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Rapid eye movement behavior disorder

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https://www.readbyqxmd.com/read/29162053/duloxetine-induced-rapid-eye-movement-sleep-behavior-disorder-a-case-report
#1
Lu Tan, Junying Zhou, Linghui Yang, Rong Ren, Ye Zhang, Taomei Li, Xiangdong Tang
BACKGROUND: Tricyclic antidepressants and selective serotonin reuptake inhibitors have been reported to induce the symptoms of rapid eye movement (REM) sleep behavior disorder (RBD) or to exacerbate REM sleep without atonia. With this case report, we found an association between typical RBD and duloxetine, a serotonin-noradrenaline reuptake inhibitor. CASE PRESENTATION: We present a case of a 62-year-old woman who experienced enactment behaviors with violent dreams that were associated with increased tonic or phasic chin electromyography activity during REM sleep after treated with duloxetine...
November 21, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29154293/the-changing-landscape-of-parkinson-epidemiologic-research
#2
Honglei Chen
Despite recent successes in understanding the genetics of Parkinson's disease (PD), the causes of late-onset sporadic PD remain elusive. Many of the epidemiologic findings on PD etiology have been challenged by alternative explanations such as reverse causation. This is mainly because PD often takes decades to develop before it can be diagnosed late in life. Convincing evidence shows that this prodromal stage of PD is characterized by various prodromal symptoms such as olfactory impairment and rapid-eye-movement sleep behavior disorder (RBD)...
November 14, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/29145189/rem-sleep-behavior-disorder
#3
Claudio L Bassetti, Panagiotis Bargiotas
Rapid eye movement sleep behavior disorder (RBD) is a brain disorder, characterized by the dream enactment during rapid eye movement (REM) sleep due to a lack of physiologic muscle atonia and increased muscle twitching. Schenk was the first to describe this disorder in 1986; however, few authors reported in the 1970-1980s loss of physiological muscle atonia combined with dream enactment in the course of brainstem disorders and as a consequence of alcoholism and antidepressant treatment. RBD affects less than 1% of the adult population, but can be found in up to 25-50% of neurodegenerative disorders including Parkinson's disease, multisystem atrophy, and dementia with Lewy body...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29121095/the-pedunculopontine-tegmentum-controls-renal-sympathetic-nerve-activity-and-cardiorespiratory-activities-in-nembutal-anesthetized-rats
#4
Anne M Fink, Caron Dean, Mariann R Piano, David W Carley
Elevated renal sympathetic nerve activity (RSNA) accompanies a variety of complex disorders, including obstructive sleep apnea, heart failure, and chronic kidney disease. Understanding pathophysiologic renal mechanisms is important for determining why hypertension is both a common sequelae and a predisposing factor of these disorders. The role of the brainstem in regulating RSNA remains incompletely understood. The pedunculopontine tegmentum (PPT) is known for regulating behaviors including alertness, locomotion, and rapid eye movement sleep...
2017: PloS One
https://www.readbyqxmd.com/read/29111021/differences-in-clinical-characteristics-when-rem-sleep-behavior-disorder-precedes-or-comes-after-the-onset-of-parkinson-s-disease
#5
Takashi Nomura, Masafumi Kishi, Kenji Nakashima
OBJECTIVE: Rapid eye movement (REM) sleep behavior disorder (RBD) is important not only as a preclinical symptom of Parkinson's disease (PD), but also as an aggravating symptom of PD. However, it is not known whether the onset of RBD in relation to PD affects the clinical characteristics of PD. A cross-sectional study comparing clinical characteristics of PD between patients with RBD occurring before and after the onset of PD was conducted. METHODS: Interviews regarding RBD symptoms were conducted and polysomnography was performed on 136 patients with PD...
November 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29101940/rem-sleep-behavior-disorder-diagnosis-clinical-implications-and-future-directions
#6
REVIEW
Erik K St Louis, Bradley F Boeve
Rapid eye movement sleep behavior disorder (RBD) is diagnosed by a clinical history of dream enactment accompanied by polysomnographic rapid eye movement sleep atonia loss (rapid eye movement sleep without atonia). Rapid eye movement sleep behavior disorder is strongly associated with neurodegenerative disease, especially synucleinopathies such as Parkinson disease, dementia with Lewy bodies, and multiple system atrophy. A history of RBD may begin several years to decades before onset of any clear daytime symptoms of motor, cognitive, or autonomic impairments, suggesting that RBD is the presenting manifestation of a neurodegenerative process...
November 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29095328/c9orf72-intermediate-repeat-expansion-in-a-patient-with-psychiatric-disorders-and-progressive-cerebellar-ataxia
#7
Mario Meloni, Rita Farris, Paolo Solla, Marcello M Mascia, Francesco Marrosu, Antonino Cannas
INTRODUCTION: Large expansions of the noncoding GGGGCC repeat (more than 30) in the first intron of the C9ORF72 gene have been demonstrated to cause amyotrophic lateral sclerosis and frontotemporal dementia. Recent papers have investigated the possible pathogenic role and associated clinical phenotypes of hexanucleotide expansions with intermediate repeat lengths ranging between 20 and 29 repeats. CASE REPORT: We report a case of a 71-year-old Sardinian female patient with a long history of psychiatric disorders such as mixed anxiety-depressive disorder associated with somatization disorder and histrionic personality who developed a slowly progressive cerebellar syndrome, mild cognitive impairment, pyramidal signs, and rapid eye movement sleep behavior disorder with imaging abnormalities on the DaTSCAN single-photon emission computed tomography indicating an alteration in the presynaptic dopaminergic system...
November 2017: Neurologist
https://www.readbyqxmd.com/read/29081090/sinomenine-an-alkaloid-derived-from-sinomenium-acutum-potentiates-pentobarbital-induced-sleep-behaviors-and-non-rapid-eye-movement-nrem-sleep-in-rodents
#8
Jae Hyeon Yoo, Tae-Woo Ha, Jin Tae Hong, Ki-Wan Oh
Sinomenium acutum has been long used in the preparations of traditional medicine in Japan, China and Korea for the treatment of various disorders including rheumatism, fever, pulmonary diseases and mood disorders. Recently, it was reported that Sinomenium acutum, has sedative and anxiolytic effects mediated by GABA-ergic systems. These experiments were performed to investigate whether sinomenine (SIN), an alkaloid derived from Sinomenium acutum enhances pentobarbital-induced sleep via γ-aminobutyric acid (GABA)-ergic systems, and modulates sleep architecture in mice...
November 1, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29072553/prospective-memory-impairment-in-idiopathic-rem-sleep-behavior-disorder
#9
Ondrej Bezdicek, Tomáš Nikolai, Jiří Nepožitek, Pavla Peřinová, David Kemlink, Pavel Dušek, Iva Příhodová, Simona Dostálová, Veronika Ibarburu, Jiří Trnka, Karel Kupka, Zuzana Mecková, Jiří Keller, Josef Vymazal, Evžen Růžička, Karel Šonka, Petr Dušek
OBJECTIVE: The aim of the present study was to investigate if prospective memory (PM) is impaired in idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD). RBD is a parasomnia characterized by dream enactment and by REM sleep without muscle atonia. iRBD is considered as the initial stage of neurodegeneration with pathological storage of alpha-synuclein. METHOD: Sixty iRBD patients with polysomnography-confirmed RBD without parkinsonism and dementia and 30 demographically matched normal controls (NC) were enrolled in the present study...
October 26, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29062339/an-under-diagnosed-geriatric-syndrome-sleep-disorders-among-older-adults
#10
Asli Tufan, Birkan Ilhan, Gulistan Bahat, Mehmet Akif Karan
INTRODUCTION: Sleep disorders are commonly under-diagnosed in the geriatric population. We aimed to determine the prevalence of sleep problems among older adults admitted to the geriatrics out-patient clinic. METHODS: Two hundred and three patients (136 female) older than 75 years of age were included in the study. Patients underwent comprehensive geriatric assessment, including identification of sleep problems using the Sleep Disturbance Scale, Rapid eye movement (REM) sleep behavior disorder (RBD) Single-Question Screen questionnaire (RBD1Q) and The Johns Hopkins Restless Leg Syndrome Severity Scale...
June 2017: African Health Sciences
https://www.readbyqxmd.com/read/29053115/-syndrome-of-rapid-eye-movement-sleep-behavior-disorder-and-nocturia-in-parkinson-s-disease
#11
M R Nodel, Yu V Ukraintseva, N N Yakhno
AIM: Parasomnia, a syndrome of rapid eye movement sleep behavior disorder (RBD), is a common non-motor impairment in patients with Parkinson's disease (PD). The relationship between RBD with other symptoms of PD affecting night sleep, in particular, nocturia, is understudied. An aim of the study was to determine the symptoms related to night sleep disturbances in PD patients with RBD and assess the dynamics of these disturbances with the disease progression taking into account RBD onset...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29031761/reduced-p300-amplitude-during-a-visuospatial-attention-task-in-idiopathic-rapid-eye-movement-sleep-behavior-disorder
#12
Jung-Ick Byun, Byeong Uk Lee, Minah Kim, Jun-Sang Sunwoo, Jung-Ah Lim, Jangsup Moon, Soon-Tae Lee, Keun-Hwa Jung, Kon Chu, Man-Ho Kim, Min Hee Jeong, Kwang Su Cha, Jeong Woo Choi, Kyung Hwan Kim, Sang Kun Lee, Ki-Young Jung
OBJECTIVES: Idiopathic rapid eye movement sleep behavior disorder (IRBD) patients are prone to cognitive deficits, which include attention, executive, and visuospatial dysfunctions. Even patients with normal cognition may exhibit subclinical electrophysiological dysfunction. This study aimed to evaluate visuospatial attention processing in IRBD patients with normal cognition and to compare their findings with those of age- and sex-matched healthy controls. METHODS: We recorded event-related potentials (ERPs) and performance measures during a variant of the Posner task in 14 IRBD patients and 14 control subjects...
October 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29029239/what-does-the-sleeping-brain-say-syntax-and-semantics-of-sleep-talking-in-healthy-subjects-and-in-parasomnia-patients
#13
Isabelle Arnulf, Ginevra Uguccioni, Frederick Gay, Etienne Baldayrou, Jean-Louis Golmard, Frederique Gayraud, Alain Devevey
Objectives: Speech is a complex function in humans, but the linguistic characteristics of sleep talking are unknown. We analyzed sleep-associated speech in adults, mostly (92%) during parasomnias. Methods: The utterances recorded during night-time video-polysomnography were analyzed for number of words, propositions and speech episodes, frequency, gaps and pauses (denoting turn-taking in the conversation), lemmatization, verbosity, negative/imperative/interrogative tone, first/second person, politeness, and abuse...
November 1, 2017: Sleep
https://www.readbyqxmd.com/read/28991652/sleep-in-the-elderly-unanswered-questions
#14
REVIEW
Steven H Feinsilver, Adam B Hernandez
Sleep normally changes with aging, with implications for healthy elderly individuals as well as for those with disease states. Less slow wave sleep (deep sleep) is expected, along with more awakenings, and a tendency toward earlier sleep times. Rapid eye movement sleep behavior disorder is seen primarily in elderly individuals, and it often represents the earliest sign of a chronic and progressive neurologic disease. Complaints of difficulty initiating and maintaining sleep (insomnia) become more common with aging...
November 2017: Clinics in Geriatric Medicine
https://www.readbyqxmd.com/read/28958075/magnetic-resonance-imaging-biomarkers-to-assess-substantia-nigra-damage-in-idiopathic-rapid-eye-movement-sleep-behavior-disorder
#15
Nadya Pyatigorskaya, Rahul Gaurav, Dario Arnaldi, Smaranda Leu-Semenescu, Lydia Yahia-Cherif, Romain Valabregue, Marie Vidailhet, Isabelle Arnulf, Stephane Lehéricy
Objectives: Idiopathic rapid eye movement sleep behavior disorder (iRBD) is considered to be a prodromal stage of Parkinson's disease (PD). At PD onset, 40 to 70% of the dopaminergic neurons in the substantia nigra (SN) are already lost. Thus, milder SN damage is expected in participants with iRBD. We aimed to quantify SN damage in participants with iRBD using multimodal magnetic resonance imaging (MRI) and to determine biomarker efficacy in preclinical Parkinsonism. Methods: Nineteen participants with iRBD and 18 controls underwent 3-Tesla MRI, including diffusion tensor imaging, neuromelanin (NM)-sensitive imaging, and T2* mapping...
November 1, 2017: Sleep
https://www.readbyqxmd.com/read/28928050/predictors-of-onset-of-psychosis-in-patients-with-parkinson-s-disease-who-gets-it-early
#16
Abhishek Lenka, Lija George, Shyam Sundar Arumugham, Shantala Hegde, Venkateswara Reddy, Nitish Kamble, Ravi Yadav, Pramod Kumar Pal
INTRODUCTION: Psychosis is one of the common non-motor symptoms of PD, which substantially worsens the quality of life. Hence, it is important to identify factors that are associated with early onset of psychosis in PD. In order to identify those factors, the current study aims to compare various demographic and clinical features of PD patients with early and late onset psychosis. METHODOLOGY: In this prospective case-control study, 51 consecutive patients with PD having psychosis (PDP) were recruited...
September 14, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28892547/non-rapid-eye-movement-arousal-parasomnias-in-children
#17
Vijayabharathi Ekambaram, Kiran Maski
Parasomnia is a common pediatric sleep disorder that can cause parents or caregivers distress when experienced by their children. Based on the International Classification of Sleep Disorders, parasomnias can be divided into two subgroups: non-rapid eye movement (NREM) parasomnias and rapid eye movement (REM) parasomnias. REM sleep parasomnias include nightmares, REM behavior disorder, and sleep paralysis, whereas NREM sleep parasomnias include disorders of arousal such as confusional arousals, sleepwalking, sleep talking, night terrors, and sleep-related eating disorder...
September 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28890381/the-link-between-parkinson-s-disease-and-rapid-eye-movement-sleep-behavior-disorder-with-dream-enactment-possible-implications-for-early-rehabilitation
#18
Brian P Johnson, Kelly P Westlake
The purpose of this paper is twofold. First, to inform readers of the link between the loss of motor inhibition during rapid eye movement (REM) sleep dreaming, diagnosed as REM sleep behavior disorder (RBD), and the future onset of neurodegenerative disorders, such as Parkinson's Disease and dementia with lewy bodies. It has been reported that motor disinhibition during rapid eye movement sleep often precedes onset of these disorders by years or even decades. Second, to consider that identification of RBD and the early involvement of rehabilitation and/or development of home exercise plans may aid in prolonging and even increasing function, independence, and quality of life should such neurodegenerative disorders develop later in life...
September 7, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28882322/who-can-diagnose-parkinson-s-disease-first-role-of-pre-motor-symptoms
#19
REVIEW
Mayela Rodríguez-Violante, Rosalía Zerón-Martínez, Amin Cervantes-Arriaga, Teresa Corona
In 1817, James Parkinson described the disease which bears his name. The disease was defined as a neurological syndrome characterized by tremor, rigidity, and slowness of movements. Almost one hundred years later, degeneration of neurons in the substantia nigra and low levels of dopamine were identified as the putative cause of the disease, thus the disease remained as a pure neurological disorder. In the late 1990s, non-motor symptoms of the disease began to gain interest because of their clinical relevance, as well as for their potential role in broadening the understanding of the pathophysiological mechanisms involved...
April 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28874450/hypothalamic-tuberomammillary-nucleus-neurons-electrophysiological-diversity-and-essential-role-in-arousal-stability
#20
Akie Fujita, Patricia Bonnavion, Miryam H Wilson, Laura E Mickelsen, Julien Bloit, Luis de Lecea, Alexander C Jackson
Histaminergic (HA) neurons, found in the posterior hypothalamic tuberomammillary nucleus (TMN), extend fibers throughout the brain and exert modulatory influence over numerous physiological systems. Multiple lines of evidence suggest that the activity of HA neurons is important in the regulation of vigilance despite the lack of direct, causal evidence demonstrating its requirement for the maintenance of arousal during wakefulness. Given the strong correlation between HA neuron excitability and behavioral arousal, we investigated both the electrophysiological diversity of HA neurons in brain slices and the effect of their acute silencing in vivo in male mice...
September 27, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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