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Obstructive site localization in patients with Obstructive Sleep Apnea Syndrome: a comparison between otolaryngologic
D DI Venere1, M Corsalini1, G M Nardi2
1Interdisciplinary Department of Medicine (DIM), Section of Dentistry, University "Aldo Moro" of Bari, Bari, Italy.
ORAL & Implantology
|December 30, 2017
Summary
This study links obstructive sleep apnea syndrome (OSAS) craniofacial anatomy to airway obstruction. Cephalometric measurements correlate with apnea severity, identifying hyoid bone position as a key indicator for severe OSAS.
Area of Science:
- Otolaryngology
- Respiratory Medicine
- Dental Sleep Medicine
Background:
- Obstructive Sleep Apnea Syndrome (OSAS) involves repeated upper airway obstruction during sleep.
- Identifying the specific obstructive site is crucial for effective treatment.
- Craniofacial and pharyngeal anatomical variations contribute to OSAS pathogenesis.
Purpose of the Study:
- To examine craniofacial and pharyngeal anatomical characteristics in OSAS patients.
- To identify the precise obstructive site triggering the condition.
- To correlate otolaryngologic findings with cephalometric data for obstruction site identification.
Main Methods:
- A sample of 16 OSAS patients (12 male, 4 female) were analyzed.
- Patients underwent otolaryngologic (ORL) evaluation including ApneaGraph (AG) recording.
- Dental diagnostic procedures included cephalometric assessment.
Main Results:
- A strong correlation was found between the Apnea-Hypopnea Index (AHI) and cephalometric values.
- Specific correlations included the ANB angle, hyoid bone to mandibular plane distance, and hyoid bone to C3-Me plane distance.
- These cephalometric parameters showed a strict relationship with the severity of airway obstruction.
Conclusions:
- Otolaryngologic diagnosis of obstruction level aligns with cephalometric respiratory tract assessments (IPAS and SAS).
- AHI correlates significantly with the ANB angle and hyoid bone positioning.
- A caudal (low) hyoid bone position is a significant indicator for diagnosing severe OSAS.
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