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Sleep-disordered breathing and its concomitants in a subclinical population
Sleep
|December 1, 1986
Summary
Heavy snoring may indicate underlying sleep-disordered breathing (SDB) even in healthy men. While not always pathological, SDB shows links to higher blood pressure and sleepiness, suggesting a continuum with sleep apnea syndrome.
Area of Science:
- Sleep Medicine
- Respiratory Physiology
- Cardiovascular Health
Background:
- Sleep-disordered breathing (SDB) is common in sleep apnea syndrome (SAS).
- The presence and impact of SDB in subclinical populations, like heavy snorers, require further investigation.
- Understanding the continuum between heavy snoring and SAS is crucial for early detection and intervention.
Purpose of the Study:
- To evaluate potential deficits associated with SDB in healthy, heavy-snoring men.
- To investigate the relationship between SDB, health status, and sleep/wake patterns.
- To determine if a continuum exists between heavy snorers and patients with SAS.
Main Methods:
- Polysomnography was used to measure nocturnal respiration in 46 healthy, heavy-snoring men.
- Health status and sleep/wake cycles were assessed.
- Subjects were grouped based on apnea/hypopnea index (AHI) levels.
Main Results:
- 62% of subjects exhibited at least one apnea/hypopnea event; 13% had an AHI ≥ 5.
- Significant correlations were found between SDB, weight, age, blood pressure, subjective sleepiness, and napping.
- Subjects with high AHI (≥ 5) showed lower nocturnal oxygenation but no differences in health or sleep/wake variables compared to others.
Conclusions:
- Heavy snoring in healthy men can be associated with SDB, suggesting a continuum towards SAS.
- While SDB events in subclinical populations may not be benign, the threshold for pathological significance remains unclear.
- Further research is needed to define the clinical implications of SDB in non-apneic populations.