Effect of Obesity on the Respiratory Parameters in Children with Obstructive Sleep Apnea Syndrome

Carolina Caliendo1, Rossella Femiano1, Giuseppina Rosaria Umano2

  • 1Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy.

PubMed

Insights

Obesity does not strongly correlate with obstructive sleep apnea syndrome (OSAS) in children. However, higher Body Mass Index (BMI) is associated with increased Apnea-Hypopnea Index (AHI) severity in pediatric OSAS patients.

Area of Science:

  • Pediatric Pulmonology
  • Sleep Medicine
  • Obesity Research

Background:

  • Obstructive Sleep Apnea Syndrome (OSAS) is a prevalent condition in children.
  • The influence of obesity on OSAS respiratory parameters requires further investigation.

Purpose of the Study:

  • To investigate the relationship between obesity and sleep respiratory parameters in children with OSAS.
  • To determine if higher Body Mass Index (BMI) affects the severity of OSAS.

Main Methods:

  • Analysis of 56 Caucasian children and adolescents (age 11 ± 2.79 years) with BMI > 5th percentile.
  • Division into Obesity Group (OG, BMI ≥ 95th percentile) and Control Group (CG, 5th < BMI < 95th percentile).
  • Assessment of respiratory parameters including Apnea-Hypopnea Index (AHI), Oxygen Desaturation Index (ODI), and lowest SaO2 (Nadir) via Polysomnography (PG).

Main Results:

  • A statistically significant difference was observed between groups for ODI (p = 0.02).
  • A significant correlation was found between BMI and AHI (r = 0.02), SaO2 (r = 0.01), and Nadir O2 (r = 0.02).

Conclusions:

  • No strong direct correlation between obesity and OSAS was identified.
  • A positive association exists between higher BMI and increased AHI severity in pediatric OSAS.

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