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Changes in sleep apnea after supraglottoplasty in infants with laryngomalacia

Rosser Powitzky1, Julie Stoner, Tyson Fisher

  • 1Oklahoma University Health Science Center, Oklahoma City, OK, USA. rosser-powitzky@ouhsc.edu

International Journal of Pediatric Otorhinolaryngology
|August 6, 2011
PubMed

Insights

Supraglottoplasty significantly improved moderate to severe obstructive sleep apnea in infants with laryngomalacia. Polysomnography can identify sleep apnea and measure outcomes after this surgery.

Area of Science:

  • Pediatric Otolaryngology
  • Sleep Medicine
  • Respiratory Physiology

Background:

  • Laryngomalacia is a common cause of stridor in infants.
  • Obstructive sleep apnea (OSA) can be associated with laryngomalacia, impacting infant health.
  • Surgical intervention like supraglottoplasty is considered for severe cases.

Purpose of the Study:

  • To evaluate clinical and polysomnography outcomes in infants with laryngomalacia after supraglottoplasty.
  • To assess the effectiveness of supraglottoplasty in improving sleep-disordered breathing.
  • To determine the utility of polysomnography in managing these patients.

Main Methods:

  • Retrospective review of infants (<1 year) undergoing polysomnography before and after supraglottoplasty.
  • Analysis of changes in stridor, sleep-disordered breathing, swallowing, and polysomnography parameters.
  • Statistical comparison using Wilcoxon signed-rank test.

Main Results:

  • Significant improvements in apnea-hypopnea index (AHI) and obstructive apnea index (OAI) post-surgery.
  • Improvements noted in O2 saturation and reduction in time spent with low saturation, though not always statistically significant.
  • Postoperative AHI correlated with stridor improvement; dysphagia resolved in affected patients without complications.

Conclusions:

  • Supraglottoplasty appears effective and safe for moderate to severe OSA in infants with laryngomalacia.
  • Polysomnography is valuable for identifying OSA and objectively measuring outcomes post-supraglottoplasty.
  • Further large-scale prospective studies are warranted to confirm these findings.
Abstract

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