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Optic Nerve Topography in Multiple Sclerosis Diagnosis

2021; Lippincott Williams & Wilkins; Volume: 96; Issue: 4 Linguagem: Inglês

10.1212/wnl.0000000000011339

1526-632X

Ángela Vidal‐Jordana, Àlex Rovira, Georgina Arrambide, Susana Otero‐Romero, Jordi Río, Manuel Comabella, Carlos Nos, Joaquín Castilló, Ingrid Galán, Sergio Cabello, Dulce Moncho, Kimia Rahnama, Vanessa Thonon, Breogán Rodrı́guez‐Acevedo, Ana Zabalza, Luciana Midaglia, Cristina Auger, Jaume Sastre‐Garriga, Xavier Montalbán, Mar Tintoré,

Systemic Lupus Erythematosus Research

To assess the added value of the optic nerve region (by using visual evoked potentials [VEPs]) to the current diagnostic criteria.From the Barcelona clinically isolated syndrome (CIS) cohort, patients with complete information to assess dissemination in space (DIS), the optic nerve region, and dissemination in time at baseline (n = 388) were selected. Modified DIS (modDIS) criteria were constructed by adding the optic nerve to the current DIS regions. The DIS and modDIS criteria were evaluated with univariable Cox proportional hazard regression analyses with the time to the second attack as the outcome. A subset of these patients who had at least 10 years of follow-up or a second attack occurring within 10 years (n = 151) were selected to assess the diagnostic performance. The analyses were also performed according to CIS topography (optic neuritis vs non-optic neuritis).The addition of the optic nerve as a fifth region improved the diagnostic performance by slightly increasing the accuracy (2017 DIS 75.5%, modDIS 78.1%) and the sensitivity (2017 DIS 79.2%, modDIS 82.3%) without lowering the specificity (2017 DIS 52.4%, modDIS 52.4%). When the analysis was conducted according to CIS topography, the modDIS criteria performed similarly in both optic neuritis and non-optic neuritis CIS.The addition of the optic nerve, assessed by VEP, as a fifth region in the current DIS criteria slightly improves the diagnostic performance because it increases sensitivity without losing specificity.