Patients with psoriasis are frequently using sunbeds

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EAACI Guidelines on Allergen Immunotherapy: Executive Statement

Abstract

The allergist's community has recently celebrated 100 year of Allergen Immunotherapy (AIT). Unfortunately the implemention of this treatment is still impaired by some challenges. With the diversity of definitions, methodology and different allergen products used, research studies have produced conflicting outcomes. This has resulted in confusion about the benefits and risks of AIT amongst policymakers and professionals, as well as in the variable availability of AIT products, regulation and reimbursement policies globally. In 2015 EAACI initiated the AIT Guidelines project as part of the Presidential plan in order to settle the controversies.

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Prediction of the severity of allergic reactions to foods

Abstract

Background

There is currently considerable uncertainty regarding what the predictors of the severity of diagnostic or accidental food allergic reactions are, and to what extent the severity of such reactions can be predicted.

Objective

To identify predictors for the severity of diagnostic and accidental food allergic reactions and to quantify their impact.

Methods

The study population consisted of children with a double-blind, placebo-controlled food challenge (DBPCFC) confirmed food allergy to milk, egg, peanut, cashew nut and/or hazelnut. The data was analyzed using multiple linear regression analysis. Missing values were imputed using multiple imputation techniques. Two scoring systems were used to determine the severity of the reactions.

Results

734 children were included. Independent predictors for the severity of the DBPCFC reaction were: age (B=0.04, p=0.001), skin prick test ratio (B=0.30, p<0.001), eliciting dose (B=-0.09, p<0.001), level of specific immunoglobulin E (B=0.15, p<0.001), reaction time during the DBPCFC (B=-0.01, p=0.004), and severity of accidental reaction (B=0.08, p=0.015). The total explained variance of this model was 23.5%, and the eliciting dose only contributed 4.4% to the model. Independent predictors for more severe accidental reactions with an explained variance of 7.3% were: age (B=0.03, p=0.014), milk as causative food (B=0.77, p<0.001), cashew as causative food (B=0.54, p<0.001), history of atopic dermatitis (B=-0.47, p=0.006), and severity of DBPCFC reaction (B=0.12, p=0.003).

Conclusions

The severity of DBPCFCs and accidental reactions to food remain largely unpredictable. Clinicians should not use the eliciting dose obtained from a graded food challenge for the purposes of making risk-related management decisions.

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Mild phenotype of junctional epidermolysis bullosa with pyloric atresia due to a novel mutation of the ITGB4 gene

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Case of bullous pemphigoid associated with teneligliptin accompanied by severe mucous membrane involvement

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Acne and hidradenitis suppurativa

Summary

Acne and hidradenitis suppurativa (HS) both centre on hair follicles. They often occur together as part of the acne tetrad, but are found in distinct localizations. Acne is primarily defined by the presence of comedones and inflammatory lesions. However, in HS the intertriginous localization and chronicity play equally important roles for the diagnosis to the inflammatory lesions. Genetics, bacteria, environmental factors and innate inflammation have all been found to play a role in acne and/or HS. Surprisingly, there is little overlap between the findings so far. The genetics of acne and HS are distinct, bacteria have not been shown convincingly to play a role in HS, and the important risk factors obesity and smoking in HS cannot be easily translated to acne. The one driving factor central to both diseases is innate inflammation, most strikingly involving interleukin-1. Hence the interleukin-1 family, as already shown in autoinflammatory conditions associated with acne, could represent attractive treatment targets.

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Retrospective study: Rapamycin or rapalog 0.1% cream for facial angiofibromas in Tuberous Sclerosis Complex: Evaluation of treatment effectiveness and cost

Abstract

The use of topical rapamycin or rapalog, an mTOR inhibitor, has shown promising results in treating facial angiofibromas (FA) in children with Tuberous Sclerosis Complex (TSC). Nevertheless, several issues remain: the effectiveness, stability and tolerability of ingredients; and the cost - the higher the concentration of rapamycin the more expensive the product. In this retrospective comparative study, children with TSC and FA were treated consecutively with three different topical rapalog compounds of 0.1%, the lowest concentration with crushed tablets to demonstrate an effect.

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