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A population-based prospective study of optic neuritis

Item Type:Article
Title:A population-based prospective study of optic neuritis
Creators Name:Soelberg, K. and Jarius, S. and Skejoe, H.P.B. and Engberg, H. and Mehlsen, J.J. and Nilsson, A.C. and Madsen, J.S. and Reindl, M. and Wildemann, B. and Grauslund, J. and Kyvik, K.O. and Smith, T.J. and Lillevang, S.T. and Paul, F. and Weinshenker, B.G. and Asgari, N.
Abstract:BACKGROUND: Optic neuritis (ON) is often associated with multiple sclerosis (MS). Early diagnosis is critical to optimal patient management. OBJECTIVE: To estimate the incidence of acute ON and the rates of conversion to MS and antibody-mediated ON. METHOD: Population-based prospective study was performed in patients with ON from three ophthalmological departments and 44 practicing ophthalmologists from 2014 to 2016. Ophthalmological and neurological examination, magnetic resonance imaging (MRI), determination of aquaporin-4(AQP4)-IgG and myelin-oligodendrocyte glycoprotein (MOG)-IgG were investigated blindly. RESULTS: In all, 63 patients were evaluated and 51 fulfilled the criteria for ON. All were Caucasian, with female:male ratio of 2.2:1 and a median age of 38 years (16-66); 44 (86%) had a single episode of ON (four bilateral), while 7/51 (14%) had recurrent ON. The overall age-specific incidence was 3.28 (2.44-4.31) per 100,000 person years, 2.02 for men and 4.57 for women. At follow-up, 20 patients met the diagnostic criteria for MS, MRI lesions disseminated in space and time in 17/20 patients. AQP4-IgG was detected in none, MOG-IgG was detected in two patients. CONCLUSION: The prospective incidence of ON was estimated. MRI enabled a diagnosis of MS in a subgroup of patients. Antibody-mediated ON with specificity for MOG was detected in 4% of cases.
Keywords:Epidemiology, Clinically Isolated Syndrome, Multiple Sclerosis, Neuromyelitis Optica Spectrum, Biomarkers, MRI
Source:Multiple Sclerosis Journal
Publisher:Sage Publications
Page Range:1893-1901
Date:1 December 2017
Official Publication:https://doi.org/10.1177/1352458517734070
PubMed:View item in PubMed

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