This update and revision of the international guideline for urticaria was developed following the methods recommended by Cochrane and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group. It is a joint initiative of the Dermatology Section of the European Academy of Allergology and Clinical Immunology (EAACI), the Global Allergy and Asthma European Network (GA²LEN) and its Urticaria and Angioedema Centers of Reference and Excellence (UCAREs and ACAREs), the European Dermatology Forum (EDF; EuroGuiDerm), and the Asia Pacific Association of Allergy, Asthma and Clinical Immunology with the participation of 64 delegates of 50 national and international societies and from 31 countries. The consensus conference was held on 3 December 2020. This guideline was acknowledged and accepted by the European Union of Medical Specialists (UEMS). Urticaria is a frequent, mast cell–driven disease that presents with wheals, angioedema, or both. The lifetime prevalence for acute urticaria is approximately 20%. Chronic spontaneous or inducible urticaria is disabling, impairs quality of life, and affects performance at work and school. This updated version of the international guideline for urticaria covers the definition and classification of urticaria and outlines expert‐guided and evidence‐based diagnostic and therapeutic approaches for the different subtypes of urticaria.
BACKGROUND: \ud \ud During recent years numerous studies have suggested that personal and environmental factors might influence cancer development.\ud \ud OBJECTIVES: \ud \ud To investigate environmental and personal characteristics associated with skin cancer risk.\ud \ud METHODS: \ud \ud A multicentre hospital-based case-control study was performed in Finland, Germany, Greece, Italy, Malta, Poland, Scotland and Spain, including 409 patients with squamous cell carcinoma (SCC), 602 with basal cell carcinoma (BCC) and 360 with cutaneous malignant melanoma (CMM) and 1550 control persons. Exposures were assessed by questionnaires that were partly self-administered, partly completed by dermatologists. Unconditional logistic regression modelling was used to assess associations including the influence of certain drugs and food items on skin cancer risk.\ud \ud RESULTS: \ud \ud The usual associations were observed for sun exposure and pigmentation characteristics, with chronic sun exposure being most strongly associated with SCC risk, and naevi and atypical naevi with CMM risk. Use of ciprofloxacin was associated with a decreased risk of BCC [odds ratio (OR) 0·33] and use of thiazide diuretics was associated with an increased risk of SCC (OR 1·66). Ciprofloxacin was also associated with SCC (OR 0·34) and thiazines with BCC (OR 2·04), but these associations lost significance after correction for multiple testing. Consumption of pomegranate, rich in antioxidants, was associated with decreased BCC and SCC risk, also after correcting for multiple testing. Recent experience of stressful events was associated with increased risk, particularly of CMM.\ud \ud CONCLUSIONS: \ud \ud In this large case-control study from across Europe the expected associations were observed for known risk factors. Some new potential protective factors and potential risk factors were identified for consumption of certain food items, medication use and stress, which deserve further investigation in future studies
SummaryBackground There are limited data regarding the association of actinic keratosis (AK) and other types of nonmelanoma skin cancer (NMSC); studies investigating possible correlation of AK with melanocytic naevi are even scarcer. To our knowledge, there are no data examining the risk of AK in people using specific medications. Objective To investigate constitutional and exposure risk factors leading to AK and the coexistence of AK with NMSC and melanoma. Methods A multicentre hospital-based case-control study was performed in Finland, Germany, Greece, Italy, Malta, Poland, Scotland and Spain, including 343 patients with actinic keratosis (AK), 409 with squamous cell carcinoma (SCC), 602 with basal cell carcinoma (BCC), 360 with invasive melanoma and 119 with in situ melanoma, and 686 control subjects. Exposures were assessed by questionnaires that were partly self-administered and partly filled out by dermatologists. Unconditional logistic regression modelling was used to assess associations including the influence of phenotypic characteristics, presence of naevi, sunexposure habits and certain drugs on AK risk. Results Differences in hair and eye coloration variably influenced the risk for AK, with red hair signifying a seven times higher risk [odds ratio (OR) 6AE9, 95% confidence interval (CI) 4AE34-11AE00), and brown -compared with blue -eyes, about a 40% reduced risk (OR 0AE61, 95% CI 0AE13-0AE92). The darker the skin phototype, the lower the risk for AK, with phototype IV exhibiting nine times less risk of developing AK. Some and many freckles on the arms were associated with an OR of 1AE8 (95% CI 1AE08-2AE81) and 3AE0 (95% CI 1AE10-3AE54), respectively, while overall number of naevi and high educational level were inversely associated with AK. Sun exposure, thiazide diuretics and cardiac drugs had a higher risk for AK. SCC was the most frequent (58%) skin neoplasm coexisting with AKs, followed by BCC (30%), melanoma in situ (12%) and invasive melanoma (6%). Conclusion In this large case-control study from across Europe the expected associations were confirmed for known risk factors. Some possible new risk factors, including cardiac and diuretic drugs, were identified, creating a new field for further investigation in future studies.
The positive impact of past campaigns can be seen in the high reported rates of sun protection in children. However, much remains to be done with adults in order to change their attitude about a 'healthy suntan' and to convince them that it is worthwhile to protect themselves from the sun.
Schoolbag weight in schoolchildren is a recurrent and contentious issue within the educational and health sphere. Excessive schoolbag weight can lead to back pain in children, which increases the risk of chronic back pain in adulthood. There is limited research regarding this among the Maltese paediatric population. A cross-sectional study was undertaken across all schools in Malta among students aged 8-13 years (inclusive). Data were collected using a questionnaire detailing schoolbag characteristics, self-reported pain and demographic variables, such as age and gender. Structured interviews with participants were also carried out by physiotherapists. A total of 4005 participants were included in the study, with 20% of the total Malta schoolchildren population. Over 70% of the subjects had a schoolbag that exceeded the recommended 10% bag weight to body ratio. A total of 32% of the sample complained of back pain, with 74% of these defining it as low in intensity on the face pain scale-revised. The presence of back pain was statistically related to gender, body mass index (BMI), school and bag weight to body weight ratio. After adjusting for other factors, self-reported back pain in schoolchildren is independently linked to carrying heavy schoolbags. This link should be addressed to decrease the occurrence of back pain in this age group.
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