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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 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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Rituximab (RTX) is a chimeric monoclonal antibody that targets the CD20 antigen on B cells and is used in various autoimmune disorders. In this study, we aimed to measure the awareness of pediatric rheumatologists about the use of RTX through a survey. Between February and March 2023, a 42-question survey was sent via email to pediatric rheumatology specialists in Turkey. The participants were questioned for which diagnoses and system involvement they preferred to use RTX, which routine tests they performed, vaccination policy, and adverse events that occurred during or after infusion. Forty-one pediatric rheumatologists answered the survey. They prescribed RTX most frequently for systemic lupus erythematosus (87.8%) and ANCA-associated vasculitis (9.8%). Prior to the administration of RTX, 95% of clinicians checked renal and liver function tests, as well as immunoglobulin levels. The most frequently tested hepatitis markers before treatment were HBsAg and anti-HBs antibody (97.6%), while 85.4% of rheumatologists checked for anti-HCV. Clinicians (31.4%) reported that they postpone RTX infusion 2 weeks following an inactivated vaccine. Sixty-one percent of rheumatologists reported starting RTX treatment 1 month after live vaccines, while 26.8% waited 6 months. The most frequent adverse events were an allergic reaction during RTX infusion (65.9%), hypogammaglobulinemia (46.3%), and rash (36.6%). In the event of hypogammaglobulinemia after RTX treatment, physicians reported that they frequently (58.5%) continued RTX after intravenous immunoglobulin administration. CONCLUSIONS: RTX has become a common treatment option in pediatric rheumatology in recent years. Treatment management may vary between clinician such as vaccination and routine tests. WHAT IS KNOWN: ⢠During the course of rituximab therapy, clinicians should be attentive to specific considerations in pre-treatment, during administration, and in post-treatment patient monitoring. WHAT IS NEW: ⢠There are differences in practice among clinicians in the management of RTX therapy. These practice disparities have the potential to impact the optimal course of treatment. ⢠This study highlights that standardized guidelines are needed for RTX treatment in pediatric rheumatology, particularly for vaccination policies and routine tests.
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Antirreumáticos , Padrões de Prática Médica , Reumatologistas , Rituximab , Humanos , Rituximab/uso terapêutico , Rituximab/efeitos adversos , Padrões de Prática Médica/estatística & dados numéricos , Antirreumáticos/uso terapêutico , Antirreumáticos/efeitos adversos , Criança , Inquéritos e Questionários , Masculino , Turquia , Feminino , Reumatologia , Doenças Autoimunes/tratamento farmacológico , Pediatras/estatística & dados numéricos , PediatriaRESUMO
OBJECTIVES: To assess the association between serological activity (SA) and clinical inactivity in SLE and to investigate whether SA predicts flare after clinically inactive disease (CID) and remission. METHODS: Longitudinal data of children from 3 paediatric rheumatology referral centres were retrospectively reviewed. CID was defined as clinical SLEDAI = 0 in patients with a prednisolone dose < 15 mg/day. A modified DORIS remission on treatment criteria was used to determine remission. RESULTS: Of the 124 patients included, 89.5% displayed SA at onset. Through follow-up, the rate of SA decreased to 43.3% at first CID and 12.1% at remission. Among patients with CID, 24 (20.7%) experienced a moderate to severe flare before the attainment ofremission. While previous proliferative lupus nephritis (OR : 10.2, p: 0.01) and autoimmune haemolytic anaemia (OR : 6.4, p: 0.02) were significantly associated with an increased odds of flare after CID, SA at CID was not associated with flare. In contrast, 21 (19.6%) patients experienced a flare in a median of 18 months after remission. Hypocomplementemia (OR : 9.8, p: 0.02) and a daily hydroxychloroquine dose < 5 mg/kg (OR : 5.8, p: 0.02) at remission significantly increased the odds of flare. CONCLUSION: SA increases the odds of flare at remission but not at CID. Suboptimal dosing of hydroxychloroquine should be avoided, especially in children with SA in remission to lower the risk of flares.
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OBJECTIVE: We aimed to compare the clinical and laboratory characteristics of patients with SLE according to the weighted complement status of the EULAR/ACR criteria and investigate whether different weighting of the complement status at disease onset is associated with outcomes. METHODS: Patients diagnosed with juvenile onset SLE who fulfilled the 2019 EULAR/ACR classification criteria were retrospectively analyzed. RESULTS: Among 43 patients included, hypocomplementemia was observed in 37 (86%), mostly with a low level of both complement C3 (C3) and complement C4 (C4) (53.5%). In patients with low levels of both C3 and C4, more common cutaneous (65.2% vs 28.6%, p: 0.045), musculoskeletal involvement (78.3% vs 42.9%, p: 0.039), autoimmune hemolytic anemia (52.2% vs 14.3%, p: 0.035), positive anti-dsDNA (65.2% vs 21.4%, p: 0.017) and anti-Sm antibodies (60.9% vs 21.4%, p: 0.04) were observed. In addition these patients had higher scores from the 2019 EULAR/ACR classification criteria (26 vs 15.5, p: < 0.0001). Remission and flare rates, and SLE associated damage were not differed according to the complement status in patients with hypocomplementemia. CONCLUSION: Observation of more frequent clinical and serological activity with higher total scores from the EULAR/ACR classification criteria supported the higher scoring of patients with low C3 and C4 in the weighted criteria. However, since significant number of patients did not exhibit low complement C4, and the frequency of kidney involvement did not differ according to the weighted complement status, complement C3 might be suggested as a more important diagnostic tool in patients with juvenile onset SLE. Also, weighted complement status at onset did not seem to affect the disease outcomes.
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Lúpus Eritematoso Sistêmico , Humanos , Lúpus Eritematoso Sistêmico/diagnóstico , Complemento C3 , Estudos Retrospectivos , Complemento C4 , Anticorpos AntinuclearesRESUMO
BACKGROUND: Lupus low disease activity state (LLDAS) is a treatment target for patients with SLE and is associated with decreased risk for severe flare and new damage. We investigated the utility of the achievement of LLDAS in children with lupus nephritis and whether attainment of LLDAS is associated with more favorable outcomes. METHODS: Data of children, diagnosed with biopsy-proven lupus nephritis between January 2012 and December 2020, were retrospectively analyzed. RESULTS: For patients who did not achieve LLDAS after initial treatment (first 6 months), presence of autoimmune hemolytic anemia (62% vs. 18%, p = 0.047), anti-Sm (85% vs. 18%, p = 0.003) and anti-dsDNA (77% vs. 27%, p = 0.038) antibodies, proliferative lupus nephritis (77% vs. 27%, p = 0.038), and hypertension (69% vs. 9%, p = 0.005) at onset were more frequently encountered. Also, a lower rate of complete kidney response (43% vs. 100%, p = 0.005) and a higher rate of hypertension (86% vs. 13%, p = 0.002) were observed in patients who did not achieve LLDAS-50, defined as being in LLDAS at least 50% of the observation time. Attainment of both LLDAS after initial treatment and LLDAS-50 were associated with lower rates of kidney flare (p = 0.001 and p = 0.002, respectively) and damage accrual (p = 0.007 and p = 0.02, respectively) through the observation period. CONCLUSIONS: LLDAS is an attainable treatment target for children with lupus nephritis and associated with lower rates of kidney flare and damage. Presence of hematologic involvement, hypertension, and proliferative lupus nephritis at onset adversely influenced the early achievement of LLDAS. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Hipertensão , Lúpus Eritematoso Sistêmico , Nefrite Lúpica , Humanos , Criança , Nefrite Lúpica/complicações , Nefrite Lúpica/tratamento farmacológico , Estudos Retrospectivos , Rim , Indução de Remissão , Índice de Gravidade de DoençaRESUMO
OBJECTIVES: The aim of this study was to investigate the clinical associations of the second allele mutations and the effect of genotype and presenting features on colchicine resistance in children with familial Mediterranean fever (FMF), carrying at least one M694V variant. METHODS: The medical records of the patients diagnosed with FMF, in whom at least one allele M694V mutation was detected, were reviewed. Patients were grouped according to the genotype as M694V homozygotes, compound heterozygote M694V with an exon 10 mutation, compound heterozygote M694V with a variant of unknown significance (VUS), and M694V heterozygotes. Disease severity was assessed with the International Severity Scoring System for FMF. RESULTS: Among the 141 patients included, homozygote M694V (43.3%) was the most frequent MEFV genotype. Clinical manifestations of FMF at diagnosis were not significantly different according to genotypic alterations except homozygote M694V. Besides, homozygous M694V was associated with a more severe disease, with more frequent comorbidities and colchicine-resistant disease. A lower disease severity score was observed in compound heterozygotes with VUS than in M694V heterozygotes (median 1 vs 2, p = 0.006). Regression analysis revealed that homozygous M694V, arthritis, and frequency of attacks were associated with an increased risk of colchicine-resistant disease. CONCLUSIONS: Clinical manifestations of FMF at diagnosis with a M694V allele were predominantly influenced by the M694V rather than the second allele mutations. Although homozygous M694V was associated with the most severe form, the presence of compound heterozygosity with a VUS did not affect disease severity or clinical features. Homozygous M694V confers the highest risk of colchicine-resistant disease.
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Febre Familiar do Mediterrâneo , Criança , Humanos , Febre Familiar do Mediterrâneo/diagnóstico , Febre Familiar do Mediterrâneo/tratamento farmacológico , Febre Familiar do Mediterrâneo/epidemiologia , Colchicina/uso terapêutico , Genótipo , Mutação , Estudos de Associação Genética , Pirina/genéticaRESUMO
BACKGROUND: Antinuclear antibody (ANA) is among the most frequently ordered tests in paediatric rheumatology setting. Diseases like systemic lupus erythematosus and Sjögren syndrome is closely related with a positive ANA and classified as ANA associated diseases. Besides, ANA test is ordered in patients with juvenile idiopathic arthritis (JIA) to assess the risk for uveitis and a positive ANA could be detected in children with nonrheumaticrheumatic conditions. In this study, we aimed to investigate frequency of positive ANA in paediatric rheumatology setting and the association of immunofluorescence staining patterns and titres of ANA with rheumatic diseases. METHODS: : Immunofluorescence staining patterns, and titres of the ANA and diagnoses of children who tested for ANA between January 2016 and December 2021 were retrospectively analysed. RESULTS: Among 2477 patients with ANA tested, 28.1% had a positive ANA result. Among them, 39.2% had a diagnosis of a rheumatic disease. Most common rheumatic diagnosis was JIA (43.8%) and ANA associated diseases were observed in 24.5% of the patients with a rheumatic diagnosis. While ANA associated diseases had significantly more frequent homogenous staining, dense fine speckled pattern was significantly more common in children with nonrheumatic diagnoses. Despite ANA associated diseases was found to be significantly associated with higher titres, no difference was observed between patients with JIA and nonrheumatic conditions. DISCUSSION: Our study showed that the majority of children with a positive ANA test were not diagnosed with a rheumatic disease. While titres and patterns of ANA were found to be important in diagnosis of rheumatic diseases, ordering ANA test with solid indications might give improved probability of rheumatic diagnoses in children with a positive test.
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Artrite Juvenil , Doenças Reumáticas , Reumatologia , Criança , Humanos , Anticorpos Antinucleares , Estudos Retrospectivos , Artrite Juvenil/diagnóstico , Doenças Reumáticas/diagnóstico , ImunofluorescênciaRESUMO
OBJECTIVE: Anemia is common in patients with juvenile systemic lupus erythematosus (jSLE). While autoimmune hemolytic anemia (AIHA) is the only etiology included in the classification criteria, the etiology of anemia in jSLE may be diverse. We aimed to investigate the etiology of anemia in jSLE and the relationship between anemia and disease characteristics at onset and during the follow-up period. METHODS: Patients diagnosed with jSLE who met the Systemic Lupus Erythematosus International Collaborating Clinics classification criteria between January 2012 and December 2020 were retrospectively analyzed. RESULTS: Hematologic involvement was observed in 70% of the patients. Anemia was the most common cytopenia among patients (60%). Anemia of chronic disease (ACD) and AIHA were the most common etiological factors, both observed in 23% of patients. Patients with anemia had a significantly higher rate of positive ds-DNA antibody and higher erythrocyte sedimentation rate (ESH) and Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) scores. ESH, serum ferritin, and SLEDAI scores negatively correlated with hemoglobin levels in patients with anemia. Iron deficiency was the sole etiology of new-onset anemia. Patients with new-onset anemia during the follow-up period had significantly lower hemoglobin values at onset and a higher rate of renal involvement. CONCLUSION: Anemia in jSLE is mostly AIHA and ACD, but iron deficiency is not rare. The severity of inflammation is associated with the severity of anemia. During the follow-up period, iron deficiency was the predominant cause of anemia, especially in patients with lower hemoglobin concentrations at onset and renal involvement.
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Anemia Hemolítica Autoimune , Lúpus Eritematoso Sistêmico , Trombocitopenia , Anemia Hemolítica Autoimune/complicações , Anticorpos Antinucleares , Humanos , Lúpus Eritematoso Sistêmico/complicações , Lúpus Eritematoso Sistêmico/diagnóstico , Estudos Retrospectivos , Índice de Gravidade de Doença , Trombocitopenia/complicaçõesRESUMO
BACKGROUND: The association between brain-derived neurotrophic factor (BDNF) and systemic lupus erythematosus (SLE) is controversial, and no study investigated the clinical associations of BDNF in patients with childhood onset systemic lupus erythematosus (cSLE). In this study, we aimed to investigate the serum levels of BDNF in patients with cSLE and examine whether a relationship of BDNF exists among depression, anxiety, and sleep quality. METHODS: Thirty patients and age-sex matched healthy controls were included. Depression, anxiety, sleep quality and quality of life were assessed by relevant questionnaires. Disease activity was assessed according to the SLE disease activity index (SLEDAI) and serum BDNF level was measured by the enzyme-linked immunosorbent assay method. RESULTS: Serum BDNF level was significantly lower in cSLE patients than healthy controls (21981 vs 29905 pg/mL, p = 0.001) and significantly decreased level was observed in active cSLE (SLEDAI >0), then those with SLEDAI = 0 (17110 vs 26852 pg/mL, p = 0.005). Although the scores of the depression, anxiety, sleep quality and quality of life questionnaires were strongly correlated with each other, no correlation was observed with serum BDNF levels. CONCLUSIONS: In patients with cSLE, serum level of BDNF was significantly decreased compared to healthy controls. Our results suggest that serum BDNF levels were not associated with the presence of anxiety, depression and poor sleep quality and might be dictated by the pathophysiological process of SLE rather than mood disorders.
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Lúpus Eritematoso Sistêmico , Humanos , Fator Neurotrófico Derivado do Encéfalo , Depressão , Qualidade de Vida , Qualidade do Sono , AnsiedadeRESUMO
The effects of biological disease-modifying antirheumatic drugs (bDMARDs) in the clinical course of COVID-19 on children with underlying rheumatologic diseases have not been fully demonstrated. To evaluate the course of COVID-19 infection in patients with rheumatic disease receiving bDMARD treatment. This was a retrospective, multicenter study conducted in pediatric patients infected by SARS-CoV-2 and under bDMARDs therapy. The study population consisted of 113 patients (72 female/41 male). The mean age of the patients was 12.87 ± 4.69 years. The primary diagnosis of the cohort was as follows: 63 juvenile idiopathic arthritis, 35 systemic autoinflammatory diseases, 10 vasculitides, and five cases of connective tissue diseases. The mean duration of the primary disease was 4.62 ± 3.65 years. A total of 19 patients had additional comorbid diseases. Thirty-five patients were treated with canakinumab, 25 with adalimumab, 18 with etanercept, 10 with infliximab, nine with tocilizumab, six with rituximab, four with anakinra, three with tofacitinib, and one with abatacept. The median exposure time of the biological drug was 13.5 months. Seventy-one patients had symptomatic COVID-19, while 42 were asymptomatic. Twenty-four patients required hospitalization. Five patients presented with MIS-C. The hospitalized patients were younger and had a shorter duration of rheumatic disease compared to ambulatory patients, although the difference was not statistically significant. Steroid usage, presence of fever, and dyspnea were more common among the hospitalized patients. A worsening in the course of both COVID-19 and current disease was not noticed under bDMARDs, however, to end with a strong conclusion multicentric international studies are required.
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Antirreumáticos/uso terapêutico , Produtos Biológicos/uso terapêutico , COVID-19/complicações , Doenças Reumáticas/complicações , Adolescente , Criança , Progressão da Doença , Feminino , Humanos , Masculino , Estudos Retrospectivos , Doenças Reumáticas/tratamento farmacológicoRESUMO
Background/aim: Hymenoptera venom allergy is one of the leading causes of systemic allergic reactions in both adults and children. The present study was conducted to evaluate the prevalence and characteristics of Hymenoptera venom allergy in urban school children aged 6 to 18 years living in Trabzon. Materials and methods: In this cross-sectional, two-level survey study, children were recruited using random sampling of public primary and secondary schools. Firstly, parents were asked about their child's age and sex and whether their child had ever been stung by any kind of bee. When they responded "yes" to the last question, they attended a face-to-face interview at the outpatient clinic for the second part of the survey, which included information about history of insect stings and the presence of atopic diseases. Results: Of 17,000 children, 7904 (46.5%; 3718 males, 47.0%) returned the first-level questionnaire. A total of 4312 (54.5%) were stung at least once in their lifetime. Males had a significantly higher risk of being stung (59.4%, odds ratio: 1.44, 95% confidence interval: 1.321.58, p < 0.0001). The second-level questionnaire was completed for 545 (12.6%) of the children. Of 950 stings reported in 545 children, 5.2% were large local reactions (LLRs), 1.9% were generalized cutaneous reactions (GCRs), and 1.3% were systemic reactions (SRs). The stinging insect was Apis mellifera and Vespula in 66.2% and 33.8% of stings, respectively (p < 0.001). Conclusion: Hymenoptera stings are common in urban school children living in Trabzon. The most common type of allergic reaction is LLR and the most reported stinging insect is Apis mellifera.
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Venenos de Artrópodes , Himenópteros , Hipersensibilidade , Mordeduras e Picadas de Insetos , Animais , Estudos Transversais , Hipersensibilidade/epidemiologia , Mordeduras e Picadas de Insetos/epidemiologia , Masculino , Prevalência , Instituições AcadêmicasRESUMO
Sjögren's syndrome (SS) is less frequently diagnosed in childhood than in adults, and central nervous system (CNS) disease is among the rarest systemic involvements. Thus, the clinical spectrum of CNS diseases and their management strategies have not been fully defined. In this article, we present the case of a 16-year-old girl who was referred for severe headache and diagnosed with SS with CNS involvement. Several immunosuppressive treatments failed to improve her neurological symptoms until the rituximab treatment. When we systematically reviewed the literature on cases of CNS involvement in childhood-onset SS, we found that CNS involvement was the presenting feature at the diagnosis of SS in the majority of published cases. While headache and fever were the most frequent complaints at presentation, most of the children displayed features of neuromyelitis optica spectrum disorder. CNS disease showed a variable response to immunosuppressives, and residual neurological deficits were not rare. Additionally, a significant number of cases required treatment with rituximab due to the treatment failures or subsequent flares. Sjögren's syndrome should be considered in children presenting with predominant neurological symptoms, and careful evaluation of glandular features might help in the prompt diagnosis of childhood-onset SS in children with CNS disease.
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BACKGROUND: The aim of the study was to evaluate the approaches of pediatric rheumatologists and pediatric hematologists to patients with similar musculoskeletal (MSK) complaints and to highlight the differences that general pediatricians should consider when referring patients to these specialties. METHODS: This is a cross-sectional study involving the patients who applied to pediatric rheumatology centers with MSK complaints and were diagnosed with malignancy, as well as patients who were followed up in pediatric hematology centers with a malignancy diagnosis, and had MSK complaints at the time of admission. RESULTS: A total of 142 patients were enrolled in the study. Of these patients, 83 (58.4%) applied to pediatric rheumatology centers, and 59 (41.6%) applied to pediatric hematology centers. Acute lymphoblastic leukemia (ALL) was the most common diagnosis among the patients who applied to both centers, with 80 cases (56.3%). The median age of diagnosis was 87 (interquartile range, IQR: 48-140) months. The most common preliminary diagnosis in pediatric rheumatology centers was juvenile idiopathic arthritis (JIA), with 37 cases (44.5%). MSK involvement was mainly seen as arthralgia, and bone pain. While arthralgia (92.7%) was the most common complaint in rheumatology centers, bone pain (88.1%) was more common in hematology centers. The most frequently involved joints were the knee (62.9%), ankle (25.9%), hip (25%), and wrist (14%). The most common laboratory abnormalities were high lactate dehydrogenase (LDH), high C-reactive protein (CRP), anemia, and high erythrocyte sedimentation rate (ESR). Thrombocytopenia, neutropenia, and high LDH were statistically significantly more frequent in patients admitted to hematology centers than in patients admitted to rheumatology centers (p < 0.001, p=0.014, p=0.028, respectively). Patients who applied to rheumatology clinics were found to have statistically significantly higher CRP levels (p=0.032). CONCLUSIONS: Malignancies may present with only MSK system complaints in childhood. Therefore, malignancies should be included in the differential diagnosis of patients presenting with MSK complaints.
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Artrite Juvenil , Neoplasias , Criança , Humanos , Pré-Escolar , Estudos Transversais , Estudos Retrospectivos , Neoplasias/complicações , Neoplasias/diagnóstico , Artrite Juvenil/diagnóstico , ArtralgiaRESUMO
BACKGROUND: Juvenile idiopathic arthritis (JIA) is a prevalent childhood chronic arthritis, often persisting into adulthood. Effective transitional care becomes crucial as these patients transition from pediatric to adult healthcare systems. Despite the concept of transitional care being recognized, its real-world implementation remains inadequately explored. This study aims to evaluate the thoughts and practices of healthcare providers regarding transitional care for JIA patients. METHODS: A cross-sectional survey was conducted among pediatric and adult rheumatologists in Turkey. Based on the American Academy of Pediatrics' six core elements of transitional care, the survey included 86 questions. The respondents' demographic data, attitudes towards transitional care, and practical implementation were assessed. RESULTS: The survey included 48 rheumatologists, with 43.7% having a transition clinic. The main barriers to establishing transition programs were the absence of adult rheumatologists, lack of time, and financial constraints. Only 23.8% had a multidisciplinary team for transition care. Participants agreed on the importance of coordination and cooperation between pediatric and adult healthcare services. The timing of the transition process varied, with no consensus on when to initiate or complete it. Participants advocated for validated questionnaires adapted to local conditions to assess transition readiness. CONCLUSIONS: The study sheds light on the challenges and perspectives surrounding transitional care for JIA patients in Turkey. Despite recognized needs and intentions, practical implementation remains limited due to various barriers. Cultural factors and resource constraints affect the transition process. While acknowledging the existing shortcomings, the research serves as a ground for further efforts to improve transitional care and ensure better outcomes for JIA patients transitioning into adulthood.
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Artrite Juvenil , Transição para Assistência do Adulto , Cuidado Transicional , Adolescente , Humanos , Artrite Juvenil/terapia , Estudos Transversais , Reumatologistas , TurquiaRESUMO
BACKGROUND: The clinical presentation of mercury (Hg) intoxication may mimic rheumatic diseases. Hg exposure is associated with systemic lupus erythematosus (SLE)-like disease in genetically susceptible rodents and Hg is among the environmental factors in the development of SLE in humans. Herein, we presented a case with clinical and immunological features suggestive of SLE but diagnosed with Hg intoxication. CASE: A thirteen-year-old female with myalgia, weight loss, hypertension and proteinuria was referred to our clinic for the evaluation of possible SLE. Physical examination of the patient was unremarkable except for a cachectic appearance and hypertension, laboratory investigation revealed positive anti-nuclear antibody, dsDNA antibody and hypocomplementemia with nephrotic range proteinuria. Inquiry for toxic exposures revealed a continuous exposure to an unknown silverly shiny liquid for a month which was thought to be Hg. Due to the fulfillment of Systemic Lupus International Collaborating Clinics (SLICC) classification criteria for SLE, a percutaneous kidney biopsy was performed whether proteinuria resulted because of the Hg exposure or flare of lupus nephritis. Blood and 24-hour urine Hg levels were high, and no findings associated with SLE were observed in the examination of the kidney biopsy. The patient was diagnosed with Hg intoxication and, clinical and laboratory findings, including hypocomplementemia, positive ANA and anti-dsDNA antibody, improved with chelation therapy. Also, no findings associated with SLE were observed in the follow-up of the patient. CONCLUSIONS: In addition to the toxic effects, Hg exposure may cause autoimmune features. As far as we know, this is the first-time Hg exposure was associated with hypocomplementemia and anti-dsDNA antibody in a patient. Also, this case highlights the inconvenience of the use of classification criteria for diagnostic purposes.
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Hipertensão , Lúpus Eritematoso Sistêmico , Mercúrio , Feminino , Humanos , Adolescente , Lúpus Eritematoso Sistêmico/induzido quimicamente , Lúpus Eritematoso Sistêmico/diagnóstico , Terapia por Quelação , ProteinúriaRESUMO
Musculoskeletal symptoms associated with the use of aromatase inhibitors are a well-known side effect of these drugs and are more prevalent in postmenopausal women. Aromatase inhibitor-associated symptoms are not overt inflammatory processes so are described as arthralgia syndrome. In contrast, aromatase inhibitor-associated inflammatory conditions such as myopathies, vasculitis, and rheumatoid arthritis were also reported. To our knowledge, inflammatory arthritis or tendinopathy associated with aromatase inhibitors were not reported in children despite their increased off-label use in the pediatric setting. Herein, we report a girl with inflammatory arthritis and tendinopathy associated with letrozole treatment.
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Artrite Reumatoide , Neoplasias da Mama , Doenças Musculoesqueléticas , Reumatologia , Tendinopatia , Feminino , Humanos , Criança , Letrozol/efeitos adversos , Inibidores da Aromatase/efeitos adversos , Doenças Musculoesqueléticas/tratamento farmacológico , Artrite Reumatoide/tratamento farmacológico , Tendinopatia/induzido quimicamente , Tendinopatia/diagnóstico , Neoplasias da Mama/tratamento farmacológicoRESUMO
OBJECTIVE: Rheumatoid factor (RF)-positive polyarthritis is the least common type of juvenile idiopathic arthritis (JIA). Functional disability in RF-positive polyarthritis patients is much more severe than in patients with other subtypes; but data on this subtype alone is limited. This study aimed to analyze clinical features, long-term follow-up, treatment response, and remission status in a large multicenter cohort of RF-positive polyarthritis patients. METHODS: This retrospective study included RF-positive polyarthritis patients that were followed up for ≥ 6 months between 2017 and 2022 by the Pediatric Rheumatology Academy (PeRA)-Research Group (RG). Data on patient demographics, clinical and laboratory characteristics were obtained from medical charts. JIA treatments and duration of treatment were also recorded. The patients were divided into 2 groups based on methotrexate (MTX) response, as follows: group 1: MTX responsive, group 2: MTX unresponsive. Clinical and laboratory findings were compared between the 2 groups. RESULTS: The study included 56 (45 female and 11 male) patients. The median age at onset of RF-positive polyarthritis was 13.2 years [(interquartile range) (IQR): 9.0-15.0 years] and the median duration of follow-up was 41.5 months (IQR: 19.5-75.7 months). Symmetrical arthritis affecting the metacarpophalangeal and proximal interphalangeal joints of the hands was commonly observed. Subcutaneous MTX was the preferred initial treatment; however, it was ineffective in 39 (69.6%) of the patients. Of 25 patients followed for 24 months, 56% still had active disease at 24 months. CONCLUSION: During 2 years of treatment, 44% of RF-positive polyarthritis patients have inactive disease, and they should be considered as a distinct and important clinical entity requiring aggressive and early treatment.