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OBJECTIVES: To investigate the severe haematological involvement in children with SLE and assess its clinical associations, treatments, outcome and damage accrual. METHODS: The medical charts of children with SLE in whom haematological involvement was observed were reviewed. Severe haematological indices were defined as autoimmune haemolytic anaemia with a haemoglobin concentration < 8 g/dL, thrombocyte count < 30 000/µL, and neutrophil count < 500/µL. RESULTS: Among the 224 patients included, 102 (45.5%) displayed severe indices, predominantly at the initial involvement, and most frequently as severe anaemia in 54 (24.1%) and severe thrombocytopenia in 45 (20.1%). Disease activity did not differ according to the presence of severe disease indices. In addition, the presence of severe indices at initial involvement did not affect the damage accrual. However, a higher rate of damage (51.1% vs. 29.9%, p = 0.002) and steroid-induced damage (28.9% vs. 8.2%, p < 0.001) was evident in patients with flares of the haematological system. Regression analysis revealed that rituximab treatment during the initial episode (OR:4.5, p = 0.006) and the presence of anticardiolipin antibodies (OR:2.3, p = 0.014) significantly increases the odds for haematological system flare. However, severe indices at initial involvement did not increase the odds of a haematological flare. CONCLUSION: Severe haematological indices at onset are common but not related with disease outcomes. Prevention of flares is important to improve outcomes, and a more rigorous maintenance strategy would benefit most to children who display haematological indices refractory to conventional immunosuppressants and those with anti-cardiolipin antibodies.
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OBJECTIVES: The transition of adolescents and young adults (AYAs) from pediatric to adult-oriented healthcare may be affected by many factors, including the personal and cultural settings. We aimed to analyze the transition readiness and the factors affecting the transition success in rheumatology. METHODS: Patients older than 12 years were included in this prospective study. All filled out the Transition Readiness Assessment Questionnaire (TRAQ) 5.0. AYAs were phone-interviewed after their transfer to adult-oriented healthcare. Drug adherence was evaluated with 4-item Morisky Medication Adherence Scale (MMAS-4). AYAs rated their transitional care experience with visual analogue scale (VAS 0-10; 0, the worst; 10, the best). RESULTS: A total of 504 TRAQs were filled out by 406 patients (F/M = 1.5). The total TRAQ score was positively correlated with age and higher in the forms filled out by girls than boys (4.2 vs 4.0, respectively; p= 0.005). The transition was successful for 78 (83.9%) out of 93 patients transferred to adult-oriented healthcare. The VAS for the transition process was lower and the post-transfer MMAS-4 score was worse (8 vs 9, p= 0.030 and 3 vs 4, p= 0.020; respectively) in patients whose transition was not successful when compared with the successfully-transitioned ones. The best-performing TRAQ cut-off value was >4.0 for predicting transfer readiness in rheumatology. CONCLUSION: A TRAQ score of > 4 could be used while deciding about the transfer readiness of AYAs in rheumatology. Improving the AYAs' experience of the transition process and closely monitoring medication adherence during transition are essential for a successful transition.
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OBJECTIVES: Familial Mediterranean fever (FMF) is characterized by febrile polyserositis attacks. Menstruation could be a trigger for attacks. We aimed to analyze the features of adolescent FMF patients with menstruation-associated attacks and propose a management algorithm. METHODS: All female FMF patients who had menarche and visited the Pediatric Rheumatology Unit between January-December 2022, were included into this study. Demographics, general characteristics, and the features of menstrual cycle and FMF attacks were noted. RESULTS: A total of 151 female FMF patients were included. Thirty-five (23.2%) had menstruation-associated attacks. Fever and arthritis were less frequent during the menstruation-associated attacks than the attacks not associated with menstruation in these patients (65.7% vs 88.6%, p= 0.01 and 2.9% vs 20%, p= 0.04; respectively). Patients with menstruation-associated FMF attacks were younger at symptom onset and diagnosis (2.5 vs 5 years, p= 0.004 and 4 vs 7 years, p= 0.01; respectively), had a higher rate of dysmenorrhea (74.3% vs 38.8%, p< 0.001, respectively) and higher pre- and post-menarche attack frequency (4 vs 2 and 10 vs 0, respectively; p< 0.001 for both) than patients whose attacks were not associated with menstruation. The interventions for menstruation-associated attacks included initiating colchicine, increasing the dose of colchicine, switching from coated to compressed colchicine tablets or anti-interleukin 1 drugs, and on-demand non-steroidal anti-inflammatory drugs, on-demand glucocorticoids, and on-demand anakinra. On-demand therapies were beneficial in controlling menstruation-associated attacks. CONCLUSIONS: This is the largest cohort of adolescent FMF patients with menstruation-associated attacks. Severe FMF may cause tendency to this association. On-demand therapies could be preferred in the management.
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BACKGROUND: Drug-induced lupus erythematosus (DILE) is the development of lupus-like syndrome following a drug exposure. DILE has been reported less frequently among children than adults. METHODS: In this study, we present four children with DILE and similar published cases through a systematic literature review. RESULTS: We report four children (three girls and one boy) who developed DILE associated with the use of topiramate, doxycycline, etanercept, and ethosuximide. Three of them were positive for anti-histone antibodies. In all patients, the drug was discontinued and symptoms resolved completely. The literature review revealed 48 articles describing 61 children with DILE. In the evaluation of 65 patients (our 4 patients and 61 patients from the literature), the most frequently reported drugs associated with DILE were ethosuximide (n = 13) and minocycline (n = 12). Fever (n = 33), arthralgia (n = 31), rash (n = 30), and arthritis (n = 29) were the most common clinical manifestations. Antinuclear antibody (ANA) was positive in 93.5% of patients and anti-histone antibodies were detected in 72.2% of the patients. As for treatment, the responsible drug was discontinued in all patients, and corticosteroids were initiated in 53.3%. Improvement was achieved in 92.0% of patients. CONCLUSION: For children presenting with SLE features, proper drug history is crucial since DILE may be more frequent than anticipated. An association of the relevant drug with the symptoms, and resolution of symptoms on drug withdrawal provides evidence for the diagnosis of DILE.
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Lúpus Eritematoso Sistêmico , Humanos , Feminino , Masculino , Criança , Lúpus Eritematoso Sistêmico/induzido quimicamente , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Topiramato/efeitos adversos , Doxiciclina/efeitos adversos , Etossuximida/efeitos adversos , Adolescente , Etanercepte/efeitos adversos , Minociclina/efeitos adversos , Anticorpos Antinucleares/sangue , Anticorpos Antinucleares/imunologia , Pré-EscolarRESUMO
OBJECTIVE: Our study was designed to investigate the reasons for starting the conventional disease-modifying anti-rheumatic drugs (DMARDs) and the variables that impact the response to DMARD treatment in oligoarticular juvenile idiopathic arthritis (JIA) patients. METHODS: Oligoarticular JIA patients (n = 187) were categorized into two groups: Group A consisted of patients who achieved remission with DMARD, and Group B comprised those who did not respond to DMARD therapy. RESULTS: DMARDs were initiated for various reasons: 68 (36.4%) due to active disease despite nonsteroidal anti-inflammatory drugs (± intra-articular corticosteroid) treatment, 59 (31.6%) due to uveitis, 49 (26.2%) due to extended oligoarticular JIA, and 11 (5.9%) due to inflammatory bowel disease. One hundred twenty-three patients (65.8%) achieved remission with DMARDs (Group A), while 64 patients (34.2%) did not respond to DMARD therapy (Group B). In Group B, patients had higher C-reactive protein (CRP) levels as well as higher Juvenile Idiopathic Arthritis Disease Activity Scores-71 (JADAS-71) at diagnosis (both p < 0.001). Moreover, extended oligoarticular JIA subtype (p = 0.017) and involvement of small joints at diagnosis (p = 0.043) were more prevalent among these patients. Group A exhibited a higher frequency of antinuclear antibody positivity (p = 0.014). Elevated CRP levels (> 1.1 mg/dL) (OR 1.308, 95% CI 1.203-3.574; p < 0.001) and high JADAS-71 at diagnosis (> 15.8) (OR 1.659, 95% CI 1.179-2.941; p < 0.001) were associated with DMARD resistance. CONCLUSION: Elevated CRP and high JADAS-71 at diagnosis were the main factors associated with DMARD resistance in oligoarticular JIA. Prospective long-term studies may help verify the role of these factors associated with DMARD resistance in oligoarticular JIA. Key Points ⢠Conventional DMARDs were most commonly started due to active disease despite NSAID (± intra-articular corticosteroids). ⢠Remission was achieved with DMARD in 65.8% of oligoarticular JIA patients. ⢠Elevated CRP and high JADAS-71 at diagnosis were associated with DMARD resistance.
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Antirreumáticos , Artrite Juvenil , Humanos , Artrite Juvenil/tratamento farmacológico , Antirreumáticos/uso terapêutico , Feminino , Masculino , Criança , Pré-Escolar , Resistência a Medicamentos , Proteína C-Reativa/análise , Indução de Remissão , Resultado do Tratamento , Adolescente , Anti-Inflamatórios não Esteroides/uso terapêutico , Estudos Retrospectivos , Índice de Gravidade de Doença , Corticosteroides/uso terapêuticoRESUMO
OBJECTIVE: We aimed to delineate the distinctive characteristics that aid in distinguishing between Kawasaki disease (KD) and multisystem inflammatory syndrome in children (MIS-C) with KD-like manifestations during the pandemic. MATERIALS AND METHODS: We evaluated KD patients and MIS-C patients with KD-like symptoms admitted during the pandemic (between January 2021 and December 2022). RESULTS: Thirty-three MIS-C patients and 15 KD patients were included. Kawasaki disease patients were younger than MIS-C patients (3.4 vs. 7.6 years). Rash (P = .044, 100% vs. 75.7%), oral mucosal changes (P = .044, 100% vs. 75.7%), and cervical lymphadenopathy (P = .001, 93.3% vs. 42.4%) were more common in KD. Multisystem inflammatory syndrome in children: patients had more hypotension (P = .002, 45.4% vs. 0), gastrointestinal (P .001, 72.7% vs. 13.3%), and respiratory symptoms (P = .044, 24.2% vs. 0). Multisystem inflammatory syndrome in children patients also had low lymphocyte and thrombocyte counts and elevated levels of d-dimer, ferritin, and cardiac parameters, unlike KD patients. Multisystem inflammatory syndrome in children patients exhibited a notable reduction in left ventricular systolic function in echocardiography. Another significant difference with regard to management was the anakinra treatment, which was prescribed for MIS-C patients. CONCLUSION: Although MIS-C patients might display a clinical resemblance to KD, several features could help differentiate between MIS-C and classical KD. Specific clinical (hypotension, gastrointestinal, and respiratory symptoms) and laboratory (low lymphocyte and thrombocyte counts with higher C-reactive protein, ferritin, d-dimer, and cardiac parameters) features are characteristic of MIS-C. In addition, divergence in management strategies is evident between the 2 diseases, as biologic drugs were more prevalently employed in MIS-C patients than in classical KD patients.
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OBJECTIVES: The aim of this study is to investigate the effect of anti-interleukin (IL)-1/-6 biologics on systemic juvenile idiopathic arthritis (sJIA)-associated macrophage activation syndrome (MAS). METHODS: Demographic, clinical, and laboratory data of patients followed up with a diagnosis of sJIA-associated MAS assessed from sixteen pediatric rheumatology centers across the country. The clinical and laboratory features of MAS developing while on biological drugs were compared with those without this treatment. RESULTS: One hundred and sixty-two patients were included in the study. 45 of the MAS events were detected under the effect of anti-IL-1/-6 biologics, while the patients experiencing the remaining 155 events have not received biological treatment in the last three months. Platelet count [128 (72-232) vs 199 (130-371) 109/l], ferritin level on admission [1107 (676-2050) vs 2863 (1193-9562) ng/ml], C-reactive protein level [15.4 (2.9-56) vs 90 (32-160) mg/l], erythrocyte sedimentation rate [13 (3-36) vs 43.5 (13-77) mm/h] and fever duration [5 (4-7.5) vs 10 (7-14.3) days] were found lower in the group under the impact of anti-IL-1/-6 biologics. Among patients treated with biologics, 26.6% did not meet the published 2016 MAS classification criteria at presentation. The rates of hepatomegaly and splenomegaly were relatively lower in the canakinumab-treated group when compared with those receiving other biologicals or to patients, not on biologicals. CONCLUSION: Anti-IL-1/-6 therapies can mask the clinical and laboratory features of MAS, and proposed guidelines for MAS classification criteria may not be met.
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OBJECTIVE: In this study, we aimed to evaluate the characteristics of pediatric rhupus patients including all the related series in the literature. METHODS: Thirty pediatric patients with rhupus syndrome from 12 different centers in Turkey were included in this study. The literature was also reviewed for pediatric patients with rhupus syndrome. RESULTS: The most prominent phenotype of these 30 patients was juvenile idiopathic arthritis (JIA) (60%) at the disease onset and SLE (73.3%) at the last visit. Major SLE-related organ involvements were skin (80%), hematological system (53.3%), and kidney (23.3%). Arthritis was polyarticular (73.3%), asymmetric (66.7%), and erosive (53.3%) in most patients. Hydroxychloroquine (100%), glucocorticoids (86.7%), and mycophenolate mofetil (46.7%) were mostly used for SLE, while glucocorticoids (76.6%), methotrexate (73.3%), and nonsteroidal anti-inflammatory drugs (NSAIDs) (57.6%) were mainly preferred for JIA. Our literature search revealed 20 pediatric patients with rhupus syndrome (75% were RF positive). The most prominent phenotype was JIA (91.7%) at the disease onset and SLE (63.6%) at the last visit. Major SLE-related organ involvements were skin (66.7%), hematological system (58.3%), and kidney (58.3%). Arthritis was polyarticular (77.8%), asymmetric (63.6%), and erosive (83.3%) in most patients. Glucocorticoid (100%), hydroxychloroquine (76.9%), and azathioprine (46.2%) were mostly used for SLE, while methotrexate (76.9%) and NSAIDs (46.2%) were mainly preferred for the JIA phenotype. CONCLUSION: Our study is the largest cohort in the literature evaluating pediatric rhupus cases. Most of the pediatric patients had polyarticular, asymmetric, and erosive arthritis, as well as organ involvements associated with SLE, including the skin, hematological system, and kidney.
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Artrite Juvenil , Artrite Reumatoide , Lúpus Eritematoso Sistêmico , Humanos , Criança , Lúpus Eritematoso Sistêmico/complicações , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Hidroxicloroquina/uso terapêutico , Estudos Retrospectivos , Metotrexato/uso terapêutico , Artrite Reumatoide/complicações , Artrite Juvenil/complicações , Artrite Juvenil/tratamento farmacológico , Glucocorticoides/uso terapêutico , Anti-Inflamatórios não Esteroides/uso terapêutico , Estudos Multicêntricos como AssuntoRESUMO
OBJECTIVE: We aimed to investigate the plasma levels and cell surface expression of two checkpoint molecules, TIM-3 (T cell immunoglobulin and mucin domain-containing protein 3) and PD-1 (programmed cell death protein 1), in pediatric patients with chronic non-bacterial osteomyelitis (CNO). METHODS: Plasma samples of CNO patients were collected at diagnosis or during biologic agent treatment. Plasma levels of TIM-3 and PD-1 were measured using the sandwich enzyme-linked immunosorbent assay method, and the expression of the two immune checkpoint molecules on the cell surface was analyzed by isolating peripheral blood mononuclear cells by density gradient centrifugation technique. RESULTS: Twenty-seven patients with CNO (14 boys, 51.9%) and six healthy controls (3 boys, 50%) were enrolled in the study. There were no age differences between CNO patients and healthy controls (median age 14.5 vs. 13.5 years, respectively, p=0.762). Of the CNO patients, 18 were included at the time of diagnosis while 9 were receiving biologic treatment at enrollment. The median plasma PD-1 levels were significantly lower in the CNO group than in the healthy controls (p=0.011). However, no significant difference was found in the cellular expression of PD-1 and TIM-3 on CD3+CD4+ T cells in patients and healthy controls (p=0.083 and p=0.245, respectively). There was also no statistically significant difference in plasma TIM-3 levels of the patient and control groups (p=0.981). CONCLUSION: CNO is an autoinflammatory disease, and overall, our results suggest that T cell exhaustion may not be significant in CNO. Further research is needed to find out whether the immune checkpoints are mainly associated with autoimmunity but not autoinflammation. Key Points ⢠The median plasma PD-1 levels were significantly lower in the CNO group than in the healthy controls. ⢠No significant difference was found in the cellular expression of PD-1 and TIM-3 on CD3+CD4+ T cells in patients and healthy controls. ⢠Our results suggest that T cell exhaustion may not be significant in CNO pathogenesis.
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Produtos Biológicos , Proteínas de Checkpoint Imunológico , Masculino , Humanos , Criança , Adolescente , Proteínas de Checkpoint Imunológico/metabolismo , Receptor Celular 2 do Vírus da Hepatite A , Receptor de Morte Celular Programada 1 , Leucócitos Mononucleares/metabolismoRESUMO
OBJECTIVES: Macrophage activation syndrome (MAS) is a severe complication of systemic juvenile idiopathic arthritis (SJIA). We aimed to compare the characteristics of SJIA patients who developed MAS in the disease course to those who never experienced MAS. METHODS: Patients with SJIA were included. The features of the patients at the time of SJIA diagnosis were compared. Multivariate logistic regression and ROC analyses were used while evaluating factors associated with MAS. RESULTS: Overall, 126 SJIA patients (M/F:1.17) were included. Eighty-six (68.2%) never had MAS. At the time of SJIA diagnosis, age was younger; the duration of fever was longer; rash, hepatomegaly, and splenomegaly were more frequent and arthralgia/arthritis was less common among patients who had MAS in the follow-up than those who never had MAS. Also, white blood cell, neutrophil, and platelet counts and fibrinogen were lower, while transaminases, lactate dehydrogenase, triglyceride (TG), and ferritin levels were higher among patients with MAS than those without MAS. The multivariate regression analysis disclosed age at symptom onset, duration of fever, platelet count, TG and ferritin levels as independent MAS predictors. For ferritin level/platelet count (F/P) ratio at the time of SJIA diagnosis, a threshold of ≥1.1 performed best to predict a MAS-prone disease course with a sensitivity of 90% and a specificity of 82.6%. CONCLUSION: The F/P ratio at the time of SJIA diagnosis may be a promising biomarker to predict MAS-prone disease course in SJIA. Determining MAS-prone patients at the time of SJIA diagnosis could assist physicians while tailoring SJIA treatment individually. Key points ⢠Systemic juvenile idiopathic arthritis (SJIA) patients with macrophage activation syndrome (MAS) differ from SJIA patients who never have MAS, at the time of SJIA diagnosis. ⢠It could be possible to predict a MAS-prone disease course at the time of SJIA diagnosis. ⢠The ferritin/platelet ratio is a promising biomarker for predicting MAS-prone SJIA disease course.
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Artrite Juvenil , Síndrome de Ativação Macrofágica , Humanos , Síndrome de Ativação Macrofágica/complicações , Síndrome de Ativação Macrofágica/diagnóstico , Artrite Juvenil/complicações , Artrite Juvenil/diagnóstico , Esplenomegalia/diagnóstico , Biomarcadores , Febre/complicações , Ferritinas , Progressão da DoençaRESUMO
OBJECTIVES: Colchicine forms the mainstay of treatment in FMF. Approximately 5-10% of FMF patients are colchicine resistant and require anti-IL-1 drugs. We aimed to compare the characteristics of colchicine-resistant and colchicine-responsive patients and to develop a score for predicting colchicine resistance at the time of FMF diagnosis. METHODS: FMF patients (0-18 years) enrolled in the Turkish Paediatric Autoinflammatory Diseases (TURPAID) registry were included. The predictive score for colchicine resistance was developed by using univariate/multivariate regression and receiver operating characteristics analyses. RESULTS: A total of 3445 FMF patients [256 (7.4%) colchicine-resistant and 3189 colchicine-responsive) were included (female:male ratio 1.02; median age at diagnosis 67.4 months). Colchicine-resistant patients had longer, more frequent attacks and were younger at symptom onset and diagnosis (P < 0.05). Fever, erysipelas-like erythema, arthralgia, arthritis, myalgia, abdominal pain, diarrhoea, chest pain, comorbidities, parental consanguinity and homozygosity/compound heterozygosity for exon 10 MEFV mutations were significantly more prevalent among colchicine-resistant than colchicine-responsive patients (P < 0.05). Multivariate logistic regression analysis in the training cohort (n = 2684) showed that age at symptom onset, attack frequency, arthritis, chest pain and having two exon 10 mutations were the strongest predictors of colchicine resistance. The score including these items had a sensitivity of 81.3% and a specificity of 49.1%. In the validation cohort (n = 671), its sensitivity was 93.5% and specificity was 53.8%. CONCLUSION: We developed a clinician-friendly and practical predictive score that could help us identify FMF patients with a greater risk of colchicine resistance and tailor disease management individually at the time of diagnosis.
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Artrite , Febre Familiar do Mediterrâneo , Humanos , Feminino , Masculino , Criança , Pré-Escolar , Febre Familiar do Mediterrâneo/diagnóstico , Febre Familiar do Mediterrâneo/tratamento farmacológico , Febre Familiar do Mediterrâneo/genética , Colchicina/uso terapêutico , Dor no Peito , Sistema de Registros , Síndrome , PirinaRESUMO
OBJECTIVES: In our study, we investigated the presence of subclinical enthesitis by ultrasonography (US) in asymptomatic patients with enthesitis-related arthritis (ERA) and sacroiliitis associated with familial Mediterranean fever (FMF). METHODS: A total of 50 patients, including 35 patients with ERA and 15 with sacroiliitis associated with FMF, were included in the study. All patients were evaluated with US by a paediatric radiologist. Enthesis of seven tendons (common extensor and flexor tendons, quadriceps tendon, proximal and distal patellar tendon, Achilles tendon, and plantar fascia) was examined on both sides. RESULTS: Subclinical enthesitis was detected in 10 ERA (28.5%) and three FMF (20%) patients. Enthesitis was radiologically diagnosed in 16 (2.3%) out of 700 evaluated entheseal sites. The most frequent sites of enthesitis were Achilles (37.5%) and quadriceps (31.3%) tendons. All patients were in clinical remission and had no active complaints, and acute phase reactants were within normal limits. Therefore, the patients were followed up without treatment change. However, disease flare-up was observed in three of these patients (23.1%) during the follow-up, and their treatments were intensified. CONCLUSIONS: Our results showed that the US can be particularly helpful in detecting subclinical enthesitis and predicting disease flare-ups.
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Tendão do Calcâneo , Artrite Juvenil , Entesopatia , Febre Familiar do Mediterrâneo , Sacroileíte , Criança , Humanos , Sacroileíte/complicações , Sacroileíte/diagnóstico por imagem , Febre Familiar do Mediterrâneo/complicações , Febre Familiar do Mediterrâneo/diagnóstico por imagem , Exacerbação dos Sintomas , Entesopatia/complicações , Entesopatia/diagnóstico por imagem , Artrite Juvenil/complicações , Tendão do Calcâneo/diagnóstico por imagemRESUMO
OBJECTIVE: In this study, we assessed the functional and biopsychosocial characteristics of juvenile idiopathic arthritis (JIA) patients according to disease subtypes. MATERIALS AND METHODS: Child Health Assessment Questionnaire (CHAQ), Juvenile Arthritis Disease Activity Score-71 (JADAS-71), and Juvenile Arthritis Biopsychosocial Questionnaire (JAB-Q) scales were administered to 304 JIA patients, and the subscale of JAB-Q was administered to their families. RESULTS: The median age of JIA patients at diagnosis was 7.9 (5.5-13) years (female/male = 1.3). Most patients were under treatment (68.7%) and had inactive disease (69.3%). While there was no significant difference between JADAS-71 scores according to the JIA subtypes, total CHAQ scores in polyarticular JIA patients were higher than in systemic JIA patients (P = .005). Enthesitis-related arthritis (ERA) patients had higher JAB-Q fatigue total scores compared to systemic JJIA patients (P = .001). Juvenile Arthritis Biopsychosocial Questionnaire-child psychosocial status scores were higher in polyarticular JIA patients than oligoarticular and systemic JIA patients (P = .004 and P = .003, respectively), and they had higher JAB-Q child form total scores than systemic JIA patients (P = .006). In addition, systemic JIA patients' parents had higher JAB-Q family total scores compared to oligoarticular JIA patients' parents (P = .03). CONCLUSION: Our results suggest that polyarticular JIA patients had higher CHAQ, JAB-Q psychosocial status, and child form total scores, and the JAB-Q fatigue score was higher in ERA patients. Also, JAB-Q-parent scores were higher in systemic JIA patients' parents. Biopsychosocial characteristics should be evaluated in both JIA patients and their parents.
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Multisystem inflammatory syndrome in children (MIS-C) is a serious condition characterized by excessive inflammation that can arise as a complication of SARS-CoV-2 infection in children. While our understanding of COVID-19 and MIS-C has been advancing, there is still uncertainty regarding the optimal treatment for MIS-C. In this study, we aimed to compare the clinical and laboratory outcomes of MIS-C patients treated with IVIG plus corticosteroids (CS) to those treated with IVIG plus CS and an additional biologic drug. We used the propensity score (PS)-matching method to assess the relationships between initial treatment and outcomes. The primary outcome was a left ventricular ejection fraction of less than 55% on day 2 or beyond and/or the requirement of inotrope support on day 2 or beyond. We included 79 MIS-C patients (median age 8.51 years, 33 boys) followed in our center. Among them, 50 children (25 in each group) were allocated to the PS-matched cohort sample. The primary outcome was observed in none of the patients in the IVIG and CS group, while it occurred in eight patients in the IVIG plus CS and biologic group (p = 0.04). MIS-C is a disorder that may progress rapidly and calls for extensive care. For definitive recommendations, further studies, including randomized control trials, are required.
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OBJECTIVES: There is no consensus on canakinumab treatment tapering and discontinuation strategies in colchicine-resistant FMF patients. In this study, we aimed to establish a treatment management and discontinuation protocol in paediatric FMF patients treated with canakinumab. METHODS: Fifty-eight FMF patients treated with canakinumab were included. Since 2020, we have applied a protocol based on our experience whereby canakinumab is administered monthly in the first 6 months, followed by bimonthly for 6 months, and a final period of every 3 months (for 6 months). The patients were divided into two groups: 2012-2019 (group A) and 2020-2022 (group B). RESULTS: In group A (n = 33), the median duration of canakinumab treatment was 2.5 years [interquartile range (IQR) 1.9-3.7]. A total of 25 of 33 patients discontinued canakinumab after a median of 2.1 years (IQR 1.8-3.4). In two patients, canakinumab was restarted because of relapse. In group B (n = 25), canakinumab was discontinued in 18 patients at the end of 18 months. After a median follow-up of 0.8 years (IQR 0.6-1.1), two patients had a relapse and canakinumab treatment was reinitiated. The remaining 16 patients still have clinically inactive disease and are receiving only colchicine. When we compared the characteristics between groups A and B, there were no significant differences regarding demographics, clinical features, and outcomes. CONCLUSION: This is the largest study in the literature suggesting a protocol for discontinuing canakinumab in paediatric FMF patients. It was possible to discontinue canakinumab successfully in more than half of the patients in 18 months. Thus we suggest that this protocol can be used in paediatric FMF patients.
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Febre Familiar do Mediterrâneo , Humanos , Criança , Febre Familiar do Mediterrâneo/tratamento farmacológico , Colchicina/uso terapêutico , Estudos de Viabilidade , Resultado do Tratamento , Estudos Retrospectivos , RecidivaRESUMO
OBJECTIVE: Children with suspicious complaints of rheumatic diseases are generally referred to a pediatric rheumatologist. We aimed to evaluate the profile of patients referred to the pediatric rheumatology unit and were not diagnosed with a rheumatic disease and to assess the impact of the coronavirus disease-2019 pandemic on referral complaints. MATERIALS AND METHODS: All new outpatients who applied to the pediatric rheumatology department between March 2019 and February 2021 and were not diagnosed with rheumatic disease were included. We also compared the frequency of admission symptoms during the pre-pandemic (March 2019-February 2020) and pandemic periods (March 2020-February 2021). RESULTS: A total of 1089 patients without a rheumatic disease diagnosis (568 female, 52.2%; median age 10.0 years) were included in this study. The most common complaint for referral was prolonged or recurrent fevers (13.4%) followed by anti-nuclear antibody positivity (13.1%), arthralgia (13.0%), skin findings (7.5%), and the presence of heterozygous mutations in the Mediterranean fever gene (6.9%). During the pandemic year, the number of patients referred for back pain increased significantly (P = .028). A total of 682 of 1089 patients were consulted from other departments in our center (62.6%). Of these, the most frequent consultation request was from general pediatrics (43.6%). The rheumatic disease was excluded in 11.3% of the patients. CONCLUSION: Prolonged or recurrent fever and anti-nuclear antibody positivity were the most frequent complaints of referrals to a pediatric rheumatology unit in patients who did not have a rheumatic disease. The rate of back pain was more common in children during the pandemic period.
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Cogan's syndrome (CS) is a rare inflammatory disease characterized by interstitial keratitis or uveitis, vestibular impairment, and progressive hearing loss, commonly bilateral. Although glucocorticoids are fundamental treatment options, in most cases, hearing loss gradually worsens. Herein we report 2 pediatric cases of CS who were treated with corticosteroids and methotrexate. One patient had a cochlear implant, and the hearing of the other patient improved with treatment. Also, a systematic literature review was conducted for articles including pediatric CS patients. In the literature, 34 articles describing 44 pediatric patients with CS were identified. Sudden hearing loss (95.3%) and ocular symptoms (92.5%) were the most common manifestations in these patients. Also, aortic involvement was present in 19.5% of patients in the literature. Otorhinolaryngologists, ophthalmologists, and pediatricians should collaborate to diagnose and manage CS to prevent progressive hearing loss and eye involvement.
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Síndrome de Cogan , Perda Auditiva Neurossensorial , Ceratite , Humanos , Criança , Perda Auditiva Neurossensorial/diagnóstico , Síndrome , Ceratite/diagnósticoRESUMO
BACKGROUND/OBJECTIVES: The aim of our study is twofold: To evaluate the presentation, diagnosis, clinical course, and management of juvenile dermatomyositis (JDM) in children under three years of age, and to compare with older-onset patients. METHODS: Nine patients with early-onset, and 63 patients with older-onset JDM followed between December 2010 and April 2022 are included. We also reviewed the literature on early-onset JDM from the inceptions of the PubMed/MEDLINE and Scopus databases up to April 1st, 2022. RESULTS: Early-onset JDM patients were characterized by longer median diagnostic delay (p = 0.005), calcinosis (p = 0.006), anti-NXP2 antibody (p = 0.049). Diagnostic pathway included muscle biopsy (77.7% versus 50.8%). Muscle biopsy findings were more severe in the early-onset group (p<0.001). Although there was no difference in the partial and complete remission rates, the relapse rate was significantly higher in the early-onset group (p = 0.001), reflected to requirement of intravenous immunoglobulin (p = 0.001), cyclophosphamide (p = 0.011), and biological agents (p = 0.016). Literature search revealed 32 articles reporting 75 patients. The median diagnostic delay was 5 (1-30) months. Calcinosis was present in 29.5%. Twenty-three of the 44 patients (52.3%) had a muscle biopsy. Forty-one patients (64.1%) received second and third-line treatments. Complete remission was achieved in almost half of these patients (48.9%), but relapse was observed in 75%. The mortality rate was 10.2%. CONCLUSION: Diagnosis can be challenging and delayed in early-onset JDM patients. Compared to older-onset JDM patients, this group had higher relapse rate, more severe muscle biopsy findings, and received intensive immunosuppressive treatment.
Assuntos
Calcinose , Dermatomiosite , Criança , Humanos , Pré-Escolar , Dermatomiosite/diagnóstico , Dermatomiosite/tratamento farmacológico , Centros de Atenção Terciária , Diagnóstico Tardio , Estudos Retrospectivos , Calcinose/diagnósticoRESUMO
OBJECTIVES: Rice body (RB) formation is an uncommon inflammatory process seen in systemic disorders. In this study, we aimed to assess characteristic features of RBs in pediatric patients. METHOD: We retrospectively evaluated pediatric patients who underwent joint/extremity magnetic resonance imaging. A systematic literature review was conducted for articles including children with RBs. RESULTS: We found 24 patients (median age 6.1 years; F/M = 2.4) with RBs [23 with juvenile idiopathic arthritis (JIA) and one with arthralgia]. The most prevalent location for RBs was the knee joint (75%). RBs were most frequently seen as diffuse multiple millimetric structures. In three out of five patients with follow-up magnetic resonance imaging, resolution or regression of RBs was observed without surgical intervention. Our literature search identified 13 pediatric patients with RBs. Most (84.6%) had JIA, and the knee joint (71.4%) was the most commonly affected joint. Surgery was preferred in our 3 patients (12.5%) and 10 literature patients (83.3%) in the treatment. CONCLUSION: Our results showed that RBs were most commonly detected in the knee joint, and most cases were secondary to JIA. Although surgery is used as a treatment option, we observed that RBs can occasionally disappear during follow-up without surgical intervention.
Assuntos
Artrite Juvenil , Doenças Reumáticas , Humanos , Criança , Estudos Retrospectivos , Doenças Reumáticas/complicações , Artrite Juvenil/complicações , Articulação do Joelho/diagnóstico por imagem , Articulação do Joelho/cirurgia , Articulação do Joelho/patologia , Imageamento por Ressonância Magnética/métodosRESUMO
OBJECTIVES: The lower extremity venous wall thickness (VWT) of Behçet's disease (BD) patients was reported to be significantly increased in adults, suggesting its use for the support of BD diagnosis. This prospective study aimed to investigate the lower extremity VWT in childhood-onset definite and incomplete BD patients and compare it to healthy age-matched controls. METHODS: Paediatric patients classified with BD according to the 2015 international paediatric BD criteria in our centre were included in the study. Intima-media thickness of the lower extremity veins to evaluate VWT was measured by ultrasonography, including common femoral vein (CFV), femoral vein (FV), vena saphena magna, vena saphena parva and popliteal vein (PV). RESULTS: In this cross-sectional study, VWT was measured in 35 patients (63% male) and 27 healthy controls (55% male). Thirteen (37%) of 35 patients met the criteria for the diagnosis of BD. The remaining 22 (63%) had incomplete BD and met two criteria. The median VWT values of both definite and incomplete BD patients were significantly higher than the control group in all veins on both sides. Regarding the best cut-off values of VWT for all lower extremity veins, the sensitivity rates were between 63% and 86%, while specificity rates were between 71% and 100%. CONCLUSION: Increased VWT was present not only in BD patients with vascular involvement but also in those without. We suggest that VWT may be a new criterion in supporting the diagnosis of childhood BD both in definite and incomplete BD patients.