SARS-CoV-2 infection among patients with multiple sclerosis; A cross-sectional study
Abstract
Background
Neurological disability associated with multiple sclerosis and immunosuppressive or immunomodulatory therapy which is administered for it may increases the risk of SARS-CoV-2 infection and its morbidity/mortality.
Objective
In this study, we evaluated the infection rate and the severity of SARS-CoV-2 infection in patients with multiple sclerosis (MS)
Methods
One thousand and three hundred and sixty one MS patients from Fars province, south of Iran, were interviewed by phone from April 3 to June 20, 2020. Basic demographic data, information about MS disease and any symptoms or laboratory results relevant to COVID-19 were gathered and reviewed by treating neurologist and MS nurses. SPSS version 22 was used for data analysis.
Results
68 (5%) of MS patients were suspected cases and 8 (0.58%) of all patients with positive real-time reverse transcription polymerase chain reaction (RT-PCR) or chest CT were in the confirmed group. 5 cases of the confirmed group needed hospitalization. Two patients died while both of them had PPMS and were taking rituximab. The frequency rate of suspected cases with RRMS was 57 (87.7%), followed by PPMS 5 (7.7%) and CIS 2(3.1%). In the confirmed group 37.5% had RRMS, 50% had PPMS, 25% use corticosteroid drug, and 50% were on rituximab. 62.5% of confirmed cases had high disability level and need assistance to walk. 36.8% of suspected and 25% of the confirmed cases were on IFN-β1; eventually all of them recovered well from COVID-19 infection.
Conclusion
The present study showed that rate of developing COVID-19 in MS patients are similar to the general population and the frequency of PPMS phenotype, rituximab therapy and corticosteroid therapy were higher in the confirmed group.
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