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Hypersomnolence

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https://www.readbyqxmd.com/read/28489457/adverse-events-associated-with-a-large-dose-of-intravenous-lipid-emulsion-for-suspected-local-anesthetic-toxicity
#1
Daniel J Corwin, Alexis Topjian, Brenda L Banwell, Kevin Osterhoudt
BACKGROUND: Intravenous lipid emulsion (ILE) has gained favor as a rescue treatment for cardiovascular collapse due to intravenous local anesthetic overdose, however, goals of ILE therapy are still being defined. We describe a case of a girl given 66 mL/kg of 20% lipid emulsion (ILE) in the treatment of presumed mepivacaine toxicity. CASE REPORT: An 11-year-old girl weighing 55.6 kg developed pallor, rolling back of the eyes, and rhythmic muscle twitching after receiving a mandibular nerve block injection with a 1...
July 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28461581/author-response-comorbidity-between-central-disorders-of-hypersomnolence-and-immune-based-disorders
#2
Yves Dauvilliers, Lucie Barateau
No abstract text is available yet for this article.
May 2, 2017: Neurology
https://www.readbyqxmd.com/read/28461580/letter-re-comorbidity-between-central-disorders-of-hypersomnolence-and-immune-based-disorders
#3
Rosa Peraita-Adrados
No abstract text is available yet for this article.
May 2, 2017: Neurology
https://www.readbyqxmd.com/read/28460563/a-review-of-sleep-disorders-and-melatonin
#4
Zizhen Xie, Fei Chen, William A Li, Xiaokun Geng, Changhong Li, Xiaomei Meng, Yan Feng, Wei Liu, Fengchun Yu
Sleep disorders are a group of conditions that affect the ability to sleep well on a regular basis and cause significant impairments in social and occupational functions. Although currently approved medications are efficacious, they are far from satisfactory. Benzodiazepines, antidepressants, antihistamines and anxiolytics have the potential for dependence and addiction. Moreover, some of these medications can gradually impair cognition. Melatonin (N-acetyl-5-methoxytryptamine) is an endogenous hormone produced by the pineal gland and released exclusively at night...
May 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28448998/efficacy-safety-and-tolerability-of-armodafinil-therapy-for-hypersomnia-associated-with-dementia-with-lewy-bodies-a-pilot-study
#5
Maria I Lapid, Karen M Kuntz, Sara S Mason, Jeremiah A Aakre, Emily S Lundt, Walter Kremers, Laura A Allen, Daniel A Drubach, Bradley F Boeve
BACKGROUND/AIMS: Hypersomnia is common in dementia with Lewy bodies (DLB). We assessed the efficacy, safety, and tolerability of armodafinil for hypersomnia associated with DLB. METHODS: We performed a 12-week pilot trial of armodafinil therapy (125-250 mg orally daily) in DLB outpatients with hypersomnia. The patients underwent neurologic examinations, a neuropsychological battery, laboratory testing, electrocardiography, and polysomnography. Efficacy was assessed at 2, 4, 8, and 12 weeks...
April 28, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28411234/phenotype-of-gaba-transaminase-deficiency
#6
Mary Kay Koenig, Ryan Hodgeman, James J Riviello, Wendy Chung, Jennifer Bain, Claudia A Chiriboga, Kazushi Ichikawa, Hitoshi Osaka, Megumi Tsuji, K Michael Gibson, Penelope E Bonnen, Phillip L Pearl
OBJECTIVE: We report a case series of 10 patients with γ-aminobutyric acid (GABA)-transaminase deficiency including a novel therapeutic trial and an expanded phenotype. METHODS: Case ascertainment, literature review, comprehensive evaluations, and long-term treatment with flumazenil. RESULTS: All patients presented with neonatal or early infantile-onset encephalopathy; other features were hypotonia, hypersomnolence, epilepsy, choreoathetosis, and accelerated linear growth...
April 14, 2017: Neurology
https://www.readbyqxmd.com/read/28366327/underutilization-of-the-mslt-in-sleepy-patients-with-a-short-onset-rem-period-soremp-in-the-sleep-clinic
#7
Alyssa Cairns, Richard Bogan
OBJECTIVE/BACKGROUND: A nocturnal sleep onset REM period (defined as REM onset latency ≤ 15 min; SOREMP) occurs rarely and research has shown that the phenomenon is specific for type 1 and 2 narcolepsy. However, little is known about the meaningfulness of the phenotype in general sleep clinic patients because those that exhibit the phenomenon often present with few traditional narcolepsy symptoms. As such, this study aimed to (1) evaluate the rate of eventual MSLT testing for those with a SOREMP on routine PSG when the phenomenon occurred in the absence of potential explanatory factors and (2) quantify the stability of the SOREMP phenotype...
April 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28345736/-kleine-levin-syndrome-differential-diagnosis-in-recurrent-encephalitic-syndromes-in-adolescence
#8
A Duat-Rodriguez, I Martinez-Albadalejo, I Perez-Sebastian, V Cantarin-Extremera, A Hedrera-Fernandez, J J Garcia-Penas
INTRODUCTION: The Kleine-Levin syndrome is a rare disease of unknown origin characterized by recurrent and self-limited episodes of hypersomnia that are also accompanied by a cognitive and behavioral dysfunction. Patients present normal sleeping and behavior patterns between episodes. CASE REPORTS: We present three patients who are 14 years old: two boys and one girl. They started having the episodes after a predisposing factor (vaccine, influenza B and menstruation)...
April 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28243864/hypersomnolence-hypersomnia-and-mood-disorders
#9
REVIEW
Lucie Barateau, Régis Lopez, Jean Arthur Micoulaud Franchi, Yves Dauvilliers
Relationships between symptoms of hypersomnolence, psychiatric disorders, and hypersomnia disorders (i.e., narcolepsy and idiopathic hypersomnia) are complex and multidirectional. Hypersomnolence is a common complaint across mood disorders; however, patients suffering from mood disorders and hypersomnolence rarely have objective daytime sleepiness, as assessed by the current gold standard test, the Multiple Sleep Latency Test. An iatrogenic origin of symptoms of hypersomnolence, and sleep apnea syndrome must be considered in a population of psychiatric patients, often overweight and treated with sedative drugs...
February 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28229310/diagnosis-and-treatment-of-non-24-h-sleep-wake-disorder-in-the-blind
#10
REVIEW
Jonathan S Emens, Charmane I Eastman
Non-24-h sleep-wake disorder (non-24) is a circadian rhythm disorder occurring in 55-70% of totally blind individuals (those lacking conscious light perception) in which the 24-h biological clock (central, hypothalamic, circadian pacemaker) is no longer synchronized, or entrained, to the 24-h day. Instead, the overt rhythms controlled by the biological clock gradually shift progressively earlier or later (free run) in accordance with the clock's near-24-h period, resulting in a recurrent pattern of daytime hypersomnolence and night-time insomnia...
April 2017: Drugs
https://www.readbyqxmd.com/read/28219726/diagnostic-value-of-sleep-stage-dissociation-as-visualized-on-a-2-dimensional-sleep-state-space-in-human-narcolepsy
#11
Anders Vinther Olsen, Jens Stephansen, Eileen Leary, Paul E Peppard, Hong Sheungshul, Poul Jørgen Jennum, Helge Sorensen, Emmanuel Mignot
BACKGROUND: Type 1 narcolepsy (NT1) is characterized by symptoms believed to represent Rapid Eye Movement (REM) sleep stage dissociations, occurrences where features of wake and REM sleep are intermingled, resulting in a mixed state. We hypothesized that sleep stage dissociations can be objectively detected through the analysis of nocturnal Polysomnography (PSG) data, and that those affecting REM sleep can be used as a diagnostic feature for narcolepsy. NEW METHOD: A Linear Discriminant Analysis (LDA) model using 38 features extracted from EOG, EMG and EEG was used in control subjects to select features differentiating wake, stage N1, N2, N3 and REM sleep...
February 20, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28215254/epidemiology-of-sleep-and-sleep-disorders-in-the-netherlands
#12
Gerard A Kerkhof
OBJECTIVE: There is a surging public interest in The Netherlands concerning sleep, sleep disorders and associated health. For a proper perspective, it is necessary to have reliable information on the prevalence of sleep characteristics at the national level. This study set out to assess prevalence rates and key characteristics of sleep and sleep disorders in The Netherlands. METHODS: In 2012, a nationally representative sample of 2089 individuals, aged 18-70 years, responded to a set of 48 questions, including the Holland Sleep Disorders Questionnaire, a validated questionnaire based on the International Classification of Sleep Disorders...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28159097/hypersomnia-evaluation-treatment-and-social-and-economic-aspects
#13
REVIEW
Prabhjyot Saini, David B Rye
Most central disorders of hypersomnolence are conditions with poorly understood pathophysiologies, making their identification, treatment, and management challenging for sleep clinicians. The most challenging to diagnose and treat is idiopathic hypersomnia. There are no FDA-approved treatments, and off-label usage of narcolepsy treatments seldom provide benefit. Patients are largely left on their own to alleviate the compound effects of this disorder on their quality of life. This review covers the major points regarding clinical features and diagnosis of idiopathic hypersomnia, reviews current evidence supporting the available treatment options, and discusses the psychosocial impact and effects of idiopathic hypersomnia...
March 2017: Sleep Medicine Clinics
https://www.readbyqxmd.com/read/28145043/objective-measures-of-sleep-duration-and-continuity-in-major-depressive-disorder-with-comorbid-hypersomnolence-a-primary-investigation-with-contiguous-systematic-review-and-meta-analysis
#14
David T Plante, Jesse D Cook, Michael R Goldstein
Hypersomnolence plays an important role in the presentation, treatment and course of mood disorders. However, there has been relatively little research that examines objective measures of sleep duration and continuity in patients with depression and hypersomnolence, despite the use of these factors in sleep medicine nosological systems. This study compared total sleep time and efficiency measured by naturalistic actigraphic recordings followed by ad libitum polysomnography (PSG; without prescribed wake time) in 22 patients with major depressive disorder and co-occurring hypersomnolence against age- and sex-matched healthy sleeper controls...
June 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28054298/obesity-hypersomnolence-and-quality-of-sleep-the-impact-of-bariatric-surgery
#15
Thisciane Ferreira Pinto, Pedro Felipe Carvalhedo de Bruin, Veralice Meireles Sales de Bruin, Paulo Marcos Lopes, Francisco Ney Lemos
PURPOSE: Obesity is commonly associated with poor sleep, excessive daytime sleepiness (EDS) and depressive mood but the impact of bariatric surgery on these conditions is incompletely understood. This study aimed to investigate the course of EDS and sleep quality in bariatric surgery patients in relation with changes in body weight and depressive symptoms. METHODS: In patients consecutively submitted to bariatric surgery, baseline and postoperative sleep quality were evaluated by the Pittsburgh Sleep Quality Index (PSQI), excessive daytime sleepiness by the Epworth Sleepiness Scale (ESS), risk for OSA by the Berlin Questionnaire (BQ), and depressive symptoms by the Beck Depression Inventory-Short Form (BDI)...
January 4, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/27986503/sleep-is-an-eye-opener-behavioral-causes-and-consequences-of-hypersomnolence-in-children
#16
REVIEW
Jocelyn H Thomas, Darcy E Burgers
The most common behavioral cause of hypersomnia in children is insufficient sleep. Behavioral causes of insufficient sleep for children, ages six months through 12 years, include inadequate sleep hygiene, bedtime struggles, prolonged sleep onset latency, nighttime fears, and nightmares. Behavioral interventions are efficacious and should be individualized to meet the needs of the child and family. Insufficient sleep affects many areas of child development, including academic, cognitive, and psychosocial, as well as parents and caregivers...
November 22, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27903293/personalized-medicine-approach-confirms-a-milder-case-of-abat-deficiency
#17
A Besse, A K Petersen, J V Hunter, V Appadurai, S R Lalani, P E Bonnen
ABAT deficiency (OMIM 613163) is a rare inborn error of metabolism caused by recessive variants in the gene 4-aminobutyric acid transaminase (ABAT), which is responsible for both the catalysis of GABA and maintenance of nucleoside pools in the mitochondria. To date, only a few patients have been reported worldwide. Their clinical presentation has been remarkably consistent with primary features of severe psychomotor retardation, encephalopathy, hypotonia, and infantile-onset refractory epilepsy. We report a new case of ABAT deficiency that marks an important departure from previous clinical findings...
December 1, 2016: Molecular Brain
https://www.readbyqxmd.com/read/27864522/comorbidity-between-central-disorders-of-hypersomnolence-and-immune-based-disorders
#18
Lucie Barateau, Régis Lopez, Isabelle Arnulf, Michel Lecendreux, Patricia Franco, Xavier Drouot, Smaranda Leu-Semenescu, Isabelle Jaussent, Yves Dauvilliers
OBJECTIVE: To assess and compare the frequencies of personal and family history of autoimmune diseases (AID), autoinflammatory disorders (ID), and allergies in a population of patients, adults and children, with narcolepsy type 1 (NT1), narcolepsy type 2 (NT2), and idiopathic hypersomnia (IH), 3 central hypersomnia disorders, and healthy controls. METHODS: Personal and family history of AID, ID, and allergies were assessed by questionnaire and medical interview in a large cohort of 450 consecutive adult patients (206 NT1, 106 NT2, 138 IH) and 95 pediatric patients (80 NT1) diagnosed according to the third International Classification of Sleep Disorders criteria in national reference centers for narcolepsy in France and 751 controls (700 adults, 51 children) from the general population...
January 3, 2017: Neurology
https://www.readbyqxmd.com/read/27860547/the-discovery-of-suvorexant-the-first-orexin-receptor-drug-for-insomnia
#19
Paul J Coleman, Anthony L Gotter, W Joseph Herring, Christopher J Winrow, John J Renger
Historically, pharmacological therapies have used mechanisms such as γ-aminobutyric acid A (GABAA) receptor potentiation to drive sleep through broad suppression of central nervous system activity. With the discovery of orexin signaling loss as the etiology underlying narcolepsy, a disorder associated with hypersomnolence, orexin antagonism emerged as an alternative approach to attenuate orexin-induced wakefulness more selectively. Dual orexin receptor antagonists (DORAs) block the activity of orexin 1 and 2 receptors to both reduce the threshold to transition into sleep and attenuate orexin-mediated arousal...
January 6, 2017: Annual Review of Pharmacology and Toxicology
https://www.readbyqxmd.com/read/27826760/myotonic-dystrophy-type-1-management-and-therapeutics
#20
REVIEW
Cheryl A Smith, Laurie Gutmann
Myotonic dystrophy (DM1) is the most common form of adult muscular dystrophy. It is a multisystem disorder with a complex pathophysiology. Although inheritance is autosomal dominant, disease variability is attributed to anticipation, a maternal expansion bias, variable penetrance, somatic mosaicism, and a multitude of aberrant pre-mRNA splicing events. Patient presentations range from asymptomatic or mild late onset adult to severe congenital forms. Multiple organ systems may be affected. Patients may experience early cataracts, myotonia, muscle weakness/atrophy, fatigue, excessive daytime sleepiness, central/obstructive apnea, respiratory failure, cardiac arrhythmia, insulin resistance, dysphagia, GI dysmotility, cognitive impairment, Cluster C personality traits, and/or mood disorders...
December 2016: Current Treatment Options in Neurology
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