Signal quality of home polygraphy in children and adolescents

Camilla Hansen1, Liselotte Sonnesen1, Agneta Markström2,3

  • 1Section of Orthodontics and Dental Sleep Clinic, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.

Insights

Home polygraphy (PG) is a feasible method for assessing sleep-disordered breathing in children, yielding good signal quality. Automatic scoring resulted in significantly higher sleep-disordered breathing markers compared to manual scoring.

Area of Science:

  • Pediatric Sleep Medicine
  • Respiratory Physiology

Background:

  • Home polygraphy (PG) is increasingly used for diagnosing sleep-disordered breathing (SDB).
  • Assessing the signal quality (SQ) and scoring accuracy of home PG in pediatric populations is crucial for reliable diagnosis.

Purpose of the Study:

  • To evaluate the signal quality (SQ) of home polygraphy (PG) in children and adolescents.
  • To compare the outcomes of automatic versus manual scoring of home PGs in this age group.

Main Methods:

  • 54 healthy children aged 9-14 years performed home PGs.
  • Participants and caregivers were responsible for equipment setup and data collection.
  • PGs were analyzed for signal quality and interpretability. Automatic and manual scoring differences for apnea-hypopnea index (AHI), apnea index (AI), hypopnea index (HI), and oxygen desaturation index (ODI) were examined.

Main Results:

  • 86% of the home PGs were interpretable, with a mean SQ of 79.1%.
  • Significant differences were observed between automatic and manual scoring for AHI, AI, HI, and ODI (p < 0.0001).
  • Automatic scoring yielded significantly higher SDB markers compared to manual scoring.

Conclusions:

  • Home polygraphy is a feasible diagnostic tool for children and adolescents, demonstrating good signal quality.
  • Automatic scoring methods may overestimate the severity of sleep-disordered breathing compared to manual scoring in pediatric populations.
Abstract