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Optic neuritis

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https://www.readbyqxmd.com/read/29778487/clinical-characteristics-of-pediatric-optic-neuritis-with-myelin-oligodendrocyte-glycoprotein-seropositive-a-cohort-study
#1
Qian Chen, Guixian Zhao, Yongheng Huang, Zhenxin Li, Xinghuai Sun, Ping Lu, Yan San, Min Wang, Guohong Tian
BACKGROUND: The clinical characteristics of patients with pediatric optic neuritis with seropositive myelin oligodendrocyte glycoprotein antibodies in Asia have not been reported. METHODS: Patients ≤18 years old with acute onset optic neuritis were enrolled. Serum myelin oligodendrocyte glycoprotein and aquaporin-4 antibodies were detected and patients were followed-up for at least six months. The clinical features were evaluated among myelin oligodendrocyte glycoprotein-seropositive optic neuritis, aquaporin-4-seropositive optic neuritis, and double seronegative optic neuritis...
March 13, 2018: Pediatric Neurology
https://www.readbyqxmd.com/read/29773773/cuban-epidemic-neuropathy-insights-into-the-toxic-nutritional-hypothesis-through-international-collaboration
#2
Alina González-Quevedo, Rosaralis Santiesteban-Freixas, Janis T Eells, Lucimey Lima, Alfredo A Sadun
From 1991 to 1993, an epidemic of optic and peripheral neuropathy-the largest of the century-broke out in Cuba, affecting more than 50,000 people. Initially the main clinical features were decreased visual acuity, central and cecocentral scotomas, impaired color vision and absence of the papillomacular bundle. Later, peripheral and mixed optic-peripheral forms began to appear. Due to the magnitude of the epidemic, the Cuban government requested help from the international community at the 46th World Health Assembly in 1993...
April 2018: MEDICC Review
https://www.readbyqxmd.com/read/29771186/cross-modal-plasticity-among-sensory-networks-in-neuromyelitis-optica-spectrum-disorders
#3
Maria Assunta Rocca, Filippo Savoldi, Paola Valsasina, Marta Radaelli, Paolo Preziosa, Giancarlo Comi, Andrea Falini, Massimo Filippi
OBJECTIVE: To explore resting-state (RS) functional connectivity (FC) of the main sensory/motor networks of patients with neuromyelitis optica spectrum disorders (NMOSDs), clinically isolated optic neuritis (ON), and myelitis. METHODS: Clinical evaluation and RS fMRI were obtained from 28 NMOSD, 11 recurrent ON, and 12 recurrent myelitis patients and 30 healthy controls. Between-group RS FC comparisons and correlations with motor performance were assessed (SPM12) on the main sensory/motor RS networks (RSNs) identified by independent component analysis...
May 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29767815/the-effect-of-glatiramer-acetate-on-retinal-nerve-fiber-layer-thickness-in-patients-with-relapsing-remitting-multiple-sclerosis-a-longitudinal-optical-coherence-tomography-study
#4
Robert Zivadinov, Eleonora Tavazzi, Jesper Hagemeier, Ellen Carl, David Hojnacki, Channa Kolb, Bianca Weinstock-Guttman
BACKGROUND: Optical coherence tomography (OCT) is a technique that allows for the assessment of retinal nerve fiber layer thickness (RNFLT) and total macular volume (TMV), which reflect neuroaxonal integrity within the retina. As such it has been used in multiple sclerosis (MS) to study neurodegeneration. Glatiramer acetate (GA) is a widely used treatment for MS, which is suggested to have a possible neuroprotective role. OBJECTIVE: The aim of this study was to assess RFNLT and TMV changes in relapsing-remitting MS (RRMS) patients who started treatment with GA and were followed for a 24-month period...
May 16, 2018: CNS Drugs
https://www.readbyqxmd.com/read/29766684/neuromyelitis-optica-review-and-utility-of-testing-aquaporin-4-antibody-in-typical-optic-neuritis
#5
Meagan Seay, Janet C Rucker
Neuromyelitis optica (NMO) is an autoimmune, inflammatory demyelinating disorder often leading to severe vision impairment and disability. The discovery of a diagnostic biomarker, the aquaporin-4 antibody (AQP4-IgG), transformed the clinical diagnosis and treatment of NMO and broadened the spectrum of disease [NMO spectrum disorders (NMOSD)]. Though the antibody is highly sensitive and specific to NMOSD, routine testing in patients with typical optic neuritis is considered controversial. This article will provide a brief review of NMOSD and highlight the pros and cons of routine testing in typical optic neuritis...
May 16, 2018: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/29756580/subtypes-of-antiphospholipid-antibodies-in-neurologic-accidents-an-observational-study
#6
Maryam Sahebari, Maryam Rastin, Reza Boostani, Mohsen Forughipour, Kamila Hashemzadeh, Samira HaajSadeghi
OBJECTIVE: Until now, concomitant neurological manifestations and positive antiphospholipid antibodies (APA(s)) have been investigated in different manners. The most important conflicts in this field are whether those manifestations are directly related to APA(s) or not and treatment strategies. METHOD: In this study, adopting a different manner, we selected patients with a recently defined neurological problem (according to study protocol) and positive APA without any other risk factor, to compare types, amounts, and titer of APAs...
May 14, 2018: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/29754069/high-resolution-vessel-wall-mri-and-vasculopathy-related-to-herpes-zoster-ophthalmicus
#7
Jae W Song, Sam Ojeda, Javier M Romero
Varicella zoster virus is a common viral infection with over 50% of patients over the age of 80 years infected with the virus. Following reactivation, some patients succumb to complications of VZV reactivation with neurologic and optic pathway pathology such as VZV vasculopathy resulting in transient ischemic attacks, strokes, aneurysms, as well as optic neuritis. We show that high resolution vessel wall magnetic resonance imaging can aid in the diagnosis of this condition with circumferential wall thickening and enhancement of the infected vessels...
May 3, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29747362/-research-progression-of-animal-models-of-idiopathic-optic-neuritis
#8
Y X Zhang, H Yang
Idiopathic optic neuritis (ON) is an idiopathic inflammatory disease of the optic nerve. The two most common types of ON are multiple sclerosis related ON and neuromyelitis optica related ON. But so far the precise mechanisms of different types of ON have been unclear and treatments are not satisfactory. Animal disease models play critical roles in the disease mechanism research. On the other hand, with more understanding about the etiology and mechanism of ON, new models mimicking different types of ON are under development...
April 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29736281/association-of-optic-neuritis-with-cyp4f2-gene-single-nucleotide-polymorphism-and-il-17a-concentration
#9
Mantas Banevicius, Alvita Vilkeviciute, Brigita Glebauskiene, Loresa Kriauciuniene, Rasa Liutkeviciene
Background: The aetiology and pathophysiology of optic neuritis (ON) is not absolutely clear but genetic and inflammatory factors may be also involved in its development. The aim of the present study was to determine the influence of single nucleotide polymorphism (SNP) of CYP4F2 (rs1558139) and serum levels of IL-17A on ON development. Materials and Methods: Forty patients with ON and 164 control subjects were evaluated. Patients were divided by gender, also ON patients were divided into two subgroups: ON with and without multiple sclerosis (MS)...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29733809/optical-coherence-tomography-angiography-in-optic-disc-swelling
#10
Masoud Aghsaei Fard, Jalil Jalili, Alireza Sahraiyan, Hassan Khojasteh, Marjane Hejazi, Robert Ritch, Prem S Subramanian
PURPOSE: To compare optical coherence tomography angiography (OCT-A) of peripapillary total vasculature and capillaries in patients with optic disc swelling. DESIGN: Cross-sectional study. METHODS: Twenty nine eyes with acute nonarteritic anterior ischemic optic neuropathy (NAION), 44 eyes with papilledema, 8 eyes with acute optic neuritis, and 48 eyes of normal subjects were imaged using OCT-A. Peripapillary total vasculature information was recorded using a commercial vessel density map...
May 4, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29731712/baseline-brain-activity-changes-in-patients-with-single-and-relapsing-optic-neuritis
#11
Zhuoqiong Ren, Yaou Liu, Kuncheng Li, Yunyun Duan, Huang Jing, Peipeng Liang, Zheng Sun, Xiaojun Zhang, Bei Mao
Purpose : To investigate spontaneous brain activity amplitude alterations in single and relapsing optic neuritis (sON and rON, respectively) and their relationships with clinical variables. Methods : In total, 42 patients with sON, 35 patients with rON and 50 healthy volunteers were recruited. Resting-state functional Magnetic Resonance Imaging (rs-fMRI) scans were acquired for all participants and compared to investigate the changes in the amplitude of low-frequency fluctuations (ALFFs) among the three groups...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29724224/mog-encephalomyelitis-international-recommendations-on-diagnosis-and-antibody-testing
#12
REVIEW
S Jarius, F Paul, O Aktas, N Asgari, R C Dale, J de Seze, D Franciotta, K Fujihara, A Jacob, H J Kim, I Kleiter, T Kümpfel, M Levy, J Palace, K Ruprecht, A Saiz, C Trebst, B G Weinshenker, B Wildemann
Over the past few years, new-generation cell-based assays have demonstrated a robust association of autoantibodies to full-length human myelin oligodendrocyte glycoprotein (MOG-IgG) with (mostly recurrent) optic neuritis, myelitis and brainstem encephalitis, as well as with acute disseminated encephalomyelitis (ADEM)-like presentations. Most experts now consider MOG-IgG-associated encephalomyelitis (MOG-EM) a disease entity in its own right, immunopathogenetically distinct from both classic multiple sclerosis (MS) and aquaporin-4 (AQP4)-IgG-positive neuromyelitis optica spectrum disorders (NMOSD)...
May 3, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29721683/pediatric-neuromyelitis-optica-spectrum-disorders
#13
REVIEW
Grace Y Gombolay, Tanuja Chitnis
PURPOSE OF REVIEW: Neuromyelitis optica spectrum disorders (NMOSDs) are a group of inflammatory and demyelinating disorders of the central nervous system that can occur in children and adults. The classic presentation of NMOSD is characterized by optic neuritis and transverse myelitis, but other presentations are also recognized, expanding the disease as NMO spectrum disorders. The purpose of this review is to discuss the clinical features, along with management and treatment options, including potential future therapeutic options, in pediatric NMOSD...
May 2, 2018: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/29719649/a-case-of-post-encephalitic-optic-neuritis-clinical-spectrum-differential-diagnosis-and-management
#14
Ravinder Kumar, Abhishek Bhargava, Gagan Jaiswal, Viral R Soni, Bhoomika Katbamna, Arpit Vashisht
Purpose: Most cases of optic neuritis are idiopathic or are associated with multiple sclerosis. We present a case in which a young female developed post-infectious left optic neuritis following herpes simplex encephalitis (HSE). Case Report: A 24-year-old female presented with a severe headache, fever, and malaise of a one-week duration. Viral encephalitis was diagnosed and treated; intravenous acyclovir (750 mg every 8 h) was administered for 14 days. The patient improved clinically and was prescribed oral valacyclovir (1,000 mg, three times daily) for an additional 3 months as an outpatient...
April 2018: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/29716820/man-with-a-swollen-eye-nonspecific-orbital-inflammation-in-an-adult-in-the-emergency-department
#15
Xiao Chi Zhang, Brittney Statler, Selim Suner, Maureen Lloyd, David Curley, Michael E Migliori
BACKGROUND: Nonspecific orbital inflammation (NSOI) is a rare idiopathic ocular pathology characterized by unilateral, painful orbital swelling without identifiable infectious or systemic disorders, which can be complicated by optic nerve compromise. CASE REPORT: A 50-year-old man presented to the Emergency Department with recurring, progressive painless left eye swelling, decreased visual acuity, and binocular diplopia in the absence of trauma, infection, or known malignancy...
April 28, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29716788/aquaporin-4-and-myelin-oligodendrocyte-glycoprotein-autoantibody-status-predict-outcome-of-recurrent-optic-neuritis
#16
Jiraporn Jitprapaikulsan, John J Chen, Eoin P Flanagan, W Oliver Tobin, Jim P Fryer, Brian G Weinshenker, Andrew McKeon, Vanda A Lennon, Jacqueline A Leavitt, Jan-Mendelt Tillema, Claudia Lucchinetti, B Mark Keegan, Orhun Kantarci, Cheryl Khanna, Sarah M Jenkins, Grant M Spears, Jessica Sagan, Sean J Pittock
PURPOSE: To determine the aquaporin-4 and myelin oligodendrocyte glycoprotein (MOG) immunoglobulin G (IgG) serostatus and visual outcomes in patients with recurrent optic neuritis (rON) initially seeking treatment. DESIGN: Cross-sectional cohort study. PARTICIPANTS: The study identified patients by searching the Mayo Clinic computerized central diagnostic index (January 2000-March 2017). The 246 eligible patients fulfilled the following criteria: (1) initially seeking treatment for at least 2 consecutive episodes of optic neuritis (ON) and (2) serum available for testing...
April 28, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29710121/association-of-retinal-ganglion-cell-layer-thickness-with-future-disease-activity-in-patients-with-clinically-isolated-syndrome
#17
Hanna G Zimmermann, Benjamin Knier, Timm Oberwahrenbrock, Janina Behrens, Catherina Pfuhl, Lilian Aly, Miriam Kaminski, Muna-Miriam Hoshi, Svenja Specovius, René M Giess, Michael Scheel, Mark Mühlau, Judith Bellmann-Strobl, Klemens Ruprecht, Bernhard Hemmer, Thomas Korn, Friedemann Paul, Alexander U Brandt
Importance: Clinically isolated syndrome (CIS) describes a first clinical incident suggestive of multiple sclerosis (MS). Identifying patients with CIS who have a high risk of future disease activity and subsequent MS diagnosis is crucial for patient monitoring and the initiation of disease-modifying therapy. Objective: To investigate the association of retinal optical coherence tomography (OCT) results with future disease activity in patients with CIS. Design, Setting, and Participants: This prospective, longitudinal cohort study took place between January 2011 and May 2017 at 2 German tertiary referral centers...
April 23, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29704802/frequent-retinal-ganglion-cell-damage-after-acute-optic-neuritis
#18
Alexander U Brandt, Svenja Specovius, Timm Oberwahrenbrock, Hanna G Zimmermann, Friedemann Paul, Fiona Costello
BACKGROUND: To identify the extent of ganglion cell damage after first-time optic neuritis (ON) using the inter-ocular difference between affected and fellow eyes, and whether this approach is able to detect more patients suffering from ganglion cell damage than using absolute values. METHODS: Thirty-four patients with first-time unilateral ON were followed for a median 413 days. Patients underwent optical coherence tomography testing to determine ganglion cell plus inner plexiform layer thickness (GCIP)...
April 9, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29699980/neuro-ophthalmological-manifestations-of-beh%C3%A3-et-s-disease
#19
Ammr Alghamdi, Bahram Bodaghi, Chloé Comarmond, Anne Claire Desbois, Fanny Domont, Bertrand Wechsler, Raphael Depaz, Phuc Le Hoang, Patrice Cacoub, Valérie Touitou, David Saadoun
BACKGROUND: The neuro-ophthalmological manifestations of Behcet's disease (BD) are rare, and data regarding their characteristics and outcome are lacking. OBJECTIVE: To report prevalence, main characteristics and outcome of neuro-ophthalmological manifestations in BD. PATIENTS AND METHODS: This is a retrospective monocentric study of 217 patients diagnosed with neuro-Behçet's disease (NBD), of whom 29 (13.3%) patients presented with neuro-ophthalmological manifestations (55% of men and mean±SD age of 26±8 years)...
April 26, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29696616/-analysis-of-the-quantitative-differences-in-the-thickness-of-the-retinal-nerve-fibre-layer-between-time-domain-and-spectral-domain-optical-coherence-tomography-in-patients-with-relapsing-remitting-multiple-sclerosis
#20
A Gonzalez-Gomez, A Garcia-Ben, A Soler-Garcia, I Garcia-Basterra, F Padilla-Parrado, J M Garcia-Campos
INTRODUCTION: Optical coherence tomography (OCT) is a tool that is increasingly more commonly used in the study of neuro-degenerative diseases. AIMS: To analyse and correlate the thickness of the retinal nerve fibre layer (RNFL) by means of time-domain and spectral-domain OCT in patients with relapsing-remitting multiple sclerosis (MS), with and without a history of optic neuritis (ON). SUBJECTS AND METHODS: We conducted a cross-sectional study of the thickness (mean and by quadrants) of the RNFL of 15 disease-free subjects, 28 with MS with no prior history of ON and 18 with a history of ON...
May 1, 2018: Revista de Neurologia
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