941 resultados para 2-YEAR


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We present results of the paleoparasitological analysis of Cervidae coprolites that were recovered from the archaeological site Furna do Estrago, Pernambuco, Brazil. Trichuris sp. eggs were recovered from the coprolite samples dated 1,040 ± 50 years before present. This is the first record of Trichuris sp. in semiarid Cervidae, unexpectedly recorded in archaeological material.

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OBJECTIVE This study was designed to evaluate the impact of a teleassistance system on the metabolic control of type 2 diabetes patients. RESEARCH DESIGN AND METHODS We conducted a 1-year controlled parallel-group trial comparing patients randomized (1) to an intervention group, assigned to a teleassistance system using real-time transmission of blood glucose results, with immediate reply when necessary, and telephone consultations, or (2) to a control group, being regularly followed-up at their healthcare center. Study subjects were type 2 diabetes patients >30 years of age followed in the primary care setting. RESULTS A total of 328 type 2 diabetes patients were recruited from 35 family practices in the province of Málaga, Spain. There was a reduction in hemoglobin A1c after 12 months from 7.62 +/- 1.60% to 7.40 +/- 1.43% (P = 0.027) in the intervention group and from 7.44 +/- 1.31% to 7.35 +/- 1.38% (P = 0.303) in the control group. The difference in the change between groups was not statistically significant. There was also a significant decrease in systolic and diastolic blood pressure, total cholesterol, low-density lipoprotein cholesterol, and body mass index in the intervention group. In the control group, the only significant decline was in low-density lipoprotein cholesterol. CONCLUSIONS A teleassistance system using real-time transmission of blood glucose results with an option to make telephone consultations is feasible in the primary care setting as a support tool for family physicians in their follow-up of type 2 diabetes patients.

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Purpose of the study: Basic life support (BLS) and automated externaldefibrillation (AED) represent important skills to be acquired duringpregraduate medical training. Since 3 years, our medical school hasintroduced a BLS-AED course (with certification) for all second yearmedical students. Few reports about quality and persistence over timeof BLS-AED learning are available to date in the medical literature.Comprehensive evaluation of students' acquired skills was performedat the end of the 2008 academic year, 6 month after certification.Materials and methods: The students (N = 142) were evaluated duringa 9 minutes «objective structured clinical examination» (OSCE) station.Out of a standardized scenario, they had to recognize a cardiac arrestsituation and start a resuscitation process. Their performance wererecorded on a PC using an Ambuman(TM) mannequin and the AmbuCPR software kit(TM) during a minimum of 8 cycles (30 compressions:2 ventilations each). BLS parameters were systematically checked. Nostudent-rater interactions were allowed during the whole evaluation.Results: Response of the victim was checked by 99% of the students(N = 140), 96% (N = 136) called for an ambulance and/or an AED. Openthe airway and check breathing were done by 96% (N = 137), 92% (N =132) gave 2 rescue breaths. Pulse was checked by 95% (N=135), 100%(N = 142) begun chest compression, 96% (N = 136) within 1 minute.Chest compression rate was 101 ± 18 per minute (mean ± SD), depthcompression 43 ± 8 mm, 97% (N = 138) respected a compressionventilationratio of 30:2.Conclusions: Quality of BLS skills acquisition is maintained during a6-month period after a BLS-AED certification. Main targets of 2005 AHAguidelines were well respected. This analysis represents one of thelargest evaluations of specific BLS teaching efficiency reported. Furtherfollow-up is needed to control the persistence of these skills during alonger time period and noteworthy at the end of the pregraduatemedical curriculum.

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An aeropalynological study was carried out in the atmosphere of Estepona, a very popular tourist resort situated in the "Costa del Sol", (southern Spain) based on the data obtained during a three year air-monitoring programme (March 1995 to March 1998) using a volumetric pollen trap. The 34 taxa that reached a 10-day mean air pollen concentration equal to or greater than 1 grain of pollen/m(3) of air are reflected in the calendar. The first 10 taxa, in order of abundance, were: Cupressaceae, Olea europaea, Quercus, Poaceae, Urticaceae, Plantago, Pinus, Chenopodiaceae-Amaranthaceae, Ericaceae and Castanea, the first 3 of which accounted for approximately 56 % of the annual total pollen count. The greatest diversity of pollen type occurred during spring, while the highest pollen concentrations were reached from February-June, when approximately more than 80 % of the annual total pollen was registered. The lowest concentrations were obtaining during January, August and September. The annual quantity of pollen collected, the intensity and the dates on which the maximum peaks were recorded differed for the 3 years studied, which can be explained by reference to various meteorological parameters, especially rainfall and temperature. The pollen calendar spectrum is typically Mediterranean and similar to those of nearby localities, in which many pollen types are represented and the long tails indicating long flowering periods.

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Given the significant impact the use of glucocorticoids can have on fracture risk independent of bone density, their use has been incorporated as one of the clinical risk factors for calculating the 10-year fracture risk in the World Health Organization's Fracture Risk Assessment Tool (FRAX(®)). Like the other clinical risk factors, the use of glucocorticoids is included as a dichotomous variable with use of steroids defined as past or present exposure of 3 months or more of use of a daily dose of 5 mg or more of prednisolone or equivalent. The purpose of this report is to give clinicians guidance on adjustments which should be made to the 10-year risk based on the dose, duration of use and mode of delivery of glucocorticoids preparations. A subcommittee of the International Society for Clinical Densitometry and International Osteoporosis Foundation joint Position Development Conference presented its findings to an expert panel and the following recommendations were selected. 1) There is a dose relationship between glucocorticoid use of greater than 3 months and fracture risk. The average dose exposure captured within FRAX(®) is likely to be a prednisone dose of 2.5-7.5 mg/day or its equivalent. Fracture probability is under-estimated when prednisone dose is greater than 7.5 mg/day and is over-estimated when the prednisone dose is less than 2.5 mg/day. 2) Frequent intermittent use of higher doses of glucocorticoids increases fracture risk. Because of the variability in dose and dosing schedule, quantification of this risk is not possible. 3) High dose inhaled glucocorticoids may be a risk factor for fracture. FRAX(®) may underestimate fracture probability in users of high dose inhaled glucocorticoids. 4) Appropriate glucocorticoid replacement in individuals with adrenal insufficiency has not been found to increase fracture risk. In such patients, use of glucocorticoids should not be included in FRAX(®) calculations.

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Candida species are an important cause of bloodstream infections (BSI). To evaluate the epidemiological, clinical and microbiological aspects of two cohorts {1994-1999 [period 1 (P1) ]; 2000-2004 [period 2 (P2) ]} of candidaemic patients, we performed a retrospective analysis from a laboratory-based survey. A total of 388 candidaemias were identified, with an incidence of 0.20/1,000 patient-days and a significant increase in P2 vs. P1 (0.25 vs. 0.15, p = 0.04). Cancer and prior antibiotic use were frequent and Candida albicans was the most prevalent species found (42.4%). Resistance to fluconazole was found in 2.47% of the strains. No differences were observed in the species distribution of Candida during the study periods. In the P2 cohort, there were higher prevalence of elderly individuals, cardiac, pulmonary and liver diseases, renal failure, central venous catheters and antibiotic therapy. In P1, there were higher prevalence of neurological diseases and chemotherapy. The crude mortality was 55.4%. In conclusion, our incidence rates remained high. Furthermore, the distribution pattern of Candida species and the fluconazole resistance profile remained unchanged. Moreover, we found a clear trend of higher prevalence of candidaemia among the elderly and among patients with comorbidities. Finally, it is necessary to discuss strategies for the prevention and control of Candida BSI in Brazil.

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BACKGROUND/OBJECTIVES: (1) To cross-validate tetra- (4-BIA) and octopolar (8-BIA) bioelectrical impedance analysis vs dual-energy X-ray absorptiometry (DXA) for the assessment of total and appendicular body composition and (2) to evaluate the accuracy of external 4-BIA algorithms for the prediction of total body composition, in a representative sample of Swiss children. SUBJECTS/METHODS: A representative sample of 333 Swiss children aged 6-13 years from the Kinder-Sportstudie (KISS) (ISRCTN15360785). Whole-body fat-free mass (FFM) and appendicular lean tissue mass were measured with DXA. Body resistance (R) was measured at 50 kHz with 4-BIA and segmental body resistance at 5, 50, 250 and 500 kHz with 8-BIA. The resistance index (RI) was calculated as height(2)/R. Selection of predictors (gender, age, weight, RI4 and RI8) for BIA algorithms was performed using bootstrapped stepwise linear regression on 1000 samples. We calculated 95% confidence intervals (CI) of regression coefficients and measures of model fit using bootstrap analysis. Limits of agreement were used as measures of interchangeability of BIA with DXA. RESULTS: 8-BIA was more accurate than 4-BIA for the assessment of FFM (root mean square error (RMSE)=0.90 (95% CI 0.82-0.98) vs 1.12 kg (1.01-1.24); limits of agreement 1.80 to -1.80 kg vs 2.24 to -2.24 kg). 8-BIA also gave accurate estimates of appendicular body composition, with RMSE < or = 0.10 kg for arms and < or = 0.24 kg for legs. All external 4-BIA algorithms performed poorly with substantial negative proportional bias (r> or = 0.48, P<0.001). CONCLUSIONS: In a representative sample of young Swiss children (1) 8-BIA was superior to 4-BIA for the prediction of FFM, (2) external 4-BIA algorithms gave biased predictions of FFM and (3) 8-BIA was an accurate predictor of segmental body composition.

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BACKGROUND: Few studies describe recent changes in the incidence, treatment, and outcomes of cardiogenic shock. OBJECTIVE: To examine temporal trends in the incidence, therapeutic management, and mortality rates of patients with the acute coronary syndrome (ACS) and cardiogenic shock, and to assess associations of therapeutic management with death and cardiogenic shock developing during hospitalization. DESIGN: Analysis of registry data collected among patients admitted to hospitals between 1997 and 2006. SETTING: 70 of the 106 acute cardiac care hospitals in Switzerland. PATIENTS: 23 696 adults with ACS enrolled in the AMIS (Acute Myocardial Infarction in Switzerland) Plus Registry. MEASUREMENTS: Cardiogenic shock incidence; treatment, including rates of percutaneous coronary intervention; and in-hospital mortality rates. RESULTS: Rates of overall cardiogenic shock (8.3% of patients with ACS) and cardiogenic shock developing during hospitalization (6.0% of patients with ACS and 71.5% of patients with cardiogenic shock) decreased during the past decade (P < 0.001 for temporal trend), whereas rates of cardiogenic shock on admission remained constant (2.3% of patients with ACS and 28.5% of patients with cardiogenic shock). Rates of percutaneous coronary intervention increased among patients with cardiogenic shock (7.6% to 65.9%; P = 0.010), whereas in-hospital mortality decreased (62.8% to 47.7%; P = 0.010). Percutaneous coronary intervention was independently associated with lower risk for both in-hospital mortality in all patients with ACS (odds ratio, 0.47 [95% CI, 0.30 to 0.73]; P = 0.001) and cardiogenic shock development during hospitalization in patients with ACS but without cardiogenic shock on admission (odds ratio, 0.59 [CI, 0.39 to 0.89]; P = 0.012). LIMITATIONS: There was no central review of cardiogenic shock diagnoses, and follow-up duration was confined to the hospital stay. Unmeasured or inaccurately measured characteristics may have confounded observed associations of treatment with outcomes. CONCLUSION: Over the past decade, rates of cardiogenic shock developing during hospitalization and in-hospital mortality decreased among patients with ACS. Increased percutaneous coronary intervention rates were associated with decreased mortality among patients with cardiogenic shock and with decreased development of cardiogenic shock during hospitalization.

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Aims: To investigate the long-term efficacy and safety of denosumab (DMAb) for the treatment of postmenopausal women with osteoporosis in an open-label extension to the 3-year FREEDOM study.1Methods: All women who completed the FREEDOM study were eligible to enter a long-term open-label extension (up to 10 years). After providing informed consent, participants received 6-monthly subcutaneous injections of DMAb (60 mg). Here we report data from the first year of followup. For women randomized to DMAb in the FREEDOM study ('long-term group'), this represents up to 48 months of DMAb exposure (eight 6-monthly injections). For those randomized to placebo ('de novo group') the data are from up to 12 months of exposure (two injections). All participants continued to take calcium (1 g) and vitamin D (≥400 IU) supplements daily. Changes in bone mineral density (BMD) and bone turnover markers (BTM) are reported for subjects enrolled in the extension. No formal statistical testing was planned for this interim report. P-values are descriptive.Results: Overall, 4,550 eligible women (70.2%) who completed the FREEDOM study entered the open-label extension study (long-term, n=2,343; de novo, n=2,207). During the first year of the extension, lumbar spine (LS) BMD in the long-term group further increased by 2.0% (12.1% increase vs. FREEDOM baseline at 48 months), and total hip (TH) BMD further increased by 0.8% (6.5% increase at 48 months) (p<0.0001 for both BMD gains during year 4; Fig. 1). During the first year of the extension, LS and TH BMD increased by 5.4% and 3.0%, respectively in the de novo group (both p<0.0001). After DMAb initiation, serum C-telopeptide (CTX) in the de novo group decreased rapidly and similarly to the long-term group (Fig. 2). Reductions in BTMs continue to attenuate at the end of the dosing interval as previously reported. Adverse event (AE) rates were similar (70.4% of women in the longterm group and 67.9% in the de novo group). Serious Aes were also similar (9.8% and 11.2% of women, respectively). During year 4, osteoporotic nonvertebral fractures were reported in 31 women in the long-term group and 51 in the denovo group.Fig. 1. Percentage change in BMD with denosumab for4 years (long-term) or 1 year (de novo)Fig. 2. Percentage change in sCTX over timeConclusions: These interim results suggest that continuation of DMAb treatment through 48 months is associated with further significant increases in spine and hip BMD with sustained reduction of bone turnover. The de-novo treatment group results confirm the first year active treatment findings previously reported1.Acknowledgements: Amgen Inc. sponsored this study. Figure ©2010, American Society for Bone and Mineral Research, used by permission, all rights reserved. Disclosure of Interest: H. Bone Grant/Research Support from: Amgen, Eli Lilly, Merck, Nordic Bioscience, Novartis, Takeda Pharmaceuticals, Consultant/Speaker's bureau/ Advisory activities with: Amgen, Merck, Takeda Pharmaceuticals, Zelos, S. Papapoulos Consultant/Speaker's bureau/ Advisory activities with: Amgen, Merck, Novartis, Lilly, Procter and Gamble, GSK, M.-L. Brandi Grant/Research Support from: MSD, GSK, Nycomed, NPS, Amgen, J. Brown Grant/Research Support from: Abbott, Amgen, Bristol Myers Squibb, Eli Lilly, Pfizer, Roche, Consultant/ Speaker's bureau/Advisory activities with: Abbott, Amgen, Eli Lilly, Novartis, Merck, Warner Chilcott,, R. Chapurlat Grant/Research Support from: Servier, Sanofi-Aventis, Warner-Chilcott, Novartis, Merck, Consultant/Speaker's bureau/Advisory activities with: Servier, Novartis, Amgen, E. Czerwinski: None Declared, N. Daizadeh Employee of: Amgen Inc., Stock ownership or royalties of: Amgen Inc., A. Grauer Employee of: Amgen Inc., Stock ownership or royalties of: Amgen Inc., C. Haller Employee of: Amgen Inc., Stock ownership or royalties of: Amgen Inc., M.-A. Krieg: None Declared, C. Libanati Employee of: Amgen Inc., Stock ownership or royalties of: Amgen Inc., Z. Man Grant/Research Support from: Amgen, D. Mellström: None Declared, S. Radominski Grant/Research Support from: Amgen, Pfizer, Roche, BMS, J.-Y. Reginster Grant/Research Support from: Bristol Myers Squibb, Merck Sharp & Dohme, Rottapharm, Teva, Lilly, Novartis, Roche, GlaxoSmithKline, Amgen, Servier, Consultant/Speaker's bureau/ Advisory activities with: Servier, Novartis, Negma, Lilly,Wyeth, Amgen, GlaxoSmithKline, Roche, Merckle, Nycomed, NPS, Theramex, UCB, Merck, Sharpe & Dohme, Rottapharm, IBSA, Genvrier, Teijin, Teva, Ebewee Pharma, Zodiac, Analis, Theramex, Novo-Nordisk, H. Resch: None Declared, J. A. Román Grant/Research Support from: Roche, Pharma, C. Roux Grant/Research Support from: Amgen, MSD, Novartis, Servier, Roche, Consultant/ Speaker's bureau/Advisory activities with: Amgen, MSD, Novartis, Servier, Roche, S. Cummings Grant/ Research Support from: Amgen, Lilly, Consultant/Speaker's bureau/Advisory activities with: Amgen, Lilly, Novartis, Merck

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BACKGROUND In 1997, 18.5% of the cases of Meningococcal Disease caused b serogroup C in Andalusia were children between 2 and 4 years of age; ages where the initial immune response and the duration of the capsular A + C meningococcal polysaccharide vaccine is less than in older age groups. Research was designed in order to measure the immune response produced by this vaccine in children from 2 to 6 years of age and to compare it with the natural immunity present in unvaccinated children. METHODS I. Dual monitoring study: a) groups of children vaccinated previously and control groups, b) groups of children who were going to be vaccinated, for pre and post-vaccination (1, 6 and 12 months) analysis and a control group. II. The bactericidal activity was measured according to the standardised protocol of the CDC with regard to the strain of N. meningitidis C-11. The sera with bactericidal activity (TAB) > 1:8 were considered to be protective. RESULTS 1 and 2 months following vaccination, the proportion of TAB > 1:8 was significantly higher than that of the control group (65.6% and 73% in comparison to 2.2% and 12%). In the pre-vaccine and post-vaccine (after 6, 7, 12 and 13 months) verification, no significant difference between vaccinated individuals and controls was observed. CONCLUSIONS The differences between vaccinated and unvaccinated individuals 1 and 2 months following vaccination indicate seroconversion in the vaccinated individuals. For the age group of between 2 to 6 years of age, the bactericidal activity acquired decline quickly, as, after 6 months, differences between this group and the control group are no longer observed.

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Introduction: The use of bioabsorbable materials for orthopaedic useand traumatic fracture fixation in children has been poorly investigatedin the litterature and the effects on growing bones seem contradictory.The aim of the study is to compare the clinical and radiological resultsand evolution between bioabsorbable and traditional K-Wires for thetreatment of elbow epiphyseal fractures in children.Method: From jan. 2008 to Dec. 2009 21 children with similar fracturesand age were separated in two groups according to the way of fracturefixation: bioabsorbable K-Wire group and traditional K-Wire group.Follow-up was done at 3, 6 and 12 month post-operatively. Range ofmotion and elbow stability were measured for all patients. Theradiological evolution of the two groups were compared in term ofconsolidation, ossous resorption and radiolucencies. The clinicalresults were compared according to the Mayo Elbow Peformancescore. Controlateral elbow is compared with injured elbow in the twogroups.Results: In the bioabsorbable K-wire group, there were 10 children,including 5 girles and 5 boys with an average age of 9.5 years, rangingfrom 5 to 14 years. They were 7 external condylar fractures and3 epitrochlear fractures. In the traditional K-Wire group there were11 children, 2 girls and 9 boys with an average age of 7.6 years,ranging from 4 to 14 years. There were 10 external condylar fracturesand 1 epitrochlear fracture. At first follow up. The Mayo ElbowPerformance score was 93.8 (85-100 )for the bioabsorbable K-Wiregroup and 95.5 (85-100) for the traditional K-Wire group. In twochildren from the bioabsorbable K-Wire group there were transitoryradiolucencies along the wire tract on the x-ray, without clinicalmanifestation of it.We didn't see any premature closure of growingcartilage.Discussion: There is no significant differencies in term of clinical andradiological outcome between the two groups. The use ofbioabsorbable pins seems to be a good alternative to removabletraditional materials, avoiding a second operation.

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Using quantitative fluorescence in situ hybridization and flow cytometry, the telomere length of telomere repeat sequences after stem cell transplantation (SCT) were measured. The study included the telomeres of peripheral blood monocytes that should reflect the length of telomeres in stem cells and the telomeres of T lymphocytes that could shorten as a result of peripheral expansion. The loss of telomeres in monocytes and in memory T cells, although accelerated initially, became comparable to the loss of telomeres in healthy controls from the second year after transplantation. In addition, the telomere length in the naive T cells that were produced by the thymus was comparable to the telomere length in the naive T cells of the donor. Compared to the total length of telomeres available, the loss of telomere repeats in leukocytes after SCT resembles the accelerated shortening seen in early childhood and remains, therefore, relatively insignificant.

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Background: 7 - 20% of the childrenreport suspected allergic reactionsto anti-infectious drugs, thebetalactams being the most frequentlyinvolved. Studies based on skin andchallenge tests have shown that 2 -60% (mean: 10 - 15%) of the childrenwith suspected betalactam hypersensitivitywere really allergic to betalactams,and that the likelihood ofbetalactam hypersensitivity increasedwith the severity and/or the earlinessof the reactions. Methods: We reviewedthe records of 1,865 childrenexplored for suspected betalactam hypersensitivitybetween December1990 and July 2009. The objectivewas to confirm or rule-out the diagnosisof betalactam hypersensitivity, toevaluate the diagnostic value of immediateand non-immediate-readingskin tests with betalactams, and to determinerisk factors for betalactamhypersensitivity. In those childrenskin tests were first performed andthen challenges with the suspectedbetalactams were performed in mostchildren with negative skin test results.Results: 1431 children had acomplete allergological work-up. Fifteen-nine per cent of those childrenwere diagnosed allergic to betalactamsby means of skin tests (7.2%),challenge tests (7.7%), and clinicalhistory (0.9%) respectively. Immediatetype betalactam hypersensitivitywas diagnosed in 3.5% and non-immediatetype in 12.4% of the children.Skin tests diagnosed 86% and 31.6%of immediate and non-immediatesensitizations respectively. Cross-reactivityamong betalactams was diagnosedin 76% of the children with immediatehypersensitivity and in14.7% of the children with non-immediatehypersensitivity. The numberof children diagnosed allergic tobetalactams decreased with time betweenthe reaction and the allergologicalwork-up. Finally, age, sex andpersonal atopy were not significantrisk factors for betalactam allergy.Conclusion: This study, in a verylarge number of children, confirmsthat only a few children with suspectedbetalactam hypersensitivityare really allergic to betalactams, andthat the likelihood of betalactam allergyand cross-reactivity with otherbetalactams increases with the severityand/or the earliness of the reactions.We also confirm that immediate-reading skin tests have a good diagnosticvalue, and that the diagnosticvalue of non-immediate-reading skintests is low, the diagnosis of non-immediatehypersensitivity to betalactamsin children beeing mainly basedon challenge tests.

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OBJECTIVES: The aim of the present study is to investigate the demographics, aetiologies, complications, treatments and visual outcomes in paediatric uveitis patients in the French-speaking part of Switzerland. METHODS: Chart review of all patients diagnosed with uveitis before the age of 16 years, presenting to two tertiary referral centres (uveitis and paediatric rheumatology clinics) in Lausanne, Switzerland, between 2000 and 2009. RESULTS: Seventy-nine children (37 girls) were identified, 62 living in Switzerland, 15 in Europe and 2 in North Africa. Median age at first symptoms was 9.0 years (range 1.5-15.8 years), with a median follow-up time of 1.8 years (0-8 years). Both eyes were involved in 51 patients (64.6%). The course was acute in 30.4%, chronic in 60.8% and recurrent in 8.9%. Anterior uveitis occurred in 39.2%, intermediate in 32.9%, posterior in 22.8% and panuveitis in 5.1%. The three main diagnoses were idiopathic uveitis (34.2%), JIA-related uveitis (22.8%) and toxoplasmic retinochoroiditis (15.2%). During the last follow-up visit, the visual acuity (VA) was ≥8/10 in 72% of all eyes with a measurable VA. Cataract (8%), ocular hypertension/glaucoma (8%) and macular fibrosis (4%) were the three most common severe complications. Systemic steroids were given to 56% and biological agents to 24% of patients with inflammatory uveitis. CONCLUSIONS: Uveitis in children can be a devastating disease. A strict classification of aetiologies and a tight collaboration between paediatric rheumatologists and ophthalmologists are important to ensure early control of ocular inflammation and improve long-term visual prognosis.