Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine
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Randomized Controlled Trial
Impact of zaleplon on continuous positive airway pressure therapy compliance.
To determine whether pretreatment with zaleplon immediately before CPAP titration improves 1-month CPAP adherence in subjects newly diagnosed with OSA. ⋯ A single dose of zaleplon at the start of a split-night CPAP titration does not result in superior CPAP adherence or improvement in symptoms at 1-month compared to placebo. Our data show that zaleplon is safe and is associated with shorter sleep latency during CPAP titration, but it does not translate into improved short-term CPAP adherence.
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Empirical findings on the prospective link between obstructive sleep apnea (OSA) and subsequent depression are mixed. This nationwide, population-based study thus aimed at assessing the risk of depressive disorder within the first year following a diagnosis with OSA. Gender effects were further examined. ⋯ A commentary on this article appears in this issue on page 425.
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To study the possible predictive value of drug-induced sleep endoscopy (DISE) in assessing therapeutic response to implanted upper airway stimulation (UAS) for obstructive sleep apnea (OSA). ⋯ The absence of palatal CCC during DISE may predict therapeutic success with implanted UAS therapy. DISE can be recommended as a patient selection tool for implanted UAS to treat OSA.
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Randomized Controlled Trial
Effects of armodafinil on simulated driving and self-report measures in obstructive sleep apnea patients prior to treatment with continuous positive airway pressure.
Obstructive sleep apnea (OSA) has been associated with an increased risk of motor vehicle crashes. This driving risk can be reduced (≥ 50%) by treatment with continuous positive airway pressure (CPAP). However residual excessive daytime sleepiness (EDS) can persist for some patients who regularly use CPAP. The current study was designed to assess the effect of armodafinil on simulated driving performance and subsequent CPAP treatment compliance in newly diagnosed OSA patients with EDS during a 2-week "waiting period" prior to initiation of CPAP. ⋯ Armodafinil was found to improve simulated driving performance in OSA patients with EDS prior to initiation of CPAP. Treatment with armodafinil showed no effect on subsequent CPAP compliance.
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Comparative Study
Obstructive sleep apnea after weight loss: a clinical trial comparing gastric bypass and intensive lifestyle intervention.
Few studies have compared the effect of surgical and conservative weight loss strategies on obstructive sleep apnea (OSA). We hypothesized that Roux-en-Y gastric bypass (RYGB) would be more effective than intensive lifestyle intervention (ILI) at reducing the prevalence and severity of OSA (apnea-hypopnea-index [AHI] ≥ 5 events/hour). ⋯ Our study demonstrates that RYGB was more effective than ILI at reducing the prevalence and severity of OSA. However, our analysis also suggests that weight loss, rather than the surgical procedure per se, explains the beneficial effects.