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https://www.readbyqxmd.com/read/29679838/medico-legal-investigation-in-an-explicable-case-of-congenital-central-hypoventilation-syndrome-due-to-a-rare-variant-of-the-phox2b-gene
#1
Francesco Ventura, Rosario Barranco, Tiziana Bachetti, Paolo Nozza, Ezio Fulcheri, Antonella Palmieri, Isabella Ceccherini
The heterozygous PHOX2B gene mutation is related to congenital central hypoventilation syndrome (CCHS). It is characterized by defective autonomous nervous system development leading to inadequate breathing response to hypoxia and hypercapnia, leading to hypoventilation especially during non-REM sleep, but also during waking in the more severe cases. Herein we report a case of sudden death in a 28-day-old child. The mother reported the infant was found lying on her own bed in the prone position. The infant was wearing a romper and lying in her crib without any blanket or other objects...
April 17, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29679174/sleep-abnormalities-in-multiplesystem-atrophy
#2
REVIEW
Valérie Cochen De Cock
PURPOSE OF REVIEW: The purpose of this review was to explore the different sleep disorders associated with MSA, their mechanisms, and their treatments. RECENT FINDINGS: Stridor is a red flag for the diagnosis of MSA. Recent findings show that its presence in early stage of the disease is associated with a reduction in life expectancy. Its management should be fast and adapted. Its treatment with continuous positive airway pressure or tracheostomy is efficacious...
April 20, 2018: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/29677382/resident-to-resident-mistreatment-evaluation-of-a-staff-training-program-in-the-reduction-of-falls-and-injuries
#3
Jeanne A Teresi, Mildred Ramírez, Terry Fulmer, Julie Ellis, Stephanie Silver, Jian Kong, Joseph P Eimicke, Gabriel Boratgis, Rhoda Meador, Mark S Lachs, Karl Pillemer
Resident-to-resident elder mistreatment (R-REM) occurs frequently in long-term services and support settings. The purpose of the current study was to evaluate the effect of a R-REM training program for nursing and other frontline staff on resident falls and injuries in a cluster randomized trial of units within four nursing homes. Interview and observational data from a sample of 1,201 residents (n = 600 and n = 601 in the usual care and intervention groups, respectively) and staff were collected at baseline and 6 and 12 months...
April 19, 2018: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/29675716/disturbances-of-sleep-and-alertness-in-parkinson-s-disease
#4
REVIEW
Aleksandar Videnovic
PURPOSE OF REVIEW: Parkinson's disease (PD) is the second most common neurodegenerative disorder. Sleep dysfunction is one of the most common non-motor manifestations of PD that has gained significant interest over the past two decades due to its impact on the daily lives of PD patients, poorly understood mechanisms, and limited treatment options. In this review, we discuss the most common sleep disorders in PD and present recent investigations that have broadened our understanding of the epidemiology, clinical manifestations, diagnosis, and treatment of disturbed sleep and alertness in PD...
April 19, 2018: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/29675276/effect-of-olanzapine-on-clinical-and-polysomnography-profiles-in-patients-with-schizophrenia
#5
Mohammad Zia Ul Haq Katshu, Sukanto Sarkar, S Haque Nizamie
Acute and short-term administration of olanzapine has a favorable effect on sleep in schizophrenia patients. This study aimed to clarify the effect of olanzapine on polysomnographic profiles of schizophrenia patients during the acute phase of illness after controlling for previous drug exposure. Twenty-five drug-naïve or drug-free schizophrenia patients were assessed at baseline and after six weeks of olanzapine treatment on Brief Psychiatric Rating Scale (BPRS), Positive and Negative Syndrome Scale (PANSS), and Udvalg for Kliniske Undersogelser (UKU) side-effect rating scale and a whole-night polysomnography; fifteen patients completed the study...
2018: Schizophrenia Research and Treatment
https://www.readbyqxmd.com/read/29671235/evaluation-of-neurotransmitter-alterations-in-four-distinct-brain-regions-after-rapid-eye-movement-sleep-deprivation-remsd-induced-mania-like-behaviour-in-swiss-albino-mice
#6
Saiful Alom Siddique, Thangavel Tamilselvan, Manikkannan Vishnupriya, Elumalai Balamurugan
A number of neurotransmitter systems have been implicated in contributing to the pathology of mood disorders, including those of dopamine (DA), serotonin (5-HT), norepinephrine (NE) and γ-aminobutyric acid (GABA). Rapid eye movement sleep deprivation (REMSD) alters most of the neurotransmitters, which may have adverse behavioural changes and other health consequences like mania and other psychiatric disorders. The exact role of REMSD altered neurotransmitter levels and the manner in which emerging consequences lead to mania-like behaviour is poorly understood...
April 18, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29669910/the-clinical-relevance-of-cognitive-impairment-in-rem-sleep-behavior-disorder
#7
EDITORIAL
Dario Arnaldi, Flavio Nobili
No abstract text is available yet for this article.
April 18, 2018: Neurology
https://www.readbyqxmd.com/read/29669906/cortical-and-subcortical-gray-matter-bases-of-cognitive-deficits-in-rem-sleep-behavior-disorder
#8
Shady Rahayel, Ronald B Postuma, Jacques Montplaisir, Daphné Génier Marchand, Frédérique Escudier, Malo Gaubert, Pierre-Alexandre Bourgouin, Julie Carrier, Oury Monchi, Sven Joubert, Frédéric Blanc, Jean-François Gagnon
OBJECTIVE: To investigate cortical and subcortical gray matter abnormalities underlying cognitive impairment in patients with REM sleep behavior disorder (RBD) with or without mild cognitive impairment (MCI). METHODS: Fifty-two patients with RBD, including 17 patients with MCI, were recruited and compared to 41 controls. All participants underwent extensive clinical assessments, neuropsychological examination, and 3-tesla MRI acquisition of T1 anatomical images...
April 18, 2018: Neurology
https://www.readbyqxmd.com/read/29667182/breathing-regulation-and-blood-gas-homeostasis-after-near-complete-lesions-of-the-retrotrapezoid-nucleus-in-adult-rats
#9
George M P R Souza, Roy Kanbar, Daniel S Stornetta, Stephen B G Abbott, Ruth L Stornetta, Patrice G Guyenet
The retrotrapezoid nucleus (RTN) is one of several CNS nuclei that contribute, in various capacities (e.g. CO2 detection, neuronal modulation) to the central respiratory chemoreflex (CRC). Here we test how important the RTN is to PCO2 homeostasis and breathing during sleep or wake. RTN Nmb positive neurons were killed with targeted microinjections of substance-P-saporin conjugate in adult rats. Under normoxia, rats with large RTN lesions (92 ± 4 % cell loss) had normal blood pressure (BP) and arterial pH but were hypoxic (-8 mmHg PaO2 ) and hypercapnic (+10 mmHg PaCO2 )...
April 18, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29665124/how-does-dementia-with-lewy-bodies-start-prodromal-cognitive-changes-in-rem-sleep-behavior-disorder
#10
Daphné Génier Marchand, Ronald B Postuma, Frédérique Escudier, Jessie De Roy, Amélie Pelletier, Jacques Montplaisir, Jean-François Gagnon
Objective We describe the progression of cognitive decline and identify the predictive values of cognitive tests in three groups of REM sleep behavior disorder (RBD) patients classified at their last follow-up as having Parkinson's disease (PD), dementia with Lewy bodies (DLB), or still-idiopathic. Methods Patients (n=109) underwent polysomnographic, neurological, and neuropsychological assessments. We used linear mixed-model analyses to compare the progression of cognitive test performance between the three groups over a three-year prodromal period, and performed linear regressions for a six-year prodromal period...
April 17, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29664048/effect-of-rapid-eye-movement-sleep-behavior-disorder-on-obstructive-sleep-apnea-severity-and-cognition-of-parkinson-s-disease-patients
#11
Jun-Ying Huang, Jin-Ru Zhang, Yun Shen, Hui-Jun Zhang, Yu-Lan Cao, Cheng-Jie Mao, Ya-Ping Yang, Jing Chen, Chun-Feng Liu, Jie Li
Background: Rapid eye movement (REM) sleep behavior disorder (RBD) and obstructive sleep apnea (OSA) are the most common sleep disorders in Parkinson's disease (PD). The aim of this study was to identify whether RBD could alleviate OSA severity in PD patients and its effect on cognitive impairment. Methods: From February 2014 to May 2017, we recruited 174 PD patients from the Second Affiliated Hospital of Soochow University, all of whom underwent polysomnography (PSG)...
April 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29660578/implementing-the-risk-of-endometrial-malignancy-algorithm-rem-adding-obesity-as-a-predictive-factor-results-of-rem-b-in-a-single-center-survey
#12
Francesco Plotti, Stella Capriglione, Giuseppe Scaletta, Daniela Luvero, Salvatore Lopez, Francesca Fiori Nastro, Corrado Terranova, Carlo De Cicco Nardone, Roberto Montera, Roberto Angioli
OBJECTIVE: In 2013, our group assessed a risk stratification tool of endometrial cancer (EC), called REM (Risk of Endometrial Malignancy). A well known risk factor for EC is body mass index (BMI). In fact, (BMI > 30 and <35 kg/m2) and severe obesity (BMI > 35 kg/m2) were associated with a 2.6-fold and a 4.7-fold increase in EC risk, respectively. Therefore, in the present study we aim to improve the performance of REM, including BMI and developing a new scoring system, called REM-B (Risk of Endometrial Malignancy score associated to BMI), to classify patients into high risk or low risk groups for EC...
April 7, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29660400/hippocampal-coupling-with-cortical-and-subcortical-structures-in-the-context-of-memory-consolidation
#13
Ivan Skelin, Scott Kilianski, Bruce L McNaughton
Memory consolidation is a gradual process through which episodic memories become incorporated into long-term 'semantic' representations. It likely involves reactivation of neural activity encoding the recent experience during non-REM sleep. A critical prerequisite for memory consolidation is precise coordination of reactivation events between the hippocampus and cortical/subcortical structures, facilitated by the coupling of local field potential (LFP) oscillations (slow oscillations, sleep spindles and sharp wave/ripples) between these structures...
April 13, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29655763/sleeping-oxygen-saturation-rapid-eye-movement-sleep-and-the-adaptation-of-postprandial-metabolic-function-in-insulin-sensitive-and-resistant-individuals-without-diabetes
#14
Karin A Garcia, William K Wohlgemuth, Ele Ferrannini, Andrea Mari, Alex Gonzalez, Armando J Mendez, Roberto Bizzotto, Jay S Skyler, Neil Schneiderman, Barry E Hurwitz
AIMS: Sleeping oxygen saturation (SaO2 ) and sleep stage duration have been linked with prediabetic alterations but the pathogenic pathways are not well understood. This study of insulin sensitive and resistant adults examined the effect on postprandial metabolic regulation of repeated mixed-meal challenges of different carbohydrate loading. The aim was to examine whether the relationship between lower sleeping oxygen saturation (SaO2 ) and poorer fasting and postprandial metabolic function may be linked with reduced slow wave sleep (SWS) and rapid eye movement (REM) duration, independent of age, sex and total adiposity...
April 12, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29652904/first-night-effect-on-sleep-time-in-dairy-cows
#15
Emma Ternman, Matti Pastell, Laura Hänninen, Sigrid Agenäs, Per P Nielsen
In human sleep studies, the probability of discomfort from the electrodes and the change in environment usually results in first-night recordings being discarded. Sleep recordings from the first night in human subjects often differ in amount of REM (rapid eye movement) sleep and the overall sleep architecture. This study investigated whether recordings of sleep states in dairy cows also show a first-night effect. Non-invasive electrophysiological recordings were carried out on nine cows of the Swedish Red breed during three consecutive 24-hour periods (recording days 1-3)...
2018: PloS One
https://www.readbyqxmd.com/read/29651015/author-correction-rem-sleep-respiratory-behaviours-match-mental-content-in-narcoleptic-lucid-dreamers
#16
Delphine Oudiette, Pauline Dodet, Nahema Ledard, Emilie Artru, Inès Rachidi, Thomas Similowski, Isabelle Arnulf
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
April 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29644271/venlafaxine-induced-rem-sleep-behavioral-disorder-presenting-as-two-fractures
#17
R Ryan Williams, Gustavo Sandigo
Rapid eye movement (REM) sleep behavioral disorder is characterized by the absence of muscular atonia during REM sleep. In this disorder, patients can violently act out their dreams, placing them at risk for traumatic fractures during these episodes. REM sleep behavioral disorder (RBD) can be a sign of future neurodegenerative disease and has also been found to be a side effect of certain psychiatric medications. We present a case of venlafaxine-induced RBD in a 55 year old female who presented with a 13 year history of intermittent parasomnia and dream enactment in addition to a recent history of two fractures requiring intervention...
October 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29643442/author-correction-eeg-transients-in-the-sigma-range-during-non-rem-sleep-predict-learning-in-dogs
#18
Ivaylo Borislavov Iotchev, Anna Kis, Róbert Bódizs, Gilles van Luijtelaar, Enikő Kubinyi
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
April 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29628334/consolidative-mechanisms-of-emotional-processing-in-rem-sleep-and-ptsd
#19
REVIEW
Anthony L A Murkar, Joseph De Koninck
Research suggests sleep plays a role in the consolidation of recently acquired memories for long-term storage. rapid eye movement (REM) sleep has been shown to play a complex role in emotional-memory processing, and may be involved in subsequent waking-day emotional reactivity and amygdala responsivity. Interaction of the hippocampus and basolateral amygdala with the medial-prefrontal cortex is associated with sleep-dependent learning and emotional memory processing. REM is also implicated in post-traumatic stress disorder (PTSD), which is characterized by sleep disturbance, heightened reactivity to fearful stimuli, and nightmares...
March 15, 2018: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29625116/neuropeptide-y-npy-or-cocaine-and-amphetamine-regulated-transcript-cart-fiber-innervation-on-central-and-medial-amygdaloid-neurons-that-project-to-the-locus-coeruleus-and-dorsal-raphe-in-the-rat
#20
Young G Hwang, Hyun S Lee
The amygdaloid nuclear complex has been linked to the regulation of emotional behavior and energy regulation in that emotional stress might cause either reduction or enhancement of eating. We examined hypothalamic neuronal origin of feeding/arousal-related peptidergic fibers containing cocaine- and amphetamine-regulated transcript (CART) and neuropeptide Y (NPY) located in the rat amygdala along with its efferent projections to the brainstem monoaminergic nuclei. First, central (CeA) as well as medial (MeA) amygdala, among several amygdaloid subdivisions, exhibited the most prominent NPY or CART immunostaining which consisted of a substantial number of somata as well as labeled fibers...
April 3, 2018: Brain Research
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