Plasma natriuretic peptides in children and adolescents with obstructive sleep apnea and their changes following

Albert Martin Li1, Chun Ting Au1, Jodie Y Zhu1

  • 1Department of Paediatrics, The Chinese University of Hong Kong , Hong Kong , China.

Insights

Obesity, not obstructive sleep apnea (OSA), significantly impacts natriuretic peptide (NP) levels in children and adolescents. Treatment for OSA did not alter these peptide concentrations, highlighting BMI as the primary factor.

Area of Science:

  • Pediatric Endocrinology
  • Sleep Medicine
  • Cardiovascular Physiology

Background:

  • Obstructive sleep apnea (OSA) is increasingly recognized in children and adolescents.
  • Natriuretic peptides (NP) are biomarkers associated with cardiovascular strain.
  • The relationship between obesity, OSA, and NP levels in pediatric populations requires further elucidation.

Purpose of the Study:

  • To investigate circulating natriuretic peptide (NP) concentrations in obese and non-obese children and adolescents with and without obstructive sleep apnea (OSA).
  • To evaluate the effect of OSA treatment on NP levels in this cohort.

Main Methods:

  • Recruitment of children with habitual snoring and OSA symptoms.
  • Diagnosis of OSA via overnight polysomnography (PSG) with an apnea-hypopnea index (OAHI) ≥1/h.
  • Measurement of fasting serum atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) post-PSG.

Main Results:

  • One hundred fourteen children (median age 10.8 years) were analyzed; 68 had OSA.
  • No significant difference in NP levels was observed between subjects with and without OSA, irrespective of obesity status.
  • Body mass index (BMI) z-score emerged as the sole independent predictor of NP concentrations.
  • Post-treatment assessment in 15 children with moderate-to-severe OSA showed no significant changes in ANP or BNP levels.

Conclusions:

  • Body mass index (BMI) is the primary determinant of natriuretic peptide (NP) levels in school-aged children and adolescents.
  • Obstructive sleep apnea (OSA) itself does not appear to be a significant independent factor influencing NP levels in this age group.
  • Current OSA treatment strategies may not substantially alter NP levels in pediatric patients.
Abstract

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