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Autonomic alterations and endothelial dysfunction in pediatric obstructive sleep apnea

Leila Kheirandish-Gozal1, Rakesh Bhattacharjee, David Gozal

  • 1Department of Pediatrics and Comer Children's Hospital, Pritzker School of Medicine, The University of Chicago, IL 60637, USA. lgozal@peds.bsd.uchicago.edu

Sleep Medicine
|July 13, 2010
PubMed

Insights

Obstructive sleep apnea syndrome (OSAS) in children disrupts autonomic nervous system control and activates inflammatory pathways, increasing cardiovascular risks. Further research into these mechanisms and obesity interactions is crucial for future treatment approaches.

Area of Science:

  • Pediatric Cardiology
  • Sleep Medicine
  • Vascular Biology

Background:

  • Cardiovascular consequences of obstructive sleep apnea syndrome (OSAS) in children are increasingly recognized.
  • OSAS significantly alters autonomic nervous system control, leading to heightened sympathetic activity.
  • OSAS triggers systemic inflammation, compromising endothelial integrity and function.

Purpose of the Study:

  • To elucidate the cardiovascular effects of OSAS in pediatric populations.
  • To understand the interplay between OSAS, autonomic dysfunction, and inflammation.
  • To explore the role of angiogenic factors and progenitor cells in OSAS-induced vascular changes.

Main Methods:

  • Review of current literature on OSAS and cardiovascular outcomes in children.
  • Analysis of mechanisms involving autonomic nervous system imbalance.
  • Investigation of inflammatory pathways and endothelial responses in OSAS.
  • Examination of angiogenic factors and progenitor cell mobilization.

Main Results:

  • OSAS induces significant sympathetic outflow and reactivity in children.
  • Systemic inflammation and endothelial dysfunction are key consequences of OSAS.
  • Angiogenic factors and progenitor cells may play a dual role in vascular repair and damage.
  • Obesity is a critical factor interacting with OSAS and its cardiovascular impact.

Conclusions:

  • OSAS poses substantial cardiovascular risks in children through autonomic and inflammatory pathways.
  • Understanding these complex interactions is vital for developing effective pediatric OSAS management strategies.
  • Further research into pediatric OSAS, obesity, and vascular repair mechanisms is warranted.

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