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Introduction/Background Wrist synovitis is associated with more severe disease and less drug-free remission periods, therefore, the objective of this study was to investigate the demographic, disease course, and complexity of wrist disease in children being treated for Juvenile Idiopathic Arthritis (JIA). Description/Method A single-centre, retrospective case note review of all children and adolescents diagnosed with JIA, who received steroid joint injections of their wrists from 2014 to 2019. All patients received standard therapy and underwent regular follow-up at Birmingham Children’s Hospital. Inclusion criteria were those with an established diagnosis of any JIA-subtype according to the International League of Associations for Rheumatology (ILAR) classification. Patients were excluded if (i) the data were incomplete, (ii) they were over the age of 16y at diagnosis, or (iii) the eventual diagnosis was not JIA. Clinical information was gathered from case notes, departmental databases and hospital clinical systems on to a standardised proforma. Information collected were demographics, JIA subtype, immunology, age at diagnosis, disease duration, number of wrist injections and outcome of every wrist MRI performed. All treatments including intraarticular injections were administered by a paediatric Rheumatologist while MRIs were reviewed by an experienced senior Radiologist. Discussion/Results Of all 94 eligible patients, 88 (94%) were included in this study; 71 girls, with a mean age at diagnosis of 6 years (0-15 years). Wrist arthritis was more common in seronegative polyarthritis (40%) and extended oligoarthritis (23%) but least pronounced in Enthesitis-related arthritis (2%). 85 (95.6%) received Methotrexate therapy with a mean of 10 months from time of diagnosis. 77 patients (88%) required a step-up from MTX, with Etanercept (88%) being the most popular option as a first-line biologics, followed by Adalimumab (11%). All patients who had Adalimumab as a first biologics had evidence of uveitis. Wrist disease was present at diagnosis in 60/88 (68%) of our cohort. 66 patients (75%) had bilateral wrist disease. Over one-quarter of patients who developed wrist arthritis within the first year of diagnosis were young children (0-2 years). A second predominate group was adolescent (10-15 years) accounting for 33% of our cohort. The mean (IQR) duration between diagnosis and first clinical evidence of wrist synovitis was 15 months (1–17). Patients had a median of 3 years from diagnosis until development of first radiological evidence of erosive changes. 12 children (14%) from this cohort underwent a laparoscopic synovectomy for their wrist damage between 2017 and 2021, out of which 9 had polyarticular involvement while two had extended and one had persistent oligoarticular arthritis. Half of the patients reported improvement in pain and Health Assessment Questionnaire (HAQ) scores after synovectomy, while three remained stable at 0 score, and 3 had insufficient data. Key learning points/Conclusion Treatment of wrist arthritis can be challenging to both professionals and health care systems, emphasizing the need for clear steps to improve early recognition and treatment. Wrist disease at presentation was relatively common in our cohort and damage once occurred was irreversible with patients continuing to have ongoing disease activity despite optimization of their treatment. Furthermore, MRI as shown in our analysis, can accurately detect early erosive changes and inform management decision.

Background The ACR 1997, SLICC 2012 and EULAR/ACR 2019 classification criteria were validated based on adult patients. To date, there are no classification criteria specific for children with SLE. The aim of the study is to compare the performance characteristics among the three SLE classification criteria (ACR-1997, SLICC-2012 and EULAR/ACR-2019) in childhood onset SLE (cSLE) cohort of Arab ethnicity from Oman. Methods We conducted a retrospective multicenter study in Oman of cSLE patients as cases and patients with other rheumatic disease with a positive ANA titer as controls. The cSLE cases recruited were children diagnosed with SLE before 13 years of age. Data was retrospectively collected to establish the ACR-1997, SLICC-2012 and EULAR/ACR-2019 criteria fulfilled at first visit, first year follow up and last follow up. Results Study population included 113 cSLE cases (mean age at diagnosis of 7.3 ± 3.4 years with disease duration of 6.1 ± 4.6 years) and 51 controls (mean age at diagnosis 5.0 ± 3.4 with disease duration 5.7 ± 3.9). The cSLE cases had higher frequency of familial SLE than controls (38% vs 7.8%; p Conclusion In this cSLE population, EULAR/ACR 2019 scored better at initial presentation, first year and last assessment follow up. Further multinational studies are needed to validate the appropriate cut off score for the newly proposed ACR/EULAR 2019 classification criteria in cSLE to increase early sensitivity and specificity for cSLE classification.

The ACR 1997, SLICC 2012 and EULAR/ACR 2019 classification criteria were validated based on adult patients. To date, there are no classification criteria specific for children with SLE. The aim of the study is to compare the performance characteristics among the three SLE classification criteria (ACR-1997, SLICC-2012 and EULAR/ACR-2019) in childhood onset SLE (cSLE) cohort of Arab ethnicity from Oman.We conducted a retrospective multicenter study in Oman of cSLE patients as cases and patients with other rheumatic disease with a positive ANA titer as controls. The cSLE cases recruited were children diagnosed with SLE before 13 years of age. Data was retrospectively collected to establish the ACR-1997, SLICC-2012 and EULAR/ACR-2019 criteria fulfilled at first visit, first year follow up and last follow up.Study population included 113 cSLE cases (mean age at diagnosis of 7.3 ± 3.4 years with disease duration of 6.1 ± 4.6 years) and 51 controls (mean age at diagnosis 5.0 ± 3.4 with disease duration 5.7 ± 3.9). The cSLE cases had higher frequency of familial SLE than controls (38% vs 7.8%; p 0.001). The performance measures demonstrated that EULAR/ACR-2019 criteria had the highest sensitivity (81, 88, 89%) compared to ACR 1997 (49, 57, 66%) and SLICC 2012 (76, 84,86%); while the ACR 1997 had the highest specificity (96%) compared to SLICC 2012 (94%) and EULAR/ACR 2019 (90%) at first visit, first year and last assessment. When we increased the threshold score to ≥13 rather than the traditional score ≥ 10 for ACR/EULAR 2019, there was increased specificity (96%) at the expense of lower sensitivity (76, 83, and 84%) at first visit, first year and last assessment.In this cSLE population, EULAR/ACR 2019 scored better at initial presentation, first year and last assessment follow up. Further multinational studies are needed to validate the appropriate cut off score for the newly proposed ACR/EULAR 2019 classification criteria in cSLE to increase early sensitivity and specificity for cSLE classification.

Objectives: Group B streptococcus (GBS) infection is a serious disease that continues to cause high morbidity and mortality. It is one of the leading cause of sepsis; particularly meningitis, in infants and young children all around the world. In this study, we aim to identify the incidence of GBS sepsis in Omani infants less than 3 months of age who were born at Royal Hospital and who presented with clinical sepsis and positive culture. In addition, we aim to describe the clinical presentation and complications noted on admission and then on follow-up visit. Methods: This is an observational retrospective chart review study. It included all Omani infants (0–3 months) who were diagnosed to have GBS sepsis/meningitis from 2006 to 2016 at the Royal Hospital, Muscat, Sultanate of Oman. Results: There were 83,000 live births in the Royal Hospital over a period of 10 years. Thirty-eight babies had culture proven GBS infection, with an overall incidence rate of neonatal GBS of 0.46 per 1000 live births with 95% confidence intervals. There were no significant variations in the annual rates of infection during the study period, ranging from around 1–7 cases per year. Additional 5 cases of GBS sepsis presented to Royal Hospital are either through Emergency Department or as referrals from other hospitals, giving us a total of 43 cases of proven GBS infections. Out of the 43 cases, 8 were born prematurely (19%), either before (