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The purpose of this study is to evaluate the associations of circadian variations, sleep architecture, hypertension and prostanoids in the patients with sleep apnea. In addition, the patients introduced to continuous positive airway pressure(CPAP) treatment, the effects of CPAP are also evaluated.
Obstructive sleep apnea (OSA) is characterized by repetitive episodes of upper airway obstruction during sleep that provoke frequents arousals, sleep fragmentation, oxygen desaturation, and excessive daytime sleepiness. OSA may contribute to the development of systemic hypertension, cardiovascular disease. Many studies has reported a crucial role for the prostaglandin D system in sleep regulation. In addition, it has been described urinary or blood levels of prostaglandins was higher in the patients with hypertension, diabetes mellitus, and these values were associated with the severity of coronary artery disease. However, the relation between alterations of prostaglandin D system and sleep architecture, sleepiness, and clinical outcomes such as hypertension, arteriosclerosis in the patients with OSA are not known. Additionally, after CPAP treatment, we will investigate the association between change of prostaglandin system and sleep architecture, sleepiness, clinical outcomes.
Allocation: Non-Randomized, Control: Uncontrolled, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Kyoto University Graduate School of Medicine
Published on BioPortfolio: 2014-08-27T03:14:52-0400
Obstructive sleep apnea is a risk factor for diabetes and cardiovascular disease, by unknown mechanisms. The investigators hypothesize that sleep apnea changes glucose and lipid metabolism...
Study of the Efficacy of the Treatment of Sleep Apnea Syndrome by CPAP in Pharmacoresistant Epilepsy. The primary goal is to evaluate the efficacity after 3 months of obstructive sleep apn...
This is a research study of asthma and sleep apnea. Our hypothesis is that untreated sleep apnea causes inflammation in the lung, which can worsen asthma. We believe treatment of sleep a...
Sleep apnea is common among veterans with cerebrovascular disease (stroke or transient ischemic attack [TIA]), leads to hypertension, and is associated with recurrent stroke and death. Alt...
Targeted population: Sleep apnea patients at low cardiovascular risk newly treated by CPAP Hypothesis: Six months CPAP compliance might be greater in the telemonitoring arm compar...
There is limited information on the association between pre-treatment insomnia symptoms and dysfunctional sleep beliefs with continuous positive airway pressure (CPAP) adherence in veterans with obstr...
To clarify whether unmasking of central sleep apnea during continuous positive airway pressure (CPAP) initiation can be identified from initial diagnostic polysomnography (PSG) in patients with heart ...
This study explores the association between specific insomnia symptoms (sleep onset, sleep maintenance and early morning awakenings symptoms) and self-efficacy (perceived self-confidence in the abilit...
Endothelial dysfunction, a pathophysiologic determinant of atherogenesis, has been found to occur in obstructive sleep apnea syndrome (OSA) and is improved by continuous positive airway pressure (CPAP...
A close association of oxidative stress (OS) and ischemia-modified albumin (IMA) with obstructive sleep apnea (OSA) has been reported in the literature, but the results on IMA are ambiguous. We conduc...
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.
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)
An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.
A disorder characterized by recurrent apneas during sleep despite persistent respiratory efforts. It is due to upper airway obstruction. The respiratory pauses may induce HYPERCAPNIA or HYPOXIA. Cardiac arrhythmias and elevation of systemic and pulmonary arterial pressures may occur. Frequent partial arousals occur throughout sleep, resulting in relative SLEEP DEPRIVATION and daytime tiredness. Associated conditions include OBESITY; ACROMEGALY; MYXEDEMA; micrognathia; MYOTONIC DYSTROPHY; adenotonsilar dystrophy; and NEUROMUSCULAR DISEASES. (From Adams et al., Principles of Neurology, 6th ed, p395)
Sleep disorders disrupt sleep during the night, or cause sleepiness during the day, caused by physiological or psychological factors. The common ones include snoring and sleep apnea, insomnia, parasomnias, sleep paralysis, restless legs syndrome, circa...
The United States Food and Drug Administration (FDA) has approved on October 8th 2013 Adempas® (riociguat) tablets for: (i) the treatment of adults with persistent/recurrent chronic thromboembolic pulmonary hypertension (CTEPH) (WHO* Group 4) after ...