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https://www.readbyqxmd.com/read/29348376/-benign-outcome-of-cochlear-implantation-in-a-patient-with-superficial-siderosis
#1
Kei Sato, Takekazu Ohi, Taisaku Shozaki, Shin Kariya
We report the case of a 38-year-old man with gait disorder and hearing loss. The patient had developed gait disorder due to a cervical meningioma since 4 year-old disappeared for 15 years after the surgical removal of the meningioma. However, at the age of 21 year-old, the gait disorder reappeared and worsened progressively. Sensorineural hearing loss (SNHL) and epileptic seizures developed during the disease course, and he was diagnosed with superficial siderosis (SS). When he was 37 years old, he experienced sudden-onset of right-side hearing impairment and was considered a candidate for cochlear implantation (CI) at the otorhinolaryngology clinic of the nearby University Hospital...
January 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29339922/effect-of-rhythmic-auditory-cueing-on-gait-in-cerebral-palsy-a-systematic-review-and-meta-analysis
#2
REVIEW
Shashank Ghai, Ishan Ghai, Alfred O Effenberg
Auditory entrainment can influence gait performance in movement disorders. The entrainment can incite neurophysiological and musculoskeletal changes to enhance motor execution. However, a consensus as to its effects based on gait in people with cerebral palsy is still warranted. A systematic review and meta-analysis were carried out to analyze the effects of rhythmic auditory cueing on spatiotemporal and kinematic parameters of gait in people with cerebral palsy. Systematic identification of published literature was performed adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses and American Academy for Cerebral Palsy and Developmental Medicine guidelines, from inception until July 2017, on online databases: Web of Science, PEDro, EBSCO, Medline, Cochrane, Embase and ProQuest...
2018: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29339174/the-impact-of-strabismus-surgery-on-gait-pattern-in-patients-with-congenital-or-starting-within-one-year-of-age-strabismus
#3
Enrica Sipio, Anna Dickmann, Irene Aprile, Marco Germanotta, Chiara Simbolotti, Annabella Salerni, Gustavo Savino, Luca Padua
Strabismus is a common visual disorder that negatively affects walking and balance. Therapeutic interventions for strabismus include strabismus surgery. Few studies investigated the relationship between strabismus surgery and postural control while, to the best of our knowledge, none has been conducted to assess the influence of strabismus surgery on gait. Therefore, the aim of this study was to evaluate the locomotion characteristics over patients with congenital or starting within one year of age strabismus, one month and three months after strabismus surgery...
January 12, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29338380/transplantation-of-human-neural-progenitor-cells-reveals-structural-and-functional-improvements-in-the-spastic-han-wistar-rat-model-of-ataxia
#4
Ruslan L Nuryyev, Toni L Uhlendorf, Wesley Tierney, Suren Zatikyan, Oleg Kopyov, Alex Kopyov, Jessica Ochoa, William Van Trigt, Cindy S Malone, Randy W Cohen
The use of regenerative medicine to treat nervous system disorders like ataxia has been proposed to either replace or support degenerating neurons. In this study, we assessed the ability of human neural progenitor cells (hNPCs) to repair and restore the function of dying neurons within the spastic Han-Wistar rat (sHW), a model of ataxia. The sHW rat suffers from neurodegeneration of specific neurons, including cerebellar Purkinje cells and hippocampal CA3 pyramidal cells leading to the observed symptoms of forelimb tremor, hind-leg rigidity, gait abnormality, motor incoordination, and a shortened life span...
November 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29336642/concurrent-validity-of-two-gait-performance-measures-in-children-with-neuromotor-disorders
#5
Corinne Ammann-Reiffer, Caroline H G Bastiaenen, Corina Klöti, Hubertus J A van Hedel
AIMS: To investigate the concurrent validity of two mobility performance measures, the Functional Mobility Scale (FMS) and the Gillette Functional Assessment Questionnaire - walking scale (FAQ) in an inpatient pediatric neurorehabilitation setting. METHODS: Cross-sectional data were collected on 71 children (mean age 12.7 years) with neuromotor gait impairments who participated in an inpatient rehabilitation program to evaluate aspects of concurrent validity of the FMS and FAQ...
January 16, 2018: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#6
Stefanie Lerche, Alexandra Gutfreund, Kathrin Brockmann, Markus A Hobert, Isabel Wurster, Ulrike Sünkel, Gerhard W Eschweiler, Florian G Metzger, Walter Maetzler, Daniela Berg
OBJECTIVE: The prevalence of Alzheimer's disease and Parkinson's disease increases with the raising number of elderly, which will be a challenging situation for the healthcare systems and society in the future. There is evidence that there are modifiable risk-factors e.g. physical activity for these diseases. Here, we study the interaction between sports inactivity with prodromal markers for neurodegeneration. PATIENTS AND METHODS: We investigated 667 neurologically healthy individuals cross-sectional and a subgroup longitudinal over six years...
January 9, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29325626/fragile-x-syndrome-and-fragile-x-associated-tremor-ataxia-syndrome
#7
Deborah A Hall, Elizabeth Berry-Kravis
Fragile X-associated disorders encompass several conditions, which are caused by expansion mutations in the fragile X mental retardation 1 (FMR1) gene. Fragile X syndrome is the most common inherited etiology of intellectual disability and results from a full mutation or >200 CGG repeats in FMR1. It is associated with developmental delay, autism spectrum disorder, and seizures. Fragile X-associated tremor/ataxia syndrome is a progressive neurodegenerative disease that occurs in premutation carriers of 55-200 CGG repeats in FMR1 and is characterized by kinetic tremor, gait ataxia, parkinsonism, executive dysfunction, and neuropathy...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29318933/comparing-auditory-visual-and-vibrotactile-cues-in-individuals-with-parkinson-s-disease-for-reducing-risk-of-falling-over-different-types-of-soil
#8
Johannes C Ayena, Louis E Tremblay, Martin J-D Otis, Bob-Antoine J Ménélas
INTRODUCTION: Several researchers have demonstrated the positive benefits of auditory and visual cueing in the gait improvements among individuals with Parkinson's disease (PD). However, few studies have evaluated the role of vibrotactile cueing when compared to auditory and visual cueing. This paper compares how these stimuli affect the risk of falling while walking on six types of soil (concrete, sand, parquet, broken stone, two types of carpet). METHODS: An instrumented Timed Up and Go (iTUG) test served to evaluate how audio, visual and vibrotactile cueing can affect the risk of falling of elderly...
January 10, 2018: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/29310988/an-updated-diagnostic-approach-to-subtype-definition-of-vascular-parkinsonism-recommendations-from-an-expert-working-group
#9
REVIEW
Ivan Rektor, Nicolaas I Bohnen, Amos D Korczyn, Viktoria Gryb, Hrishikesh Kumar, Milica G Kramberger, Frank-Erik de Leeuw, Zvezdan Pirtošek, Irena Rektorová, Ilana Schlesinger, Jaroslaw Slawek, Peter Valkovič, Branislav Veselý
This expert working group report proposes an updated approach to subtype definition of vascular parkinsonism (VaP) based on a review of the existing literature. The persistent lack of consensus on clear terminology and inconsistent conceptual definition of VaP formed the impetus for the current expert recommendation report. The updated diagnostic approach intends to provide a comprehensive tool for clinical practice. The preamble for this initiative is that VaP can be diagnosed in individual patients with possible prognostic and therapeutic consequences and therefore should be recognized as a clinical entity...
December 29, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29305858/identification-of-a-candidate-enhancer-for-dmrt3-involved-in-spastic-cerebral-palsy-pathogenesis
#10
Naoto Kubota, Toshifumi Yokoyama, Nobuhiko Hoshi, Mikita Suyama
Cerebral palsy (CP) is a major neuronal disease and the most common movement disorder in children. Although environmental factors leading to CP have been greatly investigated, the genetic mechanism underlying CP is not well understood. Here we focused on two clinical reports that characterized a deletion involving the KANK1 gene locus in the 9p24.3 region. One report shows spastic CP and the other shows no spastic CP phenotype. Based on the epigenetic status and evolutionary conservation, we first found a functional genomic element at the noncoding region that was deleted only in patients with spastic CP...
January 3, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29298691/volition-adaptive-control-for-gait-training-using-wearable-exoskeleton-preliminary-tests-with-incomplete-spinal-cord-injury-individuals
#11
Vijaykumar Rajasekaran, Eduardo López-Larraz, Fernando Trincado-Alonso, Joan Aranda, Luis Montesano, Antonio J Del-Ama, Jose L Pons
BACKGROUND: Gait training for individuals with neurological disorders is challenging in providing the suitable assistance and more adaptive behaviour towards user needs. The user specific adaptation can be defined based on the user interaction with the orthosis and by monitoring the user intentions. In this paper, an adaptive control model, commanded by the user intention, is evaluated using a lower limb exoskeleton with incomplete spinal cord injury individuals (SCI). METHODS: A user intention based adaptive control model has been developed and evaluated with 4 incomplete SCI individuals across 3 sessions of training per individual...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29298279/severe-chronic-lithium-intoxication-in-patient-treated-for-bipolar-disorder
#12
Ivana Stetkarova, Vaclav Bocek, Alsu Gismatullina, Zuzana Svobodova, Tomas Peisker
OBJECTIVE: Lithium has been long used in psychiatry as an adjuvant treatment for bipolar disorder. Chronic lithium intoxication is very rare. DESIGN: We present the case of a 72-year-old female, treated with lithium for more than 10 years for bipolar disorder, who was admitted for gait impairment with weakness of limbs, myoclonus, speech impairment and memory disturbances. RESULTS: Diagnosis of lithium intoxication was based on clinical picture and determination of serum lithium levels...
December 4, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29288631/gait-disorders
#13
REVIEW
Jessica M Baker
Walking is an extraordinarily complex task requiring integration of the entire nervous system, making gait susceptible to a variety of underlying neurological abnormalities. Gait disorders are particularly prevalent in the elderly and increase fall risk. In this review, we discuss an approach to the examination of gait, and highlight key features of common gait disorders and their underlying causes. We review gaits due to lesions of motor systems (spasticity and neuromuscular weakness), the cerebellum and sensory systems (ataxia), parkinsonism, and frontal lobes and discuss the remarkably diverse phenomenology of functional (psychogenic) gait disorders...
December 27, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/29288088/telangiectasias-in-ataxia-telangiectasia-clinical-significance-role-of-atm-deficiency-and-potential-pathophysiological-mechanisms
#14
M H D Schoenaker, N J H Van Os, M Van der Flier, M Van Deuren, M M Seyger, A M R Taylor, C M R Weemaes, M A A P Willemsen
Ataxia Telangiectasia (AT) is named after the two key clinical features that characterize its classical phenotype, namely a progressive cerebellar gait disorder (ataxia) and vascular anomalies (telangiectasias) visible in the conjunctivae and skin. AT is an autosomal recessively inherited disorder, caused by mutations in the ATM gene that encodes the ATM protein. While the ataxia is subject of many publications, the telangiectasias are under emphasised. We here describe the observation that the absence or presence of ATM protein and the level of residual ATM kinase activity are related to the occurrence of telangiectasias and describe the clinical consequences of these vascular malformations...
December 26, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29288070/neonatal-erythropoietin-mitigates-impaired-gait-social-interaction-and-diffusion-tensor-imaging-abnormalities-in-a-rat-model-of-prenatal-brain-injury
#15
Shenandoah Robinson, Christopher J Corbett, Jesse L Winer, Lindsay A S Chan, Jessie R Maxwell, Christopher V Anstine, Tracylyn R Yellowhair, Nicholas A Andrews, Yirong Yang, Laurel O Sillerud, Lauren L Jantzie
Children who are born preterm are at risk for encephalopathy of prematurity, a leading cause of cerebral palsy, cognitive delay and behavioral disorders. Current interventions are limited and none have been shown to reverse cognitive and behavioral impairments, a primary determinant of poor quality of life for these children. Moreover, the mechanisms of perinatal brain injury that result in functional deficits and imaging abnormalities in the mature brain are poorly defined, limiting the potential to target interventions to those who may benefit most...
December 26, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29286317/motor-somatosensory-viscerosensory-and-metabolic-impairments-in-a-heterozygous-female-rat-model-of-rett-syndrome
#16
Aritra Bhattacherjee, Michelle K Winter, Linda S Eggimann, Ying Mu, Sumedha Gunewardena, Zhaohui Liao, Julie A Christianson, Peter G Smith
Rett Syndrome (RTT), an autism-related disorder caused by mutation of the X-linked Methyl CpG-binding Protein 2 (MECP2) gene, is characterized by severe cognitive and intellectual deficits. While cognitive deficits are well-documented in humans and rodent models, impairments of sensory, motor and metabolic functions also occur but remain poorly understood. To better understand non-cognitive deficits in RTT, we studied female rats heterozygous for Mecp2 mutation (Mecp2-/x); unlike commonly used male Mecp2-/y rodent models, this more closely approximates human RTT where males rarely survive...
December 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29282348/-a-case-of-cowden-syndrome-associated-with-lhermitte-duclos-disease
#17
Hidefumi Suzuki, Kyoko Hosokawa, Michio Ono, Yasuhiro Kojima, Masutaro Kanda, Hiroshi Shibasaki
A 24-year-old woman slowly developed mild unsteadiness of gait. Neurological examination revealed mild dysmetria of the left upper and lower limbs. Standing and gait were unsteady, and tandem gait was impossible. Cranial magnetic resonance imaging (MRI) showed an enlarged left cerebellar hemisphere with striated lines, a characteristic finding of Lhermitte-Duclos disease. She also had papules on the forehead, goiter, lactating adenoma, glycogenic acanthosis in the esophagus, café-au-lait spot, and hemangioma and keratosis on the dorsum of foot...
December 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29282001/nitrous-oxide-induced-subacute-combined-degeneration-with-longitudinally-extensive-myelopathy-with-inverted-v-sign-on-spinal-mri-a-case-report-and-literature-review
#18
Jun Liang Yuan, Shuang Kun Wang, Tao Jiang, Wen Li Hu
BACKGROUND: Nitrous oxide (N2O), a long-standing anesthetic, is also neurotoxic by interfering with the bioavailability of vitamin B12 if abused. A few case studies have reported the neurological and psychiatric complications of N2O. CASE PRESENTATION: Here, we reported a patient of N2O induced subacute combined degeneration (SCD) with longitudinally extensive myelopathy with inverted V-sign exhibiting progressive limb paresthesia and unsteady gait. CONCLUSIONS: This case raises the awareness of an important mechanism of neural toxicity of N2O, and clinical physicians should be well recognized this in the field of substance-related disorders...
December 28, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29279430/-sarcopenia-and-metabolism
#19
Sumito Ogawa
Sarcopenia has been defined as an age-related loss of skeletal muscle mass, strength and function, and its diagnostic criteria is based on usual gait speed, grip strength, and skeletal muscle mass. Whereas underlying pathophysiology and mechanisms of sarcopenia still remains to be established, recent studies have suggested that sarcopenia is a risk factor for metabolic disorders, showing an association with insulin resistance, diabetes, and metabolic syndrome in elderly people.
2018: Clinical Calcium
https://www.readbyqxmd.com/read/29275080/leg-muscle-activation-patterns-during-walking-and-leg-lean-mass-are-different-in-children-with-and-without-developmental-coordination-disorder
#20
Timothy T T Yam, Shirley S M Fong
BACKGROUND: Previous studies have shown that children with developmental coordination disorder (DCD) have a higher body fat and greater gait variability. Little research has investigated the gait muscle activity and lean mass measures in children with DCD. AIMS: To compare the leg muscle activation patterns of the gait cycle and leg lean mass between children with and without DCD. METHODS: Fifty-one children were in the DCD group (38 males and 13 females; 7...
December 21, 2017: Research in Developmental Disabilities
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