Achondroplasia and obstructive sleep apnea: surgical outcomes and comparison to general population

Claudio Gomez Ascencio1, Anna Wani1, Ron B Mitchell1

  • 1University of Texas Southwestern Medical Center, Dallas, Texas.

Insights

Children with achondroplasia and obstructive sleep apnea (OSA) experience earlier onset and benefit from adenotonsillectomy for moderate to severe OSA. Surgical interventions like cervicomedullary decompression also improved apnea-hypopnea index.

Area of Science:

  • Pediatric Sleep Medicine
  • Genetics and Rare Diseases
  • Surgical Outcomes

Background:

  • Achondroplasia is a genetic disorder characterized by disproportionate dwarfism.
  • Obstructive sleep apnea (OSA) is a common comorbidity in children with achondroplasia.
  • Understanding the demographics and treatment efficacy in this population is crucial.

Purpose of the Study:

  • To compare the demographics of children with achondroplasia and OSA to the general pediatric OSA population.
  • To evaluate the surgical treatment outcomes for children with achondroplasia and OSA.
  • To identify differences in age of onset and treatment response.

Main Methods:

  • Retrospective chart review of 22 children with achondroplasia and OSA and 141 controls with OSA.
  • Analysis of polysomnography parameters before and after surgical interventions.
  • Comparison of baseline characteristics between the achondroplasia and control groups.

Main Results:

  • Children with achondroplasia and OSA presented at a significantly younger age (3.1 years) for adenotonsillectomy compared to controls (6.8 years).
  • Adenotonsillectomy in achondroplasia patients with moderate to severe OSA led to improvements in obstructive apnea-hypopnea index and oxygen saturation.
  • Adenoidectomy alone did not significantly alter OSA, while cervicomedullary decompression improved the obstructive apnea-hypopnea index.

Conclusions:

  • Patients with achondroplasia and OSA exhibit an earlier age of onset compared to their non-achondroplasia counterparts.
  • Adenotonsillectomy is an effective treatment for moderate to severe OSA in children with achondroplasia.
  • Cervicomedullary decompression offers a potential benefit for improving OSA in this population.
Abstract

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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
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