RESUMEN
BACKGROUND: Deformation of the mandibular condyle can be associated with anterior disk displacement (ADD) or involvement of the temporomandibular joint (TMJ) by juvenile idiopathic arthritis (JIA). Diagnostic differentiation is critical for proper management. OBJECTIVES: To compare morphology and inflammation between TMJs with ADD and JIA. METHODS: Retrospective assessment of contrast-enhanced TMJ MRI in 18 adolescents (15 female, mean age 15.1 ± 1.9 years) with ADD and age- and gender-matched patients with JIA. Articular disk findings, inflammatory signs and osseous morphology were compared. RESULTS: In the ADD group, 31 of 36 disks were displaced. In total, 28 of 31 displaced disks showed thickening of the bilaminar zone. In JIA patients, the disks were mainly flattened (19/36), centrally perforated (12/36) and/or anteriorly displaced (2/36). In total, 19 of 31 TMJs with ADD showed various degrees of inflammation, with joint effusion, synovial thickening and joint enhancement not significantly different from JIA patients. Osseous deformity was present in 27 of 31 TMJs with ADD, with frequent erosions in both groups (ADD 25/31; JIA 32/36, P = 0.55) but lower grades of condylar and temporal bone flattening than in JIA (P ≤ 0.001). Glenoid fossa depth was preserved in 28 of 31 joints with ADD and decreased in 26 of 36 joints with JIA (P < 0.0001). Mandibular ramus height was decreased in both groups. CONCLUSION: In adolescents, inflammatory signs are common MRI findings in symptomatic TMJs with ADD and thus should not be considered diagnostic for JIA involvement. In this cohort, both entities had high rates of condylar deformity, while TMJs with ADD showed a better-preserved and often normal shape of the glenoid fossa.
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Artritis Juvenil/diagnóstico por imagen , Inflamación/diagnóstico por imagen , Imagen por Resonancia Magnética , Disco de la Articulación Temporomandibular/diagnóstico por imagen , Trastornos de la Articulación Temporomandibular/diagnóstico por imagen , Adolescente , Artritis Juvenil/fisiopatología , Femenino , Humanos , Inflamación/fisiopatología , Masculino , Estudios Retrospectivos , Disco de la Articulación Temporomandibular/patología , Trastornos de la Articulación Temporomandibular/fisiopatologíaRESUMEN
The Juvenile Arthritis Multidimensional Assessment Report (JAMAR) is a new parent/patient reported outcome measure that enables a thorough assessment of the disease status in children with juvenile idiopathic arthritis (JIA). We report the results of the cross-cultural adaptation and validation of the parent and patient versions of the JAMAR in the Swiss French language. The reading comprehension of the questionnaire was tested in ten JIA parents and patients. Each participating centre was asked to collect demographic, clinical data, and the JAMAR in 100 consecutive JIA patients or all consecutive patients seen in a 6-month period and to administer the JAMAR to 100 healthy children and their parents. The statistical validation phase explored descriptive statistics and the psychometric issues of the JAMAR: the three Likert assumptions, floor/ceiling effects, internal consistency, Cronbach's alpha, interscale correlations, test-retest reliability, and construct validity (convergent and discriminant validity). A total of 98 JIA patients (3.1% systemic, 43.9% oligoarticular, 16.3% RF negative polyarthritis, 36.7% other categories), and 64 healthy children were enrolled in a paediatric rheumatology centre. The JAMAR components discriminated well healthy subjects from JIA patients. All JAMAR components revealed good psychometric performances. In conclusion, the Swiss French version of the JAMAR is a valid tool for the assessment of children with JIA and is suitable for use both in routine clinical practice and clinical research.
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Artritis Juvenil/diagnóstico , Evaluación de la Discapacidad , Medición de Resultados Informados por el Paciente , Reumatología/métodos , Adolescente , Edad de Inicio , Artritis Juvenil/fisiopatología , Artritis Juvenil/psicología , Artritis Juvenil/terapia , Estudios de Casos y Controles , Niño , Preescolar , Características Culturales , Femenino , Estado de Salud , Humanos , Masculino , Padres/psicología , Pacientes/psicología , Valor Predictivo de las Pruebas , Pronóstico , Psicometría , Calidad de Vida , Reproducibilidad de los Resultados , Suiza , TraducciónRESUMEN
Prolonged emergency department (ED) length of stay (LOS) is used as a proxy for ED overcrowding and is associated with adverse outcomes of patients requiring therapy and reduced patient satisfaction. Our aim was to identify and quantify variables which affect ED-LOS. Patients admitted to the pediatric ED of a large regional Swiss hospital during a 1-year period were analyzed for LOS (in minutes). Predictor variables included patient-associated parameters (time of admission and discharge, ED occupancy, triage score, diagnosis, and demographic data) and external factors (weekday, time, and season). A total of 4885 visits were included in a multivariable logistic regression analysis. Median LOS was 124 min. The most important factors associated with prolonged LOS were physician referral (adjusted odds ratio [OR], 1.97; 95% confidence interval [CI], 1.47-2.62); morning admissions, especially before noon (OR, 1.92; 95% CI, 1.23-3.07); and gastrointestinal infections (OR, 1.38; 95% CI, 1.08-1.76). Upper airway infections (OR, 0.37; 95% CI, 0.27-0.49) and triage level 5 (OR, 0.18; 95% CI, 0.06-0.61) were inversely associated with ED-LOS. Together with ED occupancy, these factors did significantly contribute to log LOS in a stepwise backward multiple regression model (p < 0.001). CONCLUSION: Several parameters are associated with prolonged ED-LOS. Notably, morning arrivals represent possible targets for strategies to reduce LOS. What is Known: ⢠Prolonged length of stay (LOS) may affect care delivered to admitted patients in the emergency department (ED) and is well studied in the setting of adult patients with high acuity conditions. ⢠Little is known about parameters which impact LOS in European pediatric EDs. What is New: ⢠Several predictors of prolonged LOS could be identified in a European pediatric setting. ⢠Our results indicate that prolonged LOS is associated with modifiable factors like morning and summer admission, which have the potential to be addressed by modification in staffing, infrastructure, and higher attention to faster processing.
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Servicio de Urgencia en Hospital/estadística & datos numéricos , Hospitales Pediátricos/estadística & datos numéricos , Tiempo de Internación/estadística & datos numéricos , Adolescente , Niño , Preescolar , Femenino , Gastroenteritis/epidemiología , Hospitalización/estadística & datos numéricos , Humanos , Lactante , Recién Nacido , Modelos Logísticos , Masculino , Calidad de la Atención de Salud , Infecciones del Sistema Respiratorio/epidemiología , Estudios Retrospectivos , Triaje/estadística & datos numéricosRESUMEN
BACKGROUND: Contrast-enhanced magnetic resonance imaging (MRI) is highly sensitive for assessing temporomandibular joint (TMJ) involvement in juvenile idiopathic arthritis (JIA), but only sparse data exist on normal TMJ appearance in children. PURPOSE: To determine normal MRI appearance and enhancement pattern of pediatric TMJ as basis for diagnosing early arthritis. MATERIAL AND METHODS: In 27 children (age range, 1.2-16.8 years) without TMJ pathology undergoing head MRI, fat-saturated T2-weighted (T2W) and postcontrast fat-saturated T1-weighted (T1W) images sagittally aligned to the 54 TMJs, besides standard T1W and T2W images, were assessed for bony and soft tissue signal intensity (SI), the amount of perceptible joint fluid, and contrast enhancement (CE). RESULTS: Bone marrow SI and CE of the mandible were consistent with varying degrees of residual red marrow in 96% of joints. The mandibular condyles were mostly isointense to the ramus, but in 9% showed mild edema-like bone marrow SI and CE. Small amounts of intraarticular fluid were detected in 31% on T2W images without fat saturation and in 83% on T2W images with fat saturation as fine lines in the upper or lower joint compartment or as small dots in an articular recess. Seventy-nine percent of all TMJs showed intense joint enhancement on early images restricted to areas of intraarticular fluid. CONCLUSION: Small amounts of joint fluid with intense CE are a common MRI finding in TMJs of children without JIA and therefore should not be considered diagnostic for early arthritis.
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Imagen por Resonancia Magnética/métodos , Articulación Temporomandibular/anatomía & histología , Adolescente , Artritis Juvenil/patología , Niño , Preescolar , Medios de Contraste , Femenino , Gadolinio , Gadolinio DTPA , Compuestos Heterocíclicos , Humanos , Interpretación de Imagen Asistida por Computador , Lactante , Masculino , Compuestos Organometálicos , Articulación Temporomandibular/patologíaRESUMEN
BACKGROUND: Juvenile idiopathic arthritis (JIA) refers to a heterogeneous group of rheumatic conditions in children. Novel drugs have greatly improved disease outcomes; however, outcomes are impacted by limited awareness of the importance of early diagnosis and adequate treatment, and by differences in access across health systems. As a result, patients with JIA continue to be at risk for short- and long-term morbidity, as well as impacts on virtually all aspects of life of the child and family. MAIN BODY: Literature on the socioeconomic burden of JIA is largely focused on healthcare costs, and the impact of JIA on patients, families, and communities is not well understood. High quality evidence on the impact of JIA is needed to ensure that patients are receiving necessary support, timely diagnostics, and adequate treatment, and to inform decision making and resource allocation. This commentary introduces the European Joint Programme on Rare Diseases: Producing an Arthritis Value Framework with Economic Evidence: Paving the Way for Rare Childhood Diseases (PAVE) project, which will co-develop a patient-informed value framework to measure the impact of JIA on individuals and on society. With a patient-centered approach, fundamental to PAVE is the involvement of three patient advocacy organizations from Canada, Israel, and Europe, as active research partners co-designing all project phases and ensuring robust patient and family engagement. The framework will build on the findings of projects from six countries: Canada, Germany, Switzerland, Spain, Israel, and Belgium, exploring costs, outcomes (health, well-being), and unmet needs (uveitis, mental health, equity). CONCLUSION: This unique international collaboration will combine evidence on costs (from family to societal), outcomes (clinical, patient and family outcomes), and unmet needs, to co-design and build a framework with patients and families to capture the full impact of JIA. The framework will support the development of high-quality evidence, encompassing economic and clinical considerations, unmet needs, and patient perspectives, to inform equitable resource allocation, health system planning, and quality of care better aligned with the needs of children with JIA, their families, and communities. Knowledge gained from this novel approach may pave the way forward to be applied more broadly to other rare childhood diseases.
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Artritis Juvenil , Atención Dirigida al Paciente , Enfermedades Raras , Humanos , Artritis Juvenil/economía , Atención Dirigida al Paciente/economía , Niño , Enfermedades Raras/economía , Costo de Enfermedad , Europa (Continente)RESUMEN
BACKGROUND: Juvenile idiopathic arthritis (JIA)-associated uveitis typically presents as a silent chronic anterior uveitis and can lead to blindness. Adherence to current screening guidelines is hampered by complex protocols which rely on the knowledge of specific JIA characteristics. The Multinational Interdisciplinary Working Group for Uveitis in Childhood identified the need to simplify screening to enable local eye care professionals (ECPs), who carry the main burden, to screen children with JIA appropriately and with confidence. METHODS: A consensus meeting took place in January 2023 in Barcelona, Spain, with an expert panel of 10 paediatric rheumatologists and 5 ophthalmologists with expertise in paediatric uveitis. A summary of the current evidence for JIA screening was presented. A nominal group technique was used to reach consensus. RESULTS: The need for a practical but safe approach that allows early uveitis detection was identified by the panel. Three screening recommendations were proposed and approved by the voting members. They represent a standardised approach to JIA screening taking into account the patient's age at the onset of JIA to determine the screening interval until adulthood. CONCLUSION: By removing the need for the knowledge of JIA categories, antinuclear antibody positivity or treatment status, the recommendations can be more easily implemented by local ECP, where limited information is available. It would improve the standard of care on the local level significantly. The proposed protocol is less tailored to the individual than the 'gold standard' ones it references and does not aim to substitute those where they are being used with confidence.
RESUMEN
The differential diagnosis of back pain in children and adolescents is wide. The prevalence of low back pain is increasing with age and after puberty is similar to what is known from the adult population, but in smaller children a structural cause for the pain is more common. Careful history taking and physical examination will help with the decision of when to perform further investigations. This article lists the most common differential diagnoses of back pain in children.
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Dolor de Espalda/diagnóstico , Dolor de Espalda/etiología , Enfermedades de la Médula Espinal/diagnóstico , Enfermedades de la Médula Espinal/etiología , Enfermedades de la Columna Vertebral/complicaciones , Enfermedades de la Columna Vertebral/diagnóstico , Adolescente , Niño , Preescolar , Diagnóstico Diferencial , Diagnóstico por Imagen/métodos , Femenino , Humanos , Masculino , Examen Físico/métodosRESUMEN
OBJECTIVE: The Multinational Interdisciplinary Working Group for Uveitis in Childhood identified the need to update the current guidelines, and the objective here was to produce this document to guide clinicians managing children with juvenile idiopathic arthritis-associated uveitis (JIAU) and idiopathic chronic anterior uveitis (CAU). METHODS: The group analyzed the literature published between December 2014 and June 2020 after a systematic literature review conducted by 2 clinicians. Pediatric rheumatologists were paired with ophthalmologists to review the eligible 37 publications. The search criteria were selected to reflect those used for the 2018 Single Hub and Access point for pediatric Rheumatology in Europe (SHARE) recommendations, in order to provide an update, rather than a replacement for that publication. The summary of the current evidence for each SHARE recommendation was presented to the expert committee. These recommendations were then discussed and revised during a video consensus meeting on January 22, 2021, with 14 voting participants, using a nominal group technique to reach consensus. RESULTS: JIAU treatment was extended to include CAU. Fourteen recommendations regarding treatment of JIAU und CAU with >90% agreement were accepted. CONCLUSION: An update to the previous 2018 SHARE recommendations for the treatment of children with JIAU with the addition of CAU was created using an evidence-based consensus process. This guideline should help support clinicians to care for children and young people with CAU.
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Artritis Juvenil , Reumatología , Uveítis Anterior , Uveítis , Niño , Humanos , Adolescente , Artritis Juvenil/complicaciones , Uveítis/complicaciones , Europa (Continente)RESUMEN
OBJECTIVE: To determine the relative importance weights of items and grades of a newly developed additive outcome measure called the juvenile idiopathic arthritis (JIA) magnetic resonance imaging (MRI) scoring system for the temporomandibular joint (TMJ) (JAMRIS-TMJ). METHODS: An adaptive partial-profile, discrete choice experiment (DCE) survey using the 1000Minds platform was independently completed by members of an expert group consisting of radiologists and non-radiologist clinicians to determine the group-averaged relative weights for the JAMRIS-TMJ. Subsequently, an image-based vignette ranking exercise was done, during which experts individually rank ordered 14 patient vignettes for disease severity while blinded to the weights and unrestricted to JAMRIS-TMJ assessment criteria. Validity of the weighted JAMRIS-TMJ was tested by comparing the consensus-graded, DCE-weighted JAMRIS-TMJ score of the vignettes with their unrestricted image-based ranks provided by the experts. RESULTS: Nineteen experts completed the DCE survey, and 21 completed the vignette ranking exercise. Synovial thickening and joint enhancement showed higher weights per raw score compared to bone marrow items and effusion in the inflammatory domain, while erosions and condylar flattening showed nonlinear and higher weights compared to disk abnormalities in the damage domain. The weighted JAMRIS-TMJ score of the vignettes correlated highly with the ranks from the unrestricted comparison method, with median Spearman's ρ of 0.92 (interquartile range [IQR] 0.87-0.95) for the inflammation and 0.93 (IQR 0.90-0.94) for the damage domain. CONCLUSION: A DCE survey was used to quantify the importance weights of the items and grades of the JAMRIS-TMJ. The weighted score showed high convergent validity with an unrestricted, holistic vignette ranking method.
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Artritis Juvenil/diagnóstico por imagen , Imagen por Resonancia Magnética , Índice de Severidad de la Enfermedad , Articulación Temporomandibular/diagnóstico por imagen , HumanosRESUMEN
OBJECTIVES: To study the validity of both rheumatological and orthodontic examinations and ultrasound (US) as screening methods for early diagnosis of TMJ arthritis against the gold standard MRI. METHODS: Thirty consecutive juvenile idiopathic arthritis (JIA) patients were included in this pilot study. Rheumatological and orthodontic examinations as well as US were performed within 1 month of the MRI in a blinded fashion. Joint effusion and/or increased contrast enhancement of synovium or bone were considered signs of active arthritis on MRI. RESULTS: A total of 19/30 (63%) patients and 33/60 (55%) joints had signs of TMJ involvement on MRI. This was associated with condylar deformity in 9/19 (47%) patients and 15/33 (45%) joints. Rheumatological, orthodontic and US examinations correctly diagnosed 11 (58%), 9 (47%) and 6 (33%) patients, respectively, with active TMJ arthritis, but misdiagnosed 8 (42%), 10 (53%) and 12 (67%) patients, respectively, as having no signs of inflammation. The best predictor for active arthritis on MRI was a reduced maximum mouth opening. CONCLUSION: None of the methods tested was able to reliably predict the presence or absence of MRI-proven inflammation in the TMJ in our cohort of JIA patients. US was the least useful of all methods tested to exclude active TMJ arthritis.
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Artritis Juvenil/diagnóstico , Imagen por Resonancia Magnética , Trastornos de la Articulación Temporomandibular/diagnóstico , Articulación Temporomandibular/patología , Adolescente , Artritis Juvenil/diagnóstico por imagen , Distribución de Chi-Cuadrado , Niño , Preescolar , Diagnóstico Precoz , Femenino , Humanos , Lactante , Masculino , Ortodoncia , Examen Físico , Proyectos Piloto , Reumatología , Sensibilidad y Especificidad , Articulación Temporomandibular/diagnóstico por imagen , Trastornos de la Articulación Temporomandibular/diagnóstico por imagen , UltrasonografíaRESUMEN
BACKGROUND: We compared the safety and efficacy of leflunomide with that of methotrexate in the treatment of polyarticular juvenile rheumatoid arthritis in a multinational, randomized, controlled trial. METHODS: Patients 3 to 17 years of age received leflunomide or methotrexate for 16 weeks in a double-dummy, blinded fashion, followed by a 32-week blinded extension. The rates of American College of Rheumatology Pediatric 30 percent responses (ACR Pedi 30) and the Percent Improvement Index were assessed at baseline and every 4 weeks for 16 weeks and every 8 weeks during the 32-week extension study. RESULTS: Of 94 patients randomized, 86 completed 16 weeks of treatment, 70 of whom entered the extension study. At week 16, more patients in the methotrexate group than in the leflunomide group had an ACR Pedi 30 response (89 percent vs. 68 percent, P=0.02), whereas the values for the Percent Improvement Index did not differ significantly (-52.87 percent vs. -44.41 percent, P=0.18). In both groups, the improvements achieved at week 16 were maintained at week 48. The most common adverse events in both groups included gastrointestinal symptoms, headache, and nasopharyngeal symptoms. Aminotransferase elevations were more frequent with methotrexate than with leflunomide during the initial study and the extension study. CONCLUSIONS: In patients with polyarticular juvenile rheumatoid arthritis, methotrexate and leflunomide both resulted in high rates of clinical improvement, but the rate was slightly greater for methotrexate. At the doses used in this study, methotrexate was more effective than leflunomide.
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Antirreumáticos/uso terapéutico , Artritis Juvenil/tratamiento farmacológico , Isoxazoles/uso terapéutico , Metotrexato/uso terapéutico , Administración Oral , Adolescente , Alanina Transaminasa/sangre , Análisis de Varianza , Antirreumáticos/efectos adversos , Antirreumáticos/farmacocinética , Niño , Preescolar , Femenino , Humanos , Isoxazoles/efectos adversos , Isoxazoles/farmacocinética , Leflunamida , Modelos Logísticos , Masculino , Metotrexato/efectos adversos , Metotrexato/farmacocinética , Índice de Severidad de la EnfermedadRESUMEN
OBJECTIVE: The temporomandibular joints (TMJs) are frequently affected in children with juvenile idiopathic arthritis (JIA). Early detection is challenging, as major variation is present in scoring TMJ pathology on magnetic resonance imaging (MRI). Consensus-driven development and validation of an MRI scoring system for TMJs has important clinical utility in timely improvement of diagnosis and serving as an outcome measure. We report on a multi-institutional collaboration toward developing a TMJ MRI scoring system for JIA. METHODS: Seven readers independently assessed MRI scans from 21 patients (42 TMJs, from patients ages 6-16 years) using 3 existing MRI scoring systems from American, German, and Swiss institutions. Reliability scores, scoring system definitions, and items were discussed among 10 JIA experts through 2 rounds of Delphi surveys, nominal group voting, and subsequent consensus meetings to create a novel TMJ MRI scoring system. RESULTS: Average-measure absolute agreement intraclass correlation coefficients (avICCs) for the total scores of all 3 scoring systems were highly reliable at 0.96 each. Osteochondral items showed higher reliability than inflammatory items. An additive system was deemed preferable for assessing minor joint changes over time. Eight items were considered sufficiently reliable and/or important for integration into the consensus scoring system: bone marrow edema and enhancement (avICC 0.57-0.61, smallest detectable difference [SDD] ± 45-63% prior to redefining), condylar flattening (avICC 0.95-0.96, SDD ± 23-28%), effusions (avICC 0.85-0.88, SDD ± 25-26%), erosions (avICC 0.94, SDD ± 20%), synovial enhancement and thickening (previously combined, avICC 0.90-0.91, SDD ± 33%), and disk abnormalities (avICC 0.90, SDD ± 19%). CONCLUSION: A novel TMJ MRI scoring system was developed by consensus. Further iterative refinements and reliability testing are warranted in upcoming studies.
Asunto(s)
Artritis Juvenil/diagnóstico por imagen , Imagen por Resonancia Magnética/normas , Articulación Temporomandibular/diagnóstico por imagen , Adolescente , Médula Ósea/diagnóstico por imagen , Niño , Femenino , Humanos , Masculino , Membrana Sinovial/diagnóstico por imagenRESUMEN
OBJECTIVE: Uveitis is a visually debilitating disorder that affects up to 30% of children with the most common forms of juvenile idiopathic arthritis (JIA). The disease mechanisms predisposing only a subgroup of children to uveitis are unknown. This study was undertaken to identify genetic susceptibility loci for uveitis in JIA, using a genome-wide association study in 522 children with JIA. METHODS: Two cohorts of JIA patients with ophthalmologic follow-up data were genotyped. Data were then imputed using a genome-wide imputation reference panel, and an HLA-specific reference panel was used for imputing amino acids and HLA types in the major histocompatibility complex (MHC). After imputation, genome-wide and MHC-specific analyses were performed, and a reverse immunology approach was utilized to model antigen presentation at 13 common HLA-DRß1 alleles. RESULTS: Presence of the amino acid serine at position 11 (serine 11) in HLA-DRß1 was associated with an increased risk of uveitis in JIA patients (odds ratio [OR] 2.60, P = 5.43 × 10-10 ) and was specific to girls (Pfemales = 7.61 × 10-10 versus Pmales = 0.18). Serine 11 resides in the YST motif in the peptide-binding groove of HLA-DRß1; all 3 amino acids in this motif are in perfect linkage disequilibrium and show identical association with disease. Quantitative prediction of binding affinity revealed that HLA-DRß1 alleles with the YST motif could be distinguished on the basis of discernable peptide-binding preferences. CONCLUSION: These findings highlight a genetically distinct, sexually dimorphic feature of JIA with uveitis as compared to JIA without uveitis. The association could be indicative of the potential involvement of antigen presentation by HLA-DRß1 in the development of uveitis in JIA. The results of this study may advance our progress toward improved treatments for, and possible prevention of, the sight-threatening complications of uveitis in children with JIA.
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Secuencias de Aminoácidos/genética , Artritis Juvenil/genética , Predisposición Genética a la Enfermedad/genética , Cadenas HLA-DRB1/genética , Uveítis/genética , Adolescente , Alelos , Niño , Preescolar , Estudios de Cohortes , Femenino , Estudios de Asociación Genética , Sitios Genéticos , Genotipo , Humanos , Masculino , Oportunidad RelativaRESUMEN
OBJECTIVE: Infliximab (IFX) is a monoclonal tumor necrosis factor-α-inhibiting antibody used in children with refractory arthritis and uveitis. Immunogenicity is associated with a lack of clinical response and infusion reactions in adults; data on immunogenicity in children treated with IFX for rheumatic diseases are scarce. We aimed to describe the prevalence of anti-IFX antibodies and determine co-factors associated with anti-IFX antibodies in children with inflammatory rheumatic and ocular diseases. METHODS: Consecutive children treated between August 2009 and August 2012 with IFX at our department were included. Blood samples were collected every 6 months before IFX infusion and tested for anti-IFX antibodies by radioimmunoassay. Patients' charts were retrospectively reviewed for clinical features and analyzed for associations with anti-IFX antibodies. RESULTS: Anti-IFX antibodies occurred in 14/62 children (23%) and 32/253 blood samples (12.6%) after a mean treatment time of 1084 days (range 73-3498). Infusion reactions occurred in 10/62 (16%) children during the treatment period. With continuation of IFX, anti-IFX antibodies disappeared in 7/14 children. In the bivariate analysis, the occurrence of anti-IFX antibodies was associated with younger age at IFX treatment start (mean age 7.01 vs 9.88 yrs, p = 0.003) and infusion reactions (OR 15.0), while uveitis as treatment indication was protective against development of anti-IFX antibodies (OR 0.17), likely because of higher IFX doses. In the multivariate logistic regression, all 3 covariates remained highly significant. CONCLUSION: Anti-IFX antibodies occurred commonly at any time during IFX treatment. Anti-IFX antibodies were associated with younger age at IFX start, infusion reactions, and arthritis as treatment indication.
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Anticuerpos/sangre , Artritis Juvenil/inmunología , Infliximab/inmunología , Uveítis/inmunología , Antirreumáticos/uso terapéutico , Artritis Juvenil/sangre , Artritis Juvenil/tratamiento farmacológico , Niño , Preescolar , Femenino , Humanos , Lactante , Infliximab/uso terapéutico , Estudios Longitudinales , Masculino , Estudios Retrospectivos , Estudios Seroepidemiológicos , Uveítis/sangre , Uveítis/tratamiento farmacológicoRESUMEN
OBJECTIVE: To develop international consensus-based recommendations for the orofacial examination of patients with juvenile idiopathic arthritis (JIA), for use in clinical practice and research. METHODS: Using a sequential phased approach, a multidisciplinary task force developed and evaluated a set of recommendations for the orofacial examination of patients with JIA. Phase 1: A Delphi survey was conducted among 40 expert physicians and dentists with the aim of identifying and ranking the importance of items for inclusion. Phase 2: The task force developed consensus about the domains and items to be included in the recommendations. Phase 3: A systematic literature review was performed to assess the evidence supporting the consensus-based recommendations. Phase 4: An independent group of orofacial and JIA experts were invited to assess the content validity of the task force's recommendations. RESULTS: Five recommendations were developed to assess the following 5 domains: medical history, orofacial symptoms, muscle and temporomandibular joint function, orofacial function, and dentofacial growth. After application of data search criteria, 56 articles were included in the systematic review. The level of evidence for the 5 recommendations was derived primarily from descriptive studies, such as cross-sectional and case-control studies. CONCLUSION: Five recommendations are proposed for the orofacial examination of patients with JIA to improve the clinical practice and aid standardized data collection for future studies. The task force has formulated a future research program based on the proposed recommendations.
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Artritis Juvenil/complicaciones , Trastornos de la Articulación Temporomandibular/diagnóstico , Artritis Juvenil/fisiopatología , Humanos , Examen Físico , Trastornos de la Articulación Temporomandibular/complicaciones , Trastornos de la Articulación Temporomandibular/fisiopatologíaRESUMEN
OBJECTIVE: To evaluate the demographic, disease activity, disability, and health-related quality of life (HRQOL) differences between children with juvenile idiopathic arthritis (JIA) and their healthy peers, and between children with JIA with and without clinical temporomandibular joint (TMJ) involvement and its determinants. METHODS: This study is based on a cross-sectional cohort of 3,343 children with JIA and 3,409 healthy peers, enrolled in the Pediatric Rheumatology International Trials Organisation HRQOL study or in the methotrexate trial. Potential determinants of TMJ involvement included demographic, disease activity, disability, and HRQOL measures selected through univariate and multivariable logistic regression. RESULTS: Clinical TMJ involvement was observed in 387 of 3,343 children with JIA (11.6%). Children with TMJ involvement, compared to those without, more often had polyarticular disease course (95% versus 70%), higher Juvenile Arthritis Disease Activity Score (odds ratio [OR] 4.6), more disability, and lower HRQOL. Children with TMJ involvement experienced clearly more disability and lower HRQOL compared to their healthy peers. The multivariable analysis showed that cervical spine involvement (OR 4.6), disease duration >4.4 years (OR 2.8), and having more disability (Childhood Health Assessment Questionnaire Disability Index >0.625) (OR 1.6) were the most important determinants for TMJ involvement. CONCLUSION: Clinical TMJ involvement in JIA is associated with higher disease activity, higher disability, and impaired HRQOL. Our findings indicate the need for dedicated clinical and imaging evaluation of TMJ arthritis, especially in children with cervical spine involvement, polyarticular course, and longer disease duration.
Asunto(s)
Artritis Juvenil/complicaciones , Evaluación de la Discapacidad , Calidad de Vida , Índice de Severidad de la Enfermedad , Trastornos de la Articulación Temporomandibular/psicología , Adolescente , Artritis Juvenil/fisiopatología , Artritis Juvenil/psicología , Estudios de Casos y Controles , Niño , Preescolar , Estudios Transversales , Femenino , Humanos , Lactante , Modelos Logísticos , Masculino , Oportunidad Relativa , Ensayos Clínicos Controlados Aleatorios como Asunto , Articulación Temporomandibular/fisiopatología , Trastornos de la Articulación Temporomandibular/etiología , Trastornos de la Articulación Temporomandibular/fisiopatologíaRESUMEN
OBJECTIVE: To describe infusion reactions (IR) and severe adverse events (SAE) associated with infliximab (IFX) in pediatric patients with rheumatologic and ocular inflammatory diseases in a real-world setting. METHODS: This is a retrospective chart review of all patients treated with IFX at the pediatric rheumatology division of a university hospital between October 2000 and December 2012. RESULTS: A total of 2446 IFX infusions were given to 82 patients (72% female). IR occurred in 46 infusions (2%) of 14 patients (17%) after a mean IFX treatment time of 340 days (range 41-780); 9/14 patients (64%) experienced repeated IR. IR were classified as mild (26%), moderate (74%), or severe (0%). Indications for IFX were arthritis (60%), uveitis (20%), arthritis and uveitis (13%), and other inflammatory diseases (5%). The most common clinical symptoms were respiratory signs (72%), cutaneous manifestations (69%), and malaise (61%). In 6/14 patients (43%) with IR, IFX was discontinued: 4 patients because of repeated IR and 2 patients wished to stop treatment immediately following a mild IR. The other 8/14 patients (57%) received premedication with high-dose antihistamine (100%), corticosteroids (75%), and IFX dose increase (75%) and continued IFX treatment for a mean followup period of 146 weeks (range 26-537) after the first IR. We observed severe infections in 5/82 patients (6%); other SAE were rare. CONCLUSION: Mild and moderate IR occurred in 17% of our patients. Treatment with antihistamines and methylprednisolone, and increasing the IFX dose, allowed continued treatment despite IR in > 50% of patients. Other SAE were infrequent.
Asunto(s)
Anticuerpos Monoclonales/efectos adversos , Antirreumáticos/efectos adversos , Artritis/tratamiento farmacológico , Uveítis/tratamiento farmacológico , Adolescente , Anticuerpos Monoclonales/uso terapéutico , Antirreumáticos/uso terapéutico , Niño , Preescolar , Disnea/inducido químicamente , Exantema/inducido químicamente , Femenino , Humanos , Infliximab , Infusiones Intravenosas/efectos adversos , Náusea/inducido químicamente , Ruidos Respiratorios , Estudios Retrospectivos , Urticaria/inducido químicamenteRESUMEN
BACKGROUND: A reduced mouth opening capacity may be one of the first clinical signs of pathological changes in the masticatory system. The aim of this retrospective cross-sectional study was to create age related percentiles for unassisted maximal mouth opening capacity (MOC) of healthy children. METHODS: All recordings of MOC as measured at the yearly dental examinations of school children in the city of Zurich, Switzerland, between August 2009 and August 2010 were extracted from the database. The program LMSchartMaker Pro Version 2.43, Huiqi Pan and Tim Cole, Medical Research Council, 1997-2010 was used to calculate age and sex related reference centiles. RESULTS: Records from 22(')060 dental examinations were found during the study period. In 1286 (5.8%) the maximal interincisal measurement was missing. Another 55 examinations were excluded because of missing data for sex (7), age at examination (11) or because the value was deemed to be pathologically low (37). Thus, a total of 20(')719 measurements (10(')060 girls, 10(')659 boys) were included in the analysis. The median age (range) was 9.9 years (3.3-18.3) for girls and 10.0 years (2.8-18.7) for boys. The mean MOC (range) was 45 mm (25-69) for girls and 45 mm (25-70) for boys. Age related percentiles were created for girls and boys separately, showing the 3(rd), 10(th), 25(th), 50(th), 75(th), 90(th), and 97(th) percentile from 3 through 18 years of age. CONCLUSIONS: In these 20(')719 unselected school children MOC increased with age but showed a wide range within children of the same age.
RESUMEN
BACKGROUND: Following the introduction of the ILAR criteria for juvenile idiopathic arthritis, juvenile psoriatic arthritis (JPsA) has become a better recognized category within the inflammatory arthritides of childhood. There are fewer reports describing the characteristics and long-term outcome of patients with JPsA than other subtypes of JIA.The aim of our study was to determine the long-term outcome and clinical course of patients with juvenile psoriatic arthritis (JPsA) and to define subgroups of JPsA. METHODS: Clinical records of all patients meeting criteria for JPsA were reviewed and divided into 4 groups depending on their clinical features and onset type. Patient characteristics and clinical features at onset and during follow-up were determined. RESULTS: The cohort consisted of 119 patients: 65 with oligoarticular-onset (55%; persistent 44 and extended 21), 34 (29%) with RF(-) and 4 (3%) RF(+) polyarticular and 16 (13%) enthesitis-related arthritis (ERA). At diagnosis patients with ERA were oldest and more commonly male (p=0.001 and =0.01 respectively). Patients with a polyarticular course had more involvement of small joints of the hands and wrist when compared to patients with persistent oligoarticular and ERA (p<0.001) while patients with ERA had more hip and sacroiliac arthritis (p<0.001 for both). Nail changes were seen in 66 patients (57%) and were associated with DIP involvement (p=0.0034). OUTCOME: Time to first inactive disease on, but not off, therapy was significantly longer among patients with polyarticular course when compared to oligoarticular and ERA (p=0.016 and p=0.48 respectively). Patients with polyarticular course more frequently had contractures during follow-up than other groups (p=0.01). CONCLUSION: The long-term outcome of with JPsA was generally good. Patients with JPsA did not appear to form distinct sub-group of patients but rather resembled JIA patients with onset types without psoriasis.