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High-risk syndrome for neuromyelitis optica: a descriptive and comparative study.
MedLine Citation:
PMID:  21239412     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Background: Neuromyelitis optica (NMO) frequently begins with a monofocal episode of optic neuritis or myelitis. A concept named high-risk syndrome (HRS) for NMO has been proposed for patients with monofocal episodes and NMO-IgG antibodies. Objective: To describe HRS patients and compare them with NMO patients. Methods: We identified 30 patients with HRS: 18 with extensive myelitis (HRM) and 12 with optic neuritis (HRON), in a database pooling patients from 25 centres in France. Clinical, laboratory/magnetic resonance imaging (MRI) data and outcome were analysed and compared with a national cohort of 125 NMO patients extracted from the same database. Results: Mean follow-up was 4.8 years. Mean age at onset was 42.8 years (range: 12.4-70) with a female:male ratio of 0.9. Asymptomatic lesions were report on visual evoked potentials in 4/8 tested HRM patients and on spinal cord MRI in 2/7 HRON patients. Three patients died, two owing to a cervical lesion. HRS and NMO patients had similar clinical/paraclinical data, except for a predominance of men in the HRS group and a later mean age at onset in the HRM subgroup. Conclusion: The description of HRS patients is compatible with a monofocal form of NMO. Asymptomatic lesions could be included in a new set of NMO diagnostic criteria.
Authors:
N Collongues; R Marignier; H Zéphir; F Blanc; S Vukusic; O Outteryck; M Fleury; A Ruet; F Borgel; E Thouvenot; T Moreau; G Defer; N Derache; J Pelletier; B Audoin; M Debouverie; P Labauge; O Gout; W Camu; D Brassat; B Brochet; P Vermersch; C Confavreux; J de Seze
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-14
Journal Detail:
Title:  Multiple sclerosis (Houndmills, Basingstoke, England)     Volume:  -     ISSN:  1477-0970     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9509185     Medline TA:  Mult Scler     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Strasbourg University Hospital, Strasbourg, France.
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