In this JSLE population, the SLICC criteria performed best in terms of sensitivity and accuracy at the first visit and within the first year of follow-up.
Background: To date there are no specific classification criteria for childhood-onset systemic lupus erythematosus (cSLE). This study aims to compare the performance among the American College of Rheumatology (ACR) 1997, the Systemic Lupus International Collaborating Clinics criteria (SLICC) and the new European League Against Rheumatism (EULAR)/ACR criteria, in a cSLE cohort. Methods: We conducted a medical chart review study of cSLE cases and controls with defined rheumatic diseases, both ANA positive, to establish each ACR1997, SLICC and EULAR/ACR criterion fulfilled, at first visit and 1-yearfollow-up. Results: Study population included 122 cSLE cases and 89 controls. At first visit, SLICC criteria had higher sensitivity than ACR 1997 (89.3% versus 70.5%, p < 0.001), but similar specificity (80.9% versus 83.2%, p = 0.791), however performance was not statistically different at 1-year-follow-up. SLICC better scored in specificity compared to EULAR/ACR score ≥ 10 at first visit (80.9% versus 67.4%, p = 0.008) and at 1-year (76.4% versus 58.4%, p = 0.001), although sensitivities were similar. EULAR/ACR criteria score ≥ 10 exhibited higher sensitivity than ACR 1997 (87.7% versus 70.5%, p < 0.001) at first visit, but comparable at 1-year, whereas specificity was lower at first visit (67.4% versus 83.2%, p = 0.004) and 1-year (58.4% versus 76.4%, p = 0.002). A EULAR/ACR score ≥ 13 against a score ≥ 10, resulted in higher specificity, positive predictive value, and cutoff point accuracy. Compared to SLICC, a EULAR/ACR score ≥ 13 resulted in lower sensitivity at first visit (76.2% versus 89.3%, p < 0.001) and 1-year (91% versus 97.5%, p = 0.008), but similar specificities at both assessments. When compared to ACR 1997, a EULAR/ACR total score ≥ 13, resulted in no differences in sensitivity and specificity at both observation periods. Conclusions: In this cSLE population, SLICC criteria better scored at first visit and 1-year-follow-up. The adoption of a EULAR/ACR total score ≥ 13 in this study, against the initially proposed ≥10 score, was most appropriate to classify cSLE. Further studies are necessary to address if SLICC criteria might allow fulfillment of cSLE classification earlier in disease course and may be more inclusive of cSLE subjects for clinical studies.
Objective To evaluate if the 2019-European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) criteria at diagnosis of childhood-onset systemic lupus erythematosus (cSLE) are associated with higher rates of early damage scored by Systemic Lupus International Collaborating Clinics/American College of Rheumatology (SLICC/ACR) Damage Index (SDI). Methods This retrospective multicenter study included 670 cSLE patients with ≤5 years of disease duration. All patients fulfilled both 2019-EULAR/ACR and 1997-ACR classification criteria. Total score of 2019-EULAR/ACR criteria and each of its specific domains were assessed at diagnosis as predictors of damage accrual at the last visit, according to the presence of any organ damage (defined by SDI ≥ 1). Results Median disease duration was 2.8 (IQR 1.8–3.8) years and 200 (29.9%) patients had at least one organ damage (SDI ≥ 1). The most frequent domains were neuropsychiatric (12%), renal (7%), and musculoskeletal (6%). There was a higher frequency of renal (58% vs 43%, p = 0.0004) and neuropsychiatric domain (21% vs 7%, p < 0.0001) of 2019-EULAR/ACR criteria in patients with damage (SDI ≥ 1) compared to those without damage (SDI = 0). Patients scoring renal or neuropsychiatric domains of the 2019-EULAR/ACR criteria at diagnosis were associated with renal damage (odds ratio 9.701, 95% confidence interval 3.773–24.941, p < 0.001) or neuropsychiatric damage (OR 9.480, 95% CI 5.481–16.399, p<0.0001) at latest visit, respectively. cSLE patients with positive anti-dsDNA at diagnosis were also associated with renal damage by the latest visit (OR 2.438, 95% CI 1.114–5.3381, p = 0.021). Constitutional, hematologic, mucocutaneous, serosal, and musculoskeletal domains and specific criteria as well as other immunologic criteria were not associated with damage accrual. Median of SLEDAI-2K was significantly higher in patients with global damage (19.5 (2–51) vs 14 (0–51), p<0.001). 2019-EULAR/ACR score >25 was associated with more overall (SDI ≥ 1) (38% vs 25%, p = 0.0002) and renal damage (11% vs 5%, p = 0.023). Conclusions The 2019-EULAR/ACR criteria at diagnosis were associated with a higher rate of early damage in cSLE patients, especially for renal and neuropsychiatric damage. Of note, damage was particularly associated with high disease activity at diagnosis and 2019-EULAR/ACR score >25.
Relapsing polychondritis (RP) is a rare autoimmune systemic disease, especially in childhood. To report three new pediatric RP cases, to provide a literature review and to compare with adulthood disease, retrospective data collection from three childhood RP cases was observed in a Brazilian Pediatric Rheumatology Division. A literature review based on a MEDLINE database search was performed. Arthritis and auricular chondritis were present in our three patients. Two cases presented with early and severe laryngotracheal chondritis, besides initial and symptomatic costochondritis. The other case developed prominent epiphyseal plate involvement. Two patients were refractory to corticosteroids and immunosuppressants and required the use of TNF-alpha inhibitors to improve the symptoms, while corticosteroids plus methotrexate induced remission in the other patient. The literature review showed 44 cases of pediatric-onset disease in English language. Arthritis and ear chondritis are the most common initial and cumulative manifestations of RP in children and adults. Nasal and laryngotracheobronchial chondritis are also common manifestations observed during follow-up in childhood. There is also an early severity of respiratory chondritis in childhood, requiring aggressive treatment with corticosteroids, immunosuppressants and biologic agents. The data presented by those 3 children, considered in conjunction with the data from the 44 published cases, may reflect some distinguishing childhood RP features, such as more severe and frequent respiratory tract involvement, symptomatic costochondritis and the atypical pattern of persistent and destructive arthritis with epiphyseal plate involvement. Response to immunosuppressants and biologic agents is anecdotal, but steroids remain the main drug during the flares.
0-10). Utilities were measured with the EuroQoL (EQ-5D utility ) (range 0-1). A time-integrated summary score defined the clinical effects (BASFI-AUC) and utilities (EQ-5D utility -AUC) over time. Both direct (health care and non-health care) and indirect costs were included. Resource utilisation and absence from paid work were registered weekly by the patients in a diary. All costs were calculated from a societal perspective. Results 111 patients completed the diary (group 1 n = 38; group 2 n = 36; control group n = 37). The between-group difference (95% CI) for the BASFI-AUC was 1.0 (0.4 to 1.6; p = 0.001) for group 1 versus controls, and 0.6 (0.1 to 1.1; p = 0.020) for group 2 versus controls. The between-group difference for the EQ-5D utility -AUC was 0.17 (0.09 to 0.25; p < 0.001) for group 1 versus controls, and 0.08 (0.00 to 0.15; p = 0.04) for group 2 versus controls. The mean total costs per patient (including costs for spa therapy) during the study period were ?3023 for group 1, ?3240 for group 2, and ?1754 for the control group. The incremental cost-effectiveness ratio was ? 1269 per unit effect gained in functional ability for group 1, and ?2477 for group 2. The costs per QALY gained were ?7465 for group 1 and ?18575 for group 2. Conclusion Combined spa-exercise therapy is more effective and shows favourable cost-effectiveness and cost-utility ratios compared to weekly group physical therapy alone in patients with ankylosing spondylitis.
BackgroundTo date there are no specific classification criteria for childhood-onset systemic lupus erythematosus (cSLE).ObjectivesThis study aims to compare the performance among the American College of Rheumatology (ACR) 1997, the Systemic Lupus International Collaborating Clinics criteria (SLICC) and the new European League Against Rheumatism (EULAR)/ACR criteria, in a cSLE cohort.MethodsData were retrospectively collected from medical charts of cSLE cases and controls with defined rheumatic diseases, both ANA positive, to establish each ACR1997, SLICC and EULAR/ACR criterion fulfilled, at first visit and 1-year-follow-up.Results122 cSLE cases and 89 controls were included. At first visit, SLICC criteria had greater sensitivity than ACR 1997 (89.3% versus 70.5%, p < 0.001), but similar specificity (80.9% versus 83.2%, p = 0.791), however performance was not statistically different at 1-year-follow-up. SLICC performed better in specificity compared to EULAR/ACR score ≥ 10 at first visit (80.9% versus 67.4%, p = 0.008) and 1-year (76.4% versus 58.4%, p = 0.001), although sensitivities were similar at both times. EULAR/ACR criteria score ≥10 exhibited greater sensitivity than ACR 1997 (87.7% versus 70.5%, p < 0.001) at first visit, but comparable at 1-year, whereas specificity was lower at first visit (67.4% versus 83.2%, p = 0.004) and 1-year (58.4% versus 76.4%, p = 0.002). A EULAR/ACR score ≥13 against a score ≥10, resulted in higher specificity, positive predictive value, and cut-off point accuracy. Compared to SLICC, a EULAR/ACR score ≥ 13 resulted in lower sensitivity at first visit (76.2% versus 89.3%, p < 0.001) and 1-year (91% versus 97.5%, p = 0.008), but similar specificities at both periods. When compared to ACR 1997, a EULAR/ACR total score ≥ 13, resulted in no differences in sensitivity and specificity at both times.ConclusionIn this cSLE population, SLICC criteria performed best at first visit and 1-year-follow-up. The adoption of a EULAR/ACR total score ≥ 13, against the initially proposed ≥10 score, was most appropriate to classify cSLE in our study. Further studies are necessary to address if SLICC might allow cSLE classification earlier in disease course and be more inclusive of cSLE subjects for clinical studies.References[1] Tedeschi SK, Johnson SR, Boumpas DA, Daikh D, Dörner T, Jayne D, et al. Developing and Refining New Candidate Criteria for SLE Classification: An International Collaboration. Arthritis Care Res (Hoboken)2018; 70:571-581.[2] Leuchten N, Hoyer A, Brinks R, Schoels M, Schneider M, Smolen J, et al. Performance of Anti-nuclear Antibodies for Classifying Systemic Lupus Erythematosus: a Systematic Literature Review and Meta-regression of Diagnostic Data. Arthritis Care Res (Hoboken)2018; 70:428-438.[3] Aringer M, Costenbader KH, Brinks R, Boumpas D, Daikh D, Jayne D, et al. Validation of New Systemic Lupus Erythematosus Classification Criteria. In: 2018 ACR/AHRP Annual Meeting; Chicago, Illinois, 20-24 October 2018. https://acrabstracts.org. Accessed 24 Oct 2018.Disclosure of Inte...
Background Multisystem Inflammatory Syndrome in Children (MIS-C) is a life-threatening complication of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, which manifests as a hyper inflammatory process with multiorgan involvement in predominantly healthy children in the weeks following mild or asymptomatic coronavirus disease 2019 (COVID-19). However, host monogenic predisposing factors to MIS-C remain elusive. Methods Herein, we used whole exome sequencing (WES) on 16 MIS-C Brazilian patients to identify single nucleotide/InDels variants as predisposition factors associated with MIS-C. Results We identified ten very rare variants in eight genes (FREM1, MPO, POLG, C6, C9, ABCA4, ABCC6, and BSCL2) as the most promising candidates to be related to a higher risk of MIS-C development. These variants may propitiate a less effective immune response to infection or trigger the inflammatory response or yet a delayed hyperimmune response to SARS-CoV-2. Protein–Protein Interactions (PPIs) among the products of the mutated genes revealed an integrated network, enriched for immune and inflammatory response mechanisms with some of the direct partners representing gene products previously associated with MIS-C and Kawasaki disease (KD). In addition, the PPIs direct partners are also enriched for COVID-19-related gene sets. HLA alleles prediction from WES data allowed the identification of at least one risk allele in 100% of the MIS-C patients. Conclusions This study is the first to explore host MIS-C-associated variants in a Latin American admixed population. Besides expanding the spectrum of MIS-C-associated variants, our findings highlight the relevance of using WES for characterising the genetic interindividual variability associated with COVID-19 complications and ratify the presence of overlapping/convergent mechanisms among MIS-C, KD and COVID-19, crucial for future therapeutic management.
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