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OBJECTIVE: Our objectives were to quantify the relationships among fatigue, pain interference, and physical disability in children with juvenile idiopathic arthritis (JIA) and to test whether fatigue mediates the relationship between pain interference and physical disability in JIA. METHODS: Patients enrolled within three months of JIA diagnosis in the Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) Registry between February 2017 and May 2023 were included. Their parents completed the Patient-Reported Outcomes Measurement Information System fatigue and pain interference short proxy questionnaires and the Childhood Health Assessment Questionnaire disability index at registry enrollment. Associations were assessed using Pearson correlations and multiple linear regression. Structural equation modeling (SEM) was used to test if fatigue mediates the relationship between pain interference and physical disability. RESULTS: Among 855 patients (61.4% female, 44.1% with oligoarthritis), most reported fatigue and pain interference scores similar to those in the reference population, but 15.6% reported severe fatigue and 7.3% reported severe pain interference, with wide variation across JIA categories. Fatigue was strongly correlated with pain interference (r = 0.72, P < 0.001) and with physical disability (r = 0.60, P < 0.001). Pain interference (ß = 0.027, P < 0.001) and fatigue (ß = 0.013, P < 0.001) were both associated with physical disability after controlling for each other and potential confounders. SEM supported our hypothesis that fatigue partially mediates the relationship between pain interference and physical disability. CONCLUSION: Our findings suggest both fatigue and pain interference are independently associated with physical disability in children newly diagnosed with JIA, and the effect of pain interference may be partly mediated by fatigue.
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OBJECTIVE: Using Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) juvenile idiopathic arthritis (JIA) registry data, we describe (1) clinical characteristics of patients with JIA transitioning to adult care, (2) prevalence of disease-related damage and complications, and (3) changes in disease activity during the final year prior to transfer. METHODS: Registry participants who turned 17 years between February 2017 and November 2021 were included. Clinical characteristics and patient-reported outcomes (PROs) at the last recorded pediatric rheumatology visit, and changes observed in the year prior to that visit were analyzed. Physicians completed an additional questionnaire characterizing cumulative disease-related damage and adverse events by age 17 years. RESULTS: At their last visit, 88 of 131 participants (67%) had inactive and 42 (32%) had active disease. Overall, 96 (73%) were on medications and 41 (31%) were on biologic disease-modifying antirheumatic drugs. Among 80 participants for whom the additional questionnaire was completed, 26% had clinically detected joint damage, 31% had joint damage on imaging, 14% had uveitis, and 7.5% had experienced at least 1 serious adverse event. During the final year, 44.2% of patients were in remission, 28.4% attained inactive disease, and 27.4% became or remained active. Mean scores of PROs were stable overall during that last year, but a minority reported marked worsening. CONCLUSION: A substantial proportion of youth with JIA transitioning to adult care in Canada had a high disease burden, which was reflected by their degree of disease activity, joint damage, or ongoing medication use. These results will inform pediatric and adult providers of anticipated needs during transition of care.
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Antirreumáticos , Artrite Juvenil , Reumatologia , Adulto , Humanos , Adolescente , Criança , Artrite Juvenil/tratamento farmacológico , Canadá , Antirreumáticos/uso terapêutico , Sistema de RegistrosRESUMO
BACKGROUND: Paediatric inflammatory multisystem syndrome (PIMS) is a rare condition temporally associated with SARS-CoV-2 infection. Using national surveillance data, we compare presenting features and outcomes among children hospitalized with PIMS by SARS-CoV-2 linkage, and identify risk factors for intensive care (ICU). METHODS: Cases were reported to the Canadian Paediatric Surveillance Program by a network of >2800 pediatricians between March 2020 and May 2021. Patients with positive versus negative SARS-CoV-2 linkages were compared, with positive linkage defined as any positive molecular or serologic test or close contact with confirmed COVID-19. ICU risk factors were identified with multivariable modified Poisson regression. RESULTS: We identified 406 children hospitalized with PIMS, including 49.8% with positive SARS-CoV-2 linkages, 26.1% with negative linkages, and 24.1% with unknown linkages. The median age was 5.4 years (IQR 2.5-9.8), 60% were male, and 83% had no comorbidities. Compared to cases with negative linkages, children with positive linkages experienced more cardiac involvement (58.8% vs. 37.4%; p < 0.001), gastrointestinal symptoms (88.6% vs. 63.2%; p < 0.001), and shock (60.9% vs. 16.0%; p < 0.001). Children aged ≥6 years and those with positive linkages were more likely to require ICU. CONCLUSIONS: Although rare, 30% of PIMS hospitalizations required ICU or respiratory/hemodynamic support, particularly those with positive SARS-CoV-2 linkages. IMPACT: We describe 406 children hospitalized with paediatric inflammatory multisystem syndrome (PIMS) using nationwide surveillance data, the largest study of PIMS in Canada to date. Our surveillance case definition of PIMS did not require a history of SARS-CoV-2 exposure, and we therefore describe associations of SARS-CoV-2 linkages on clinical features and outcomes of children with PIMS. Children with positive SARS-CoV-2 linkages were older, had more gastrointestinal and cardiac involvement, and hyperinflammatory laboratory picture. Although PIMS is rare, one-third required admission to intensive care, with the greatest risk amongst those aged ≥6 years and those with a SARS-CoV-2 linkage.
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COVID-19 , SARS-CoV-2 , Humanos , Masculino , Criança , Pré-Escolar , Feminino , COVID-19/epidemiologia , COVID-19/terapia , Canadá/epidemiologia , Síndrome de Resposta Inflamatória Sistêmica/diagnóstico , Síndrome de Resposta Inflamatória Sistêmica/epidemiologiaRESUMO
OBJECTIVE: Musculoskeletal ultrasound (MSUS) is increasingly being used in the evaluation of pediatric musculoskeletal diseases. In order to provide objective assessments of arthritis, reliable MSUS scoring systems are needed. Recently, joint-specific scoring systems for arthritis of the pediatric elbow, wrist, and finger joints were proposed by the Childhood Arthritis and Rheumatology Research Alliance (CARRA) MSUS workgroup. This study aimed to assess the reliability of these scoring systems when used by sonographers with different levels of expertise. METHODS: Members of the CARRA MSUS workgroup attended training sessions for scoring the elbow, wrist, and finger. Subsequently, scoring exercises of B mode and power Doppler (PD) mode still images for each joint were performed. Interreader reliability was determined using 2-way single-score intraclass correlation coefficients (ICCs) for synovitis and Cohen [Formula: see text] for tenosynovitis. RESULTS: Seventeen pediatric rheumatologists with different levels of MSUS expertise (1-15 yrs) completed a 2-hour training session and calibration exercise for each joint. Excellent reliability (ICC > 0.75) was found after the first scoring exercise for all the finger and elbow views evaluated on B mode and PD mode, and for all of the wrist views on B mode. After a second training session and a scoring exercise, the wrist PD mode views reached excellent reliability as well. CONCLUSION: The preliminary CARRA MSUS scoring systems for assessing arthritis of the pediatric elbow, wrist, and finger joints demonstrate excellent reliability among pediatric MSUS sonographers with different levels of expertise. With further validation, this reliable joint-specific scoring system could serve as a clinical tool and scientific outcome measure.
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Artrite Juvenil , Punho , Humanos , Criança , Articulações dos Dedos , Cotovelo , Reprodutibilidade dos Testes , Ultrassonografia/métodos , Articulações/diagnóstico por imagemRESUMO
OBJECTIVE: The clinical decision-making process in paediatric arthritis lacks an objective, reliable bedside imaging tool. The aim of this study was to develop a US scanning protocol and assess the reliability of B-mode and Doppler scoring systems for inflammatory lesions of the paediatric ankle. METHODS: As part of the Childhood Arthritis and Rheumatology Research Alliance (CARRA) US group, 19 paediatric rheumatologists through a comprehensive literature review developed a set of standardized views and scoring systems to assess inflammatory lesions of the synovial recesses as well as tendons of the paediatric ankle. Three rounds of scoring of still images were followed by one practical exercise. Agreement among raters was assessed using two-way single score intraclass correlation coefficients (ICC). RESULTS: Of the 37 initially identified views to assess the presence of ankle synovitis and tenosynovitis, nine views were chosen for each B-mode and Doppler mode semi-quantitative evaluation. Several scoring exercises and iterative modifications resulted in a final highly reliable scoring system: anterior tibiotalar joint ICC: 0.93 (95% CI 0.92, 0.94), talonavicular joint ICC: 0.86 (95% CI 0.81, 0.90), subtalar joint ICC: 0.91 (95% CI 0.88, 0.93) and tendons ICC: 0.96 (95% CI 0.95, 0.97). CONCLUSION: A comprehensive and reliable paediatric ankle US scanning protocol and scoring system for the assessment of synovitis and tenosynovitis were successfully developed. Further validation of this scoring system may allow its use as an outcome measure for both clinical and research applications.
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Artrite Reumatoide , Sinovite , Tenossinovite , Humanos , Criança , Tenossinovite/diagnóstico por imagem , Tornozelo , Reprodutibilidade dos Testes , Ultrassonografia/métodos , Sinovite/diagnóstico por imagemRESUMO
OBJECTIVE: To identify differences between baseline Canadian JIA practices and the 2019 ACR guidelines for JIA. METHODS: Canadian paediatric rheumatologists were surveyed for their opinions on reasonable a priori target adherence rates for JIA guideline recommendations. Prospectively collected data for 266 newly diagnosed children from 2017 to 2019 were analysed to calculate observed adherence rates. Kaplan-Meier survival curves were used to estimate the cumulative incidence of starting synthetic or biologic DMARDs (sDMARD or bDMARD, respectively) for different patient groups. RESULTS: A total of 25/61 (41%) eligible physicians answered the survey. Most survey respondents (64%) felt that adherence targets should vary depending on the strength of the recommendation and quality of evidence, from a mean of 84% for strong recommendations with high-quality evidence to 29% for conditional recommendations with very low-quality evidence. Data showed 13/19 (68%) recommendations would have met proposed targets and 10/19 (53%) had ≥80% observed adherence. Exceptions were the use of subcutaneous vs oral MTX (53%) and infrequent treatment escalation from NSAIDs to bDMARDs in patients with sacroiliitis (31%) or enthesitis (0%). By 12 weeks, 95% of patients with polyarthritis received sDMARDs, 38% of patients with systemic JIA received bDMARDs and 22% of patients with sacroiliitis received bDMARDs. CONCLUSION: Canadian paediatric rheumatology practices were in line with many 2019 JIA guideline recommendations before their publication, except for frequent use of oral MTX and infrequent direct escalation from NSAIDs to bDMARDs in sacroiliitis and enthesitis.
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Antirreumáticos , Artrite Juvenil , Entesopatia , Reumatologia , Sacroileíte , Criança , Humanos , Artrite Juvenil/diagnóstico , Canadá , Antirreumáticos/uso terapêutico , Anti-Inflamatórios não Esteroides/uso terapêutico , Sistema de Registros , Entesopatia/tratamento farmacológico , Metotrexato/uso terapêutico , Resultado do TratamentoRESUMO
Background: Children living with chronic comorbid conditions are at increased risk for severe COVID-19, though there is limited evidence regarding the risks associated with specific conditions and which children may benefit from targeted COVID-19 therapies. The objective of this study was to identify factors associated with severe disease among hospitalized children with COVID-19 in Canada. Methods: We conducted a national prospective study on hospitalized children with microbiologically confirmed SARS-CoV-2 infection via the Canadian Paediatric Surveillance Program (CPSP) from April 2020-May 2021. Cases were reported voluntarily by a network of >2800 paediatricians. Hospitalizations were classified as COVID-19-related, incidental infection, or infection control/social admissions. Severe disease (among COVID-19-related hospitalizations only) was defined as disease requiring intensive care, ventilatory or hemodynamic support, select organ system complications, or death. Risk factors for severe disease were identified using multivariable Poisson regression, adjusting for age, sex, concomitant infections, and timing of hospitalization. Findings: We identified 544 children hospitalized with SARS-CoV-2 infection, including 60·7% with COVID-19-related disease and 39·3% with incidental infection or infection control/social admissions. Among COVID-19-related hospitalizations (n=330), the median age was 1·9 years (IQR 0·1-13·3) and 43·0% had chronic comorbid conditions. Severe disease occurred in 29·7% of COVID-19-related hospitalizations (n=98/330 including 60 admitted to intensive care), most frequently among children aged 2-4 years (48·7%) and 12-17 years (41·3%). Comorbid conditions associated with severe disease included pre-existing technology dependence requirements (adjusted risk ratio [aRR] 2·01, 95% confidence interval [CI] 1·37-2·95), body mass index Z-scores ≥3 (aRR 1·90, 95% CI 1·10-3·28), neurologic conditions (e.g. epilepsy and select chromosomal/genetic conditions) (aRR 1·84, 95% CI 1·32-2·57), and pulmonary conditions (e.g. bronchopulmonary dysplasia and uncontrolled asthma) (aRR 1·63, 95% CI 1·12-2·39). Interpretation: While severe outcomes were detected at all ages and among patients with and without comorbidities, neurologic and pulmonary conditions as well as technology dependence were associated with increased risk of severe COVID-19. These findings may help guide vaccination programs and prioritize targeted COVID-19 therapies for children. Funding: Financial support for the CPSP was received from the Public Health Agency of Canada.
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OBJECTIVE: The COVID-19 pandemic has disrupted healthcare delivery and clinical research worldwide, with data from areas most affected demonstrating an impact on rheumatology care. This study aimed to characterize the impact of the pandemic on the initial presentation of JIA and JIA-related research in Canada. METHODS: Data collected from the Canadian Alliance of Pediatric Rheumatology Investigators JIA Registry from the year pre-pandemic (11 March 2019 to 10 March 2020) was compared with data collected during the first year of the pandemic (11 March 2020 to 10 March 2021). Outcomes included time from symptom onset to first assessment, disease severity at presentation and registry recruitment. Proportions and medians were used to describe categorical and continuous variables, respectively. RESULTS: The median time from symptom onset to first assessment was 138 (IQR 64-365) days pre-pandemic vs 146 (IQR 83-359) days during the pandemic. The JIA category frequencies remained overall stable (44% oligoarticular JIA pre-pandemic, 46.8% pandemic), except for systemic JIA (12 cases pre-pandemic, 1 pandemic). Clinical features, disease activity (cJADAS10), disability (CHAQ) and quality of life (JAQQ) scores were similar between the two cohorts. Pre-pandemic, 225 patients were enrolled, compared with 111 in the pandemic year, with the greatest decrease from March to June 2020. CONCLUSIONS: We did not observe the anticipated delay in time to presentation or increased severity at presentation, suggesting that, within Canada, care adapted well to provide support to new patient consults without negative impacts. The COVID-19 pandemic was associated with an initial 50% decrease in registry enrolment but has since improved.
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Artrite Juvenil , COVID-19 , Artrite Juvenil/diagnóstico , Artrite Juvenil/epidemiologia , COVID-19/epidemiologia , Canadá/epidemiologia , Criança , Humanos , Pandemias , Qualidade de Vida , Sistema de RegistrosRESUMO
OBJECTIVE: To describe the frequency and severity of parent-reported medication side effects (SEs) in children with juvenile idiopathic arthritis (JIA) relative to physician-reported actionable adverse events (AEs), and to assess their impact on health-related quality of life (HRQoL). METHODS: Newly diagnosed JIA patients recruited between 2017 and 2019 to the Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) Registry were included. Parents reported presence and severity (0 = no problem, 10 = very severe) of medication SEs at every clinic visit. Physicians were asked to report any actionable AE. HRQoL was assessed using the Quality of My Life (QoML) questionnaire (0 = the worst, 10 = the best) and parent's global assessment (0 = very well, 10 = very poor). Analyses included proportion of visits with SEs or actionable AEs, cumulative incidence by Kaplan-Meier methods, and HRQoL impact measured with longitudinal mixed-effects models. RESULTS: SEs were reported at 371 of 884 (42%) visits (95% confidence interval [95% CI] 39, 45%) in 249 patients, with a median of 2 SEs per visit (interquartile range [IQR] 1-3), and median severity of 3 (IQR 1.5-5). Most SEs were gastrointestinal (32.5% of visits) or behavioral/psychiatric (22.4%). SE frequency was lowest with nonsteroidal antiinflammatory drugs alone (34.7%) and highest with prednisone and methotrexate combinations (66%). SE cumulative incidence was 67% (95% CI 59, 75) within 1 year of diagnosis, and 36% (95% CI 28, 44) for actionable AEs. Parent global and QoML scores were worse with SEs present; the impact persisted after adjusting for pain and number of active joints. CONCLUSION: Parents report that two-thirds of children with JIA experience SEs impacting their HRQoL within 1 year of diagnosis. SE mitigation strategies are needed in managing JIA.
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Artrite Juvenil , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos , Artrite Juvenil/diagnóstico , Artrite Juvenil/tratamento farmacológico , Artrite Juvenil/epidemiologia , Canadá/epidemiologia , Criança , Humanos , Metotrexato/efeitos adversos , Pais , Prednisona/uso terapêutico , Qualidade de Vida/psicologiaRESUMO
PURPOSE: Ocular manifestations of immunoglobulin G4 (IgG4)-related disease are common in children although remain ill-defined because of the disease's rarity. We describe a pediatric case of IgG4-related orbital disease (IgG4-ROD) who presented with persistent conjunctival infiltration before developing lacrimal gland enlargement 3 years later. METHODS: This was a case report. RESULTS: An 8-year-old girl developed forniceal salmon-patch-like conjunctival lesions in her left eye that were refractory to topical corticosteroids. Investigations, including an orbital MRI and 2 conjunctival biopsies, were negative for lymphoma. She was treated with topical corticosteroids and then nonsteroidal antiinflammatory drops. The lesions decreased mildly, and no new lesion emerged. After 3 years, the patient developed a ptosis, new salmon-patch conjunctival lesions, and papillae. Vision deteriorated to 20/80 because of severe punctate epithelial erosions in the left eye, and the Schirmer test was significantly reduced. A repeat MRI revealed an enlarged left lacrimal gland. A biopsy was performed and was compatible with IgG4-ROD. An elevated IgG4 level of 4.61 g/L was also found. The patient was successfully treated with oral prednisone but flared on tapering the dosage. Rituximab was therefore initiated with excellent clinical response, and prednisone was discontinued. Vision returned to 20/20 after aggressive lubrification, punctal plugs, and autologous serum eye drops. Tear function came back to normal, and local treatments were stopped. CONCLUSIONS: This case describes a pediatric case of IgG4-ROD presenting initially with conjunctival follicular reaction, later developing lacrimal gland involvement. Therefore, it is important to consider IgG4-ROD in chronic atypical follicular conjunctival lesions in children, even in the absence of orbital disease.
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Doenças da Túnica Conjuntiva/diagnóstico , Doença Relacionada a Imunoglobulina G4/diagnóstico , Doenças do Aparelho Lacrimal/diagnóstico , Doenças Orbitárias/diagnóstico , Inibidores da Angiogênese/uso terapêutico , Criança , Doenças da Túnica Conjuntiva/tratamento farmacológico , Feminino , Glucocorticoides/uso terapêutico , Humanos , Doença Relacionada a Imunoglobulina G4/tratamento farmacológico , Doenças do Aparelho Lacrimal/tratamento farmacológico , Doenças Orbitárias/tratamento farmacológico , Prednisolona/uso terapêutico , Rituximab/uso terapêutico , Fator A de Crescimento do Endotélio Vascular/antagonistas & inibidoresRESUMO
Objectives Intra-articular and/or periarticular corticosteroid injection (IACI) is a common procedure in pediatric rheumatology. Despite many adult studies demonstrating a significant risk of adrenal insufficiency (AI) following the procedure, very little evidence is available in the pediatric literature regarding this risk. The main goal of this study is to evaluate the prevalence of AI in children with chronic arthritis following IACI. Methods This is a retrospective study including children aged 0-18 years who had an IACI from June 2017 to July 2019. An 8:00 morning cortisol (8MC) sample was drawn around two weeks after the injection, and an ACTH 1mcg stimulation test was performed if morning cortisol level was low. AI was defined as an 8MC under 50 nmol/L or an abnormal ACTH stimulation test. Risks factors for AI and its duration were assessed. Results Sixty patients were included in this study. AI prevalence was 30% with 18 of 60 affected patients. The corticosteroid dose injected was statistically associated with the development of AI. Median duration of AI was 181 days for the nine patients who were followed up until resolution of AI. Four patients developed symptoms of AI, namely fatigue (2 of 4), nausea (2 of 4) and abdominal pain (3 of 4). None were hospitalized or died. Conclusions In this cohort of children with chronic arthritis who had an IACI, we found a high prevalence of AI. Monitoring and counseling of such complication is warranted until further evidence is available.
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Corticosteroides/administração & dosagem , Insuficiência Adrenal/patologia , Artrite/tratamento farmacológico , Injeções Intra-Articulares/métodos , Adolescente , Insuficiência Adrenal/induzido quimicamente , Artrite/patologia , Criança , Pré-Escolar , Doença Crônica , Feminino , Seguimentos , Humanos , Lactente , Recém-Nascido , Masculino , Prognóstico , Estudos RetrospectivosRESUMO
OBJECTIVES: The aim was to describe the design, methods and initial findings of a new Canadian inception cohort of children with JIA, The Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) JIA Registry. METHODS: The CAPRI JIA Registry was started in 2017 to collect information prospectively on children enrolled within 3 months of JIA diagnosis across Canada. The registry has a non-traditional modular design, with no artificially set times for registry visits to occur, streamlined multi-method data collection that requires 2-4 min per visit, and reports cumulative incidence of treatments, outcomes and adverse events calculated by Kaplan-Meier survival methods. RESULTS: A total of 166 patients, enrolled a median of 6 weeks after JIA diagnosis at 10 centres, were included. The median age at diagnosis was 9 years [interquartile range (IQR) 3, 13], 61% were female and 51% had oligoarticular JIA. The median three-variable clinical Juvenile Arthritis Disease Activity Score was 6.5 (IQR 4, 10) at enrolment, and the median time to first attainment of clinically inactive disease (CID) was 24 weeks (by 1 year, 81%). Within 1 year of diagnosis, 70% of patients had started a DMARD and 35% a biologic agent. The rates of adverse events and serious adverse events were 60 and 5.8 per 100 patient-years, respectively. CONCLUSION: This streamlined and flexible registry minimizes the burden of data collection and interference with clinic operations. Initial findings suggest that treatments for newly diagnosed patients with JIA in Canada have intensified, and now 81% of patients attain CID within 1 year of diagnosis.