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Maillart, Elisabeth; Durand-Dubief, Françoise; Louapre, Céline; Audoin, Bertrand; Bourre, Bertrand; Derache, Nathalie; Ciron, Jonathan; Collongues, Nicolas; de Sèze, Jérome; Cohen, Mikael; Lebrun-Frenay, Christine; Hadhoum, Nawel; Zéphir, Hélène; Deschamps, Romain; Carra-Dallière, Clarisse; Labauge, Pierre; Kerschen, Philippe; Montcuquet, Alexis; Wiertlewski, Sandrine; Laplaud, David; Runavot, Gwenaëlle; Vukusic, Sandra; Papeix, Caroline; Marignier, Romain
Journal of neuroinflammation, 04/2020, Letnik: 17, Številka: 1Journal Article
Longitudinally extensive transverse myelitis (LETM) is classically related to aquaporin (AQP4)-antibodies (Ab) neuromyelitis optica spectrum disorders (NMOSD) or more recently to myelin oligodendrocyte glycoprotein (MOG)-Ab associated disease. However, some patients remain negative for any diagnosis, despite a large work-up including AQP4-Ab and MOG-Ab. Data about natural history, disability outcome, and treatment are limited in this group of patients. We aimed to (1) describe clinical, biological, and radiological features of double seronegative LETM patients; (2) assess the clinical course and identify prognostic factors; and (3) assess the risk of recurrence, according to maintenance immunosuppressive therapy. Retrospective evaluation of patients with a first episode of LETM, tested negative for AQP-Ab and MOG-Ab, from the French nationwide observatory study NOMADMUS. Fifty-three patients (median age 38 years (range 16-80)) with double seronegative LETM were included. Median nadir EDSS at onset was 6.0 (1-8.5), associated to a median EDSS at last follow-up of 4.0 (0-8). Recurrence was observed in 24.5% of patients in the 18 following months, with a median time to first relapse of 5.7 months. The risk of recurrence was lower in the group of patients treated early with an immunosuppressive drug (2/22, 9%), in comparison with untreated patients (10/31, 32%). A first episode of a double seronegative LETM is associated to a severe outcome and a high rate of relapse in the following 18 months, suggesting that an early immunosuppressive treatment may be beneficial in that condition.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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