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Article Abstract
Background: Managing long COVID in people with multiple sclerosis and related disorders (pwMSRD) is complex due to overlapping symptoms. To address evidence gaps, we evaluated long COVID susceptibility in pwMSRD versus controls and its associations with multi-domain function and disability.
Methods: In this multicenter cross-sectional study, participants completed a survey covering 71 post-infection symptoms, distinguishing new-onset from worsening symptoms. We defined long COVID using the 2024 NASEM criteria. Logistic regression assessed long COVID odds. Linear and Poisson regression evaluated associations with function and disability.
Results: 969 pwMSRD (82.5% female, mean age 51.8 years, 63.5% infected) and 1,003 controls (79.4% female, mean age 45.2 years, 61.2% infected) were included. PwMSRD had higher odds of long COVID (aOR=1.6 [1.2-2.1]), with a stronger association when restricting to worsening symptoms (aOR=2.3 [1.7-3.1]). Having long COVID was associated with worse physical function, cognition, and depression in both groups. PwMSRD with long COVID experienced greater physical function declines and more depression severity exacerbation than controls, and had faster disability progression compared to those without long COVID.
Conclusion: PwMSRD show increased susceptibility to long COVID, primarily driven by worsening symptoms. Long COVID contributes to more functional decline and disability worsening. Recognizing and managing long COVID is essential in pwMSRD.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12140528 | PMC |
| http://dx.doi.org/10.1101/2024.12.20.24319365 | DOI Listing |
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