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Neurology

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https://www.readbyqxmd.com/read/28515274/beyond-clinical-syndromes-in-primary-progressive-aphasia-seeking-etiologic-diagnoses
#1
EDITORIAL
David S Knopman, Peter J Nestor
No abstract text is available yet for this article.
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515273/thalamus-as-a-hub-to-predict-outcome-after-epilepsy-surgery
#2
EDITORIAL
Barbara C Jobst, Gregory D Cascino
No abstract text is available yet for this article.
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515272/racial-disparities-in-neurologic-health-care-access-and-utilization-in-the-united-states
#3
Altaf Saadi, David U Himmelstein, Steffie Woolhandler, Nicte I Mejia
OBJECTIVE: To evaluate racial and ethnic differences in the utilization of neurologic care across a wide range of neurologic conditions in the United States. METHODS: We analyzed nationally representative data from the 2006-2013 Medical Expenditure Panel Survey (MEPS), including information on demographics, patient-reported health conditions, neurology visit rates, and costs. Using diagnostic codes, we identified persons with any self-identified neurologic disorder except back pain, as well as 5 subgroups (Parkinson disease, multiple sclerosis, headache, cerebrovascular disease, and epilepsy)...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515271/imaging-based-selection-of-patients-for-acute-stroke-treatment-is-it-ready-for-prime-time
#4
EDITORIAL
Emmanuel Carrera, Max Wintermark
No abstract text is available yet for this article.
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515270/evaluation-of-hyperacute-infarct-volume-using-aspects-and-brain-ct-perfusion-core-volume
#5
Jelle Demeestere, Carlos Garcia-Esperon, Pablo Garcia-Bermejo, Fouke Ombelet, Patrick McElduff, Andrew Bivard, Mark Parsons, Christopher Levi
OBJECTIVE: To compare the accuracy of Alberta Stroke Program Early Computed Tomography Score (ASPECTS) and CT perfusion to detect established infarction in acute anterior circulation stroke. METHODS: We performed an observational study in 59 acute anterior circulation ischemic stroke patients who underwent brain noncontrast CT, CT perfusion, and MRI within 100 minutes from CT imaging. ASPECTS scores were calculated by 4 blinded vascular neurologists. The accuracy of ASPECTS and CT perfusion core volume to detect an acute MRI diffusion lesion of ≥70 mL was evaluated using receiver operating characteristics analysis and optimum cutoff values were calculated using Youden J...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515269/effect-of-omega-3-supplementation-on-neuropathy-in-type-1-diabetes-a-12-month-pilot-trial
#6
Evan J H Lewis, Bruce A Perkins, Leif E Lovblom, Richard P Bazinet, Thomas M S Wolever, Vera Bril
OBJECTIVE: To test the hypothesis that 12 months of seal oil omega-3 polyunsaturated fatty acids (ω-3 PUFA) supplementation will stop the known progression of diabetic sensorimotor polyneuropathy (DSP) in type 1 diabetes mellitus (T1DM). METHODS: Individuals with T1DM and evidence of DSP as determined by a Toronto Clinical Neuropathy Score ≥1 were recruited to participate in a single-arm, open-label trial of seal oil ω-3 PUFA supplementation (10 mL·d(-1); 750 mg eicosapentaenoic acid, 560 mg docosapentaenoic acid, and 1,020 mg docosahexaenoic acid) for 1 year...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515268/benefits-pitfalls-and-future-design-of-population-based-registers-in-neurodegenerative-disease
#7
REVIEW
James P K Rooney, Carol Brayne, Katy Tobin, Giancarlo Logroscino, M Maria Glymour, Orla Hardiman
Population-based disease registers identify and characterize all cases of disease, including those that might otherwise be neglected. Prospective population-based registers in neurodegeneration are necessary to provide comprehensive data on the whole phenotypic spectrum and can guide planning of health services. With the exception of the rare disease amyotrophic lateral sclerosis, few complete population-based registers exist for neurodegenerative conditions. Incomplete ascertainment, limitations and uncertainty in diagnostic categorization, and failure to recognize sources of bias reduce the accuracy and usefulness of many registers...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515267/presurgical-thalamic-hubness-predicts-surgical-outcome-in-temporal-lobe-epilepsy
#8
Xiaosong He, Gaelle E Doucet, Dorian Pustina, Michael R Sperling, Ashwini D Sharan, Joseph I Tracy
OBJECTIVE: To characterize the presurgical brain functional architecture presented in patients with temporal lobe epilepsy (TLE) using graph theoretical measures of resting-state fMRI data and to test its association with surgical outcome. METHODS: Fifty-six unilateral patients with TLE, who subsequently underwent anterior temporal lobectomy and were classified as obtaining a seizure-free (Engel class I, n = 35) vs not seizure-free (Engel classes II-IV, n = 21) outcome at 1 year after surgery, and 28 matched healthy controls were enrolled...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515266/total-small-vessel-disease-score-and-risk-of-recurrent-stroke-validation-in-2-large-cohorts
#9
Kui Kai Lau, Linxin Li, Ursula Schulz, Michela Simoni, Koon Ho Chan, Shu Leong Ho, Raymond Tak Fai Cheung, Wilhelm Küker, Henry Ka Fung Mak, Peter M Rothwell
OBJECTIVE: In patients with TIA and ischemic stroke, we validated the total small vessel disease (SVD) score by determining its prognostic value for recurrent stroke. METHODS: Two independent prospective studies were conducted, one comprising predominantly Caucasian patients with TIA/ischemic stroke (Oxford Vascular Study [OXVASC]) and one predominantly Chinese patients with ischemic stroke (University of Hong Kong [HKU]). Cerebral MRI was performed and assessed for lacunes, microbleeds, white matter hyperintensities (WMH), and perivascular spaces (PVS)...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515265/clinical-marker-for-alzheimer-disease-pathology-in-logopenic-primary-progressive-aphasia
#10
Lucia A A Giannini, David J Irwin, Corey T McMillan, Sharon Ash, Katya Rascovsky, David A Wolk, Vivianna M Van Deerlin, Edward B Lee, John Q Trojanowski, Murray Grossman
OBJECTIVE: To determine whether logopenic features of phonologic loop dysfunction reflect Alzheimer disease (AD) neuropathology in primary progressive aphasia (PPA). METHODS: We performed a retrospective case-control study of 34 patients with PPA with available autopsy tissue. We compared baseline and longitudinal clinical features in patients with primary AD neuropathology to those with primary non-AD pathologies. We analyzed regional neuroanatomic disease burden in pathology-defined groups using postmortem neuropathologic data...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28500227/neurofilament-markers-for-als-correlate-with-extent-of-upper-and-lower-motor-neuron-disease
#11
Koen Poesen, Maxim De Schaepdryver, Beatrice Stubendorff, Benjamin Gille, Petra Muckova, Sindy Wendler, Tino Prell, Thomas M Ringer, Heidrun Rhode, Olivier Stevens, Kristl G Claeys, Goedele Couwelier, Ann D'Hondt, Nikita Lamaire, Petra Tilkin, Dimphna Van Reijen, Sarah Gourmaud, Nadin Fedtke, Bianka Heiling, Matthias Rumpel, Annekathrin Rödiger, Anne Gunkel, Otto W Witte, Claire Paquet, Rik Vandenberghe, Julian Grosskreutz, Philip Van Damme
OBJECTIVE: To determine the diagnostic performance and prognostic value of phosphorylated neurofilament heavy chain (pNfH) and neurofilament light chain (NfL) in CSF as possible biomarkers for amyotrophic lateral sclerosis (ALS) at the diagnostic phase. METHODS: We measured CSF pNfH and NfL concentrations in 220 patients with ALS, 316 neurologic disease controls (DC), and 50 genuine disease mimics (DM) to determine and assess the accuracy of the diagnostic cutoff value for pNfH and NfL and to correlate with other clinical parameters...
May 12, 2017: Neurology
https://www.readbyqxmd.com/read/28500226/mr-perfusion-lesions-after-tia-or-minor-stroke-are-associated-with-new-infarction-at-7-days
#12
Jun Lee, Manabu Inoue, Michael Mlynash, Sharanpal K Mann, Carlo W Cereda, Michael Ke, Gregory W Albers, Jean M Olivot
OBJECTIVE: To investigate the relationship between acute perfusion-weighted imaging (PWI) lesions occurring within the first hours after a TIA or a minor brain infarction (BI) and the incidence of new BI detected on a systematic MRI at 1 week. METHODS: Consecutive patients who experienced a TIA or BI with a neurologic deficit that lasted <24 hours, did not receive any revascularization therapy (thrombolysis/thrombectomy), and underwent DWI/PWI at baseline and fluid-attenuated inversion recovery (FLAIR)/DWI 1 week after symptom onset were enrolled...
May 12, 2017: Neurology
https://www.readbyqxmd.com/read/28500225/zika-virus-infection-associated-acute-transient-polyneuritis
#13
Osvaldo J M Nascimento, Jennifer A Frontera, Daniel A Amitrano, Ana M Bispo de Filippis, Ivan R F Da Silva
No abstract text is available yet for this article.
May 12, 2017: Neurology
https://www.readbyqxmd.com/read/28500224/evaluating-the-safety-of-%C3%AE-interferons-in-ms-a-series-of-nested-case-control-studies
#14
Hilda J I de Jong, Elaine Kingwell, Afsaneh Shirani, Jan Willem Cohen Tervaert, Raymond Hupperts, Yinshan Zhao, Feng Zhu, Charity Evans, Mia L van der Kop, Anthony Traboulsee, Paul Gustafson, John Petkau, Ruth Ann Marrie, Helen Tremlett
OBJECTIVE: To examine the association between interferon-β (IFN-β) and potential adverse events using population-based health administrative data in British Columbia, Canada. METHODS: Patients with relapsing-remitting multiple sclerosis (RRMS) who were registered at a British Columbia Multiple Sclerosis Clinic (1995-2004) were eligible for inclusion and were followed up until death, absence from British Columbia, exposure to a non-IFN-β disease-modifying drug, or December 31, 2008...
May 12, 2017: Neurology
https://www.readbyqxmd.com/read/28490656/role-of-habenula-and-amygdala-dysfunction-in-parkinson-disease-patients-with-punding
#15
Vladana Markovic, Federica Agosta, Elisa Canu, Alberto Inuggi, Igor Petrovic, Iva Stankovic, Francesca Imperiale, Tanja Stojkovic, Vladimir S Kostic, Massimo Filippi
OBJECTIVE: To assess whether a functional dysregulation of the habenula and amygdala, as modulators of the reward brain circuit, contributes to Parkinson disease (PD) punding. METHODS: Structural and resting-state functional MRI were obtained from 22 patients with PD punding, 30 patients with PD without any impulsive-compulsive behavior (ICB) matched for disease stage and duration, motor impairment, and cognitive status, and 30 healthy controls. Resting-state functional connectivity of the habenula and amygdala bilaterally was assessed using a seed-based approach...
May 10, 2017: Neurology
https://www.readbyqxmd.com/read/28490655/practice-guideline-summary-reducing-brain-injury-following-cardiopulmonary-resuscitation-report-of-the-guideline-development-dissemination-and-implementation-subcommittee-of-the-american-academy-of-neurology
#16
Romergryko G Geocadin, Eelco Wijdicks, Melissa J Armstrong, Maxwell Damian, Stephan A Mayer, Joseph P Ornato, Alejandro Rabinstein, José I Suarez, Michel T Torbey, Richard M Dubinsky, Jason Lazarou
OBJECTIVE: To assess the evidence and make evidence-based recommendations for acute interventions to reduce brain injury in adult patients who are comatose after successful cardiopulmonary resuscitation. METHODS: Published literature from 1966 to August 29, 2016, was reviewed with evidence-based classification of relevant articles. RESULTS AND RECOMMENDATIONS: For patients who are comatose in whom the initial cardiac rhythm is either pulseless ventricular tachycardia (VT) or ventricular fibrillation (VF) after out-of-hospital cardiac arrest (OHCA), therapeutic hypothermia (TH; 32-34°C for 24 hours) is highly likely to be effective in improving functional neurologic outcome and survival compared with non-TH and should be offered (Level A)...
May 10, 2017: Neurology
https://www.readbyqxmd.com/read/28490654/early-skin-denervation-in-hereditary-and-iatrogenic-transthyretin-amyloid-neuropathy
#17
Teruaki Masuda, Mitsuharu Ueda, Genki Suenaga, Yohei Misumi, Masayoshi Tasaki, Ayane Izaki, Yukako Yanagisawa, Yasuteru Inoue, Hiroaki Motokawa, Sayaka Matsumoto, Mayumi Mizukami, Aiko Arimura, Takahisa Deguchi, Yoshihiko Nishio, Taro Yamashita, Yukihiro Inomata, Konen Obayashi, Yukio Ando
OBJECTIVE: To elucidate early skin denervation in hereditary transthyretin (TTR) amyloidosis and iatrogenic TTR amyloidosis. METHODS: We investigated intraepidermal nerve fiber density (IENFD) and clinical findings in 32 patients with hereditary TTR amyloidosis, 11 asymptomatic mutation carriers, 6 patients with iatrogenic TTR amyloidosis, and 23 healthy volunteers. RESULTS: IENFD values were reduced in patients with the V30M mutation (1.9 ± 2...
May 10, 2017: Neurology
https://www.readbyqxmd.com/read/28490653/prospective-association-between-%C3%AE-2-microglobulin-levels-and-ischemic-stroke-risk-among-women
#18
Pamela M Rist, Monik C Jiménez, Kathryn M Rexrode
OBJECTIVE: To determine whether elevated β2-microglobulin (B2M) levels were associated with an increased risk of incident ischemic stroke events among women. METHODS: We performed a nested case-control study among women enrolled in the Nurses' Health Study who provided blood samples between 1989 and 1990 and were free of prior stroke and cancer. We measured B2M levels in 473 ischemic strokes cases confirmed by medical record review and in 473 controls matched 1:1 to the cases on age, race, date of blood collection, menopausal status, postmenopausal hormone use, and smoking status...
May 10, 2017: Neurology
https://www.readbyqxmd.com/read/28490652/restless-legs-syndrome-losing-sleep-over-the-placebo-response
#19
EDITORIAL
Andrew Feigin
No abstract text is available yet for this article.
May 10, 2017: Neurology
https://www.readbyqxmd.com/read/28490651/effects-of-mci-subtype-and-reversion-on-progression-to-dementia-in-a-community-sample
#20
Liesbeth Aerts, Megan Heffernan, Nicole A Kochan, John D Crawford, Brian Draper, Julian N Trollor, Perminder S Sachdev, Henry Brodaty
OBJECTIVE: We sought to understand the trajectory of mild cognitive impairment (MCI) better by examining longitudinally different MCI subtypes and progression to dementia and reversion to normal cognition in a community sample. METHODS: We evaluated the stability of MCI subtypes and risk of dementia over 4 biennial assessments as part of an ongoing prospective cohort study, the Sydney Memory and Ageing Study. RESULTS: While prevalence of MCI and different MCI subtypes remains relatively stable across all assessments, reversion from MCI and transitions between different MCI subtypes were common...
May 10, 2017: Neurology
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