the diagnostic standard for obstructive sleep apnea is nocturnal polysomnography in a sleep laboratory. the exact prevalence of osa is unknown, although estimates range from 2% to 14% in community-screened populations to a much higher prevalence in certain subgroups (i.e., 20% to 90% of persons referred for sleep studies).7,9 men are three times more likely than women to have osa.
home sleep apnea tests can be an alternative to type-i studies in patients who are unable to present to a sleep laboratory. they have been shown to be effective in reducing snoring but not effective for other sleep parameters.37 use of pharmacologic agents has been proposed to increase respiratory drive and upper airway muscle tone; however, these agents have not been shown to successfully treat osa.37 data sources: a pubmed search was performed using the key term obstructive sleep apnea.
access your health information from any device with myhealth. the gold standard for diagnosis is a polysomnography (psg), or, sleep study. a home monitoring device may be a useful alternative for some patients under the guidance of a knowledgeable sleep professional. nasopharyngoscopy is an office procedure in which a flexible fiberoptic endoscope is introduced through the nose and throat to observe anatomical structures that narrow the airway and compromise airflow and cause snoring.
the objective of this test is to reproduce what occurs to the patient’s upper airway in a sleep state, and identify structures and areas causing the obstruction. these tools should be used together to establish a diagnosis and guide the physician’s decision-making towards the appropriate treatment for each patient. as a stanford health care patient, you may have access to the latest, advanced clinical trials. closed trials are not currently enrolling, but may open in the future.
the diagnosis of osa is based upon the presence or absence of related symptoms, as well as the frequency of respiratory events during sleep (i.e., apneas, the diagnostic standard for obstructive sleep apnea is nocturnal polysomnography in a sleep laboratory. home sleep apnea tests can be osa is typically diagnosed by polysomnography. while the patient sleeps, their brain waves, blood oxygen levels, heart rate and breathing are being, .
diagnostic evaluation — osa should be suspected whenever a patient presents with excessive daytime sleepiness, snoring, and choking or gasping if osa is confirmed by the home test, positive airway pressure (pap) therapy can usually be initiated at home using an automatic titrating pap diagnosis. in general, the physical examination is normal in patients with osa, aside from the presence of obesity (body mass index: >30 kg/, .
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