The International Classification of Sleep Disorders, Second Edition (ICSD-2) classifies sleep-
related breathing disorders into 3 basic categories: central sleep apnea syndrome …

Obstructive sleep apnea (OSA) is characterized by repetitive episodes of complete and
partial obstructions of the upper airway during sleep. The diagnosis of OSA requires the …

Obstructive sleep apnea/hypopnea syndrome (OSAHS) is characterized by recurrent
episodes of partial or complete upper airway collapse during sleep that is highlighted by a …

INTRODUCTION—Obstructive sleep apnea (OSA) is a disorder that is characterized by
obstructive apneas, hypopneas, and/or respiratory effort-related arousals caused by …

Obstructive sleep apnea (OSA) is a disorder characterized by intermittent upper-airway
collapse, which impairs ventilation and disrupts sleep. Factors that contribute to upper …

Obstructive sleep apnea syndrome (OSAS) is a common and underdiagnosed medical
condition characterized by recurrent sleep-dependent pauses and reductions in airflow …

Obstructive sleep apnea (OSA) is a highly prevalent disease characterized by recurrent
episodes of upper airway obstruction that result in recurrent arousals and episodic …

Obstructive sleep apnea-hypopnea syndrome (OSAHS) is characterized by repetitive
episodes of airflow reduction (hypopnea) or cessation (apnea) due to upper airway collapse …

The term sleep-disordered breathing has been used synonymously with the term obstructive
sleep apnea syndrome (OSAS). In a broader sense, however, the disorders of breathing …

Complete or partial collapse of the upper airway during sleep has different effects on the
human body ranging from noisy breathing (snoring) to significant cardiovascular sequelae …