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Optic neuritis

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https://www.readbyqxmd.com/read/28527029/critical-flicker-fusion-frequency-in-demyelinating-and-ischemic-optic-neuropathies
#1
Matthew T Young, Puneet S Braich, Scott R Haines
PURPOSE: Critical flicker fusion (CFF) frequency is a well-studied test for evaluating demyelinating optic neuritis (ON). Its use in evaluating other optic neuropathies is not well established. The purpose of this study was to compare CFF in ON and non-arteritic anterior ischemic optic neuropathy (NAION). METHODS: We performed a retrospective review to compare multiple variables for eyes with ON or NAION using two-sided T tests and Chi-square tests. A multivariate linear regression was performed for the dependent variable CFF...
May 19, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28524150/-functional-examinations-of-visual-channels-clinical-aspects
#2
M V Zueva, I V Tsapenko, E P Lantukh, N M Maglakelidze
The review discusses literature data on the clinical relevance of functional assessment of magno- (M), parvo- (P), and koniocellular (K) pathways. It also covers the differential contribution of the M, P, and K channels to visual impairments and how it determines the prognosis, early diagnosis, and treatment choice in patients with neurodegenerative diseases of the retina and brain. Selective changes in the performance of the visual channels are investigated by the example of glaucoma and optic neuritis in multiple sclerosis (MS) patients...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28511578/retinal-atrophy-in-relation-to-visual-functioning-and-vision-related-quality-of-life-in-patients-with-multiple-sclerosis
#3
Lisanne J Balk, Danko Coric, Jenny A Nij Bijvank, Joep Killestein, Bernard Mj Uitdehaag, Axel Petzold
BACKGROUND: Inner retinal layer atrophy in patients with multiple sclerosis (MS) has been validated as a structural imaging biomarker for neurodegeneration. OBJECTIVE: To determine how retinal layer thickness relates to high-contrast visual acuity (HCVA), low-contrast visual acuity (LCVA) and vision-related quality of life (QoL) and to investigate the effect of previous episodes on MS-associated optic neuritis (MSON). METHODS: Spectral-domain optical coherence tomography (SD-OCT) was performed in 267 patients with MS...
May 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28503425/neuroprotective-effects-of-gypenosides-in-experimental-autoimmune-optic-neuritis
#4
Hong-Kan Zhang, Yuan Ye, Zhen-Ni Zhao, Kai-Jun Li, Yi Du, Qiu-Ming Hu, Jian-Feng He
AIM: To determine whether gypenosides have protective effects in experimental autoimmune optic neuritis (EAON). METHODS: Mice were randomly divided into seven groups: control group, model group, three different density gypenosides monotherapy, methylprednisolone monotherapy, combination of gypenosides and methylprednisolone group. The control group was subcutaneously injected with oil emulsion adjuvant and all other groups were subcutaneously immunized with an emulsified mixture of myelin oligodendrocyte glycoprotein (MOG) 35-55 peptide to induce EAON...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28503273/bilateral-optic-neuritis-with-maculopathy-a-rare-manifestation-of-dengue-fever
#5
Y L Boo, S Y Lim, P W Chin, F K Hoo
Dengue fever is a common mosquito-borne disease, which is endemic in tropical and subtropical countries. Bilateral optic neuropathy is a relatively unusual dengue-related ocular complication. Here, we present a case of bilateral optic neuritis with maculopathy complicating dengue infection.
2017: Malaysian Family Physician
https://www.readbyqxmd.com/read/28502693/prolonged-blood-brain-barrier-disruption-following-laser-interstitial-ablation-in-epilepsy-a-case-series-with-a-case-report-of-post-ablation-optic-neuritis
#6
Saint-Aaron Morris, Matthew Rollo, Patrick Rollo, Jessica Johnson, Gerald A Grant, Elliott Friedman, Giridhar Kalamangalam, Nitin Tandon
OBJECTIVE: Laser interstitial thermal therapy (LITT) has become increasingly popular for targeting epileptic foci in a minimally invasive fashion. Despite its use in more than a thousand patients, the chronic effects of photo-thermal injury on brain physiology remain poorly understood. METHODS: We prospectively followed the clinical and radiographic courses of a cohort undergoing laser ablation for focal epilepsy. Only patients with non-enhancing lesions and those who had a delayed post-operative MRI with gadolinium administration approximately 6 months after the ablation were considered...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28502610/functional-connectivity-alterations-in-a-murine-model-of-optic-neuritis
#7
Patrick W Wright, Angela S Archambault, Stacey Peek, Adam Q Bauer, Susan M Culican, Beau M Ances, Joseph P Culver, Gregory F Wu
The basis for neuronal dysfunction following inflammatory demyelination of the central nervous system (CNS) remains poorly understood. We characterized the network response to white matter injury in the anterior visual pathway using an experimental model of optic neuritis (ON), as ON is often an early manifestation of immune-mediated CNS demyelination in multiple sclerosis (MS). Optical intrinsic signal imaging was performed before and after the induction of ON in mice to measure changes in cortical network functional connectivity...
May 11, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28497312/phenytoin-neuroprotection-or-neurotoxicity
#8
REVIEW
Jan M Keppel Hesselink, David J Kopsky
Phenytoin is an 80-year young molecule and new indications are still emerging. The neuroprotective potential of phenytoin has been evaluated for decades. Recently, a positive phase II trial supported its further development in the treatment of optic neuritis in multiple sclerosis. In 1942, however, peripheral neuritis was first reported to be an adverse event of phenytoin, and since then a small but steady stream of publications discussed peripheral polyneuropathy as being a possible adverse event of phenytoin...
May 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28495143/central-and-peripheral-nervous-system-immune-mediated-demyelinating-disease-after-allogeneic-hematopoietic-stem-cell-transplantation
#9
M I Stefanou, F Bischof
OBJECTIVE: We aimed to evaluate clinical and diagnostic features of central and peripheral immune-mediated demyelinating disease (CPID) in allogeneic hematopoietic stem cell transplantation (aHSCT) recipients. BACKGROUND: CPID refers to the late-onset, immune-mediated neurological complications following aHSCT, when other frequent differential diagnoses have been ruled out, and when symptoms and signs of systemic GvHD manifestations are absent. METHODS: Case records at the University of Tuebingen, between 2001 and 2015, were screened to identify patients with CPID after aHSCT...
June 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28480312/spatially-and-temporally-regulated-nrf2-gene-therapy-using-mcp-1-promoter-in-retinal-ganglion-cell-injury
#10
Kosuke Fujita, Koji M Nishiguchi, Yukihiro Shiga, Toru Nakazawa
Retinal ganglion cell degeneration triggered by axonal injury is believed to underlie many ocular diseases, including glaucoma and optic neuritis. In these diseases, retinal ganglion cells are affected unevenly, both spatially and temporally, such that healthy and unhealthy cells coexist in different patterns at different time points. Herein, we describe a temporally and spatially regulated adeno-associated virus gene therapy aiming to reduce undesired off-target effects on healthy retinal neurons. The Mcp-1 promoter previously shown to be activated in stressed retinal ganglion cells following murine optic nerve injury was combined with the neuroprotective intracellular transcription factor Nrf2...
June 16, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28477397/etiologies-of-acute-demyelinating-optic-neuritis-an-observational-study-of-110-patients
#11
R Deschamps, A Lecler, C Lamirel, J Aboab, A Gueguen, C Bensa, C Vignal, O Gout
BACKGROUND AND PURPOSE: New criteria for the diagnosis of multiple sclerosis (MS) and discovery of myelin oligodendrocyte glycoprotein (MOG) or aquaporin-4 (AQP4) antibodies (Abs) have changed the management of optic neuritis (ON). Our aim was to specify, in view of these recent advances, the etiologies of acute demyelinating ON for consecutive patients. METHODS: Retrospective database analysis was undertaken of consecutive adult patients with acute ON admitted from 1 December 2014 to 31 January 2016...
May 6, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28471902/recurrent-optic-neuritis-associated-with-mog-antibody-seropositivity
#12
Thashi Chang, Patrick Waters, Mark Woodhall, Angela Vincent
INTRODUCTION: Optic neuritis (ON) can be the first manifestation of autoimmune central nervous system diseases such as multiple sclerosis and neuromyelitis optica, but it can also occur as an isolated monophasic or relapsing disease. A proportion of these patients have antibodies against myelin oligodendrocyte glycoprotein (MOG). We report a case of recurrent ON with MOG antibodies in a South Asian patient. CASE REPORT: A 50-year-old Sri Lankan female with a previous history of 2 episodes of steroid-responsive ON presented with a 20/120 visual impairment of her right eye...
May 2017: Neurologist
https://www.readbyqxmd.com/read/28469990/isolated-palatal-weakness-without-optic-neuritis-as-the-presenting-manifestation-of-multiple-sclerosis-and-its-diagnostic-dilemma-with-acute-disseminated-encephalomyelitis-in-a-young-boy
#13
Virti D Shah, Sumeet Prakash Mirgh, Nirmal Surya
We present a case of a young boy who at initial presentation was diagnosed as acute disseminated encephalomyelitis (ADEM) but subsequently on follow-up was diagnosed as multiple sclerosis (MS). Differentiating ADEM from MS in their first presentation can be tricky as the features may not be typical of anyone. The importance lies in the close follow-up of these patients.
April 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28465700/neuromyelitis-optica-spectrum-disease-characteristics-in-isfahan-iran-a-cross-sectional-study
#14
Fereshte Ashtari, Ali Safaei, Vahid Shaygannejad, Mohammad Amin Najafi, Sahar Vesal
BACKGROUND: Neuromyelitis optica spectrum disease (NMOSD) is a severe autoimmune demyelinating disorder of the central nervous system that throughout epidemiological data, it has not been completely determined. The aim of this study was to assess characteristics of NMOSD patients in Isfahan as one of the most prevalent cities for multiple sclerosis in Iran. MATERIALS AND METHODS: Forty-five patients diagnosed as neuromyelitis optica (NMO) disease through 5 years enrolled in this study...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28463636/evaluation-of-optic-neuritis-following-human-papillomavirus-vaccination
#15
Gayathri Sridhar, Fang Tian, Richard Forshee, Martin Kulldorff, Nandini Selvam, Andrea Sutherland, Wilson Bryan, Samuel Barone, Lei Xu, Hector S Izurieta
To assess the relationship between human papillomavirus (HPV) vaccination and occurrence of optic neuritis (ON) and to evaluate a claims-based algorithm for identification of ON. Females of 9-26 year olds in the HealthCore's Integrated Research Database (HIRD(SM)) with and without claims evidence of HPV vaccination between 2007 and 2012 were included in this study. Potential ON cases were identified using the claims-based algorithm, positive predictive value (PPV) was determined using medical chart review...
May 2, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28449695/intermediate-uveitis-pattern-of-etiology-complications-treatment-and-outcome-in-a-tertiary-academic-center
#16
Thomas Ness, Daniel Boehringer, Sonja Heinzelmann
BACKGROUND: Patients with intermediate uveitis (IU) represent a heterogenous group characterized by a wide spectrum of etiologies and regional differences. Aim of the study was to analyze the characteristics of patients with IU examined in an academic center in Germany. METHODS: We conducted a retrospective analysis of the clinical records of all patients with intermediate uveitis referred to the Eye Center, University of Freiburg from 2007 to 2014. Diagnosis followed the Standardization in Uveitis Nomenclature (SUN) criteria...
April 27, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28440255/clinical-profile-and-neuroimaging-in-pediatric-optic-neuritis-in-indian-population-a-case-series
#17
Rutika Khadse, Meenakshi Ravindran, Neelam Pawar, Padmavathy Maharajan, Ramakrishnan Rengappa
PURPOSE OF THE STUDY: The purpose of this study was to report clinical features, neuroimaging, and visual outcome in pediatric optic neuritis (ON) in Indian population. MATERIALS AND METHODS: This is a retrospective study of children up to the age of 16 years, diagnosed with ON, that presented at pediatric and neuroophthalmology clinic of a tertiary eye care center, in South India, within the period of 2010-2015. RESULTS: We identified 62 eyes of 40 children diagnosed as ON within the study period...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28439957/prognostic-indicators-in-pediatric-clinically-isolated-syndrome
#18
Pietro Iaffaldano, Marta Simone, Giuseppe Lucisano, Angelo Ghezzi, Gabriella Coniglio, Vincenzo Brescia Morra, Giuseppe Salemi, Francesco Patti, Alessandra Lugaresi, Guillermo Izquierdo, Roberto Bergamaschi, Jose Antonio Cabrera-Gomez, Carlo Pozzilli, Enrico Millefiorini, Raed Alroughani, Cavit Boz, Eugenio Pucci, Giovanni Bosco Zimatore, Patrizia Sola, Giacomo Lus, Davide Maimone, Carlo Avolio, Eleonora Cocco, Seyed Aidin Sajedi, Gianfranco Costantino, Pierre Duquette, Vahid Shaygannejad, Thor Petersen, Ricardo Fernández Bolaños, Damiano Paolicelli, Carla Tortorella, Tim Spelman, Lucia Margari, Maria Pia Amato, Giancarlo Comi, Helmut Butzkueven, Maria Trojano
OBJECTIVE: To assess prognostic factors for a second clinical attack and a first disability worsening event in pediatric clinically isolated syndrome (pCIS) suggestive of Multiple Sclerosis (MS) patients. METHODS: A cohort of 770 pCIS patients was followed-up for at least 10 years. Cox proportional hazard models and RECursive Partitioning and AMalgamation (RECPAM) tree-regression were used to analyze data. RESULTS: In pCIS, female sex and a multifocal onset were risk factors for a second clinical attack (HR, 95% CI: 1...
April 25, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28436607/visual-complaints-in-intracranial-germinomas
#19
Didier Frappaz, Claire Pedone, Philippe Thiesse, Alexandru Szathmari, Cécile Faure Conter, Carmine Mottolese, Christian Carrie
OBJECTIVE: Patients with brain tumors often report having visual complaints. This may be due to increased intracranial pressure, compression/invasion of the optic pathway or diplopia. We assessed the incidence and the etiology of visual symptoms in patients with intracranial germinoma tumors (ICGTs). METHODS AND MATERIALS: We performed a blinded retrospective review of the clinical charts and the initial magnetic resonance imaging (MRI) of 28 patients with ICGT...
April 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28434139/neurological-manifestations-of-atypical-celiac-disease-in-childhood
#20
Çiğdem Genç Sel, Erhan Aksoy, Ayşe Aksoy, Deniz Yüksel, Ferda Özbay
Various typical and atypical neurological manifestations can be seen as the initial symptoms of celiac disease (CD). We suggest that gluten toxicity is the most suspicious triggering risk factor for probable pathophysiological pathways of neurological involvement in atypical CD. The medical charts of 117 patients diagnosed with atypical CD were retrieved from a tertiary center in Ankara, Turkey. Eight patients reported as having neurologic manifestations as initiating symptoms were evaluated in detail. The initial neurological manifestations of CD in our study included atypical absence, which was reported first in this study, generalized tonic-clonic seizures, complex partial seizures, severe axial hypotonia and down phenotype, multifocal leukoencephalopathy, mild optic neuritis, attention deficit hyperactivity disorder, and short duration headaches...
April 22, 2017: Acta Neurologica Belgica
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