BackgroundPatients with autoimmune systemic diseases (ASDs) can be counted among frail populations as regards the predisposition to COVID-19 due to the frequent visceral organ involvement and comorbidities, as well as the ongoing immunomodulating treatments.ObjectivesOur long-term multicenter telephone survey prospectively investigated the prevalence, prognostic factors, and outcomes of COVID-19 in Italian ASD patients during the first 3 pandemic waves.MethodsA large series of 3,918 ASD patients (815 M, 3103 F; mean age 59±12SD years) was consecutively recruited at the 36 referral centers of COVID-19 & ASD Italian Study Group. In particular, ASD series encompassed the following conditions: rheumatoid arthritis (n: 981), psoriatic arthritis (n: 471), ankylosing spondylitis (n: 159), systemic sclerosis (n: 1,738), systemic lupus (172), systemic vasculitis (n: 219), and a miscellany of other ASDs (n: 178). The development of COVID-19 was recorded by means of telephone survey using standardized symptom-assessment questionnaire (1).ResultsA significantly increased prevalence of COVID-19 (8.37% vs 6.49%; p<0.0001) was observed in our ASD patients, while the cumulative death rate revealed statistically comparable to the Italian general population (3.65% vs 2.95%; p: ns). In particular, among the 328 ASD patients complicated by COVID-19, 57 (17%) needed hospitalization, while mild-moderate manifestations were observed in the large majority of individuals (83%). In addition, 12/57 hospitalized patients died due to severe interstitial pneumonia and/or cardiovascular manifestations.Interestingly, a significantly higher COVID-19-related death rate was observed in systemic sclerosis patients compared to the Italian general population (6.29% vs 2.95%; p=0.018). Other adverse prognostic factors to develop COVID-19 were the patients’ older age, male gender, pre-existing ASD-related interstitial lung involvement, and chronic steroid treatment. Conversely, patients treated with conventional synthetic disease-modifying antirheumatic drugs (csDMARDs) showed a significantly lower prevalence of COVID-19 compared to those without (3.58% vs 46.99%; p=0.000), as well as the chronic administration of low dose aspirin in a subgroup of SSc patients (with 5.57% vs without 27.84%; p=0.000).ConclusionThe cumulative impact of COVID-19 on ASD patients after the first 3 pandemic waves revealed less severe than that observed during the first phase of pandemic (1), especially with regards to the death rate that was comparable to the Italian general population in spite of the increased prevalence of complicating COVID-19 in the same ASD series.Ongoing long-term treatments, mainly csDMARDs, might usefully contribute to generally positive outcomes of in this frail patients’ population.Of note, a significantly increased COVID-19-related mortality was recorded in only SSc patients’ subgroup, possibly favored by pre-existing lung fibrosis. Among different ASD, SSc deserves special attention, since it shares the main pathological alterations with COVID-19, namely the interstitial lung involvement and the endothelial injury responsible for diffuse microangiopathy.Besides SSc, the patients’ subgroups characterized by older age, chronic steroid treatment, pre-existing interstitial lung disease, and/or impaired COVID-19 vaccine response (1-3), may deserve well-designed prevention and management strategies.References[1]Ferri C, et al. Ann Rheum Dis. 2020 Oct 14 doi: 10.1136/annrheumdis-2020-219113.[2]Ferri C et al. J Autoimmun. 2021 Dec;125:102744. doi: 10.1016/j.jaut.2021.102744.[3]Visentini M et al. Ann Rheum Dis. 2021 Nov 24. doi: 10.1136/annrheumdis-2021-221248Disclosure of InterestsNone declared
BackgroundMixed cryoglobulinaemic vasculitis (MCV) is an immune-complex-mediated systemic vasculitis characterized by heterogeneous clinical manifestations mainly involving skin, kidney and peripheral nervous system.Despite reassuring safety data from EULAR Coronavirus Vaccine (COVAX) physician-reported registry, a significant proportion of patients with autoimmune diseases reported unwillingness to get vaccinated against SARS-CoV-2 infection in the preliminary results of the COVAD study, due to concerns about the lack of long-term safety data, and fear of associated side effects and disease flare.ObjectivesAims of this multicentre Italian study were to investigate the prevalence of vaccination against SARS-CoV-2 in Italian population of MCV patients, to explore the reason for the missed vaccination, and to investigate short and long-term side effects of the vaccine, including vasculitis flare.MethodsAll MCV patients referring to 12 Italian centres were investigated about vaccination and possible both short- (within 48 hours) and long-term (within 30 days) adverse events (AE), classified according to FDA Toxicity Grading Scale for preventive vaccine clinical trials, and possible disease flares. Patients with MCV related to lymphoproliferative disorders or connective tissue diseases were excluded from the study.The baseline variables were expressed as percentages or mean±standard deviation. The differences between continuous variables were analysed using the Mann–Whitney nonparametric test. The chi-squared test, or Fischer’s exact when appropriate, were used for categorical variables (absolute numbers and percentages) regarding baseline characteristics.ResultsA total of 416 patients, 69.2% females and 30.8% males, with a mean age of 70.4±11.7 years, were included in the study.Only 7.7% of patients were not vaccinated, mainly for fear of adverse events (50%) or for medical decision (18.8%). Corminaty was the vaccine most frequently used (80.5%). Interestingly, 6 patients (1.44%) were with a heterologous vaccination (usually AstraZeneca-Corminaty).Considering ongoing treatment, not vaccinated subjects were more frequently treated with chronic glucocorticoid therapy and/or Rituximab (p=0.049 and p=0.043 respectively).AE were recorded in 31.7% of cases, mainly mild and self-limiting (grade 1). More severe adverse events, such as flare of vasculitis, were observed in 5.3% of cases.AE were not associated with the kind of vaccine used and with the clinical manifestations of vasculitis. Patients with active MCV showed a lower frequency of short-term (within 48 hours) adverse events, but patients affected by peripheral neuropathies or skin vasculitis frequently showed a flare of their symptoms, recorded in 40% and 25% of cases, respectively. Finally, patients under glucocorticoid treatment were more prone to develop a vasculitis flare within a month after vaccination.ConclusionVaccination in MCV patients has been performed in a high percentage of patients showing a good safety. Other than patients’ fear, treatments with rituximab and glucocorticoids are the main reasons for delaying vaccination, and it should be considered by the physician before starting therapy. Vasculitis flares were observed in about 5% of cases, in line with that observed in other autoimmune diseases. Specific attention should be reserved to people with purpura or peripheral neuropathy, for the increased risk of exacerbation of their symptoms.References[1]Visentini M et al Flares of mixed cryoglobulinaemia vasculitis after vaccination against SARS-CoV-2 2021[2]Machado PM et al Safety of vaccination against SARS-CoV-2 in people with rheumatic and musculoskeletal diseases: results from the EULAR Coronavirus Vaccine COVAX physician-reported registry 2021[3]Sen P et al COVAD Study Group. COVID-19 vaccination in autoimmune disease COVAD survey protocol 2022[4]Scarpato S et al Italian Group for the Study of Cryoglobulinaemia GISC. Provisional recommendations for SARS-CoV-2 vaccination in patients with cryoglobulinaemic vasculitis 2021Disclosure of InterestsNone declared
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