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Clinical versus polysomnographic profiles in children with obstructive sleep apnoea
I B Masters1, J M Harvey, P D Wales
1Department of Respiratory Medicine, Mater Children's Hospital, South Brisbane, Queensland, Australia.
Journal of Paediatrics and Child Health
|May 11, 1999
Summary
Neurologically abnormal children with obstructive sleep apnoea (OSA) show more severe polysomnographic (PSG) abnormalities. Clinical assessments correlate with OSA severity in abnormal children but not in normal children, necessitating combined clinical and PSG data for treatment decisions.
Area of Science:
- Pediatric Sleep Medicine
- Neurology
- Respiratory Medicine
Background:
- Obstructive sleep apnoea (OSA) is a common sleep disorder in children.
- Neurological status can influence the presentation and severity of OSA.
- Understanding the interplay between clinical and polysomnographic findings is crucial for effective management.
Purpose of the Study:
- To compare the clinical and polysomnographic (PSG) characteristics of neurologically normal and abnormal children diagnosed with OSA.
- To investigate the relationship between clinical assessments and PSG findings in these two groups.
Main Methods:
- A cohort of 56 children with persistent snoring and OSA was studied.
- 16 children in the cohort had documented neurological abnormalities.
- All participants underwent clinical examinations and overnight PSG studies, with data analyzed for clinical and PSG scores and severity ratings.
Main Results:
- Neurologically abnormal children exhibited significantly higher obstructive apnoea indices and desaturation events, with lower arousal indices compared to neurologically normal peers.
- A significant correlation between clinical and PSG severity ratings was found in neurologically abnormal children (r = 0.56, P = 0.03).
- This correlation was weak in neurologically normal children (r = -0.08, P = NS), indicating limited predictive value of clinical data alone.
Conclusions:
- Neurologically abnormal children with OSA tend to have more severe PSG abnormalities.
- Clinical assessments may only reflect severe OSA in abnormal children, with limited predictive power in neurologically normal children.
- Treatment and severity decisions for pediatric OSA should integrate both clinical and PSG findings, rather than relying on individual scores or parameters.