Kawasaki disease (KD) is one of the most common vasculitides of childhood. The aim of this retrospective study is to determine the incidence of KD and to evaluate its presenting symptoms, clinical course, laboratory tests, and treatment in patients with complete KD and incomplete KD at three pediatric rheumatology centers in Poland from January 2011 to December 2012. A total of 27 Caucasian children (12 boys and 15 girls) with median age of 3 years (range 4 months–12 years) were included in this study. The incidence of complete versus incomplete KD was 17 (63 %) versus 10 (37 %) children, respectively. Patients with incomplete KD significantly less presented cervical lymphadenopathy (20 vs. 88.2 %; p = 0.00075), changes in extremities (30 vs. 76.5 %; p = 0.04), and bilateral nonpurulent conjunctivitis (60 vs. 100 %; p = 0.01). Cardiac assessments show that the majority of patients with KD have not got coronary artery aneurysms (CAA). The median time from the onset of symptoms to intravenous immunoglobulin (IVIG) infusion was 7 days for complete KD and 11 days for incomplete KD. IVIG delay in the incomplete KD had no effect on the incidence of CAA. In conclusion, there were no differences in demographic features, age of onset, and laboratory tests of patients with complete and incomplete KD. Patients with incomplete KD significantly rarely presented cervical lymphadenopathy, changes in extremities, and conjunctival injection. Electrocardiography is a sensitive test to recognize cardiac involvement in the acute phase of KD. Despite the fact that incomplete forms of presentation often delay diagnosis, in most patients treatment with IVIG can avoid complication of CAA.
Biologicals are very effective for inhibiting disease progression in active juvenile idiopathic arthritis (JIA). To date, there have been no recommendations on how and when to stop therapy with TNF inhibitors. Our objective was to analyze characteristics and the disease course of JIA patients who discontinued etanercept due to achievement of inactive disease. Data of 39 patients with JIA from two clinical pediatric rheumatology centers in Bydgoszcz and Lublin (Poland) were analyzed retrospectively. All patients discontinued etanercept due to a remission on treatment. Etanercept was started after a mean 33.7 ± 36 (range 3–137) months of disease. The mean duration of therapy with etanercept was 34.7 ± 16.7 (range 6–72) months, with a mean duration of remission on medication 21.3 ± 9.6 (range 4–42) months before withdrawal of etanercept. The mean duration of remission after etanercept discontinuation was 14.2 ± 12.1 (range of 1–60) months. Only 12/39 (30.8 %) patients did not develop a disease exacerbation until the end of the study. Early flares, that is less than 6 months after termination of etanercept, were observed in 15/39 (38.5 %) patients. Twelve (30.8 %) patients restarted etanercept after exacerbation—all patients responded satisfactorily. Our data show that etanercept discontinuation in a substantial proportion of JIA patients results in early disease exacerbation. In many cases, reintroduction of etanercept is needed. Patients, in whom etanercept was restarted, responded satisfactorily.
We investigated the association between dietary intake of n-3 and n-6 polyunsaturated fatty acids (PUFAs), serum profiles, and immune and inflammatory markers in juvenile idiopathic arthritis (JIA) in relation to onset, activity, and duration. A total of 66 JIA patients and 42 controls were included. Serum PUFA levels were assessed by gas-liquid chromatography-mass spectrometry, a dietary intake by 7-day dietary record method, and IL-6, IL-10, and IL-17A levels using ELISA. Dietary PUFA intake did not differ between the JIA group and controls. Intakes of n-6 and n-3 PUFA and serum levels were not associated. Levels of total n-6 PUFA and linoleic acid (LA) were higher in inactive JIA than in active JIA. Patients with active and short-lasting disease (less than 3 months from diagnosis) had significantly lower levels of arachidonic acid (AA) and docosahexaenoic acid (DHA) than the control. Serum α-linolenic acid (ALA) levels were significantly higher in poly-JIA than in oligo-JIA and in controls. We found significantly higher serum IL-10 levels in JIA than in controls. Serum n-6 and n-3 levels were significantly negatively correlated with active joint count, erythrocyte sedimentation rate, and C-reactive protein and positively with platelet count. Our study presents the low levels of AA and DHA in the active phase of short-lasting JIA, particularly poly-JIA, and the relationship between n-6 and n-3 PUFA and classic markers of inflammation. PUFAs may contribute to the pathogenesis of JIA and support a necessity to identify new targets suitable for successful interventional studies in JIA patients.
SummaryBackgroundTo evaluate the long-term safety and efficacy of etanercept treatment in Polish patients with juvenile idiopathic arthritis (JIA).Material/MethodsThe study involved patients, fulfilling the JIA criteria of the International League of Associations of Rheumatology (ILAR), who were started on etanercept therapy after methotrexate and other synthetic disease-modifying antirheumatic drugs (DMARDs) had proven ineffective. Patient data were collected in an electronic registry. Disease improvement was assessed based on Giannini’s criteria.ResultsThe statistical analysis involved 188 patients. Significant improvement was observed in all clinical and laboratory parameters after the first month of therapy and was maintained in the following months. ACR Pediatric 30, 50, 70, 90, and 100 improvement was observed in 81.4%, 65.9%, 27.5%, 16.2%, and 15%, respectively, of patients after 3 months and in 94.7%, 88.4%, 62.1%, 34.7%, and 26.3%, respectively, after 24 months of treatment. Throughout the 72-month safety observation period, 1162 adverse events were reported; the exposure-adjusted AE rate was 2.96 per patient per year.ConclusionsIn patients with various subtypes of JIA resistant to conventional DMARD treatment, etanercept resulted in significant and long-lasting improvements in disease activity. Combination treatment with etanercept and a DMARD was well tolerated.
Complex Regional Pain Syndrome (CRPS) is a neurological disorder of unknown etiology which may lead to severe disability. Its diagnosis is very difficult and based on diagnostic criteria which have been changing over last years. Still, there is no golden standard in diagnosis of this entity. Three-phase bone scan is a widely used diagnostic modality which has been proved useful in CRPS evaluation. The syndrome may present various scintigraphic patterns. Different diagnostic modalities can also be helpful when CRPS is suspected including plain film radiography, magnetic resonance imaging and ultrasonography. Multidisciplinary approach is necessary for proper and quick diagnosis. We present a case of CRPS in 12-year-old girl in whom the diagnosis was based on the bone scan.
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