The impact of 2015 neuromyelitis optica spectrum disorders criteria on diagnostic rates
- PMID: 27553618
- DOI: 10.1177/1352458516663853
The impact of 2015 neuromyelitis optica spectrum disorders criteria on diagnostic rates
Abstract
Background: The international panel for neuromyelitis optica (NMO) diagnosis has proposed diagnostic criteria for neuromyelitis optica spectrum disorders (NMOSD).
Objectives: We assessed the impact of these criteria on diagnostic rates in a large cohort of patients.
Methods: We identified and applied the 2006 and 2015 criteria to all patients ( n = 176) seen in the NMO and non-multiple sclerosis central nervous system demyelination clinic (part of the UK NMO service) from January 2013 to May 2015.
Results: The 2006 criteria classified 63 of 176 (36%) patients as NMO. A total of 42 patients (67%) were aquaporin 4 (AQP4) immunoglobulin G (IgG) +ve and 21 (33%) AQP4 IgG -ve. The 2015 criteria classified 111 of 176 (63%) patients as NMOSD, of which 81 (73%) were AQP4 IgG +ve and 30 (27%) were AQP4 IgG -ve. There was an increase of 48 patients (76%) diagnosed as NMOSD using the new criteria.
Conclusion: Application of the 2015 criteria led to a rise in diagnosis of NMOSD by 76%. The rise in the AQP4 IgG +ve group contributed 62% and the seronegative group contributed 14%.
Keywords: Neuromyelitis optica spectrum disorders; central nervous system demyelination; criteria; multiple sclerosis.
Comment in
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Neuromyelitis optica spectrum disorder diagnostic criteria: Sensitivity and specificity are both important.Mult Scler. 2017 Feb;23(2):182-184. doi: 10.1177/1352458516688352. Epub 2017 Jan 12. Mult Scler. 2017. PMID: 28080211 No abstract available.
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