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The goals of the project is to evaluate the effects of Heliox therapy on obstructive sleep apnea syndrome (OSAS).
Obstructive sleep apnea syndrome (OSAS) is a common condition affecting up to 2-4 % of the general population. The pathophysiologic consequences of OSA include: excessive daytime sleepiness leading to increased car and work related accidents; and increased incidence of hypertension (HTN), stroke and possibly coronary artery events. In addition, patients with severe and untreated obstructive sleep apnea (OSA) have increased mortality compared to patients with treated severe OSA.The main stay of treatment of OSAS is the application of continuous positive airway pressure (CPAP) during sleep. The main problem with CPAP therapy is compliance. Heliox, a mixture of oxygen and helium has been used for many years in the treatment of upper airway obstruction. In this study, the investigators will evaluate the effectiveness of Heliox in the treatment of OSAS. Adult subjects with the diagnosis of obstructive sleep apnea syndrome who are referred for repeat sleep study for CPAP titration will be evaluated.
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Obstructive Sleep Apnea Syndrome
Sleep center, Staten Island University Hospital
North Shore Long Island Jewish Health System
Published on BioPortfolio: 2014-08-27T04:00:54-0400
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A condition associated with multiple episodes of sleep apnea which are distinguished from obstructive sleep apnea (SLEEP APNEA, OBSTRUCTIVE) by the complete cessation of efforts to breathe. This disorder is associated with dysfunction of central nervous system centers that regulate respiration. This condition may be idiopathic (primary) or associated with lower brain stem lesions; chronic obstructive pulmonary disease (LUNG DISEASES, OBSTRUCTIVE); HEART FAILURE, CONGESTIVE; medication effect; and other conditions. Sleep maintenance is impaired, resulting in daytime hypersomnolence. Primary central sleep apnea is frequently associated with obstructive sleep apnea. When both forms are present the condition is referred to as mixed sleep apnea (see SLEEP APNEA SYNDROMES). (Adams et al., Principles of Neurology, 6th ed, p395; Neurol Clin 1996;14(3):611-28)
Disorders characterized by multiple cessations of respirations during sleep that induce partial arousals and interfere with the maintenance of sleep. Sleep apnea syndromes are divided into central (see SLEEP APNEA, CENTRAL), obstructive (see SLEEP APNEA, OBSTRUCTIVE), and mixed central-obstructive types.
HYPOVENTILATION syndrome in very obese persons with excessive ADIPOSE TISSUE around the ABDOMEN and DIAPHRAGM. It is characterized by diminished to absent ventilatory chemoresponsiveness; chronic HYPOXIA; HYPERCAPNIA; POLYCYTHEMIA; and long periods of sleep during day and night (HYPERSOMNOLENCE). It is a condition often related to OBSTRUCTIVE SLEEP APNEA but can occur separately.
Posterior displacement of the TONGUE toward the PHARYNX. It is often a feature in syndromes such as in PIERRE ROBIN SYNDROME and DOWN SYNDROME and associated with AIRWAY OBSTRUCTION during sleep (OBSTRUCTIVE SLEEP APNEAS).
Dyssomnias (i.e., insomnias or hypersomnias) associated with dysfunction of internal sleep mechanisms or secondary to a sleep-related medical disorder (e.g., sleep apnea, post-traumatic sleep disorders, etc.). (From Thorpy, Sleep Disorders Medicine, 1994, p187)
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