology

Background:

  • Polysomnography is the gold standard for diagnosing sleep-disordered breathing (SDB) in children.
  • Controversy exists regarding its routine indication due to weak correlation between objective measures and symptoms.

Purpose of the Study:

  • To evaluate the correlation between clinical data and the apnea-hypopnoea index (AHI) in pediatric SDB patients.
  • To assess this correlation in both preoperative and postoperative settings.

Main Methods:

  • Compared preoperative clinical symptoms and AHI in 170 children undergoing polysomnography for SDB.
  • Analyzed postoperative correlation in 80 children after adenotonsillectomy, with 1-year follow-up polysomnography.

Main Results:

  • Preoperatively, only tonsillar hypertrophy degree significantly correlated with AHI.
  • Postoperatively, AHI showed correlation with apnea resolution (66.7% in resolved group) and snoring improvement (visual analogue scale reduction).

Conclusions:

  • Polysomnography remains the gold standard for pediatric SDB diagnosis despite limited preoperative clinical correlation.
  • Further research is needed to identify objective parameters with higher correlation to clinical presentation.
Abstract

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