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Sleep-disordered breathing in children with achondroplasia
P J Mogayzel1, J L Carroll, G M Loughlin
1Eudowood Division of Pediatric Respiratory Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.
The Journal of Pediatrics
|May 15, 1998
Summary
Children with achondroplasia frequently experience sleep-disordered breathing, mainly hypoxemia. While most have mild issues, some require interventions like CPAP or tracheostomy due to severe obstructive sleep apnea.
Area of Science:
- Pediatric Pulmonology
- Sleep Medicine
- Genetics
Background:
- Achondroplasia is a genetic disorder affecting bone growth.
- Sleep-disordered breathing (SDB) is a potential complication in children with achondroplasia.
- Characterizing SDB is crucial for timely intervention and management.
Purpose of the Study:
- To investigate the prevalence and characteristics of sleep-disordered breathing in children with achondroplasia.
- To identify common respiratory disturbances during sleep in this population.
- To assess the severity of SDB and its impact on oxygenation and CO2 levels.
Main Methods:
- Polysomnography was performed on 88 children with achondroplasia.
- Age range of participants was 1 month to 12.6 years.
- Data collected included apnea-hypopnea index, oxygen saturation, and end-tidal pCO2.
Main Results:
- Nearly half (47.7%) of the children had abnormal sleep study results, primarily due to hypoxemia.
- While most had low apnea indices, a minority experienced severe obstructive sleep apnea requiring treatment.
- Some children presented with restrictive lung disease at a young age.
Conclusions:
- Sleep-related respiratory disturbances, particularly hypoxemia, are common in children with achondroplasia.
- A significant minority of children with achondroplasia experience severe SDB.
- Early identification and management of SDB, including potential surgical interventions like tonsillectomy and adenoidectomy, are important.