Plasma adhesion molecules in children with sleep-disordered breathing

Area of Science:

• Pediatric Sleep Medicine
• Cardiovascular Health
• Inflammation Markers

Background:

• Childhood sleep-disordered breathing (SDB) is increasingly recognized for its potential long-term health consequences.
• Adhesion molecules are implicated in inflammatory processes and cardiovascular disease.
• Understanding the link between SDB and inflammation markers in children is crucial for early intervention.

Purpose of the Study:

• To investigate the association between childhood sleep-disordered breathing (SDB) and plasma levels of specific adhesion molecules.
• To determine if SDB contributes to inflammatory processes in children.
• To explore the relationship between SDB, obesity, and cardiovascular risk markers.

Main Methods:

• A prospective, observational study was conducted involving 128 children.
• Participants were categorized into SDB, mild SDB, and healthy control groups based on polysomnography.
• Plasma levels of C-reactive protein (CRP), intercellular adhesion molecule-1 (ICAM-1), and P-selectin were measured.

Main Results:

• Children with SDB and mild SDB showed significantly higher plasma P-selectin levels compared to controls.
• P-selectin levels positively correlated with apnea-hypopnea index (AHI), respiratory arousal index, and negatively with oxygen saturation.
• Elevated ICAM-1 levels were primarily associated with obesity, not the severity of SDB.

Conclusions:

• Childhood SDB is associated with elevated plasma P-selectin, suggesting platelet activation and inflammation.
• These findings support the role of SDB in eliciting inflammatory processes in children, potentially increasing cardiovascular morbidity risk.
• ICAM-1 elevations appear more strongly linked to obesity than to SDB in this pediatric cohort.