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Impact of sleep respiratory disorders on endothelial function in children

Luigia Brunetti1, Ruggiero Francavilla1, Pietro Scicchitano2

  • 1Department of Biomedicine of the Developmental Age, Pediatric Unit "S. Maggiore", University of Bari, Piazza G. Cesare 11, 70124 Bari, Italy.

Thescientificworldjournal
|January 24, 2014
PubMed

Insights

Children with obstructive sleep apnea syndrome (OSAS) experience impaired endothelial function, a key indicator of early atherosclerosis. Higher apnea-hypopnea index (AHI) scores correlate with worse outcomes, highlighting childhood cardiovascular risk.

Area of Science:

  • Pediatric Cardiology
  • Sleep Medicine
  • Vascular Biology

Background:

  • Obstructive sleep apnea syndrome (OSAS) is increasingly recognized in children.
  • Endothelial dysfunction is an early marker of atherosclerosis and cardiovascular risk.
  • The relationship between OSAS, obesity, and endothelial function in pediatric populations requires further investigation.

Purpose of the Study:

  • To investigate the association between endothelial function, obesity, and sleep-disordered breathing (SDB) in children.
  • To determine if OSAS impacts endothelial function in pediatric patients.
  • To explore the correlation between the severity of SDB (AHI) and the degree of endothelial dysfunction (FMD).

Main Methods:

  • Paediatric population studied.
  • Endothelial function assessed using flow-mediated vasodilation (FMD).
  • Obesity evaluated by body mass index (BMI).
  • Sleep-disordered breathing (SDB) quantified by the apnea-hypopnea index (AHI).

Main Results:

  • Children with OSAS exhibited significantly impaired endothelial function compared to control groups.
  • A positive correlation was observed between higher AHI values and reduced FMD measurements.
  • These findings suggest that increased SDB severity is linked to poorer endothelial function.

Conclusions:

  • OSAS in children can lead to endothelial dysfunction.
  • Impaired endothelial function in pediatric OSAS patients may contribute to an elevated cardiovascular risk profile from an early age.
  • Further research with larger cohorts is warranted to confirm these findings and elucidate long-term implications.

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