uars upper airway resistance syndrome

conclusion: randomized controlled trials with larger numbers of patients and long-term follow-up are important to establish uars treatment options. some authors believe that uars patients have an increase in alpha rhythm and an over-activation of the autonomic nervous system [13]. there are some treatment studies available in the literature, but most of these are case reports and case series. only 15 articles focused on uars treatment, and all the articles included in scielo, cochrane, bireme, lilacs and web of science were also included in pubmed. of the 222 articles found in pubmed and from the 678 articles in scielo, cochrane, bireme, lilacs and web of science using the keywords “flow limitation and sleep,” none described uars treatments.

[1,23,24] cpap treatment was associated to decrease in transient arousals, increase in percentage of nrem stages 3 and 4 and the sleep latency at mslt. the sleep fragmentation associated with uars can cause daytime fatigue and enhance anxiety, factors that can increase the difficulty in treating chronic insomnia. the only outcome evaluated in these studies were subjective sleepiness [29–31] and snoring [30–31] and the follow-up was not long enough to consider surgery a long-term effective management for this group of patients. a significant increase in the mean sleep latency in the mslt [34,35] and an absence of sleep during the maintenance of wakefulness test (mwt) was also observed [34]. a double-blind, randomized, controlled trial with a cross-over design study was performed to evaluate the effect of external nasal dilatation in uars patients [38]. the available studies that have evaluated surgical treatments of uars patients have methodological limitations and low numbers of patients evaluated.

upper airway resistance syndrome (uars) is caused by a slowing or blockage of air in the nasal passages during sleep, disrupting it and causing fatigue. upper airway resistance syndrome, commonly known as uars, is a disorder included with many others that encompass an umbrella of conditions uars diagnosis is suspected in individuals with complaints of excessive daytime sleepiness or daytime tiredness, no osas and a polysomnographic, .

upper airway resistance syndrome (uars) happens when the soft tissue in your throat relaxes and doesn’t allow proper airflow while you sleep. it’s similar to obstructive sleep apnea (osa) but not as severe. some experts classify uars as a condition that falls somewhere between snoring and sleep apnea. this occurs when the soft tissue in the person’s throat relaxes and impedes the airflow. the airflow is decreased, but not to the degree of osa. because it, .

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