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Blood pressure is elevated in children with primary snoring
Albert M Li1, Chun T Au, Crover Ho
1Department of Pediatrics, Prince of Wales and Shatin Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong. albertmli@cuhk.edu.hk
The Journal of Pediatrics
|June 23, 2009
Summary
Primary snoring (PS) in children is linked to elevated nighttime blood pressure and is part of the spectrum of sleep-disordered breathing (SDB). This suggests PS is not benign and warrants attention in pediatric hypertension research.
Area of Science:
- Pediatric Cardiology
- Sleep Medicine
- Public Health
Background:
- Sleep-disordered breathing (SDB) is increasingly recognized as a factor influencing cardiovascular health in children.
- Primary snoring (PS) is common in children, but its association with blood pressure (BP) and its role within the SDB spectrum require further elucidation.
Purpose of the Study:
- To compare ambulatory blood pressure (ABP) in nonoverweight, prepubertal children with and without primary snoring (PS).
- To investigate if primary snoring (PS) is part of the dose-response relationship between sleep-disordered breathing (SDB) and blood pressure (BP) in children.
Main Methods:
- A cross-sectional community-based study included 190 children aged 6–13 years.
- Participants underwent overnight sleep studies and ambulatory blood pressure monitoring.
- Blood pressure metrics (SBP, DBP, mean arterial BP) were calculated for wake and sleep periods; hypertension was defined as BP > 95th percentile.
Main Results:
- Blood pressure increased across the severity spectrum of SDB, with significant dose-response trends for nighttime hypertension.
- Nighttime diastolic blood pressure (DBP) was significantly higher in children with PS compared to controls, even after adjusting for age, sex, and BMI.
- Children with primary snoring showed elevated blood pressure, indicating a link between snoring and hypertension.
Conclusions:
- Primary snoring (PS) is an integral component of the SDB-BP relationship in children.
- Primary snoring should not be considered benign and may contribute to elevated blood pressure in pediatric populations.
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