Covid 19 in Patients with Rheumatic Diseases

ABSTRACT

Objectives: BIOBADAGUAY is the Paraguayan/Uruguayan registry of adverse events in patients with inflammatory rheumatic conditions under biologic therapy (BT). Three years have elapsed from the first case of coronavirus and data about South American patients with COVID are still scarce. In this study we analyzed the frequency and clinical outcomes of COVID-19 in a cohort of patients with rheumatic diseases from Paraguay. Method(s) A cross sectional study of Paraguayan patients with rheumatic diseases from BIOBADAGUAY and controls without BT. Clinical, epidemiological, and COVID-19 data were analyzed. Only cases confirmed by SARSCoV-2 positive PCR test were included. Descriptive analysis were performed for this study. Result(s) 832 patients were included (696 under BT and 136 controls). 116 (13.9%) had COVID-19. 22 had a second infection and 9 a third reinfection. Table 1 shows characteristic of COVID-19 patients. The most frequent diagnosis was rheumatoid arthritis (n = 93, 80.2%) followed by ankylosing spondylitis (n = 6, 5.2%), undifferentiated spondylarthritis (n = 5, 4.3%), psoriatic arthritis (n = 4, 3.4%), juvenile onset arthritis (n = 2, 1.7%), vasculitis (n = 2, 1.7%). Only 1 case (0.8%) were registered for Still's disease, enteropathic spondylarthritis, systemic sclerosis and seronegative polyarthritis, respectively. When comorbidities were analyzed, 46 (39.6%) patients had at least one (Table 1). Of the total treatments received 65 (56.0%) had methotrexate, 53 (45.7%) leflunomide, 3 (2.5%) sulfasalazine, 15 (12.9%) hydroxychloroquine, 25 (21.5%) glucocorticoid, 52 (44.8%) anti-TNF and 20 (17.2%) non-anti-TNF. COVID-19 severity outcomes were 101(87%) non severe, 31 (26.7%) severe and 1 fatal(0.8%). 189 (90.9%) patients received vaccination and the mean number of doses were 2.5 doses. 55 (26.4%) had COVID prior to vaccination Conclusion(s) In this study we examined the frequency of COVID-19 in Paraguayan patients with rheumatic diseases. In this cohort of rheumatologic patients, COVID 19 severity was similar to the one in the general population.