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Front Neurol. 2020 Jun 16;11:537. doi: 10.3389/fneur.2020.00537. eCollection 2020.

Relapse Patterns in NMOSD: Evidence for Earlier Occurrence of Optic Neuritis and Possible Seasonal Variation.

Frontiers in neurology

Elham Khalilidehkordi, Laura Clarke, Simon Arnett, Wajih Bukhari, Sofia Jimenez Sanchez, Cullen O'Gorman, Jing Sun, Kerri M Prain, Mark Woodhall, Roger Silvestrini, Christine S Bundell, David Abernethy, Sandeep Bhuta, Stefan Blum, Mike Boggild, Karyn Boundy, Bruce J Brew, Matthew Brown, Wallace Brownlee, Helmut Butzkueven, William M Carroll, Celia Chen, Alan Coulthard, Russell C Dale, Chandi Das, Marzena J Fabis-Pedrini, David Fulcher, David Gillis, Simon Hawke, Robert Heard, Andrew P D Henderson, Saman Heshmat, Suzanne Hodgkinson, Trevor J Kilpatrick, John King, Chris Kneebone, Andrew J Kornberg, Jeannette Lechner-Scott, Ming-Wei Lin, Christopher Lynch, Richard A L Macdonell, Deborah F Mason, Pamela A McCombe, Jennifer Pereira, John D Pollard, Sudarshini Ramanathan, Stephen W Reddel, Cameron Shaw, Judith Spies, James Stankovich, Ian Sutton, Steve Vucic, Michael Walsh, Richard C Wong, Eppie M Yiu, Michael H Barnett, Allan G Kermode, Mark P Marriott, John Parratt, Mark Slee, Bruce V Taylor, Ernest Willoughby, Fabienne Brilot, Angela Vincent, Patrick Waters, Simon A Broadley

Affiliations

  1. Menzies Health Institute Queensland, Gold Coast Campus, Griffith University, Southport, QLD, Australia.
  2. Division of Immunology, HSQ Pathology Queensland Central Laboratory, Herston, QLD, Australia.
  3. Nuffield Department of Clinical Neurosciences, John Radcliffe Infirmary, University of Oxford, Oxford, United Kingdom.
  4. Department of Immunopathology, Westmead Hospital, Westmead, NSW, Australia.
  5. School of Pathology and Laboratory Medicine, University of Western Australia, Nedlands, WA, Australia.
  6. Department of Neurology, Wellington Hospital, Newtown, United Kingdom.
  7. Department of Neurology, Princess Alexandra Hospital, Woolloongabba, QLD, Australia.
  8. Department of Neurology, Townsville University Hospital, Douglas, QLD, Australia.
  9. Department of Neurology, Royal Adelaide Hospital, Adelaide, SA, Australia.
  10. Peter Duncan Neurosciences Unit, Centre for Applied Medical Research and Department of Neurology, St Vincent's Hospital, University of New South Wales, Darlinghurst, NSW, Australia.
  11. Institute of Health Biomedical Innovation, Translational Research Institute, Queensland University of Technology, Woolloongabba, QLD, Australia.
  12. Department of Neurology, Auckland City Hospital, Grafton, New Zealand.
  13. Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia.
  14. Centre for Neuromuscular and Neurological Disorders, Perron Institute for Neurological and Translational Science, Queen Elizabeth II Medical Centre, University of Western Australia, Nedlands, WA, Australia.
  15. Flinders Medical Centre, Flinders University, Bedford Park, SA, Australia.
  16. School of Medicine, Royal Brisbane and Women's Hospital, University of Queensland, Herston, QLD, Australia.
  17. Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead, NSW, Australia.
  18. Department of Neurology, Canberra Hospital, Garran, ACT, Australia.
  19. Sydney Medical School, Royal Prince Alfred Hospital, University of Sydney, Camperdown, NSW, Australia.
  20. Department of Neurology, Westmead Hospital, Westmead, NSW, Australia.
  21. South Western Sydney Medical School, Liverpool Hospital, University of New South Wales, Liverpool, NSW, Australia.
  22. Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia.
  23. Department of Neurology, Royal Melbourne Hospital, Parkville, VIC, Australia.
  24. School of Paediatrics, Royal Children's Hospital, University of Melbourne, Parkville, VIC, Australia.
  25. Hunter Medical Research Institute, University of Newcastle, Callaghan, NSW, Australia.
  26. School of Medicine, University of Auckland, Grafton, New Zealand.
  27. Department of Neurology, Austin Health, Heidelberg, VIC, Australia.
  28. Department of Neurology, Christchurch Hospital, Christchurch, New Zealand.
  29. Centre for Clinical Research, Royal Brisbane and Women's Hospital, University of Queensland, Herston, QLD, Australia.
  30. Brain Autoimmunity Group, Institute for Neuroscience and Muscle Research, The Kids Research Institute at the Children's Hospital, Westmead, NSW, Australia.
  31. Brain and Mind Research Institute, University of Sydney, Camperdown, NSW, Australia.
  32. School of Medicine, Deakin University, Waurn Ponds, VIC, Australia.
  33. Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia.
  34. Department of Neurology, St Vincent's Hospital, Darlinghurst, NSW, Australia.

PMID: 32612571 PMCID: PMC7308484 DOI: 10.3389/fneur.2020.00537

Abstract

Neuromyelitis optica spectrum disorders (NMOSD) and multiple sclerosis (MS) show overlap in their clinical features. We performed an analysis of relapses with the aim of determining differences between the two conditions. Cases of NMOSD and age- and sex-matched MS controls were collected from across Australia and New Zealand. Demographic and clinical information, including relapse histories, were recorded using a standard questionnaire. There were 75 cases of NMOSD and 101 MS controls. There were 328 relapses in the NMOSD cases and 375 in MS controls. Spinal cord and optic neuritis attacks were the most common relapses in both NMOSD and MS. Optic neuritis (

Copyright © 2020 Khalilidehkordi, Clarke, Arnett, Bukhari, Jimenez Sanchez, O'Gorman, Sun, Prain, Woodhall, Silvestrini, Bundell, Abernethy, Bhuta, Blum, Boggild, Boundy, Brew, Brown, Brownlee, Butzkueven, Carroll, Chen, Coulthard, Dale, Das, Fabis-Pedrini, Fulcher, Gillis, Hawke, Heard, Henderson, Heshmat, Hodgkinson, Kilpatrick, King, Kneebone, Kornberg, Lechner-Scott, Lin, Lynch, Macdonell, Mason, McCombe, Pereira, Pollard, Ramanathan, Reddel, Shaw, Spies, Stankovich, Sutton, Vucic, Walsh, Wong, Yiu, Barnett, Kermode, Marriott, Parratt, Slee, Taylor, Willoughby, Brilot, Vincent, Waters and Broadley.

Keywords: aquaporin; epidemiology; multiple sclerosis; neuromyelitis optica; relapse; seasonality

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