Sleep medicine
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Randomized Controlled Trial Multicenter Study
The partial positive allosteric GABA(A) receptor modulator EVT 201 is efficacious and safe in the treatment of adult primary insomnia patients.
To evaluate polysomnographic (PSG) and self-reported measures of the efficacy and safety of EVT 201 in patients with primary insomnia. ⋯ This first study of EVT 201 in adult patients with primary insomnia demonstrated improved measures of sleep onset and sleep maintenance, including during the third and fourth quarters of the night. Adverse events were infrequent and all were mild to moderate in severity.
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The co-existence of obstructive and central sleep apnea/hypopnea syndrome (OSAS) and periodic breathing is common in patients with and without underlying heart diseases. While automatic continuous positive airway pressure (APAP) has proven to effectively treat OSAS, the adaptive servo-ventilation (ASV) sufficiently improves periodic breathing. This is the first trial on a device which combines both treatment modes. ⋯ The algorithm combining automatic continuous positive airway pressure (CPAP) and ASV normalizes all types of co-existing obstructive and central apnea/hypopnea and periodic breathing.
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Randomized Controlled Trial
The nightly administration of sodium oxybate results in significant reduction in the nocturnal sleep disruption of patients with narcolepsy.
Previous studies indicate that nightly sodium oxybate administration reduces nocturnal sleep disruption in narcolepsy. The present study provided an opportunity to further characterize these sleep-related effects in patients with narcolepsy during treatment with sodium oxybate as monotherapy or in combination with modafinil. ⋯ In addition to its established efficacy for the treatment of cataplexy and EDS, nightly sodium oxybate administration significantly reduces measures of sleep disruption and significantly increases slow-wave sleep in patients with narcolepsy.
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Although recent publications have reported the occurrence of restless legs syndrome (RLS) and periodic limb movement disorder (PLMD) in children and adolescents, the literature is relatively limited. The goals of this retrospective study were to (1) apply the recent International Classification of Sleep Disorders 2nd edition (ICSD-2) diagnostic criteria for RLS and PLMD in pediatric cases where periodic limb movements in sleep (PLMS) 5 per hour were found; (2) review parental history of RLS; and (3) further define the clinical characteristics of RLS and PLMD in a pediatric subgroup where each child had a parent with clinically assessed RLS. ⋯ This case series adds to the growing literature describing RLS and PLMD in children and adolescents using recently revised diagnostic criteria. The similar prevalence of parental RLS in both pediatric RLS and pediatric PLMD cases suggests a close association between PLMD and RLS in some cases. This supports the emerging view that PLMS may be a marker or endophenotype for a specific, common RLS genotype.
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Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS) is associated with glucose dysmetabolism and insulin resistance, therefore the amelioration of breathing disturbances during sleep can allegedly modify the levels of markers of glucose regulation and insulin resistance, such as glycated hemoglobin, fasting glucose, insulin and HOMA(IR). The aim of this study was to explore the association between these parameters and sleep characteristics in non-diabetic OSAHS patients, as well as the effect of 6 months CPAP therapy on these markers, according to adherence to CPAP treatment. ⋯ Nighttime hypoxia can affect fasting insulin levels in non-diabetic OSAHS patients. Good adherence to long-term CPAP treatment can significantly reduce HbA(1C) levels, but has no effect on markers of insulin resistance.