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cognition in multiple sclerosis

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https://www.readbyqxmd.com/read/28429774/synchronization-and-variability-imbalance-underlie-cognitive-impairment-in-primary-progressive-multiple-sclerosis
#1
Maria Petracca, Catarina Saiote, Heidi A Bender, Franchesca Arias, Colleen Farrell, Paola Magioncalda, Matteo Martino, Aaron Miller, Georg Northoff, Fred Lublin, Matilde Inglese
We aimed to investigate functional connectivity and variability across multiple frequency bands in brain networks underlying cognitive deficits in primary-progressive multiple sclerosis (PP-MS) and to explore how they are affected by the presence of cortical lesions (CLs). We analyzed functional connectivity and variability (measured as the standard deviation of BOLD signal amplitude) in resting state networks (RSNs) associated with cognitive deficits in different frequency bands in 25 PP-MS patients (12 M, mean age 50...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427709/upper-limb-impairment-is-associated-with-use-of-assistive-devices-and-unemployment-in-multiple-sclerosis
#2
Ruth Ann Marrie, Gary R Cutter, Tuula Tyry, Stacey S Cofield, Robert Fox, Amber Salter
BACKGROUND: Individuals with multiple sclerosis (MS) frequently suffer from impaired sensory function, reduced strength and tremor in the upper limbs, which may interfere with upper limb function. However, upper limb impairment in MS is under-recognized and understudied. We aimed to evaluate the prevalence of upper limb impairment in a large sample of persons with MS; the association between upper limb function and employment status in MS; and the frequency of use of assistive devices aimed at addressing upper limb impairments...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427694/gait-pattern-in-patients-with-different-multiple-sclerosis-phenotypes
#3
Irena Dujmovic, Sasa Radovanovic, Vanja Martinovic, Jelena Dackovic, Gorica Maric, Sarlota Mesaros, Tatjana Pekmezovic, Vladimir Kostic, Jelena Drulovic
BACKGROUND: Gait pattern is frequently impaired in multiple sclerosis (MS), however gait characteristics in patients with different MS phenotypes have not been fully elucidated. METHODS: We analyzed spatio-temporal gait pattern characteristics in patients with relapsing-remitting (RR, n=52) and primary-progressive (PP, n=18) MS in comparison with age-matched healthy controls (HC, n=40). All subjects performed a standardized simple walking task, a dual motor- motor task, a dual motor-mental task, and a triple combined motor-mental task at a GAITRite electronic walkway of 5...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28426702/natalizumab-stabilizes-physical-cognitive-mri-and-oct-markers-of-disease-activity-a-prospective-non-randomized-pilot-study
#4
Garrick D Talmage, Oscar J M Coppes, Adil Javed, Jacqueline Bernard
Natalizumab is an effective therapy for multiple sclerosis (MS). Its effectiveness has been demonstrated in several clinical and imaging studies. The objective of this study was to further demonstrate the efficacy of natalizumab using a comprehensive battery of clinical and imaging markers in the same cohort of patients followed longitudinally, hence capturing the multi-faceted nature of the MS disease process. A prospective, open-label, pilot study of 20 MS patients treated with natalizumab was conducted. High resolution MRI, Symbol-Digit Modalities Test (SDMT), and Optical Coherence Tomography (OCT) scans were obtained at baseline, 48, and 96 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28422627/quality-of-life-perspectives-of-people-with-amyotrophic-lateral-sclerosis-and-their-caregivers
#5
Stephanie Johnson, Bryant Alonso, Katie Faulkner, Haley Roberts, Britton Monroe, Leigh Lehman, Pamalyn Kearney
This study explored differences in perspectives on quality of life (QOL) between people affected by amyotrophic lateral sclerosis (ALS) and their caregivers. QOL is often thought of as related to physical limitations, without consideration of other factors (e.g., cognitive, emotional) that may be stronger predictors of QOL in people with long-term degenerative diseases. Because QOL is complex and influenced by multiple factors, people with ALS and their caregivers may have different perspectives on what constitutes QOL...
May 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28419819/path-to-illness-intrusiveness-what-symptoms-impact-the-life-of-people-living-with-multiple-sclerosis
#6
Vanessa Bouchard, Pierre Duquette, Nancy E Mayo
OBJECTIVE: To determine the direct and indirect effects of physical, emotional, and cognitive impairments on illness intrusiveness in people with MS. DESIGN: Secondary analysis of a cross sectional data set collected in 2008 to identify gender differences in people living with MS. SETTING: Three MS clinics in the Greater Montréal region, Canada. PARTICIPANTS: A random sample of 135 women and 48 men diagnosed with Multiple Sclerosis after 1995 recruited and evaluated in 2008...
April 15, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28413713/catastrophic-outcome-of-patients-with-a-rebound-after-natalizumab-treatment-discontinuation
#7
Inés González-Suarez, Luis Rodríguez de Antonio, Aida Orviz, Sara Moreno-García, María D Valle-Arcos, Jordi A Matias-Guiu, Cristina Valencia, Manuela Jorquera Moya, Celia Oreja-Guevara
INTRODUCTION: Natalizumab (NTZ) is an effective drug for the treatment of relapsing-remitting multiple sclerosis. In some patients discontinuation is mandatory due to the risk of progressive multifocal leukoencephalopathy. However, severe clinical and radiological worsening has been described after drug cessation. Our aim was to describe the clinical and radiological features of the rebound phenomenon. MATERIAL AND METHODS: Patients switched from NTZ to Fingolimod (FTY) who had presented a rebound after discontinuation were selected...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28406663/neuropsychological-correlates-of-theory-of-mind-deficits-in-patients-with-multiple-sclerosis
#8
Simona Raimo, Luigi Trojano, Simona Pappacena, Raffaella Alaia, Daniele Spitaleri, Dario Grossi, Gabriella Santangelo
BACKGROUND: Theory of mind (ToM) is the ability to understand and interpret another person's beliefs, intentions (cognitive ToM) and emotions (affective ToM). OBJECTIVE: To explore affective and cognitive ToM and their neuropsychological correlates in patients affected by multiple sclerosis (MS). MATERIAL AND METHOD: Forty MS patients and 40 matched control individuals underwent tasks assessing cognitive (the ToM Pictures Sequencing Task and the Advanced Test of ToM) and affective ToM (the Reading the Mind in the Eyes Task and the Emotion Attribution Task), in both verbal and nonverbal modality, a comprehensive neuropsychological battery, and questionnaires for behavioral disorders...
April 13, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28401769/the-diagnostic-dilemma-of-multiple-sclerosis-presenting-with-isolated-cognitive-and-behavioral-disorders
#9
Maria Pia Amato
Cognitive and behavioral symptoms are common in multiple sclerosis (MS), even from the early stages of the disease, but they are considered to be rarely the inaugural and predominant manifestation of the disease, thus jeopardizing early and accurate diagnosis. This clinical commentary highlights a number of peculiar characteristics that should be taken into consideration in case of primary cognitive/neuropsychiatric dysfunction and white matter lesions of unclear origin, in order to prompt appropriate diagnostic workup...
April 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28401768/primary-progressive-multiple-sclerosis-presenting-with-severe-predominant-cognitive-impairment-and-psychiatric-symptoms-a-challenging-case
#10
Alberto Andrea Zambon, Giordano Cecchetti, Francesca Caso, Roberto Santangelo, Cristina Baldoli, Maria Grazia Natali Sora, Giancarlo Comi, Giuseppe Magnani, Vittorio Martinelli
Severe cognitive dysfunction is a frequent feature of multiple sclerosis (MS), normally associated with later stages of the disease in adult population. Nevertheless, progressive cognitive and neuropsychiatric disturbances might rarely be the presenting and predominant symptom. In order to better characterize this peculiar phenotype of MS, we report on the case of a 38-year-old man who referred to our hospital with the suspect of hereditary leukodystrophy after 5 years of behavioral and mood abnormalities, global cognitive dysfunction, clumsiness, and very mild pyramidal and cerebellar signs...
April 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28399316/predicting-health-promotion-and-quality-of-life-with-symptom-clusters-and-social-supports-among-older-adults-with-multiple-sclerosis
#11
Wenhui Zhang, Heather Becker, Alexa K Stuifbergen, Adama Brown
Symptoms common among individuals with multiple sclerosis (MS) may influence health promotion and quality of life, especially among older adults, who often experience multiple chronic conditions. To identify and examine symptom clusters' effect on health promotion and quality of life, data from 215 adults with MS older than 60 (average years with diagnosis = 29) were analyzed. Correlations among symptoms ranged from 0.33 to 0.81. Factor analysis identified two symptom clusters: (a) physical/psychological/cognitive symptoms and (b) pain symptoms...
April 11, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28398967/current-trends-in-exercise-intervention-research-technology-and-behavioral-change-strategies-for-people-with-disabilities-a-scoping-review
#12
Byron Lai, Hui-Ju Young, C Scott Bickel, Robert W Motl, James H Rimmer
This review synthesized physical activity and exercise intervention literature for the past 10 yrs for people with physical and cognitive disabilities including intervention characteristics, behavior change strategies, and types of technologies used to improve targeted outcomes. Systematic searches yielded 132 eligible studies. The major disability groups were multiple sclerosis (41%), stroke (15%), and spinal cord injury (12%). Research designs primarily involved randomized controlled trials (61%) versus quasi-experimental designs (39%)...
April 8, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28398505/cortical-remyelination-is-heterogeneous-in-multiple-sclerosis
#13
Eva M M Strijbis, Evert-Jan Kooi, Paul van der Valk, Jeroen J G Geurts
Cortical lesions (CLs) are an important component of multiple sclerosis (MS) pathology; they correlate better with physical disability and cognitive impairment than white matter lesions (WMLs). Because remyelination can be extensive in CLs, we quantified remyelination in gray matter (GM) and white matter (WM), addressing oligodendrocyte (OGD) maturation state and clinical relevance of remyelination. Brain tissue samples from 21 chronic MS patients were immunohistochemically stained for myelin proteolipid protein, Olig2, which is strongly expressed in OGD precursor cells (OPCs), but weakly expressed in mature OGDs and other OGD markers...
April 7, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28396625/cd133-positive-membrane-particles-in-cerebrospinal-fluid-of-patients-with-inflammatory-and-degenerative-neurological-diseases
#14
Tobias Bobinger, Lisa May, Hannes Lücking, Stephan P Kloska, Petra Burkardt, Philipp Spitzer, Juan M Maler, Denis Corbeil, Hagen B Huttner
Background: Analysis of cerebrospinal fluid (CSF) is a frequently used diagnostic tool in a variety of neurological diseases. Recent studies suggested that investigating membrane particles enriched with the stem cell marker CD133 may offer new avenues for studying neurological disease. In this study, we evaluated the amount of membrane particle-associated CD133 in human CSF in neuroinflammatory and degenerative diseases. Methods: We compared the amount of membrane particle-associated CD133 in CSF samples collected from 45 patients with normal pressure hydrocephalus, parkinsonism, dementia, and cognitive impairment, chronic inflammatory diseases and 10 healthy adult individuals as controls...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28394724/a-multimodal-nonpharmacologic-intervention-improves-mood-and-cognitive-function-in-people-with-multiple-sclerosis
#15
Jennifer E Lee, Babita Bisht, Michael J Hall, Linda M Rubenstein, Rebecca Louison, Danielle T Klein, Terry L Wahls
OBJECTIVE: The objective of this study was to examine whether participation in a 12-month multimodal intervention would improve mood and cognitive function in adults with progressive multiple sclerosis (MS). METHODS: In this one-arm, open-label feasibility trial, participants were prescribed a home-based multimodal intervention, including (1) a modified Paleolithic diet; (2) an exercise program (stretching and strengthening of the trunk and lower limb muscles); (3) neuromuscular electrical stimulation (EStim) of trunk and lower limb muscles; and (4) stress management (meditation and self-massage)...
April 10, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28387438/the-cognitive-footprint-of-psychiatric-and-neurological-conditions-cross-sectional-study-in-the-uk-biobank-cohort
#16
B Cullen, D J Smith, I J Deary, J J Evans, J P Pell
OBJECTIVE: We aimed to quantify the prevalence of cognitive impairment in adults with a history of mood disorder, schizophrenia, multiple sclerosis or Parkinson's disease, within a large general population cohort. METHOD: Cross-sectional study using UK Biobank data (n = 502 642). Psychiatric and neurological exposure status was ascertained via self-reported diagnoses, hospital records and questionnaires. Impairment on reasoning, reaction time and memory tests was defined with reference to a single unexposed comparison group...
April 7, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28386765/differential-contribution-of-immune-effector-mechanisms-to-cortical-demyelination-in-multiple-sclerosis
#17
Nielsen Lagumersindez-Denis, Claudia Wrzos, Matthias Mack, Anne Winkler, Franziska van der Meer, Marie C Reinert, Heiko Hollasch, Anne Flach, Hilke Brühl, Eilish Cullen, Christina Schlumbohm, Eberhard Fuchs, Christopher Linington, Alonso Barrantes-Freer, Imke Metz, Christiane Wegner, David Liebetanz, Marco Prinz, Wolfgang Brück, Christine Stadelmann, Stefan Nessler
Cortical demyelination is a widely recognized hallmark of multiple sclerosis (MS) and correlate of disease progression and cognitive decline. The pathomechanisms initiating and driving gray matter damage are only incompletely understood. Here, we determined the infiltrating leukocyte subpopulations in 26 cortical demyelinated lesions of biopsied MS patients and assessed their contribution to cortical lesion formation in a newly developed mouse model. We find that conformation-specific anti-myelin antibodies contribute to cortical demyelination even in the absence of the classical complement pathway...
April 6, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28385127/retinal-nerve-fiber-layer-thickness-and-neuropsychiatric-manifestations-in-systemic-lupus-erythematosus
#18
S Shulman, R Shorer, J Wollman, G Dotan, D Paran
Background Cognitive impairment is frequent in systemic lupus erythematosus. Atrophy of the corpus callosum and hippocampus have been reported in patients with systemic lupus erythematosus, and diffusion tensor imaging studies have shown impaired white matter integrity, suggesting that white matter damage in systemic lupus erythematosus may underlie the cognitive impairment as well as other neuropsychiatric systemic lupus erythematosus manifestations. Retinal nerve fiber layer thickness, as assessed by optical coherence tomography, has been suggested as a biomarker for white matter damage in neurologic disorders such as multiple sclerosis, Alzheimer's disease and Parkinson's disease...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28382594/the-contribution-of-necroptosis-in-neurodegenerative-diseases
#19
REVIEW
Lifei Shao, Shuping Yu, Wei Ji, Haizhen Li, Yilu Gao
Over the past decades, cell apoptosis has been significantly reputed as an accidental, redundant and alternative manner of cell demise which partakes in homeostasis in the development of extensive diseases. Nevertheless, necroptosis, another novel manner of cell death through a caspase-independent way, especially in neurodegenerative diseases remains ambiguous. The cognition of this form of cell demise is helpful to understand other forms of morphological resemblance of necrosis. Additionally, the concrete signal mechanism in the regulation of necroptosis is beneficial to the diagnosis and treatment of neurodegenerative diseases...
April 5, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28381133/randomized-controlled-trial-of-a-home-based-palliative-approach-for-people-with-severe-multiple-sclerosis
#20
Alessandra Solari, Andrea Giordano, Francesco Patti, Maria Grazia Grasso, Paolo Confalonieri, Lucia Palmisano, Michela Ponzio, Claudia Borreani, Rosalba Rosato, Simone Veronese, Paola Zaratin, Mario Alberto Battaglia
BACKGROUND: Evidence on the efficacy of palliative care in persons with severe multiple sclerosis (MS) is scarce. OBJECTIVE: To assess the efficacy of a home-based palliative approach (HPA) for adults with severe MS and their carers. METHODS: Adults with severe MS-carer dyads were assigned (2:1 ratio) to either HPA or usual care (UC). At each center, a multi-professional team delivered the 6-month intervention. A blind examiner assessed dyads at baseline, 3 months, and 6 months...
April 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
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