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https://www.readbyqxmd.com/read/29145189/rem-sleep-behavior-disorder
#1
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/29111021/differences-in-clinical-characteristics-when-rem-sleep-behavior-disorder-precedes-or-comes-after-the-onset-of-parkinson-s-disease
#2
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/29102236/rem-sleep-behavior-disorder-portends-poor-prognosis-in-parkinson-s-disease-a-systematic-review
#3
REVIEW
Yoon Kim, Young Eun Kim, Eun Ok Park, Chae Won Shin, Han-Joon Kim, Beomseok Jeon
REM sleep behavior disorder (RBD) is a parasomnia wherein a loss of REM sleep atonia manifests as dream-enactment, often violent. Aside from its significance as a predictor of PD, RBD in PD may imply more than merely screaming at night and experiencing sleep fragmentation. To probe its significance as a prognostic factor in PD, we performed a systematic literature review. Analysis of prospective studies reveals baseline RBD confers a higher risk of developing dementia and hallucinations. In cross-sectional studies, RBD is associated with the non-tremor predominant motor phenotype and autonomic dysfunction...
October 25, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29101940/rem-sleep-behavior-disorder-diagnosis-clinical-implications-and-future-directions
#4
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/29084403/high-frequency-of-sleep-disorders-in-parkinson-s-disease-and-its-relationship-with-quality-of-life
#5
Manoel Alves Sobreira-Neto, Márcio Alexandre Pena-Pereira, Emmanuelle Silva Tavares Sobreira, Marcos Hortes Nisihara Chagas, Regina Maria França Fernandes, Vitor Tumas, Alan Luiz Eckeli
OBJECTIVES: To determine the frequency of major sleep disorders in patients with Parkinson's disease (PD), diagnosed according to the third international classification of sleep disorders, and assess the relationship of those disorders with the quality of life. METHODS: A cross-sectional study was performed involving 88 consecutive patients with PD from outpatient clinic. Participants were subjected to clinical interviews, assessment using standardized scales (Epworth Sleepiness Scale, PD Questionnaire, Pittsburgh sleep quality index (PSQI) and, for individuals with a diagnosis of RLS/WED, International RLS/WED grading scale), and video-polysomnography...
October 30, 2017: European Neurology
https://www.readbyqxmd.com/read/29078029/constipation-is-not-associated-with-dat-dopaminergic-pathology-in-early-de-novo-patients-with-parkinson-s-disease
#6
Gennaro Pagano, Tayyabah Yousaf, Heather Wilson, Flavia Niccolini, Sotirios Polychronis, Kallol Ray Chaudhuri, Marios Politis
BACKGROUND: Constipation is a common non-motor symptom of Parkinson's disease. Deposition of α-synuclein inclusions that spread from the gut to the substantia nigra through the vagus nerve has been recently speculated as a pre-motor and early stage of Parkinson's disease. OBJECTIVE: To investigate whether constipation is associated with dopaminergic pathology at DAT SPECT in early de novo (untreated) Parkinson's disease patients. Our hypothesis is that constipation is associated with other signs of pre-motor Parkinson's disease and independent of DAT dopaminergic pathology...
October 27, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29072553/prospective-memory-impairment-in-idiopathic-rem-sleep-behavior-disorder
#7
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/29066517/sleep-and-rem-sleep-behaviour-disorder-in-parkinson-s-disease-with-impulse-control-disorder
#8
Maria Livia Fantini, Michela Figorilli, Isabelle Arnulf, Maurizio Zibetti, Bruno Pereira, Patricia Beudin, Monica Puligheddu, Florence Cormier-Dequaire, Lucette Lacomblez, Eve Benchetrit, Jean Christophe Corvol, Alessandro Cicolin, Leonardo Lopiano, Ana Marques, Franck Durif
INTRODUCTION: Because the association between rapid eye movement sleep behaviour disorder (RBD) and impulse control disorders (ICDs) in Parkinson's disease (PD) has been debated, we assessed the sleep characteristics and the frequency of RBD using video-polysomnography (v-PSG) in patients with PD with versus without ICDs. METHODS: Eighty non-demented patients with PD consecutively identified during routine evaluation at three movement disorders centres were enrolled in a case-control study...
October 24, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29038946/cognitive-and-behavioral-disorders-in-parkinson-s-disease-an-update-ii-behavioral-disorders
#9
Luigi Trojano, Costanza Papagno
Patients with Parkinson's disease (PD) can experience several behavioral symptoms, such as apathy, agitation, hypersexuality, stereotypic movements, pathological gambling, abuse of antiparkinsonian drugs, and REM sleep behavioral disorders. Psychoses and hallucinations, depression and anxiety disorders, and difficulties in recognizing and experiencing emotions also impair behavior and can cause severe psychosocial problems in patients with PD. Symptoms can be present since early stages of the disease, sometimes even before the appearance of classical motor symptoms, likely in relation to dopamine depletion in basal ganglia and/or to dysfunctions of other neurotrasmitter systems, and others can develop later, in some cases in relation to dopaminergic treatment...
October 16, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29030055/the-heart-of-pd-lewy-body-diseases-as-neurocardiologic-disorders
#10
David S Goldstein, Yehonatan Sharabi
This review provides an update about cardiac sympathetic denervation in Lewy body diseases. The family of Lewy body diseases includes Parkinson's disease (PD), pure autonomic failure (PAF), and dementia with Lewy bodies (DLB). All three feature intra-neuronal cytoplasmic deposits of the protein, alpha-synuclein. Multiple system atrophy (MSA), the parkinsonian form of which can be difficult to distinguish from PD with orthostatic hypotension, involves glial cytoplasmic inclusions that contain alpha-synuclein...
October 10, 2017: Brain Research
https://www.readbyqxmd.com/read/28990131/diagnosis-and-management-of-cognitive-and-behavioral-changes-in-dementia-with-lewy-bodies
#11
REVIEW
Babak Tousi
Proper diagnosis of dementia with Lewy bodies (DLB) in clinical practice remains suboptimal as many cases are misdiagnosed, usually as Alzheimer disease (AD) or Parkinson's disease (PD) and, in rare cases, psychosis. Therefore, it is important for patients with dementia to be thoroughly evaluated by a specialist who is familiar with current diagnostic tests and treatment options. New diagnostic criteria from the Dementia with Lewy Bodies Consortium have been developed to increase diagnostic sensitivity for DLB (Diagnosis and management of dementia with Lewy bodies: fourth consensus report of the DLB Consortium; McKeith et al...
October 9, 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28988683/smoking-and-age-at-onset-of-both-motor-and-non-motor-symptoms-in-parkinson-s-disease
#12
Angelo Fabio Gigante, Tommaso Martino, Giovanni Iliceto, Giovanni Defazio
INTRODUCTION: Several evidence suggest that smoking may decrease the risk of Parkinson's disease and is associated with an older age-at-onset of motor signs. The relation between smoking and age-at-onset of non-motor symptoms has never been analyzed. Objective of the study is to evaluate whether smoking habit and pack-years of smoking are associated with a delay of age-at-onset of motor signs, and of some non-motor symptoms. METHODS: The study population consisted of 262 consecutive parkinsonian patients...
September 29, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28979204/hyposmia-is-associated-with-rbd-for-pd-patients-with-variants-of-snca
#13
Yuanyuan Li, Wenyan Kang, Linyuan Zhang, Liche Zhou, Mengyue Niu, Jun Liu
Objective: Hyposmia may occur simultaneously with REM sleep behavior disorder (RBD) as a specific phenotype in Parkinson's Diseases (PD), of which the disease progression is fast. In the study, we tried to identify whether the genotypic characteristics could participate in the co-occurrence of hyposmia and RBD in PD patients. Methods: 152 PD patients were recruited from the Department of Neurology, Ruijin Hospital affiliated to Shanghai JiaoTong University School of Medicine from 2011 to 2016, with comprehensive clinical assessment performing...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28958075/magnetic-resonance-imaging-biomarkers-to-assess-substantia-nigra-damage-in-idiopathic-rapid-eye-movement-sleep-behavior-disorder
#14
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/28958020/caveats-of-neurodegenerative-risk-stratification-in-idiopathic-rem-sleep-behavior-disorder-by-use-of-the-mds-research-for-prodromal-parkinson-s-disease
#15
Philipp Mahlknecht, Alex Iranzo, Ambra Stefani, Monica Serradell, Joan Santamaria, Eduardo Tolosa, Birgit Högl, Werner Poewe
No abstract text is available yet for this article.
October 1, 2017: Sleep
https://www.readbyqxmd.com/read/28958010/noradrenergic-dysfunction-could-contribute-to-cognitive-impairments-in-patients-with-parkinson-s-disease-and-rem-sleep-behavior-disorder
#16
https://www.readbyqxmd.com/read/28923293/two-polysomnographic-features-of-rem-sleep-behavior-disorder-clinical-variations-insight-for-parkinson-s-disease
#17
Yun Shen, Yong-Ping Dai, Yi Wang, Jie Li, Kang-Ping Xiong, Cheng-Jie Mao, Jun-Ying Huang, Wei-Feng Luo, Chun-Feng Liu
INTRODUCTION: Loss of REM sleep muscle atonia (RWA) and dream-enactment behavior (DEB) are two associated features of REM sleep behavior disorder (RBD), which is frequently associated with Parkinson's disease (PD). Few studies have examined both DEB and RWA simultaneously in patients with PD. This study aimed to evaluate relationships between RWA, DEB and clinical characteristics of PD. METHODS: We conducted overnight polysomnography in 145 patients with PD. DEB (motor behaviors and/or vocalizations during REM) and increased RWA (IRWA; tonic and phasic chin EMG density ≥ 30% and ≥15%, respectively) were identified...
September 5, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28899330/rem-sleep-behaviour-disorder-not-just-a-bad-dream
#18
REVIEW
Elie Matar, Simon Jg Lewis
Rapid eye movement (REM) sleep behaviour disorder (RBD) is a parasomnia characterised by the loss of the normal atonia during the REM stage of sleep, resulting in overt motor behaviours that usually represent the enactment of dreams. Patients will seek medical attention due to sleep-related injuries or unpleasant dream content. Idiopathic RBD which occurs independently of any other disease occurs in up to 2% of the older population. Meanwhile, secondary RBD is very common in association with certain neurodegenerative conditions...
September 18, 2017: Medical Journal of Australia
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
#19
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/28887374/rem-sleep-behavior-disorder-is-related-to-enteric-neuropathology-in-parkinson-disease
#20
Laurène Leclair-Visonneau, Thomas Clairembault, Emmanuel Coron, Séverine Le Dily, Fabienne Vavasseur, Marie Dalichampt, Yann Péréon, Michel Neunlist, Pascal Derkinderen
OBJECTIVE: To determine whether REM sleep behavior disorder (RBD) in Parkinson disease (PD) is associated with lesions and dysfunctions of the autonomic nervous system by evaluating enteric phosphorylated α-synuclein histopathology (PASH) and permeability. METHODS: A total of 45 patients with PD were included in this cross-sectional study. RBD was diagnosed on the basis of a standardized clinical interview and confirmed by polysomnography. For each patient, 5 biopsies were taken at the junction between the sigmoid and descending colon during the course of a rectosigmoidoscopy...
October 10, 2017: Neurology
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