Sleep-disordered breathing including obstructive sleep apnea (OSA) is an extremely common medical disorder associated with important morbidity. The purpose of this study is to understand the clinical features and course of patients with sleep apnea in Korea. Participants who are suspected of sleep apnea due to symptoms such as snoring, witnessed apneas, waking up with a choking sensation, excessive sleepiness, non-restorative sleep, difficulty initiating or maintaining sleep, fatigue or tiredness, and morning headache will be prospectively recruited at the outpatient clinic of Seoul National University Hospital. After polysomnography (PSG) or respiratory polygraphy, patients with sleep apnea including OSA and central sleep apnea (CSA) will be followed regularly. Participants not having sleep apnea (apnea-hypopnea index \< 5/hour) will only have a baseline visit. For only participants with the informed consent of donating blood, their blood samples will be collected and stored in the Seoul National University Hospital-Human Biobank (SNUH-HUB).
Study Type
OBSERVATIONAL
Enrollment
1,000
Seoul National University Hospital
Seoul, South Korea
RECRUITINGThe number of participants with adherence to positive airway pressure (PAP) therapy
PAP adherence is defined as the use of PAP therapy for ≥4 h/night on ≥70% of nights
Time frame: Median follow up of 2 years
The number of deaths
The number of deaths
Time frame: Median follow up of 15 years
The cause of death
The cause of death
Time frame: Median follow up of 15 years
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