Predictive factors for a severe course of COVID-19 infection in myasthenia gravis patients with an overall impact on myasthenic outcome status and survival (Letter)

Varování

Publikace nespadá pod Filozofickou fakultu, ale pod Lékařskou fakultu. Oficiální stránka publikace je na webu muni.cz.
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JAKUBIKOVA Michala TYBLOVA Michaela TESAR Adam HORÁKOVÁ Magda VLAŽNÁ Daniela RYSANKOVA Rysankova NOVAKOVA Iveta DOLECKOVA Doleckova DUSEK Dusek PITHA Jiri VOHÁŇKA Stanislav BEDNAŘÍK Josef

Rok publikování 2022
Druh Článek v odborném periodiku
Časopis / Zdroj European Journal of Neurology
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
www https://onlinelibrary.wiley.com/doi/10.1111/ene.15158
Doi http://dx.doi.org/10.1111/ene.15158
Klíčová slova corticosteroids; COVID-19; immunosuppression; myasthenia gravis; rituximab
Popis Background and purpose Myasthenia gravis (MG) patients could be a vulnerable group in the pandemic era of coronavirus 2019 (COVID-19) mainly due to respiratory muscle weakness, older age and long-term immunosuppressive treatment. We aimed to define factors predicting the severity of COVID-19 in MG patients and risk of MG exacerbation during COVID-19. Methods We evaluated clinical features and outcomes after COVID-19 in 93 MG patients. Results Thirty-five patients (38%) had severe pneumonia and we recorded 10 deaths (11%) due to COVID-19. Higher forced vital capacity (FVC) values tested before COVID-19 were shown to be protective against severe infection (95% CI 0.934-0.98) as well as good control of MG measured by the quantified myasthenia gravis score (95% CI 1.047-1.232). Long-term chronic corticosteroid treatment worsened the course of COVID-19 in MG patients (95% CI 1.784-111.43) and this impact was positively associated with dosage (p = 0.005). Treatment using azathioprine (95% CI 0.448-2.935), mycophenolate mofetil (95% CI 0.91-12.515) and ciclosporin (95% CI 0.029-2.212) did not influence the course of COVID-19. MG patients treated with rituximab had a high risk of death caused by COVID-19 (95% CI 3.216-383.971). Exacerbation of MG during infection was relatively rare (15%) and was not caused by remdesivir, convalescent plasma or favipiravir (95% CI 0.885-10.87). Conclusions As the most important predictors of severe COVID-19 in MG patients we identified unsatisfied condition of MG with lower FVC, previous long-term corticosteroid treatment especially in higher doses, older age, the presence of cancer, and recent rituximab treatment.
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