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periodic leg movement

Mirjam H Schipper, Korné Jellema, Diego Alvarez-Estevez, Johan Verbraecken, Roselyne M Rijsman
BACKGROUND: Periodic leg movements during sleep (PLMS) have been associated with an increased risk for cardiovascular diseases and there is a high prevalence of PLMS found in patients with obstructive sleep apnea syndrome (OSAS). We evaluated patients with transient ischemic attack (TIA) for PLMS and respiratory related leg movements (RRLM), versus a control group without TIA. METHODS: Twenty-five patients with TIA and 34 patients with no vascular diagnosis were referred for polysomnography...
March 13, 2018: European Neurology
P A Caro Aponte, C A Otálora, J C Guzmán, L F Turner, J P Alcázar, E L Mayorga
Parkinson's disease (PD) is characterised by motor alterations, which are commonly treated with L-DOPA. However, long-term L-DOPA use may cause dyskinesia. Although the pathogenic mechanism of L-DOPA-induced dyskinesia is unclear, the condition has been associated with alterations in dopamine receptors, among which D2 receptors (D2R) have received little attention. This study aims to: (i)develop and standardise an experimental model of L-DOPA-induced dyskinesia in rats with hemiparkinsonism; and (ii)evaluate the correlation between D2R expression and presence of abnormal involuntary movements (AIM)...
March 7, 2018: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Edna Patatanian, Melanie K Claborn
OBJECTIVE: To review the literature on drug-induced restless legs syndrome (DI-RLS). DATA SOURCES: The review included a search for English-language literature from 1966 to December 2017 in the MEDLINE, PubMed, and Ovid databases using the following search terms: restless legs syndrome (RLS), periodic limb movement, adverse effects, and drug-induced. In addition, background articles on the pathophysiology, etiology, and epidemiology of RLS were retrieved. Bibliographies of relevant articles were reviewed for additional citations...
February 1, 2018: Annals of Pharmacotherapy
Sagrario Pérez-de la Cruz
OBJECTIVES: Various exercise strategies have been suggested to address movement deficits in order to improve motor function and quality of life for individuals in the early or moderate stages of Parkinson disease. The purpose is to evaluate the effects of an aquatic Ai Chi intervention on balance, gait speed and quality of life of patients. DESIGN AND INTERVENTION: Twenty-nine people with Parkinson disease participated in this pilot study. People were randomized into (1) aquatic Ai Chi program (experimental group) and (2) a dry land conventional Western physical therapy intervention (control group)...
February 2018: Complementary Therapies in Medicine
Saleheddine Rekik, Francis Martin, Pauline Dodet, Stefania Redolfi, Smaranda Leu-Semenescu, Jean-Christophe Corvol, David Grabli, Isabelle Arnulf
OBJECTIVES: To determine the frequency of sleep breathing disorders in multiple systemic atrophy (MSA, combining Parkinsonism, cerebellar syndrome, and dysautonomia) and evaluate the benefit/tolerance of various modes of ventilation. METHODS: We retrospectively analyzed 45 patients with MSA having undergone a videopolysomnography. Their sleep characteristics were compared to those of 45 patients with Parkinson's disease and 45 healthy controls, matched for age and sex...
February 2018: Sleep Medicine
J Finlayson, J Crockett, S Shanmugam, B Stansfield
BACKGROUND: Adults with intellectual disabilities (IDs) experience high rates of falls and have high rates of gait or balance issues which contribute to falls. Lycra splinting garments (LSGs) have potential to improve gait or balance, but they have never before been tested with adults with IDs who fall due to gait or balance issues. The aim of this study was to test in adults with IDs, the feasibility of using LSGs to improve movement and function and reduce falls, whilst also exploring usability and likely compliance...
February 14, 2018: Journal of Intellectual Disability Research: JIDR
Kiran Maski, Judith Owens
PURPOSE OF REVIEW: This article provides an overview of the clinical features, diagnosis, and treatment of insomnia, restless legs syndrome, periodic limb movements of sleep, parasomnias, narcolepsy, and sleep-related breathing disorders among children and adolescents. RECENT FINDINGS: Pediatric presentations of sleep disorders differ from adult presentations, making diagnosis challenging. Specific clinical syndromes, such as cataplexy in children with narcolepsy type 1, can have an altogether different presentation compared to adult-onset symptoms, contributing to diagnostic delays and potential misdiagnoses...
February 2018: Continuum: Lifelong Learning in Neurology
Richard P Allen, Daniel L Picchietti, Michael Auerbach, Yong Won Cho, James R Connor, Christopher J Earley, Diego Garcia-Borreguero, Suresh Kotagal, Mauro Manconi, William Ondo, Jan Ulfberg, John W Winkelman
BACKGROUND: Brain iron deficiency has been implicated in the pathophysiology of RLS, and current RLS treatment guidelines recommend iron treatment when peripheral iron levels are low. In order to assess the evidence on the oral and intravenous (IV) iron treatment of RLS and periodic limb movement disorder (PLMD) in adults and children, the International Restless Legs Syndrome Study Group (IRLSSG) formed a task force to review these studies and provide evidence-based and consensus guidelines for the iron treatment of RLS in adults, and RLS and PLMD in children...
January 2018: Sleep Medicine
Yves Dauvilliers, Sofiene Chenini, Jérôme Vialaret, Constance Delaby, Lily Guiraud, Audrey Gabelle, Regis Lopez, Christophe Hirtz, Isabelle Jaussent, Sylvain Lehmann
BACKGROUND: To better understand the role of iron homeostasis dysregulation in restless legs syndrome, we compared serum hepcidin and ferritin levels in drug-free patients with primary restless legs syndrome and healthy controls and studied the relationship between hepcidin level and restless legs syndrome severity. METHODS: One hundred and eight drug-free patients with primary restless legs syndrome (65 women; median age, 61.5 years) and 45 controls (28 women; median age, 53...
February 8, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
Alex Iranzo
Parasomnias and sleep-related movement disorders are important problems in older adults. Sleep paralysis is rare, but may occur in families. In a minority of patients with disorders of arousal, the episodes persist until the age of 70. Zolpidem and other medications may induce sleepwalking and sleep-related eating. Most patients with idiopathic rapid eye movement (REM) sleep behavior disorder eventually develop Parkinson's disease or dementia with Lewy bodies. Anti-IgLON5 disease includes abnormal behaviors in NREM and REM sleep...
March 2018: Sleep Medicine Clinics
Shu-Yuan Liu, Miguel A Perez, Nathan Lau
Study Objectives: This study investigated the association between driving safety and seven sleep disorders amongst 3,541 participants of the Second Strategic Highway Research Program (SHRP 2) naturalistic driving study. Methods: SHRP 2 collected naturalistic driving data from participants between 16 to 98 years old by instrumenting participants' vehicles. The analyses used logistic regression to determine the likelihood of crash/near-crash involvement, Poisson log-linear regression to assess crash/near-crash rate, and ordinal logistic regression to assess driver maneuver appropriateness and crash/near-crash severity...
February 2, 2018: Sleep
Brad Manor, Wanting Yu, Hao Zhu, Rachel Harrison, On-Yee Lo, Lewis Lipsitz, Thomas Travison, Alvaro Pascual-Leone, Junhong Zhou
BACKGROUND: Walking is a complex cognitive motor task that is commonly completed while performing another task such as talking or making decisions. Gait assessments performed under normal and "dual-task" walking conditions thus provide important insights into health. Such assessments, however, are limited primarily to laboratory-based settings. OBJECTIVE: The objective of our study was to create and test a smartphone-based assessment of normal and dual-task walking for use in nonlaboratory settings...
January 30, 2018: JMIR MHealth and UHealth
Katherine M Edenfield
The midfoot and forefoot are the regions of the foot distal to the talus and calcaneus and are critical to weight bearing and movement. They help support the arch of the foot, provide shock absorption, and convert vertically oriented forces into horizontal forward and propulsive movement. A spectrum of acute, subacute, and chronic conditions in these regions can cause pain and decreased function. A thorough history and physical examination should include foot and leg biomechanics, alignment, and posture in addition to palpation of painful areas...
February 2018: FP Essentials
Raffaele Ferri, Lourdes M DelRosso, Debora Aricò, Marco Zucconi, Luigi Ferini-Strambi, Daniel L Picchietti, Fabio Pizza, Giuseppe Plazzi, Mauro Manconi, Oliviero Bruni
Study Objectives: To evaluate leg movement activity during sleep (LMS) in normal school-age children and adolescents, to eventually establish age-specific periodic LMS (PLMS) index thresholds that support the diagnosis of restless legs syndrome (RLS) and to evaluate the utility of other LMS indices. Methods: Polysomnographic recordings from 61 controls, 46 children with RLS, and 44 children with narcolepsy type 1 (NT1) were analyzed for total leg movements (LMS), PLMS, and isolated leg movements (ISOLMS) duration and indices, separately for school-age children and adolescents...
January 22, 2018: Sleep
Raffaele Ferri, Alessandro Silvani, Francesco Rundo, Marco Zucconi, Debora Aricò, Oliviero Bruni, Luigi Ferini-Strambi, Mauro Manconi
Objective: to define statistically the upper limit of the inter-movement interval (IMI, the time interval between the onset of consecutive movements) of periodic leg movements during sleep (PLMS). Subjects and Methods: we computed the IMI distribution of a large sample (n = 141) of patients with restless legs syndrome (RLS) and analyzed it with two independent approaches, based on fitting either empirical functions or normal and exponential functions to the data...
January 13, 2018: Sleep
Marco Capogrosso, Jérôme Gandar, Nathan Greiner, Eduardo Martin Moraud, Nikolaus Wenger, Polina Shkorbatova, Pavel E Мusienko, Ivan Minev, Stephanie P Lacour, Gregoire Courtine
We recently developed soft neural interfaces enabling the delivery of electrical and chemical stimulation to the spinal cord. These stimulations restored locomotion in animal models of paralysis. Soft interfaces can be placed either below or above the dura mater. Theoretically, the subdural location combines many advantages, including increased selectivity of electrical stimulation, lower stimulation thresholds, and targeted chemical stimulation through local drug delivery. However, these advantages have not been documented, nor have their functional impact been studied in-silico or in a relevant animal model of neurological disorders using a multimodal neural interface...
January 17, 2018: Journal of Neural Engineering
Claudia Schilling, Lena Gappa, Michael Schredl, Fabian Streit, Jens Treutlein, Josef Frank, Michael Deuschle, Andreas Meyer-Lindenberg, Marcella Rietschel, Stephanie H Witt
Study Objectives: Sleep spindles are a hallmark of NREM stage 2 sleep. Fast sleep spindles correlate with cognitive functioning, and are reduced in schizophrenia. Although spindles are highly genetically determined, distinct genetic mechanisms influencing sleep spindle activity have not been identified so far. Spindles are generated within a thalamo-cortical network. Dopaminergic neurotransmission modulates activity within this network and importantly depends on activity of catechol-O-methyltransferase (COMT)...
January 6, 2018: Sleep
Suzan W N Vogel, Denise Bijlenga, Jeroen S Benjamins, Aartjan T F Beekman, J J Sandra Kooij, Eus J W Van Someren
BACKGROUND: We examined whether current overall attention deficit hyperactivity disorder (ADHD), inattention, or hyperactivity symptom severities are associated with the current presence and persistent history of sleep problems. METHODS: N = 942 participants of the Netherlands Sleep Registry filled out online several validated questionnaires. Regression analyses were performed to assess the association between (1) current overall ADHD symptom severity and the current presence of sleep problems, (2) current ADHD symptom-severity groups and the persistent history of sleep problems, and (3) current inattention or hyperactivity symptom severities and the current presence of sleep problems...
December 2017: Sleep Medicine
Valya Sergeeva, Jeremy Viczko, Laura B Ray, Adrian M Owen, Stuart M Fogel
Periodic limb movements (PLMs) during sleep increase with age and are associated with striatal neurodegeneration and dopamine deficiency. Limb movements are often associated with disruptions to non-rapid eye movement (NREM) sleep. Motor skill memory consolidation recruits the striatum, and learning-dependent striatal activation is associated with NREM sleep. Therefore, we investigated whether de novo individuals who significantly experience elevated levels of PLMs but have not been formally diagnosed with periodic limb movement disorder had learning and sleep-related memory deficits and whether these deficits were related to sleep quality and symptom severity...
December 2017: Sleep Medicine
Jonathan Levy, Sarah Hartley, Elsa Mauruc-Soubirac, Antoine Leotard, Frederic Lofaso, Maria-Antonia Quera-Salva, Djamel Bensmail
BACKGROUND: Spasticity and spasms are distressing features of the upper motor neuron syndrome (UMNS) following spinal cord injuries (SCI) or multiple sclerosis (MS), and have common therapeutic implications. Despite an increase of antispastic drugs and strategies, sometimes up to the surgical implant of intrathecal baclofen pump, some patients still complain of disabling spasms, which poses diagnostic and therapeutic challenges. Although clinically similar, flexor spasms due to pyramidal tract disruption must be clearly differentiated from periodic limb movements (PLM), often accompanying restless leg syndrome (RLS) and occurring during sleep...
December 4, 2017: European Journal of Physical and Rehabilitation Medicine
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