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Hypersomnolence

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https://www.readbyqxmd.com/read/28243864/hypersomnolence-hypersomnia-and-mood-disorders
#1
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
#2
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...
February 22, 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
#3
Anders Vinther Olsen, Jens Stephansen, Eileen Leary, Paul E Peppard, Hong Sheungshul, Poul Jenum, 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
#4
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
#5
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
#6
REVIEW
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...
February 1, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28054298/obesity-hypersomnolence-and-quality-of-sleep-the-impact-of-bariatric-surgery
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27723544/longitudinal-associations-of-hypersomnolence-and-depression-in-the-wisconsin-sleep-cohort-study
#13
David T Plante, Laurel A Finn, Erika W Hagen, Emmanuel Mignot, Paul E Peppard
BACKGROUND: Hypersomnolence is common in depression, however longitudinal associations of excessive daytime sleepiness (EDS), long habitual sleep duration, and objective sleep propensity with depressive symptomatology are not well established. METHODS: Data from adults participating in the Wisconsin Sleep Cohort Study who had multiple assessments at 4-year intervals were utilized in analyses. Conditional (intrasubject) logistic regression estimated the likelihood of development of depression and three primary hypersomnolence measures: subjective EDS [Epworth Sleepiness Scale (ESS) >10], habitual sleep duration ≥9h/day, and increased physiological sleep propensity [multiple sleep latency test (MSLT) mean sleep latency <8min]...
January 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27692973/waking-up-is-the-hardest-thing-i-do-all-day-sleep-inertia-and-sleep-drunkenness
#14
REVIEW
Lynn M Trotti
The transition from sleep to wake is marked by sleep inertia, a distinct state that is measurably different from wakefulness and manifests as performance impairments and sleepiness. Although the precise substrate of sleep inertia is unknown, electroencephalographic, evoked potential, and neuroimaging studies suggest the persistence of some features of sleep beyond the point of awakening. Forced desynchrony studies have demonstrated that sleep inertia impacts cognition differently than do homeostatic and circadian drives and that sleep inertia is most intense during awakenings from the biological night...
September 4, 2016: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/27647964/artery-of-percheron-infarction
#15
K V Vinod, R Kaaviya, Bhaumik Arpita
Artery of Percheron (AOP) occlusion is a rare cause of ischemic stroke characterized by bilateral paramedian thalamic infarcts, with or without mesencephalic infarction. Clinically it presents with mental state disturbances, hypersomnolence, aphasia/dysarthria, amnesia and ocular movement disorders, including vertical gaze palsy. Here, we report a case of cardioembolic AOP infarction in a 37-year-old woman with rheumatic mitral valvular stenosis. This case is being reported to highlight the interesting clinical and neuroimaging features of this rare condition, and the differential diagnosis of AOP infarction on imaging have been discussed...
July 2016: Annals of Neurosciences
https://www.readbyqxmd.com/read/27596361/hypersomnolence-hyperkinetic-movement-disorder-in-a-child-with-compound-heterozygous-mutation-in-4-aminobutyrate-aminotransferase-abat-gene
#16
Madhu Nagappa, Parayil Sankaran Bindu, Shwetha Chiplunkar, Periasamy Govindaraj, Gayathri Narayanappa, Ayyappan Krishnan, M M Srinivas Bharath, Aarthi Swaminathan, Jitender Saini, Hanumanthapura R Arvinda, Sanjib Sinha, Pavagada S Mathuranath, Arun B Taly
Deficiency of gamma-amino-butyrate aminotransferase (ABAT) is a rare inherited disorder. A six-month-old girl presented with hyper-somnolence, hyperkinetic movements of distal extremities during wakefulness, hypotonia, bi-pyramidal signs, and impaired response to sound and visual stimuli. Brain MRI at five months showed restricted diffusion along the internal capsule and genu of corpus callosum. A follow up MRI at 18months, showed hyperintensities in brainstem, external and internal capsule, 'trilaminated' appearance of posterior limb of internal capsule and dysmyelination of sub-cortical white matter...
February 2017: Brain & Development
https://www.readbyqxmd.com/read/27568889/flumazenil-for-the-treatment-of-refractory-hypersomnolence-clinical-experience-with-153-patients
#17
Lynn Marie Trotti, Prabhjyot Saini, Catherine Koola, Vincent LaBarbera, Donald L Bliwise, David B Rye
STUDY OBJECTIVES: Patients with central disorders of hypersomnolence sometimes do not achieve satisfactory symptom control with currently available wake-promoting medications. Based on the finding that the cerebrospinal fluid from some patients with hypersomnolence demonstrates potentiation of gamma-aminobutyric acid (GABA)-A receptors in excess of that of controls, a finding that reverses with flumazenil, we initiated prescribing compounded flumazenil to carefully selected, treatment-refractory hypersomnolent patients...
October 15, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27567530/obstructive-sleep-apnea-daytime-hypersomnolence-and-cognitive-decline-a-scary-waterfall
#18
Frédéric Roche
No abstract text is available yet for this article.
July 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27549768/management-of-narcolepsy
#19
REVIEW
Lucie Barateau, Régis Lopez, Yves Dauvilliers
Narcolepsy type 1 (NT1) and type 2 (NT2) are two rare neurological diseases, classified as central disorders of hypersomnolence. The pathophysiology of NT1 is well known; it is caused by the selective destruction of hypocretin (Hcrt) neurons, by a highly suspected autoimmune process. On the contrary, little is known about NT2 etiology, sharing with NT1 somnolence and signs of dysregulation of rapid eye movement (REM) sleep, but not cataplexy. Management strategies are rather codified, at least in adults, with a lifelong treatment required in NT1, whereas no pharmacological study focused only on NT2 patients, with sometimes spontaneous improvement or disappearance of their symptoms...
October 2016: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/27542882/disorders-of-excessive-daytime-sleepiness-including-narcolepsy-and-idiopathic-hypersomnia
#20
REVIEW
Joseph Andrew Berkowski, Anita Valanju Shelgikar
Central disorders of hypersomnolence are rare conditions with a poorly understood pathophysiology, making the identification and management challenging for sleep clinicians. Clinical history is essential for ruling out secondary causes of hypersomnolence and distinguishing among diagnoses. Current diagnostic criteria rely heavily on the polysomnogram and multiple sleep latency test. The current focus of treatment of hypersomnolence is on drugs that promote alertness. Additionally, in the case of narcolepsy type 1, medication management addresses control of cataplexy, the hallmark symptom of this disorder...
September 2016: Sleep Medicine Clinics
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