COVID-19 Impact on Patients with Immune-Mediated Rheumatic Disease: A Comparative Study of Disease Activity and Psychological Well-Being Over Six Months
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Objectives
To compare the impact of COVID-19 on clinical status and psychological condition in patients with immune-mediated rheumatic diseases (IMRD) infected by SARS-CoV-2 with IMRD controls not infected, during a 6-month follow-up.
Methods
The ReumaCoV Brasil is a longitudinal study designed to follow-up IMRD patients for 6 months after COVID-19 (cases) compared with IMRD patients no COVID-19 (controls). Clinical data, disease activity measurements and current treatment regarding IMRD, and COVID-19 outcomes were evaluated in all patients. Disease activity was assessed through validated tools at inclusion and at 3 and 6 months post-COVID-19. The FACIT -F (Functional Assessment of Chronic Illness Therapy) and DASS 21 (Depression, Anxiety and Stress Scale – 21 Items) questionnaires were also applied at 6 months after COVID-19 in both groups before large-scale vaccination. The significance level was set as p<0.05, with a 95% confidence interval.
Results
A total of 601 patients were evaluated, being 321 cases (IMRD COVID-19+) and 280 controls (IMRD COVID-19 –), predominantly female with similar median age. No significant differences were noted in demographic data between the groups, including comorbidities, disease duration, and IMRD. Disease activity assessment over a 6-month follow-up showed no significant difference between cases and controls. While mean activity scores did not differ significantly, some patients reported worsened disease activity post-COVID-19, particularly in rheumatoid arthritis (RA) (32.2%) and systemic lupus erythematosus (SLE) (23.3%). Post-COVID-19 worsening in RA patients correlated with medical global assessment (MGA) and CDAI scores, with a moderate to large effect size. Diabetes mellitus showed a positive association (OR=7.15), while TNF inhibitors showed a protective effect (OR=0.51). Comparing SLEDAI pre– and post-COVID-19, a minority showed increased scores, with few requiring treatment changes. Fatigue, depression, anxiety, and stress were significantly higher in cases compared to controls. Worsening disease activity post-COVID correlated with worsened FACIT-F and DASS-21 stress scale in RA patients. No significant associations were found between COVID-19 outcomes and post-COVID-19 disease activity or psychological assessments.
Conclusions
Post-COVID-19 IMRD patients show significant psychological well-being deterioration despite similar disease activity scores. The variability in reports on IMRD flares and the potential trigger of SARS-CoV-2 for autoimmune manifestations underline the need for detailed clinical assessment and a comprehensive approach to managing them.
