Multiple sclerosis (Houndmills, Basingstoke, England) · 2024
Investigation of health care use and a possible prodrome before the first attack in NMOSD and MOGAD.
Название и аннотация: Перевод в очереди
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Rotstein DL, Freedman MS, Konig A, Lee L, Luo J, Maxwell C, Morrow SA, Tremlett H, Vyas MV, Marrie RA
Аннотация
BACKGROUND: Prodromal phases are well recognized in many inflammatory and neurodegenerative diseases, including multiple sclerosis. We evaluated the possibility of a prodrome in aquaporin-4 antibody positive (AQP4+) neuromyelitis optica spectrum disorder (NMOSD) and myelin oligodendrocyte glycoprotein antibody disease (MOGAD) using health administrative data.
METHODS: We investigated individuals with AQP4 + NMOSD and MOGAD, confirmed by medical chart review, in Ontario, Canada. Each NMOSD and MOGAD participant was matched 1:5 to general population controls by sex, birth year, immigrant status, and region. Total outpatient visits and hospitalizations were compared in the 5 years preceding the incident attack in multivariable negative binomial models.
RESULTS: We identified 96 people with AQP4 + NMOSD, matched to 479 controls, and 61 people with MOGAD, matched to 303 controls. In the 5 years preceding the incident attack, health care use was elevated for outpatient visits and hospitalizations for the NMOSD cohort (adjusted rate ratio (aRR): 1.47; 95% confidence interval (CI): 1.25-1.73; aRR: 1.67; 95% CI: 1.19-2.36, respectively) but not for MOGAD. Rate ratios steadily increased in NMOSD for outpatient visits in the 2 years preceding the incident attack.
CONCLUSION: Our findings support a prodromal phase preceding clinical onset of AQP4 + NMOSD. Earlier recognition and management of NMOSD patients may be possible.
METHODS: We investigated individuals with AQP4 + NMOSD and MOGAD, confirmed by medical chart review, in Ontario, Canada. Each NMOSD and MOGAD participant was matched 1:5 to general population controls by sex, birth year, immigrant status, and region. Total outpatient visits and hospitalizations were compared in the 5 years preceding the incident attack in multivariable negative binomial models.
RESULTS: We identified 96 people with AQP4 + NMOSD, matched to 479 controls, and 61 people with MOGAD, matched to 303 controls. In the 5 years preceding the incident attack, health care use was elevated for outpatient visits and hospitalizations for the NMOSD cohort (adjusted rate ratio (aRR): 1.47; 95% confidence interval (CI): 1.25-1.73; aRR: 1.67; 95% CI: 1.19-2.36, respectively) but not for MOGAD. Rate ratios steadily increased in NMOSD for outpatient visits in the 2 years preceding the incident attack.
CONCLUSION: Our findings support a prodromal phase preceding clinical onset of AQP4 + NMOSD. Earlier recognition and management of NMOSD patients may be possible.