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This article reports on the sixth scientific workshop of the European Crohn's and Colitis Organisation [ECCO] on the pathogenesis of extraintestinal manifestations [EIMs] in inflammatory bowel disease [IBD]. This paper has been drafted by 15 ECCO members and 6 external experts [in rheumatology, dermatology, ophthalmology, and immunology] from 10 European countries and the USA. Within the workshop, contributors formed subgroups to address specific areas. Following a comprehensive literature search, the supporting text was finalized under the leadership of the heads of the working groups before being integrated by the group consensus leaders. Copyright © 2018 European Crohn's and Colitis Organisation (ECCO).

Background/Aim: Pyoderma gangrenosum (PG) is a rare, neutrophilic dermatosis often associated with an underlying disease, and clinical data or larger studies are rare. Methods: In this retrospective study, disease characteristics, clinical manifestations, and treatment response were evaluated in a Swiss cohort of PG patients. Results: In participating centers, 34 cases (21 females) of PG were analyzed based on clinical and histological presentation between 2002 and 2012. The mean age at diagnosis was 61.2 years; 50% of the patients experienced only 1 episode of PG. In 13 cases (out of 20), recurrences occurred during PG therapy; 64.1% showed only 1 lesion simultaneously. The predominant localization was the lower limb (67%). The lesions were disseminated in 26.6%. At the time of diagnosis or recurrence, the mean diameter was 37.6 mm and the mean ulcer size was 10.3 cm2. C-reactive protein (CRP) was elevated in 73.2%; leukocytosis was present in 58.9% and neutrophilia in 50.9%. At least 1 associated comorbidity was present in 85% (the most prominent being cardiovascular disease). The most often used systemic treatments were steroids (68.3%), cyclosporine A (31.7%), dapsone (31.7%), and infliximab (13.3%), and the most often used topicals were tacrolimus 0.1% (48.3%) and corticosteroids (35%). PG healed completely at discharge in 50.8%. The average time to diagnosis was 8 months, and the mean duration to healing was 7.1 months. Conclusion: PG is a difficult-to-diagnose skin disease. Here, markers for inflammation such as CRP, leukocytosis, and neutrophilia were elevated in 50-73% of the PG patients.

Background: The Swiss psoriasis registry SDNTT (Swiss Dermatology Network for Targeted Therapies) records the long-term safety and effectiveness of systemic treatment regimens for psoriasis. Patients and Methods: Patients with moderate to severe psoriasis are included in the SDNTT when treatment with a conventional systemic agent or biologic is initiated that was not previously used by the respective patient. Patients are followed over a 5-year period. Clinical data are obtained every 3-6 months using standardized case report forms. Here, baseline data and follow-up data for 1 year of patients included from October 2011 until December 2014 were analyzed. Results: Within 39 months, 323 patients from 7 tertiary dermatology centers in Switzerland were recruited in the SDNTT; 165 patients received biologics and 158 conventional systemic therapies. Patients treated with biologics had a significantly higher severity (PASI 11.3 vs. 9.2, BSA 15.6 vs.11.9, psoriatic arthritis 36.4 vs. 10.8%; p ≤ 0.005, p ≤ 0.013, p ≤ 0.001) and a longer duration of illness (19.2 vs. 14.4 years, p ≤ 0.003) compared to patients starting a conventional systemic treatment. PASI reduction was satisfying in both treatment groups, with 60.6% of patients treated with biologics achieving PASI75 after 1 year compared to 54.2% of patients receiving conventional systemic drugs (nonsignificant). On average, the drug survival in patients receiving a biologic therapy was significantly longer than those receiving conventional systemic treatments (30.5 vs. 19.2 months, p ≤ 0.001). Conclusions: In the real-world setting of a prospective national therapy registry, the application of current therapeutic guidelines for patients with moderate to severe psoriasis resulted in a PASI reduction of approximately 70% within the first year of treatment, but current therapeutic targets of PASI75 and PASI90 were reached in only 58 and 36% of patients, respectively, at 1 year, highlighting a gap in efficacy between selective clinical trials and the real-world setting.

We present the results of a new evaluation of the anomalous magnetic moment a_mu=(g_mu-2)/2 of the muon where the role of input data needed in the evaluation is lowered in the interval between 1.2 and 3.0 GeV below charm threshold. This is achieved by decreasing the size of the weight function in the dispersion integral over the experimental ratio R(s) by subtracting a polynomial from the weight function which mimics its energy dependence in that given energy interval. In order to compensate for this subtraction, the same polynomial weight integral is added again but is now evaluated on a circular contour in the complex plane using QCD and global duality. For the hadronic contribution to the shift in the anomalous magnetic moment of the muon we obtain a_mu^had(LO) = (701.3 +/- 6.4) x 10^-10 at leading order in the electromagnetic coupling. In addition, using the same procedure, we recalculate the next-to-leading contribution a_mu^had(NLO) = (-10.3 +/- 0.2) x 10^-10. Including QED, electroweak, and light-by-light contribution, we obtain a value a_mu = (11 659 185.6 +/- 6.4_had +/- 3.5_LBL +/- 0.4_QED+EW) x 10^-10., 17 pages in LaTeX, including 4 Postscript figures

Public concern about antimicrobial resistance of foodborne pathogens has led to a re-evaluation of the costs and benefits of feeding antimicrobial agents to livestock. The potential benefits of restricting antimicrobial feeding should be evaluated in light of effects on animal health, growth and economic efficiency of production. Previous experiments in research herds showed that feeding milk replacer containing antibiotics increased growth rates of calves, but data are lacking from commercial dairy farms. The purpose of our study was to evaluate the effect of feeding oxytetracycline and neomycin in milk replacer on growth in dairy heifers from birth to four months of age., American Association of Bovine Practitioners Proceedings of the Annual Conference, 2003

This evidence- and consensus-based guideline on the treatment of psoriasis vulgaris was developed following the EuroGuiDerm Guideline and Consensus Statement Development Manual. The second part of the guideline provides guidance for specific clinical and comorbid situations such as treating psoriasis vulgaris patient with concomitant psoriatic arthritis, concomitant inflammatory bowel disease, a history of malignancies or a history of depression or suicidal ideation. It further holds recommendations for concomitant diabetes, viral hepatitis, disease affecting the heart or the kidneys as well as concomitant neurological disease. Advice on how to screen for tuberculosis and recommendations on how to manage patients with a positive tuberculosis test result are given. It further covers treatment for pregnant women or patients with a wish for a child in the near future. Information on vaccination, immunogenicity and systemic treatment during the COVID-19 pandemic is also provided.

This evidence- and consensus-based guideline on the treatment of psoriasis vulgaris was developed following the EuroGuiDerm Guideline and Consensus Statement Development Manual. The first part of the guideline includes general information on the scope and purpose, health questions covered, target users and strength/limitations of the guideline. Suggestions for disease severity grading and treatment goals are provided. It presents the general treatment recommendations as well as detailed management and monitoring recommendations for the individual drugs. The treatment options discussed in this guideline are as follows: acitretin, ciclosporin, fumarates, methotrexate, adalimumab, apremilast, brodalumab, certolizumab pegol, etanercept, guselkumab, infliximab, ixekizumab, risankizumab, secukinumab, tildrakizumab and ustekinumab.