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Obstructive sleep apnoea in adults presenting with snoring.
C J Woodhead1, J E Davies, M B Allen
1Department of Otolaryngology, Leeds General Infirmary, UK.
Clinical Otolaryngology and Allied Sciences
|August 1, 1991
Summary
Loud snoring often indicates obstructive sleep apnoea (OSA). This study found 46% of loud snorers had OSA, with narrow airways and obesity being key indicators. Early assessment is crucial for managing this common sleep disorder.
Area of Science:
- Otolaryngology
- Sleep Medicine
- Respiratory Medicine
Background:
- Snoring is a prevalent condition.
- Its association with obstructive sleep apnoea (OSA) is known, but incidence data in snorers is limited.
- Understanding upper airway anatomy in snorers is key to diagnosing OSA.
Purpose of the Study:
- To investigate the upper airway anatomy of patients with loud snoring.
- To correlate upper airway findings with sleep study data, specifically OSA incidence.
- To identify predictors of OSA in individuals referred for loud snoring.
Main Methods:
- A cohort of 35 patients referred for loud snoring underwent comprehensive evaluation.
- Methods included medical history, physical examination, rhinomanometry, oropharyngeal assessment, and fibreoptic pharyngoscopy with a modified Muller manoeuvre.
- All participants completed a sleep study to diagnose OSA.
Main Results:
- Obstructive sleep apnoea (OSA) was diagnosed in 46% of the studied patients.
- Significant correlations with OSA included excessively loud snoring, oropharyngeal narrowing, and marked obesity.
- 94% of patients presenting with at least one of these factors showed evidence of OSA.
Conclusions:
- Loud snoring is a strong indicator of potential obstructive sleep apnoea.
- Oropharyngeal narrowing and obesity are significant risk factors for OSA in snorers.
- Integrated assessment of snoring, airway anatomy, and obesity is vital for OSA diagnosis.