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Conducting Respiratory Oscillometry in an Outpatient Setting
Published on: April 8, 2022
Acoustic rhinometry in pediatric sleep apnea
Monica N Okun1, Nicos Hadjiangelis, Daniel Green
1Lexington ENT, New York, NY, USA.
Sleep & Breathing = Schlaf & Atmung
|July 31, 2009
Summary
Acoustic rhinometry (AR) can detect positional airway changes in children with obstructive sleep apnea (OSA). These changes, observed when moving from upright to supine, predict OSA in pediatric patients.
Area of Science:
- Pediatric Pulmonology
- Sleep Medicine
- Diagnostic Imaging
Background:
- Obstructive sleep apnea (OSA) is a common condition in children.
- Accurate diagnosis of pediatric OSA is crucial for effective management.
- Non-invasive diagnostic tools for pediatric OSA are actively being researched.
Purpose of the Study:
- To assess the utility of acoustic rhinometry (AR) in diagnosing pediatric obstructive sleep apnea (OSA).
- To investigate positional changes in nasopharyngeal airway measurements using AR in children with suspected OSA.
Main Methods:
- A prospective study involving 20 children with suspected OSA.
- Acoustic rhinometry (AR) measurements were performed in upright and supine positions.
- Results were correlated with attended overnight polysomnography (PSG) findings.
Main Results:
- 15 out of 20 children (75%) were diagnosed with OSA (Apnea-Hypopnea Index [AHI] ≥ 5 events/hour).
- Children with OSA exhibited significant positional changes in nasal cavity volume (average decrease of 1.53 cm³; p=0.027).
- Positional airway changes measured by AR were predictive of OSA (r²=0.65; p=0.035).
Conclusions:
- Acoustic rhinometry reveals distinct differences in nasopharyngeal airway measurements between children with OSA and primary snoring (PS).
- Positional airway changes identified by AR are significant predictors of OSA in children.
- Further research into airway function using AR in pediatric OSA is warranted.
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