Annals of the American Thoracic Society
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Sleep-disordered breathing and chronic obstructive pulmonary disease are two common conditions that may present concomitantly. The effects of chronic obstructive pulmonary disease on the polysomnographic manifestation of sleep-disordered breathing have not been studied. ⋯ The presence of expiratory snoring predicts obstructive airway disorders. Patients with expiratory snoring and low mean oxygen saturation during sleep should be carefully assessed for pulmonary disorders such as asthma and chronic obstructive pulmonary disease.