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Moran MC, Brewer MG, Schlievert PM, Beck LA. S. aureus virulence factors decrease epithelial barrier function and increase susceptibility to viral infection. Microbiol Spectr 2023; 11:e0168423. [PMID: 37737609 PMCID: PMC10581065 DOI: 10.1128/spectrum.01684-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 07/03/2023] [Indexed: 09/23/2023] Open
Abstract
Individuals with atopic dermatitis (AD) are highly colonized by Staphylococcus aureus and are more susceptible to severe viral complications. We hypothesized that S. aureus secreted virulence factors may alter keratinocyte biology to enhance viral susceptibility through disruption of the skin barrier, impaired keratinocyte differentiation, and/or inflammation. To address this hypothesis, human keratinocytes were exposed to conditioned media from multiple S. aureus strains that vary in virulence factor production (USA300, HG003, and RN4220) or select purified virulence factors. We have identified the S. aureus enterotoxin-like superantigen SElQ, as a virulence factor of interest, since it is highly produced by USA300 and was detected on the skin of 53% of AD subjects (n = 72) in a study conducted by our group. Treatment with USA300 conditioned media or purified SElQ resulted in a significant increase in keratinocyte susceptibility to infection with vaccinia virus, and also significantly decreased barrier function. Importantly, we have previously demonstrated that keratinocyte differentiation influences susceptibility to viral infection, and our qPCR observations indicated that USA300 S. aureus and SElQ alter differentiation in keratinocytes. CRISPR/Cas9 was used to knock out CD40, a potential enterotoxin receptor on epithelial cells. We found that CD40 expression on keratinocytes was not completely necessary for SElQ-mediated responses, as measured by proinflammatory cytokine expression and barrier function. Together, these findings support that select S. aureus virulence factors, particularly SElQ, enhance the susceptibility of epidermal cells to viral infection, which may contribute to the increased cutaneous infections observed in individuals with AD. IMPORTANCE Staphylococcus aureus skin colonization and infection are frequently observed in individuals with atopic dermatitis. Many S. aureus strains belong to the clonal group USA300, and these strains produce superantigens including the staphylococcal enterotoxin-like Q (SElQ). Our studies highlight that SElQ may play a key role by altering keratinocyte differentiation and reducing barrier function; collectively, this may explain the AD-specific enhanced infection risk to cutaneous viruses. It is unclear what receptor mediates SElQ's effects on keratinocytes. We have shown that one putative surface receptor, CD40, was not critical for its effects on proinflammatory cytokine production or barrier function.
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Affiliation(s)
- Mary C. Moran
- Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA
- Department of Microbiology & Immunology, University of Rochester Medical Center, Rochester, New York, USA
| | - Matthew G. Brewer
- Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA
| | | | - Lisa A. Beck
- Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA
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Sid Idris F, Anis Shaikh H, Vahora I, Moparthi KP, Al Rushaidi MT, Muddam M, Obajeun OA, Abaza A, Jaramillo AP, Hamid P. Maternal Diet and Infant Risk of Eczema and Food Allergy: A Systematic Review. Cureus 2023; 15:e45114. [PMID: 37842462 PMCID: PMC10569370 DOI: 10.7759/cureus.45114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/11/2023] [Indexed: 10/17/2023] Open
Abstract
A significant portion of the pediatric population is affected by allergy diseases, which have become a worldwide public health concern. Could maternal diet during pregnancy or breastfeeding influence allergy outcomes in offspring? If this cause-and-effect relationship exists, it will be simpler to design prevention strategies to reduce the incidence of allergic disorders in children, reduce costs to the public health system and to parents, and improve the quality of life of allergic children and their parents. In this systematic review, we will visit the literature from January 2019 to December 2022 to see if any relationship was found between maternal nutrition and its consequences on children's allergy occurrence. We will focus only on food allergy and eczema outcomes in the offspring. Also, we will summarize what was found to be protective or nonprotective to better control the outcomes if applied in the future.
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Affiliation(s)
- Faten Sid Idris
- Pediatrics, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Humna Anis Shaikh
- Pediatrics, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ilma Vahora
- General Surgery, Saint George's University School of Medicine, Chicago, USA
- General Surgery, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Kiran Prasad Moparthi
- Medicine, SVS Medical College, Mahabubnagar, IND
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Majdah T Al Rushaidi
- Psychology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - MeghanaReddy Muddam
- Medicine, SVS Medical College, Hyderabad, IND
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Omobolanle A Obajeun
- Pediatrics, Al Zahra Private Hospital, Dubai, ARE
- Pediatrics, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Abdelrahman Abaza
- Pathology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Arturo P Jaramillo
- General Practice, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Pousette Hamid
- Neurology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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Giovannini M, Bolis M, Barni S, Liccioli G, Sarti L, Morelli S, Pontone M, Pessina B, Tomei L, Valleriani C, Novembre E, Mori F. Pearls and Pitfalls of Weaning an Infant with Severe Atopic Dermatitis and Sensitization/Allergy to Food. J Clin Med 2023; 12:3889. [PMID: 37373584 DOI: 10.3390/jcm12123889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/21/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Atopic dermatitis (AD) is a common chronic inflammatory skin disorder in childhood. Skin barrier impairment exposes infants to food allergens, potentially causing sensitization followed by IgE-mediated food allergy. We describe the case of an infant with severe AD in whom several sensitizations to foods are detected, with consequently difficult weaning, and a history of anaphylaxis to cashew nut. Foods for which skin tests were negative were introduced into the infant's diet. Then, when AD control was managed, oral food challenges (OFCs) for foods to which the patient was sensitized, with the exception of cashew nut, were performed. The simultaneous presence of sensitization toward multiple foods made it difficult to introduce them using classic OFC. Therefore, it was decided to perform the low-dose, gradual controlled OFC. This led to an introduction of sensitized foods into the infant's diet, with the exception of cashew nut, avoiding allergic reactions. Absolute recommendations on how, when, and where to perform OFCs with allergenic food to which the child with AD is sensitized are lacking so far. In our opinion, OFCs and the subsequent ntroduction of allergenic foods should be individualized, evaluating some factors such as their social and nutritional importance, the patient's age and clinical phenotype (including the history of anaphylaxis), and the sensitization profile. There is agreement on the fact that the dietary approach in children with moderate-severe AD should no longer include a strict elimination diet. We believe that an early, gradual controlled introduction of all allergenics to identify the amount of food tolerated in the absence of reactions, even if low dose, may improve patients' and families' quality of life. However, even if discussing a vast relevant literature, the limitation of our work is that we describe the management of a single patient. Extensive and high-quality research is needed in this field to improve the available evidence in the area.
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Affiliation(s)
- Mattia Giovannini
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
- Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Marta Bolis
- Pediatrics Clinic, ASST-Spedali Civili of Brescia, 25123 Brescia, Italy
| | - Simona Barni
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
| | - Giulia Liccioli
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
| | - Lucrezia Sarti
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
| | - Susanna Morelli
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
| | - Matteo Pontone
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
- Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Benedetta Pessina
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
- Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Leonardo Tomei
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
- Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Claudia Valleriani
- Immunology Laboratory, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
| | - Elio Novembre
- Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Francesca Mori
- Allergy Unit, Meyer Children's Hospital IRCCS, 50139 Florence, Italy
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Atakul G, Çimen SS. The prevalence of sensitization to food allergens in children with atopic dermatitis. Allergol Immunopathol (Madr) 2023; 51:85-90. [PMID: 37169564 DOI: 10.15586/aei.v51i3.828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/09/2023] [Indexed: 05/13/2023]
Abstract
INTRODUCTION Atopic dermatitis (AD) has a complex pathophysiology. The course of the disease is affected by both environmental factors and allergen hypersensitivities. Food and aeroallergens have a significant role in the pathogenesis and disease control. OBJECTIVE In this study, it was aimed to determine the prevalence of food and aeroallergen sensitivity of children with AD. METHODS Children under 18 years with AD who applied to pediatric allergy and immunology outpatient clinics were evaluated. All patients had a skin prick test (SPT) within most common food and aeroallergens. RESULTS One hundred seventy three patients were studied. Most of the moderate and severe AD patients were boys (boys 64% vs. girls 47%). Symptoms started earlier and positive results in SPTs with food allergens were more common in patients with SCORAD (SCORing Atopic Dermatitis) >25 (p < 0.0001). Egg white (39%), egg yolk (31%), cow's milk (13%) and wheat flour (5%), were the most common allergens, respectively. The SCORAD scores were higher in multiple food sensitized patients' groups (p < 0.001). Although, food sensitizations were prevalent in patients who had higher SCORAD scores (p = 0.001), there was no significant difference in sensitization with aeroallergens. (p = 0.392). CONCLUSION Sensitizations to both food and aeroallergens are common in patients with AD. In addition, sensitization to these allergens and SCORAD severity in patients with AD have positive correlation.
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Affiliation(s)
- Gizem Atakul
- Department of Pediatric Allergy and Immunology, Malatya Training and Research Hospıtal, Malatya, Turkey;
| | - Sevgi Sipahi Çimen
- Department of Pediatric Allergy and Immunology, Elazig Fethi Sekin City Hospital, Elazığ, Turkey
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Unmet Medical Needs and Early Referral of Pediatric Atopic Dermatitis: An Expert Modified Delphi Consensus from Saudi Arabia. Dermatol Res Pract 2022. [DOI: 10.1155/2022/5636903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Atopic dermatitis (AD) is a chronic skin disease with increasing prevalence worldwide. It is characterized by pruritic eczematous lesions, affecting up to 20% of the children and negatively impacting their quality of life. Guidelines for AD management are available worldwide, but specific guidelines for pediatric AD in Saudi Arabia are lacking. This consensus document aims to identify the needs for the diagnosis and management of pediatric AD in Saudi Arabia by gathering the opinions and recommendations of key experts. We conducted a three-step modified Delphi method to develop the present consensus. The experts agreed that pediatricians and dermatologists commonly encounter AD; however, it is still under-recognized in its early stage in Saudi Arabia. The family physicians should be involved in assessing suspected children with a family history of atopy, particularly in patients with isolated lesions. Further, the experts confirmed that AD diagnosis should be documented, showing assessment criteria used, key morphological characteristics, and features used to ascertain the severity of the disease. There is still a need for simple validated diagnostic criteria suitable for daily practice for pediatric AD. The experts highlighted several medical conditions that pertain to the diagnosis and management of AD in Saudi Arabia.
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Uncuoğlu A, Aydoğan M, Şimşek IE, Çöğürlü MT, Uçak K, Acar HC. A Prospective Assessment of Clinical Characteristics and Responses to Dietary Elimination in Food Protein-Induced Allergic Proctocolitis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 10:206-214.e1. [PMID: 34737107 DOI: 10.1016/j.jaip.2021.10.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 10/20/2021] [Accepted: 10/20/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Some aspects of diagnostic elimination/challenge diets in food protein-induced allergic proctocolitis (FPIAP) are still poorly defined. OBJECTIVE This study investigated the symptom spectrum, time required for resolution of each symptom, triggering foods, and risk factors for multiple food allergies (MFA) in FPIAP. METHODS Infants referred with visible blood in stool were enrolled after etiologies other than FPIAP had been excluded. Laboratory evaluation, clinical features, and elimination/challenge steps were performed prospectively during diagnostic management. RESULTS Ninety-one of 102 infants (53 boys) were diagnosed with FPIAP. Eleven children did not bleed during challenges. Visible blood in stool began before 2 months of age in 63.6% of the infants not diagnosed with FPIAP, compared with 18.9% of the patients with FPIAP (P = .003). Offending foods were identified as cow's milk (94.5%), egg (37.4%), beef (10.9%), wheat (5.5%), and nuts (3.3%). MFA was determined in 42.9% of patients. Multivariate logistic regression analysis identified atopic dermatitis (AD) (odds ratio [OR]: 2.98, 95% confidence interval [CI]: 1.18-7.55, P = .021) and an eosinophil count ≥300 cells/μL (OR: 2.72, 95% CI: 1.09-6.80, P = .032) as independent risk factors for MFA. Blood and mucus in stool disappeared in a median 3 days (interquartile range [IQR]: 1-14.5 days) and 30 days (IQR: 8-75 days), respectively. CONCLUSIONS A tendency to transient bleeding occurs in infants who present with bloody stool before 2 months of age. A 2-week duration of elimination for blood in stool is sufficient to reach a judgment of suspected foods for FPIAP. Mucus in stool is the last symptom to disappear. Concurrent AD suggests a high probability of MFA in FPIAP.
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Affiliation(s)
- Ayşen Uncuoğlu
- Division of Pediatric Gastroenterology Hepatology and Nutrition, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Metin Aydoğan
- Division of Pediatric Allergy and Immunology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey.
| | - Işıl Eser Şimşek
- Division of Pediatric Allergy and Immunology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Müjde Tuba Çöğürlü
- Division of Pediatric Allergy and Immunology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Kübra Uçak
- Department of Pediatrics, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Hazal Cansu Acar
- Department of Public Health, Cerrahpasa Faculty of Medicine, İstanbul University-Cerrahpasa, Istanbul, Turkey
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Zeng J, Wu W, Tang N, Chen Y, Jing J, Cai L. Maternal Dietary Protein Patterns During Pregnancy and the Risk of Infant Eczema: A Cohort Study. Front Nutr 2021; 8:608972. [PMID: 34150822 PMCID: PMC8206490 DOI: 10.3389/fnut.2021.608972] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 05/11/2021] [Indexed: 12/24/2022] Open
Abstract
Background: Previous studies have suggested that maternal dietary protein was associated with allergic diseases in offspring, but few studies have evaluated the influence of dietary protein patterns. This study aimed to explore the prospective association between maternal dietary protein patterns during pregnancy and the risk of infant eczema. Methods: A total of 713 mother-child pairs from a prospective cohort in Guangzhou, China were recruited. Maternal dietary protein was estimated using a validated face-to-face food frequency questionnaire at 20–28 weeks' gestation from 2017 to 2018. Dietary protein patterns were calculated based on the sources of protein. The data of infant eczema was assessed at 6 months of age using the symptom questionnaire of eczema. Logistic regression was carried out to examine the associations between maternal dietary protein patterns and infant eczema. Results: The cumulative incidence of infant eczema at 6 months of age was 51.19%. Mothers of infants with eczema consumed more protein from poultry source during pregnancy than mothers of infants without eczema, while no statistical differences were observed in maternal intakes of protein from cereals and tubers, vegetables, fruits, red meat, fish and seafood, eggs, dairy, soybean, and nuts and seeds. Four dietary protein patterns were identified and termed poultry, plant, dairy and eggs, and red meat and fish. The cumulative incidence of eczema was 61.2, 45.8, 48.0, 51.4% for these four patterns, respectively. Compared to the poultry dietary pattern, the plant pattern and the dairy and eggs pattern were associated with a reduced risk of infant eczema, and the adjusted odds ratios (95% confidence interval) were 0.572 (0.330–0.992), 0.478 (0.274–0.837), respectively. No such association was observed for the red meat and fish dietary protein pattern. Conclusion: This is the first study that focused on the association between maternal dietary protein during pregnancy from a whole-diet perspective and infant eczema. Compared with the poultry dietary protein pattern, the maternal plant pattern and the dairy and eggs pattern during pregnancy were associated with a reduced risk of infant eczema.
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Affiliation(s)
- Jingjing Zeng
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Weijia Wu
- Department of Scientific Research, Hainan Women and Children's Medical Center, Haikou, China
| | - Nu Tang
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yajun Chen
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Jin Jing
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Li Cai
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, China.,Guangdong Key Laboratory of Nutrition, Diet and Health, Guangzhou, China
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Willems A, Tapley A, Fielding A, Tng V, Holliday EG, van Driel ML, Ball JI, Davey AR, FitzGerald K, Spike NA, Magin PJ. General Practice Registrars' Management of and Specialist Referral Patterns for Atopic Dermatitis. Dermatol Pract Concept 2021; 11:e2021118. [PMID: 33614210 DOI: 10.5826/dpc.1101a118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2020] [Indexed: 12/12/2022] Open
Abstract
Background Atopic dermatitis (AD) is a common presentation in the general practice (GP) setting. Implementation of appropriate referral pathways is instrumental for best patient care and is an essential skill for Australian GP registrars. Objectives We aimed to explore the prevalence and associations of GP registrar referrals to specialists for AD management. Methods A cross-sectional analysis utilizing data from the Registrar Clinical Encounters in Training (ReCEnT) project, an ongoing cohort study that documents in-consultation clinical and educational experience of Australian GP registrars. Registrar, patient, and consultation factors associated with referrals for AD were established using logistic regression. Results A total of 2,783 registrars (96% response rate) provided data from 381,180 consultations from 2010 to 2019. A total of 3,285 (0.55%) of 595,412 diagnoses managed were AD, of which 222 (6.8%) resulted in referral. Of these referrals, 70% were to dermatologists, 17% to allergists/immunologists, and 10% to pediatricians. Associations of referral included registrar female gender, patient age, longer consultation duration; an established (rather than new) AD diagnosis; supervisor advice being sought; and learning goals being generated. Conclusions Both registrar and patient factors influence AD referral patterns. Registrars referred established rather than newly diagnosed AD, suggesting a level of comfort in initial management. Referral was associated with longer consultations, seeking supervisor advice, and generation of learning goals-suggesting these are more complex presentations and, possibly, registrar learning opportunities. A significant proportion of referrals were to non-dermatologist specialists. The implication of this for optimal patient care is a subject for further study.
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Affiliation(s)
- Anneliese Willems
- Eastern Victoria GP Training, General Practice Training Organisation, Melbourne, VIC, Australia.,The University of Melbourne, Department of General Practice, Melbourne, VIC, Australia
| | - Amanda Tapley
- The University of Newcastle, School of Public Health and Medicine, Callaghan, NSW, Australia.,GP Synergy, Regional Training Organisation, NSW & ACT Research and Evaluation Unit, Newcastle, NSW, Australia
| | - Alison Fielding
- The University of Newcastle, School of Public Health and Medicine, Callaghan, NSW, Australia.,GP Synergy, Regional Training Organisation, NSW & ACT Research and Evaluation Unit, Newcastle, NSW, Australia
| | - Vivian Tng
- Department of Dermatology, John Hunter Hospital, Newcastle, NSW, Australia
| | - Elizabeth G Holliday
- The University of Newcastle, School of Public Health and Medicine, Callaghan, NSW, Australia
| | - Mieke L van Driel
- The University of Queensland Faculty of Medicine, Primary Care Clinical Unit, Brisbane, QLD, Australia
| | - Jean I Ball
- Hunter Medical Research Institute, Clinical Research Design, IT and Statistical Support Unit (CReDITSS), New Lambton, NSW, Australia
| | - Andrew R Davey
- The University of Newcastle, School of Public Health and Medicine, Callaghan, NSW, Australia.,GP Synergy, Regional Training Organisation, NSW & ACT Research and Evaluation Unit, Newcastle, NSW, Australia
| | - Kristen FitzGerald
- University of Tasmania, School of Medicine, Hobart, TAS, Australia.,General Practice Training Tasmania (GPTT), Regional Training Organisation, Hobart, TAS, Australia
| | - Neil A Spike
- Eastern Victoria GP Training, General Practice Training Organisation, Melbourne, VIC, Australia.,The University of Melbourne, Department of General Practice, Melbourne, VIC, Australia
| | - Parker J Magin
- The University of Newcastle, School of Public Health and Medicine, Callaghan, NSW, Australia.,GP Synergy, Regional Training Organisation, NSW & ACT Research and Evaluation Unit, Newcastle, NSW, Australia
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Practical Recommendations for the Topical Treatment of Atopic Dermatitis in South and East Asia. Dermatol Ther (Heidelb) 2020; 11:275-291. [PMID: 33313998 PMCID: PMC7859143 DOI: 10.1007/s13555-020-00467-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Indexed: 12/26/2022] Open
Abstract
Introduction There is some evidence to suggest that the prevalence of atopic dermatitis (AD) in Asia is rising. We have therefore developed an algorithm for the topical treatment of AD throughout South and East Asia for use by primary care physicians, pediatricians and dermatologists. Methods Nine AD experts from South and East Asia and one from Europe developed the algorithm based upon treatment guidelines, relevant literature and local treatment practices. The algorithm outlines current best practice for the use of emollients, topical corticosteroids (TCS) and topical calcineurin inhibitors (TCI), with the intention of simplifying the treatment regimen of mild-to-moderate AD in South and East Asia. Results Patients with AD should bathe and cleanse affected skin to remove crusts and scales daily. Emollients should also be applied daily as a maintenance treatment. When selecting appropriate topical anti-inflammatory treatment for AD flares, several factors should be taken into consideration, including the patient’s age, attitude to treatment options and site of AD lesions. Given the concerns regarding the risk of skin atrophy with use of TCS, a TCI should be used to treat AD lesions in sensitive skin areas: pimecrolimus is recommended for mild-to-moderate AD in these locations, while tacrolimus should be considered for moderate and severe cases. Either pimecrolimus or tacrolimus is recommended for flares in other, non-sensitive body locations. A proactive or intermittent maintenance treatment strategy involving regular emollient use and twice-weekly application of a TCI to previously affected areas is encouraged to reduce the risk of flares. Conclusions The algorithm proposed here is intended to simplify the topical treatment of mild-to-moderate AD in daily practice in South and East Asian countries.
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Uncuoglu A, Eser Simsek I, Cogurlu MT, Baydemir C, Aydogan M. Utility of fresh egg skin prick test and egg yolk specific immunoglobulin E for outgrowth. Ann Allergy Asthma Immunol 2020; 125:418-424. [PMID: 32526376 DOI: 10.1016/j.anai.2020.05.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 05/18/2020] [Accepted: 05/18/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND In children younger than 2 years, studies evaluating the value of skin prick tests (SPTs) and specific immunoglobulin E (sIgE) results to predict persistence or resolution of egg allergy (EA) are limited. In addition, the value of egg yolk (EY) sIgE and fresh egg (FE) SPTs has not been well characterized. OBJECTIVE To investigate the optimal decision points (ODPs) for outgrowing allergy with SPTs and sIgE tests for egg allergen preparations. METHODS SPTs for FE, egg white (EW), and EY, sIgE tests for EW and EY, and oral food challenges (OFCs) were performed in children with suspected EA. Reactive patients strictly avoided all dietary egg. After 1 year, EA was reevaluated with addition OFCs, SPTs, and sIgE tests. RESULTS A total of 81 children (median age, 7 months; age range, 2-24 months) were enrolled. Notably, 4 children with a history of anaphylaxis and 60 of 77 children with a positive challenge result underwent egg elimination. The 1-year follow-up OFC test was performed on 59 children. A total of 27 reacted to egg. No persistent patient had a follow-up SPT result for FE of 4 mm or less (positive predictive values of 100% and negative predictive value of 56% for outgrowth). The diameters of the initial SPT for FE decreased 50% or more in half of the patients who outgrew EA. The ODPs for outgrowing allergy for follow-up sIgE tests for EY and EW were 2.1 kU/L or less (positive predictive value of 86.2%) and 4.0 kU/L or less (positive predictive value of 84.6%), respectively. CONCLUSION A SPT diameter for FE of 4 mm or less and sIgE values of 2.1 kU/L or less for EY and 4.0 kU/L or less for EW have a good positive predictive value for outgrowth of EA in children younger than 2 years.
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Affiliation(s)
- Aysen Uncuoglu
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Isıl Eser Simsek
- Division of Pediatric Allergy and Immunology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Mujde Tuba Cogurlu
- Division of Pediatric Allergy and Immunology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Canan Baydemir
- Department of Biostatistics and Medical Informatics, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Metin Aydogan
- Division of Pediatric Allergy and Immunology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey.
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Nowicki RJ, Trzeciak M, Kaczmarski M, Wilkowska A, Czarnecka-Operacz M, Kowalewski C, Rudnicka L, Kulus M, Mastalerz-Migas A, Peregud-Pogorzelski J, Sokołowska-Wojdyło M, Śpiewak R, Adamski Z, Czuwara J, Kapińska-Mrowiecka M, Kaszuba A, Krasowska D, Krêcisz B, Narbutt J, Majewski S, Reich A, Samochocki Z, Szepietowski J, Woźniak K. Atopic dermatitis. Interdisciplinary diagnostic and therapeutic recommendations of the Polish Dermatological Society, Polish Society of Allergology, Polish Pediatric Society and Polish Society of Family Medicine. Part I. Prophylaxis, topical treatment and phototherapy. Postepy Dermatol Alergol 2020; 37:1-10. [PMID: 32467676 PMCID: PMC7247067 DOI: 10.5114/ada.2020.93423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 09/01/2019] [Indexed: 12/17/2022] Open
Abstract
Atopic dermatitis is a chronic and recurrent inflammatory dermatosis with concomitant intensive pruritus, and is diagnosed both in children and adults. Atopic dermatitis-patients are predisposed to have bacterial, viral and fungal skin infections; they also suffer from an increased risk of developing food allergies (especially, at an infantile age), allergic rhinitis, or bronchial asthma (a so-called atopic march). Currently, an increasing atopic dermatitis incidence constitutes a serious medical problem that regards not only dermatology and allergology, but also paediatrics, and family medicine. The basis for atopic dermatitis treatment and prophylaxis is restoration of epidermal barrier functions by means of tailored emollients. Atopic dermatitis therapies should effectively eliminate clinical symptoms of the disease, prevent exacerbations as well as complications, and improve patients' quality of life.
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Affiliation(s)
- Roman J. Nowicki
- Department of Dermatology, Venereology, and Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Magdalena Trzeciak
- Department of Dermatology, Venereology, and Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Maciej Kaczmarski
- Department of Paediatrics, Paediatric Gastroenterology and Allergology, Medical University of Bialystok, Bialystok, Poland
| | - Aleksandra Wilkowska
- Department of Dermatology, Venereology, and Allergology, Medical University of Gdansk, Gdansk, Poland
| | | | - Cezary Kowalewski
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, Warsaw, Poland
| | - Lidia Rudnicka
- Department of Dermatology, Medical University of Warsaw, Warsaw, Poland
| | - Marek Kulus
- Department of Paediatric Pneumonology and Allergology, Medical University of Warsaw, Warsaw, Poland
| | | | | | | | - Radosław Śpiewak
- Department of Experimental Dermatology and Cosmetology, Jagiellonian University Medical College, Krakow, Poland
| | - Zygmunt Adamski
- Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Czuwara
- Department of Dermatology, Medical University of Warsaw, Warsaw, Poland
| | | | - Andrzej Kaszuba
- Department of Dermatology, Paediatric and Oncological Dermatology, Medical University of Lodz, Lodz, Poland
| | - Dorota Krasowska
- Department of Dermatology, Venereology and Paediatric Dermatology, Medical University, Lublin, Poland
| | - Beata Krêcisz
- Department of Dermatology, Faculty of Medicine and Health Sciences, Jan Kochanowski University, Kielce, Poland
| | - Joanna Narbutt
- Department of Dermatology, Paediatric and Oncological Dermatology, Medical University of Lodz, Lodz, Poland
| | - Sławomir Majewski
- Department of Dermatology and Venereology, Medical University of Warsaw, Warsaw, Poland
| | - Adam Reich
- Department of Dermatology, University of Rzeszow, Rzeszow, Poland
| | | | - Jacek Szepietowski
- Department of Dermatology, Venereology and Allergology, Medical University of Wroclaw, Wroclaw, Poland
| | - Katarzyna Woźniak
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, Warsaw, Poland
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12
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Domínguez O, Plaza AM, Alvaro M. Relationship Between Atopic Dermatitis and Food Allergy. Curr Pediatr Rev 2020; 16:115-122. [PMID: 31713486 DOI: 10.2174/1573396315666191111122436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/30/2019] [Accepted: 09/30/2019] [Indexed: 11/22/2022]
Abstract
Consistent evidence has been found on the relationship between food allergy (FA) and atopic dermatitis (AD) in some children. Food sensitization can be often found in these patients. Allergy should be confirmed, though, with a food challenge test (FC) before advising a restrictive diet which could be harmful for the patient. Younger children with AD frequently show sensitization to egg, milk or peanut, while older ones and adults are more often sensitized to environmental allergens such as house dust mites, moulds, animal dander or pollens. It is well known that a barrier disturbance plays a main role in the development of sensitization and allergy. Therefore, due to the early appearance of AD, preventive newborn skincare with emollients and early introduction of food appear to be very important to determine food tolerance.
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Affiliation(s)
- Olga Domínguez
- Department of Allergy and Clinical Immunology, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Ana María Plaza
- Department of Allergy and Clinical Immunology, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Montserrat Alvaro
- Department of Allergy and Clinical Immunology, Hospital Sant Joan de Déu, Barcelona, Spain
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13
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Cho SI, Lee H, Lee DH, Kim KH. Association of frequent intake of fast foods, energy drinks, or convenience food with atopic dermatitis in adolescents. Eur J Nutr 2019; 59:3171-3182. [PMID: 31822988 DOI: 10.1007/s00394-019-02157-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 11/29/2019] [Indexed: 01/08/2023]
Abstract
PURPOSE Specific food consumption, besides food allergy, may aggravate atopic dermatitis (AD). However, previous reports on the association between AD and food intake in adolescents are scarce. The aim of this study was to determine the relationship between AD and specific food consumption frequency in adolescents. METHODS A cross-sectional analysis using data from the Korea Youth Risk Behavior Web-based Survey 2017 was performed. The frequency of food consumption in the recent-diagnosed AD group (AD diagnosed within 12 months) compared to those in the previous-diagnosed AD (AD diagnosed more than 12 months ago) or control group were investigated. RESULTS A total of 53,373 participants were eligible for this study. The weighted prevalence of the recent-diagnosed AD and the previous-diagnosed AD was 7.39% and 18.00%, respectively. When compared with subjects with the previous-diagnosed AD, those with the recent-diagnosed AD were significantly more likely to frequently consume fast foods (odds ratio OR 1.405; 95% CI 1.150-1.717), energy drinks (OR 1.457; 95% CI 1.175-1.807), or convenience food (OR 1.304; 95% CI 1.138-1.495). Patients of the recent-diagnosed AD were significantly more likely to frequently consume fast foods (OR 1.374; 95% CI 1.155-1.634) than the control group. The differences in the frequency of specific food consumption among groups were more pronounced in high school students than in middle school students. CONCLUSIONS Frequent intake of fast foods, energy drinks, and convenience food was related to the recent-diagnosed AD in adolescents. Prospective cohort and interventional studies are needed to identify causal relationships.
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Affiliation(s)
- Soo Ick Cho
- Department of Dermatology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.,Institute of Human-Environment Interface Biology, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Hanjae Lee
- Department of Dermatology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.,Institute of Human-Environment Interface Biology, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Dong Hun Lee
- Department of Dermatology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea. .,Institute of Human-Environment Interface Biology, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
| | - Kyu-Han Kim
- Department of Dermatology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.,Institute of Human-Environment Interface Biology, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
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14
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Nakata J, Hirota T, Umemura H, Nakagawa T, Kando N, Futamura M, Nakamura Y, Ito K. Additive effect of Lactobacillus acidophilus L-92 on children with atopic dermatitis concomitant with food allergy. Asia Pac Allergy 2019; 9:e18. [PMID: 31089460 PMCID: PMC6494655 DOI: 10.5415/apallergy.2019.9.e18] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 04/21/2019] [Indexed: 11/17/2022] Open
Abstract
Background Atopic dermatitis (AD) in infants is often related to food allergies (FA). The beneficial effects of lactic acid bacteria towards allergic diseases have been reported, but there are few reports on their effect and preferable dosages on AD in young children with concomitant FA. Objective To examine additional effects of two different dose of paraprobiotic Lactobacillus acidophilus L-92 (L-92) on the clinical treatment in young children afflicted by AD with diagnosed or suspected FA. Methods Fifty-nine AD young children from 10 months to 3 years old, with FA or who had not started to ingest specific food(s) because of high specific IgE levels, were recruited and randomly allocated into L-92 group (daily intake of 20 mg L-92/day) and placebo group. Participants were given test sample with conventional treatment for AD over a 24-week period. The severity of eczema was evaluated using SCORing Atopic Dermatitis (SCORAD) index before intervention, and at 4, 12, and 24 weeks after intervention. Results After 24 weeks of intervention, a significant decrease in SCORAD was observed only in the L-92 group when compared with the baseline values. Significant decreases in thymus and activation-regulated chemokine (TARC) and total IgE were also detected 24 weeks after intake in the L-92 group compared with the placebo group. Conclusion It was suggested that intake of sufficient amounts of L-92 works as an adjunctive treatment of young children afflicted by AD with diagnosed or suspected FA.
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Affiliation(s)
- Joan Nakata
- Department of Allergy, Aichi Children's Health and Medical Center, Obu 474-8710, Japan
| | - Tatsuhiko Hirota
- Core Technology Laboratories, Asahi Group Holdings, Ltd., Sagamihara 252-0206, Japan
| | - Harue Umemura
- Department of Allergy, Aichi Children's Health and Medical Center, Obu 474-8710, Japan
| | - Tomoko Nakagawa
- Department of Allergy, Aichi Children's Health and Medical Center, Obu 474-8710, Japan
| | - Naoyuki Kando
- Department of Allergy, Aichi Children's Health and Medical Center, Obu 474-8710, Japan
| | - Masaki Futamura
- Division of Allergy, National Center for Child Health and Development, Setagaya 157-8535, Japan
| | - Yasunori Nakamura
- Core Technology Laboratories, Asahi Group Holdings, Ltd., Sagamihara 252-0206, Japan
| | - Komei Ito
- Department of Allergy, Aichi Children's Health and Medical Center, Obu 474-8710, Japan
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15
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Pancreatic Enzyme Supplementation in Patients with Atopic Dermatitis and Food Allergies: An Open-Label Pilot Study. Paediatr Drugs 2019; 21:41-45. [PMID: 30556101 DOI: 10.1007/s40272-018-0321-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Atopic dermatitis (AD) is a chronic inflammatory skin disease that affects both patients and their families. Current therapies often alleviate symptoms but do not prevent or eradicate the disease. OBJECTIVES Our objective was to determine whether pancreatic enzyme supplementation is an effective and safe treatment in refractory pediatric AD associated with food allergies. METHODS We conducted an open-label pilot study using a case-control design. Patients with severe AD and known food allergies refractory to conventional therapies and exclusion diets were recruited and treated for 6 weeks with oral supplementation of pancreatic enzymes. The primary endpoint was the severity of AD, using the Scoring Atopic Dermatitis (SCORAD) index. Secondary measures included markers of intestinal permeability (urinary sucrose and lactulose/mannitol excretion). RESULTS A total of 11 patients met all eligibility criteria and completed the trial. Significant improvement in AD was observed after 6 weeks of pancreatic enzyme supplementation (SCORAD index 52.3 ± 5.5 vs. 34.6 ± 7.6; p = 0.0008). Beneficial effect was observed in 9 of 11 patients, without adverse events. Fractional urinary sucrose excretion improved to a level comparable to that of age-matched controls (p < 0.05). However, urinary lactulose:mannitol ratios remained abnormally high compared with those of controls (p = 0.01). CONCLUSIONS Pancreatic enzyme supplementation was associated with improved AD and gastroduodenal permeability. Additional randomized placebo-controlled studies are required before this treatment can be recommended in this clinical setting.
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16
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Lind T, Johansson U, Öhlund I, Lindberg L, Lönnerdal B, Tennefors C, Hernell O. Study protocol: optimized complementary feeding study (OTIS): a randomized controlled trial of the impact of a protein-reduced complementary diet based on Nordic foods. BMC Public Health 2019; 19:134. [PMID: 30704429 PMCID: PMC6357470 DOI: 10.1186/s12889-019-6466-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 01/21/2019] [Indexed: 01/26/2023] Open
Abstract
Background What we eat as infants and children carries long-term consequences. Apart from breastfeeding, the composition of the complementary diet, i.e. the foods given to the infant during the transition from breast milk/infant formula to regular family foods affects the child’s future health. A high intake of protein, a low intake of fruits, vegetables and fish and an unfavorable distribution between polyunsaturated and saturated fats are considered to be associate with health risks, e.g. obesity, type 2 diabetes and dyslipidemia later in life. Methods In a randomized, controlled study from 6 to 18 months of age we will compare the currently recommended, Swedish complementary diet to one based on Nordic foods, i.e. an increased intake of fruits, berries, vegetables, tubers, whole-grain and game, and a lower intake of sweets, dairy, meat and poultry, with lower protein content (30% decrease), a higher intake of vegetable fats and fish and a systematic introduction of fruits and greens. The main outcomes are body composition (fat and fat-free mass measured with deuterium), metabolic and inflammatory biomarkers (associated with the amount of body fat) in blood and urine, gut microbiota (thought to be the link between early diet, metabolism and diseases such as obesity and insulin resistance) and blood pressure. We will also measure the participants’ energy and nutrient intake, eating behavior and temperament through validated questionnaires, acceptance of new and unfamiliar foods through video-taped test meals and assessment of cognitive development, which we believe can be influenced through an increased intake of fish and milk fats, notably milk fat globule membranes (MFGM). Discussion If the results are what we expect, i.e. improved body composition and a less obesogenic, diabetogenic and inflammatory metabolism and gut microbiota composition, a more sustainable nutrient intake for future health and an increased acceptance of healthy foods, they will have a profound impact on the dietary recommendations to infants in Sweden and elsewhere, their eating habits later in life and subsequently their long-term health. Trial registration NCT02634749. Registration date 18 December 2015.
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Affiliation(s)
- Torbjörn Lind
- Paediatrics, Department of Clinical Sciences, Umeå University, SE-901 85, Umeå, Sweden.
| | - Ulrica Johansson
- Paediatrics, Department of Clinical Sciences, Umeå University, SE-901 85, Umeå, Sweden
| | - Inger Öhlund
- Paediatrics, Department of Clinical Sciences, Umeå University, SE-901 85, Umeå, Sweden
| | - Lene Lindberg
- Department of Public Health Sciences, Karolinska Institute, Stockholm, Sweden
| | - Bo Lönnerdal
- Department of Nutrition, University of California, Davis, CA, USA
| | | | - Olle Hernell
- Paediatrics, Department of Clinical Sciences, Umeå University, SE-901 85, Umeå, Sweden
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17
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Wollenberg A, Barbarot S, Bieber T, Christen-Zaech S, Deleuran M, Fink-Wagner A, Gieler U, Girolomoni G, Lau S, Muraro A, Czarnecka-Operacz M, Schäfer T, Schmid-Grendelmeier P, Simon D, Szalai Z, Szepietowski JC, Taïeb A, Torrelo A, Werfel T, Ring J. Consensus-based European guidelines for treatment of atopic eczema (atopic dermatitis) in adults and children: part I. J Eur Acad Dermatol Venereol 2018; 32:657-682. [PMID: 29676534 DOI: 10.1111/jdv.14891] [Citation(s) in RCA: 516] [Impact Index Per Article: 86.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Accepted: 01/29/2018] [Indexed: 12/12/2022]
Abstract
This guideline was developed as a joint interdisciplinary European project, including physicians from all relevant disciplines as well as patients. It is a consensus-based guideline, taking available evidence from other guidelines, systematic reviews and published studies into account. This first part of the guideline covers methods, patient perspective, general measures and avoidance strategies, basic emollient treatment and bathing, dietary intervention, topical anti-inflammatory therapy, phototherapy and antipruritic therapy, whereas the second part covers antimicrobial therapy, systemic treatment, allergen-specific immunotherapy, complementary medicine, psychosomatic counselling and educational interventions. Management of AE must consider the individual clinical variability of the disease; highly standardized treatment rules are not recommended. Basic therapy is focused on treatment of disturbed barrier function by hydrating and lubricating topical treatment, besides further avoidance of specific and unspecific provocation factors. Topical anti-inflammatory treatment based on glucocorticosteroids and calcineurin inhibitors is used for flare management and for proactive therapy for long-term control. Topical corticosteroids remain the mainstay of therapy, whereas tacrolimus and pimecrolimus are preferred in sensitive skin areas and for long-term use. Topical phosphodiesterase inhibitors may be a treatment alternative when available. Adjuvant therapy includes UV irradiation, preferably with UVB 311 nm or UVA1. Pruritus is targeted with the majority of the recommended therapies, but some patients may need additional antipruritic therapy. Antimicrobial therapy, systemic anti-inflammatory treatment, immunotherapy, complementary medicine and educational intervention will be addressed in part II of the guideline.
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Affiliation(s)
- A Wollenberg
- Department Dermatology and Allergy, Ludwig-Maximilian University, Munich, Germany.,Klinik Thalkirchner Straße, Munich, Germany
| | - S Barbarot
- Department of Dermatology, Centre Hospitalier Universitaire CHU Nantes, Nantes, France
| | - T Bieber
- Department of Dermatology and Allergy, Christine Kühne-Center for Allergy Research and Education, University Bonn, Bonn, Germany
| | - S Christen-Zaech
- Pediatric Dermatology Unit, Departments of Dermatology and Pediatrics, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - M Deleuran
- Department Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - A Fink-Wagner
- European Federation of Allergy and Airways Diseases Patients' Associations (EFA), Global Allergy and Asthma Patient Platform (GAAPP), Konstanz, Germany
| | - U Gieler
- Department of Dermatology, University of Gießen and Marburg GmbH, Gießen, Germany.,Department of Psychosomatics and Psychotherapy, University of Gießen and Marburg GmbH, Gießen, Germany
| | - G Girolomoni
- Department of Medicine, Section of Dermatology, University of Verona, Verona, Italy
| | - S Lau
- Pediatric Pneumology and Immunology, Universitätsmedizin Berlin, Berlin, Germany
| | - A Muraro
- Centro di Specializzazione Regionale per lo Studio e la Cura delle Allergie e delle Intolleranze Alimentari presso l'Azienda Ospedaliera, Università di Padova, Padova, Italy
| | | | - T Schäfer
- Dermatological Practice, Immenstadt, Germany
| | - P Schmid-Grendelmeier
- Allergy Unit, Department of Dermatology, University of Zurich, Zurich, Switzerland.,Christine Kühne Center for Allergy Research and Education CK-CARE, Davos, Switzerland
| | - D Simon
- Department Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Z Szalai
- Department of Dermatology, Heim Pál Children's Hospital, Budapest, Hungary
| | - J C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - A Taïeb
- Department of Dermatology and Pediatric Dermatology, Hôpital St André, Bordeaux, France
| | - A Torrelo
- Department of Dermatology, Hospital Niño Jesus, Madrid, Spain
| | - T Werfel
- Department Dermatology and Allergy, Hannover Medical School, Hannover, Germany
| | - J Ring
- Christine Kühne Center for Allergy Research and Education CK-CARE, Davos, Switzerland.,Department Dermatology and Allergy Biederstein, Technische Universität München, Munich, Germany
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18
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Eapen AA, Kloepfer KM, Leickly FE, Slaven JE, Vitalpur G. Oral food challenge failures among foods restricted because of atopic dermatitis. Ann Allergy Asthma Immunol 2018; 122:193-197. [PMID: 30326323 DOI: 10.1016/j.anai.2018.10.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 10/03/2018] [Accepted: 10/09/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Recent studies have suggested that removing foods from the diet to manage atopic dermatitis (AD), based on positive allergy test results, may lead to immediate allergic reactions on reintroduction of that food. OBJECTIVE To examine the frequency of oral food challenge (OFC) failures among foods removed from the diet as suspected AD triggers, focusing on the 5 major food allergens in the United States. METHODS OFCs to egg, milk, peanut, soy, and wheat, performed from 2008 to 2014, at a children's hospital's allergy clinics, were reviewed. OFCs were offered based on history and laboratory values. Reasons for food avoidance were classified as food allergy (IgE-mediated reaction occurring within 2 hours); sensitization only (lack of introduction because of positive test results); and removal because of test results during AD evaluation. RESULTS There were 442 OFCs performed, with 89 failures (20.1%). Reasons for OFCs included a history of food allergy (320 of 442 [72.4%]), food sensitization without any introduction (77 of 442 [17.4%]), and AD (45 of 442 [10.2%]). OFC failures among those who had food allergy (70 of 320 [21.9%]), sensitization only (13 of 77 [16.9%]), and suspected AD trigger (6 of 45 [13.3%]) did not significantly differ (P = .63). Wheat was more likely to be avoided than the other 4 foods for AD concerns (P < .001). CONCLUSION The frequency of OFC failure among those who removed foods suspected as AD triggers was 13.3%, indicating a loss of tolerance. Restriction of foods to manage AD must be done with caution and close monitoring.
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Affiliation(s)
- Amy A Eapen
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Kirsten M Kloepfer
- Division of Pediatric Pulmonology, Allergy & Sleep Medicine, Department of Pediatrics, Indiana University School of Medicine, Riley Hospital for Children at Indiana University Health, Indianapolis, Indiana
| | | | - James E Slaven
- Department of Biostatistics, School of Public Health, Indiana University School of Medicine, Indianapolis, Indiana
| | - Girish Vitalpur
- Division of Pediatric Pulmonology, Allergy & Sleep Medicine, Department of Pediatrics, Indiana University School of Medicine, Riley Hospital for Children at Indiana University Health, Indianapolis, Indiana.
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Wassmann‐Otto A, Heratizadeh A, Wichmann K, Werfel T. Birch pollen-related foods can cause late eczematous reactions in patients with atopic dermatitis. Allergy 2018; 73:2046-2054. [PMID: 29654628 DOI: 10.1111/all.13454] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND Previous studies have indicated that in patients with atopic dermatitis (AD) and birch pollen allergy pollen-related foods are able to cause late eczematous response. However, the relevance of AD worsening by ingestion of birch pollen-related foods is still a matter of debate. OBJECTIVE The purpose of this retrospective study was to determine how frequently birch pollen-related foods induce a deterioration of eczema. Additionally, the diagnostic value of specific IgE (sIgE) determination was evaluated. METHODS A total of 182 children and adults with AD and suspected birch pollen-related food allergy underwent 261 double-blind placebo-controlled food challenges (DBPCFC). Total and sIgE levels were determined prior to DBPCFC. RESULTS Sixty-five patients developed allergic reactions (responders) upon DBPCFC with birch pollen-related foods (n = 103 DBPCFC). Of these, 32 patients exhibited significant deterioration of AD defined as a median increase of 15.4 severity scoring of atopic dermatitis index points (95% CI 12.4-16.3) from baseline making up 37% of all positive reactions. Responders showed significantly higher sIgE levels to birch pollen and apple as well as a higher prevalence of allergic rhinoconjunctivitis compared to nonresponders (P < .05). However, patients with late eczematous response could not be differentiated from those with isolated immediate-type reactions by sIgE levels. CONCLUSION In a subpopulation of patients with AD and birch pollen sensitization, related foods should be considered as a trigger for an aggravation of eczema. As sufficient markers for prediction of late eczematous reactions are still lacking, DBPCFC cannot be replaced in diagnosis of birch pollen-related foods in patients with AD. CLINICAL IMPLICATIONS In patients with AD and birch pollen allergy, birch pollen-related foods should be considered as a provocation factor for an aggravation of disease signs and symptoms.
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Affiliation(s)
- A. Wassmann‐Otto
- Division of Immunodermatology and Allergy Research Department of Dermatology and Allergy Hannover Medical School Hannover Germany
| | - A. Heratizadeh
- Division of Immunodermatology and Allergy Research Department of Dermatology and Allergy Hannover Medical School Hannover Germany
| | - K. Wichmann
- Division of Immunodermatology and Allergy Research Department of Dermatology and Allergy Hannover Medical School Hannover Germany
| | - T. Werfel
- Division of Immunodermatology and Allergy Research Department of Dermatology and Allergy Hannover Medical School Hannover Germany
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20
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Home Remodeling and Food Allergy Interact Synergistically to Increase the Risk of Atopic Dermatitis. BIOMED RESEARCH INTERNATIONAL 2017; 2017:3793679. [PMID: 29098153 PMCID: PMC5632454 DOI: 10.1155/2017/3793679] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 08/13/2017] [Indexed: 11/17/2022]
Abstract
Purpose The purpose of this study was to investigate the effects of home remodeling and food allergy (FA) on the development of atopic dermatitis (AD) in children. Methods The Modified International Study of Asthma and Allergies in Childhood questionnaire was used to survey 4,111 children recruited from 3 kindergartens and 6 elementary schools from Seongnam, Korea. Participants' parents agreed for them to participate in physical examinations, skin prick tests, and blood tests. Results Home remodeling in the past 12 months (adjusted odds ratio [aOR] 3.40, P = 0.006), lifetime diagnosis of FA (aOR 3.95, P < 0.001), parental history of AD (aOR 2.67, P = 0.001), and FA (aOR 2.35, P = 0.004) were independent risk factors for lifetime diagnosis of AD ever. When history of home remodeling and FA were combined, the risk for moderate-to-severe AD by scoring atopic dermatitis (SCORAD) score increased (aOR, 7.19, P = 0.011, P for interaction = 0.034). Conclusion Home remodeling, lifetime diagnosis of FA, parental history of AD, and parental history of FA were independent risk factors for AD. In addition, we observed a synergistic interaction between home remodeling and FA in the risk of moderate-to-severe AD.
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Effects of structured patient education in adults with atopic dermatitis: Multicenter randomized controlled trial. J Allergy Clin Immunol 2017; 140:845-853.e3. [DOI: 10.1016/j.jaci.2017.01.029] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 12/09/2016] [Accepted: 01/05/2017] [Indexed: 11/23/2022]
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Glocova I, Brück J, Geisel J, Müller-Hermelink E, Widmaier K, Yazdi AS, Röcken M, Ghoreschi K. Induction of skin-pathogenic Th22 cells by epicutaneous allergen exposure. J Dermatol Sci 2017; 87:268-277. [PMID: 28655472 DOI: 10.1016/j.jdermsci.2017.06.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 06/07/2017] [Indexed: 01/04/2023]
Abstract
BACKGROUND Atopic dermatitis (AD) is a common inflammatory skin disease with dysfunction of the skin barrier, an abnormal immune response and frequent allergies to environmental antigens like food antigens. Clinical observations suggest that certain diets can influence the course of AD. OBJECTIVE Here we compared the phenotype of food allergen-specific T cells activated through skin or gut allergen exposure to transfer skin inflammation into naïve recipients upon epicutaenous allergen challenge. METHODS Ovalbumin (OVA) TCR-transgenic mice were treated epicutaneously with OVA or were fed OVA. CD4+ T cells from skin lymph nodes or mesenteric lymph nodes were transferred into naïve BALB/c mice, which were challenged with OVA epicutaneously. Skin inflammation was determined by histological parameters. In addition, we analyzed the phenotype of the immune response in lymphoid tissues and in skin tissue. RESULTS TCR-transgenic T cells activated through epicutaneous or oral OVA exposure both migrate to skin lymph nodes after adoptive transfer and epicutaenous OVA exposure. AD-like skin inflammation could only be induced by the transfer of epicutaneously primed OVA T cells. Analysis of the immune phenotype demonstrated an IL-22/IL-17A-dominated immune phenotype of skin-pathogenic T cells. CONCLUSION IL-22 seems to be the critical cytokine for the development of AD and is induced in this model by epicutaneous sensitization with OVA.
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Affiliation(s)
- Ivana Glocova
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
| | - Jürgen Brück
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany.
| | - Julia Geisel
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
| | - Eva Müller-Hermelink
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
| | - Katja Widmaier
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
| | - Amir S Yazdi
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
| | - Martin Röcken
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
| | - Kamran Ghoreschi
- Department of Dermatology, University Medical Center Tübingen, Eberhard Karls University, Liebermeisterstr. 25, D-72076 Tübingen, Germany
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Grey KR, Hook KP, Polcari IC, Maguiness SM. Perceptions and Practices Regarding Atopic Dermatitis: A Survey. Pediatr Dermatol 2017; 34:488-491. [PMID: 28543769 DOI: 10.1111/pde.13162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Parents (N = 392) completed a survey at the Minnesota State Fair in August and September 2015 addressing knowledge regarding the pathogenesis of atopic dermatitis (AD), basic skin care practices, and the perceived role of infection and food allergies in AD. Of participating parents, 82% identified food allergy or sensitivity in AD pathogenesis, whereas only 42% identified bacterial infection as an important factor in AD severity. Participants most often received education on skin health from their pediatrician (49%), followed by Internet-based sources (23%), rather than a dermatologist or pediatric dermatologist. Parents of children with AD overestimate the role of food allergies in this condition and are not as aware of the role of bacterial infection. Future educational directions from our specialty should focus on resources for pediatricians and families that emphasize these factors.
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Affiliation(s)
| | - Kristen P Hook
- Department of Dermatology, University of Minnesota, Minneapolis, Minnesota
| | - Ingrid C Polcari
- Department of Dermatology, University of Minnesota, Minneapolis, Minnesota
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24
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Wichmann K, Heratizadeh A, Werfel T. In-vitro diagnostic in atopic dermatitis: Options and limitations. Allergol Select 2017; 1:150-159. [PMID: 30402613 PMCID: PMC6040009 DOI: 10.5414/alx01549e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 08/21/2012] [Indexed: 12/02/2022] Open
Abstract
Atopic dermatitis is a chronic inflammatory skin disease with a complex pathogenesis and different exogenous and endogenous trigger factors. One important factor is the sensitization to inhalant and/or food allergens. The detection of total IgE and specific IgE antibodies to inhalant and/or food allergens is one central aspect in diagnosing atopic dermatitis, especially if skin prick tests are not feasible. Many patients are polysensitized, but not all sensitizations are of clinical relevance. The challenge is to identify the sensitizations with clinical relevance and to initiate suitable therapeutic options. In this article we go into detail for the allergens house dust mite, pollen, food, and Malassezia sympodialis. Furthermore, the authors comment on the impact of the detection of specific IgG/IgG4 antibodies in the diagnosis of food allergy in atopic dermatitis. Moreover, new options in the in-vitro diagnostic will be explained briefly and their actual diagnostic significance in patients with atopic dermatitis will be highlighted. These options are the detection of specific IgE antibodies to recombinant allergens and the allergen chip.
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Affiliation(s)
- K Wichmann
- Abteilung für Immundermatologie und experimentelle Allergologie, Klinik für Dermatologie, Allergologie und Venerologie, Medizinische Hochschule Hannover, Germany
| | - A Heratizadeh
- Abteilung für Immundermatologie und experimentelle Allergologie, Klinik für Dermatologie, Allergologie und Venerologie, Medizinische Hochschule Hannover, Germany
| | - T Werfel
- Abteilung für Immundermatologie und experimentelle Allergologie, Klinik für Dermatologie, Allergologie und Venerologie, Medizinische Hochschule Hannover, Germany
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25
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Mavroudi A, Karagiannidou A, Xinias I, Cassimos D, Karantaglis N, Farmaki E, Imvrios G, Fotoulaki M, Eboriadou M, Tsanakas J. Assessment of IgE-mediated food allergies in children with atopic dermatitis. Allergol Immunopathol (Madr) 2017; 45:77-81. [PMID: 27717723 DOI: 10.1016/j.aller.2016.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 06/06/2016] [Accepted: 06/22/2016] [Indexed: 10/20/2022]
Abstract
BACKGROUND Atopic dermatitis (AD) is an inflammatory disease of the skin, which is characterised by a chronic relapsing course. AIM The aim of the study was to assign the prevalence of clinically active food allergies among a group of children between 3 months and 7 years of age, with AD. METHODS Eighty-eight children with AD were screened for specific IgE antibodies to food proteins. All patients with AD and specific IgE antibodies to food proteins were subjected to Oral Food Challenges (OFCs) with the relevant foods. RESULTS Food-sensitised patients with moderate levels of sIgE had clinically active food allergy to milk (39.28%) and egg (42.34%) on the basis of positive OFCs. High IgE and eosinophilia had a prevalence of almost 80% and 25%, regardless of concomitant food sensitisation and disease severity. CONCLUSIONS In this study, clinically active food allergies were recognised in 26.13% of children with AD. Nevertheless, no association was confirmed between food sensitisation and AD severity. High IgE and peripheral eosinophilia have not been found more prevalent among children with severe AD nor among children with food sensitisation. Infants and younger children with AD should be screened for an underlying food allergy, regardless of disease severity.
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26
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Roberts G, Ollert M, Aalberse R, Austin M, Custovic A, DunnGalvin A, Eigenmann PA, Fassio F, Grattan C, Hellings P, Hourihane J, Knol E, Muraro A, Papadopoulos N, Santos AF, Schnadt S, Tzeli K. A new framework for the interpretation of IgE sensitization tests. Allergy 2016; 71:1540-1551. [PMID: 27224838 DOI: 10.1111/all.12939] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2016] [Indexed: 12/27/2022]
Abstract
IgE sensitization tests, such as skin prick testing and serum-specific IgE, have been used to diagnose IgE-mediated clinical allergy for many years. Their prime drawback is that they detect sensitization which is only loosely related to clinical allergy. Many patients therefore require provocation tests to make a definitive diagnosis; these are often expensive and potentially associated with severe reactions. The likelihood of clinical allergy can be semi-quantified from an IgE sensitization test results. This relationship varies though according to the patients' age, ethnicity, nature of the putative allergic reaction and coexisting clinical diseases such as eczema. The likelihood of clinical allergy can be more precisely estimated from an IgE sensitization test result, by taking into account the patient's presenting features (pretest probability). The presence of each of these patient-specific factors may mean that a patient is more or less likely to have clinical allergy with a given test result (post-test probability). We present two approaches to include pretest probabilities in the interpretation of results. These approaches are currently limited by a lack of data to allow us to derive pretest probabilities for diverse setting, regions and allergens. Also, cofactors, such as exercise, may be necessary for exposure to an allergen to result in an allergic reaction in specific IgE-positive patients. The diagnosis of IgE-mediated allergy is now being aided by the introduction of allergen component testing which may identify clinically relevant sensitization. Other approaches are in development with basophil activation testing being closest to clinical application.
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Affiliation(s)
- G. Roberts
- David Hide Asthma and Allergy Research Centre; St Mary's Hospital; Isle of Wight UK
- NIHR Respiratory Biomedical Research Unit; University Hospital Southampton NHS Foundation Trust; Southampton UK
- Clinical and Experimental Sciences Academic Unit; Faculty of Medicine; University of Southampton; Southampton UK
| | - M. Ollert
- Department of Infection and Immunity; Luxembourg Institute of Health (LIH); Esch-sur-Alzette, Luxembourg and Department of Dermatology and Allergy Center; Odense Research Center for Anaphylaxis; University of Southern Denmark; Odense Denmark
| | - R. Aalberse
- Department of Immunopathology; Sanquin Research; Amsterdam and Landsteiner Laboratory; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
| | - M. Austin
- Anaphylaxis Campaign; Farnborough UK
| | - A. Custovic
- Department of Paediatrics; Imperial College London; London UK
| | - A. DunnGalvin
- Department of Paediatrics and Child Health; School of Applied Psychology; University College Cork; Cork Ireland
| | - P. A. Eigenmann
- Department of Child and Adolescent; University Hospitals of Geneva; Geneva Switzerland
| | | | - C. Grattan
- Dermatology Centre; Norfolk & Norwich University Hospital; Norwich UK
| | | | - J. Hourihane
- Paediatrics and Child Health; University College Cork; Cork Ireland
| | - E. Knol
- Departments of Immunology and Dermatology/Allergology; University Medical Center Utrecht; Utrecht The Netherlands
| | - A. Muraro
- Department of Pediatrics; University of Padua; Padova Italy
| | - N. Papadopoulos
- Centre for Pediatrics and Child Health; Institute of Human Development; University of Manchester; Manchester UK
- Allergy Department; 2nd Pediatric Clinic; University of Athens; Athens Greece
| | - A. F. Santos
- Division of Asthma, Allergy & Lung Biology; Department of Paediatric Allergy; King's College London; London UK
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma; London UK
- Immunoallergology Department; Coimbra University Hospital; Coimbra Portugal
| | - S. Schnadt
- German Allergy and Asthma Association (Deutscher Allergie- und Asthmabund (DAAB)); Mönchengladbach Germany
| | - K. Tzeli
- Allergy Department; 2nd Pediatric Clinic; University of Athens; Athens Greece
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27
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Shoda T, Futamura M, Yang L, Yamamoto-Hanada K, Narita M, Saito H, Ohya Y. Timing of eczema onset and risk of food allergy at 3 years of age: A hospital-based prospective birth cohort study. J Dermatol Sci 2016; 84:144-148. [PMID: 27523805 DOI: 10.1016/j.jdermsci.2016.08.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 07/18/2016] [Accepted: 08/02/2016] [Indexed: 12/19/2022]
Abstract
BACKGROUND Although recent studies suggest that eczema in early childhood is important in the development of food allergy, the importance of the timing of eczema onset has not been fully clarified. OBJECTIVE This study aim to identify an association between the timing of eczema onset and development of food allergy in a prospective birth cohort study. METHODS Data were obtained from the Tokyo Children's Health, Illness and Development (T-CHILD) study, which is a hospital-based birth cohort study currently in progress in Japan. A total of 1550 children were born to the recruited women. Outcome data for children were collected from questionnaires completed at 6 months, 1 and 3 years of age. Association between the timing of eczema onset and development of food allergy was estimated by logistic regression analyses. All analysis were performed using SPSS software with a two-sided 5% significance level. RESULTS Eczema in the first year of life was a significant risk factor in multivariate analysis (aOR 3.90, 95% CI 2.34-6.52, p<0.001). In each age (by month) stratum, infants with onset of eczema within the first 1-2 months after birth had the highest risk of food allergy at 3 years of age (aOR 6.61, 95% CI 3.27-13.34, p<0.001). CONCLUSION Infants with early eczema onset (especially within the first 1-4 months after birth) were found to have an increased risk of developing food allergy at 3 years of age. Our findings may contribute to a better understanding of the timing of eczema onset as a potentially modifiable risk factor and to defining those who may need to be on guard for food allergy.
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Affiliation(s)
- Tetsuo Shoda
- Division of Allergy, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan; Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Masaki Futamura
- Division of Allergy, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan; Division of Pediatrics, Nagoya Medical Center, Aichi, Japan
| | - Limin Yang
- Division of Allergy, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan
| | - Kiwako Yamamoto-Hanada
- Division of Allergy, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan
| | - Masami Narita
- Division of Allergy, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan
| | - Hirohisa Saito
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Yukihiro Ohya
- Division of Allergy, Department of Medical Subspecialties, National Center for Child Health and Development, Tokyo, Japan.
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28
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Ginsberg DN, Eichenfield LF. Debates in allergy medicine: Specific immunotherapy in children with atopic dermatitis, the "con" view. World Allergy Organ J 2016; 9:16. [PMID: 27134697 PMCID: PMC4836074 DOI: 10.1186/s40413-016-0107-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 03/17/2016] [Indexed: 02/02/2023] Open
Abstract
Atopic dermatitis (AD) is a common chronic skin condition in children that has a proven association with other atopic conditions and allergies. These associations, like the general pathophysiology of AD, are complex and not fully understood. While there is evidence for the efficacy of specific immunotherapy (SIT) in pediatric asthma and allergic rhinitis (AR), there is a lack of strong data to support its use in AD. IgE has been shown to be elevated in many patients with AD, but it is an unreliable biomarker due to variability and great fluctuation over time, poor positive predictive value for clinically relevant allergy, and poor correlation with disease state. In spite of this, almost all studies of SIT use either positive skin prick testing (SPT) or serum specific IgE levels to guide therapy. Allergen avoidance, with some exceptions, is generally not effective at controlling AD in children. The few studies that have investigated the efficacy of SIT in children with AD have produced conflicting results, and a lack of reproducibility with a standard treatment protocol. Limited studies have shown clinical improvement in mild to moderate AD cases, but no effect on more severe patients. Uncontrolled studies are difficult to interpret, due to the natural history of remission or “outgrowing” of AD over time in many patients without specific interventions. Drawbacks to SIT include the length of treatment, poor compliance, cost, and potential side effect profile. The potential for misdirection of time and energy away from skin directed therapy could negatively impact on AD outcomes.
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Affiliation(s)
- David N Ginsberg
- Department of Dermatology, Rady Children's Hospital, San Diego, CA USA
| | - Lawrence F Eichenfield
- Department of Dermatology, University of California, San Diego, La Jolla USA ; Division of Dermatology, Rady Children's Hospital, San Diego, CA USA
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29
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Čelakovská J, Ettlerová K, Ettler K, Vaněčková J, Bukač J. The Effect of Wheat Allergy on the Course of Atopic Eczema in Patients over 14 Years of Age. ACTA MEDICA (HRADEC KRÁLOVÉ) 2016. [DOI: 10.14712/18059694.2016.41] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Few studies concerning the importance of wheat allergy affecting the course of atopic eczema in adolescents and adult patients exist. Aim: The evaluation if wheat allergy can deteriorate the course of atopic eczema. Follow-up of patients with confirmed food allergy to wheat. Method: Altogether 179 persons suffering from atopic eczema were included in the study: 51 men and 128 women entered the study with an average age of 26.2 (s.d. 9.5 years) Dermatological and allergological examinations were performed, including skin prick tests, atopy patch tests, and specific serum IgE for wheat, open exposure test and double-blind, placebo-controlled food challenge test with wheat flour. Results: Wheat allergy affecting the coures of atopic eczema was confirmed in eight patients (4.5%) out of 179 patients enrolled in this study by double-blind, placebo controlled food challenge test. The course of atopic eczema showed a positive trend in patients with confirmed food allergy at 3, 6, 9, 12 month follow-up (statistical evaluation with paired t-test) after the elimination of wheat flour. Conclusion: Wheat allergy may play an important role in the worsening of atopic eczema (acting as a triggering exacerbating factor) only in a minority of adolescents and adult patients (4.5% in our study). The diagnostic methods (skin prick test, specific IgE, atopy patch test, history) cannot be used as separated tests for the determination of food allergy to wheat in patients with atopic eczema.Open exposure tests and double-blind, placebo-controlled food challenge should be used for the confirmation of wheat allergy affecting the course of atopic eczema.
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30
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Galli E, Neri I, Ricci G, Baldo E, Barone M, Belloni Fortina A, Bernardini R, Berti I, Caffarelli C, Calamelli E, Capra L, Carello R, Cipriani F, Comberiati P, Diociaiuti A, El Hachem M, Fontana E, Gruber M, Haddock E, Maiello N, Meglio P, Patrizi A, Peroni D, Scarponi D, Wielander I, Eichenfield LF. Consensus Conference on Clinical Management of pediatric Atopic Dermatitis. Ital J Pediatr 2016; 42:26. [PMID: 26936273 PMCID: PMC4776387 DOI: 10.1186/s13052-016-0229-8] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 02/14/2016] [Indexed: 01/01/2023] Open
Abstract
The Italian Consensus Conference on clinical management of atopic dermatitis in children reflects the best and most recent scientific evidence, with the aim to provide specialists with a useful tool for managing this common, but complex clinical condition. Thanks to the contribution of experts in the field and members of the Italian Society of Pediatric Allergology and Immunology (SIAIP) and the Italian Society of Pediatric Dermatology (SIDerP), this Consensus statement integrates the basic principles of the most recent guidelines for the management of atopic dermatitis to facilitate a practical approach to the disease. The therapeutical approach should be adapted to the clinical severity and requires a tailored strategy to ensure good compliance by children and their parents. In this Consensus, levels and models of intervention are also enriched by the Italian experience to facilitate a practical approach to the disease.
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Affiliation(s)
- Elena Galli
- Pediatric Allergy Unit, Research Center, San Pietro Hospital - Fatebenefratelli, Rome, Italy.
| | - Iria Neri
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy.
| | - Giampaolo Ricci
- Pediatric Unit - Department of Medical and Surgical Sciences, S. Orsola Malpighi Hospital, University of Bologna, Pad. 16, Via Massarenti, 11 - 40138, Bologna, Italy.
| | - Ermanno Baldo
- Pediatric Department, "S. Maria del Carmine" Hospital of Rovereto, APSS (Provincial Agency for Health Services), Trento, Italy.
| | | | - Anna Belloni Fortina
- Pediatric Dermatology Unit, Department of Medicine, University of Padua, Padua, Italy.
| | | | - Irene Berti
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy.
| | - Carlo Caffarelli
- Pediatric Unit, Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy.
| | - Elisabetta Calamelli
- Pediatric Unit - Department of Medical and Surgical Sciences, S. Orsola Malpighi Hospital, University of Bologna, Pad. 16, Via Massarenti, 11 - 40138, Bologna, Italy.
| | - Lucetta Capra
- Department of Medical Sciences, Section of Paediatrics, University of Ferrara, Ferrara, Italy.
| | - Rossella Carello
- Pediatric Allergy Unit, Research Center, San Pietro Hospital - Fatebenefratelli, Rome, Italy.
| | - Francesca Cipriani
- Pediatric Unit - Department of Medical and Surgical Sciences, S. Orsola Malpighi Hospital, University of Bologna, Pad. 16, Via Massarenti, 11 - 40138, Bologna, Italy.
| | | | - Andrea Diociaiuti
- Dermatology Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.
| | - Maya El Hachem
- Dermatology Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.
| | - Elena Fontana
- Pediatric Dermatology Unit, Department of Medicine, University of Padua, Padua, Italy.
| | - Michaela Gruber
- Department of Pediatrics, Central Hospital of Bolzano, Bolzano, Italy.
| | - Ellen Haddock
- Departments of Pediatrics and Dermatology, School of Medicine, University of California, San Diego, CA, USA.
| | - Nunzia Maiello
- Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy.
| | - Paolo Meglio
- Primary Care Pediatrician, Health National Service, Rome, Italy.
| | - Annalisa Patrizi
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy.
| | - Diego Peroni
- Department of Medical Sciences, Section of Paediatrics, University of Ferrara, Ferrara, Italy.
| | - Dorella Scarponi
- Pediatric Unit - Department of Medical and Surgical Sciences, S. Orsola Malpighi Hospital, University of Bologna, Pad. 16, Via Massarenti, 11 - 40138, Bologna, Italy.
| | - Ingrid Wielander
- Department of Pediatrics, Central Hospital of Bolzano, Bolzano, Italy.
| | - Lawrence F Eichenfield
- Departments of Pediatrics and Dermatology, School of Medicine, University of California, San Diego, CA, USA.
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31
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Grimshaw KEC, Bryant T, Oliver EM, Martin J, Maskell J, Kemp T, Clare Mills EN, Foote KD, Margetts BM, Beyer K, Roberts G. Incidence and risk factors for food hypersensitivity in UK infants: results from a birth cohort study. Clin Transl Allergy 2016; 6:1. [PMID: 26816616 PMCID: PMC4727377 DOI: 10.1186/s13601-016-0089-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 12/07/2015] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The prevalence of food hypersensitivity in the UK is still largely open to debate. Additionally its pathogenesis is also unclear although it is known that there are differing phenotypes. Determining its prevalence, along with identifying those factors associated with its development will help to assess its clinical importance within the national setting and also add to the debate on appropriate prevention strategies. METHODS A population based birth cohort study conducted in Hampshire, UK as part of the EuroPrevall birth cohort study. 1140 infants were recruited with 823 being followed up until 2 years of age. Infants with suspected food reactions were assessed including specific IgE measurement and skin prick testing. Diagnosis of food hypersensitivity was by positive double-blind, placebo-controlled food challenge (DBPCFC) where symptoms up to 48 h after the end of the food challenge were considered indicative of a food hypersensitivity. Factors associated with food hypersensitivity and its two phenotypes of IgE-mediated and non-IgE-mediated disease were modelled in a multivariable logistic regression analysis. RESULTS Cumulative incidence of food hypersensitivity by 2 years of age was 5.0 %. The cumulative incidence for individual food allergens were hens' egg 2.7 % (1.6-3.8); cows' milk 2.4 % (1.4-3.5); peanut 0.7 % (0.1-1.3); soy 0.4 % (0.0-0.8); wheat 0.2 % (0.0-0.5) and 0.1 % (0.0-0.32) for fish. The cumulative incidence of IgE-mediated food allergy was 2.6 % with 2.1 % reacting to hens' egg. For non-IgE-mediated food allergy the cumulative incidence was 2.4 % (cows' milk 1.7 %). Predictors for any food hypersensitivity were wheeze, maternal atopy, increasing gestational age, age at first solid food introduction and mean healthy dietary pattern score. Predictors for IgE mediated allergy were eczema, rhinitis and healthy dietary pattern score whereas for non-IgE-mediated food allergy the predictors were dog in the home, healthy dietary pattern score, maternal consumption of probiotics during breastfeeding and age at first solid food introduction. CONCLUSIONS Just under half the infants with confirmed food hypersensitivity had no demonstrable IgE. In an exploratory analysis, risk factors for this phenotype of food hypersensitivity differed from those for IgE-mediated food allergy except for a healthy infant diet which was associated with less risk for both phenotypes.
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Affiliation(s)
- Kate E C Grimshaw
- Clinical and Experimental Sciences and Human Development in Health Academic Unit, Faculty of Medicine, University of Southampton, Mailpoint 803, Level F, South Academic Block, Southampton, SO16 6YD UK ; Department of Nutrition and Dietetics, Southampton Children's Hospital, Southampton, SO16 6YD UK
| | - Trevor Bryant
- Primary Care and Population Sciences Academic Unit, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
| | - Erin M Oliver
- Clinical and Experimental Sciences and Human Development in Health Academic Unit, Faculty of Medicine, University of Southampton, Mailpoint 803, Level F, South Academic Block, Southampton, SO16 6YD UK
| | - Jane Martin
- NIHR Clinical Research Facility, University Hospital Southampton NHS Foundation Trust, Southampton, SO16 6YD UK
| | - Joe Maskell
- Primary Care and Population Sciences Academic Unit, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
| | - Terri Kemp
- The Hampshire Hospitals Foundation Trust, Winchester, SO22 5DG UK
| | - E N Clare Mills
- Institute of Inflammation and Repair, Manchester Academic Health Science Centre, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Keith D Foote
- The Hampshire Hospitals Foundation Trust, Winchester, SO22 5DG UK
| | - Barrie M Margetts
- Primary Care and Population Sciences Academic Unit, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
| | - Kirsten Beyer
- Department of Paediatric Pneumology and Immunology, Charité University Medical Centre, Berlin, Germany
| | - Graham Roberts
- Clinical and Experimental Sciences and Human Development in Health Academic Unit, Faculty of Medicine, University of Southampton, Mailpoint 803, Level F, South Academic Block, Southampton, SO16 6YD UK ; NIHR Respiratory Biomedical Research Unit, University Hospital Southampton NHS Foundation Trust, Southampton, SO16 6YD UK
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Abstract
Food allergy in atopic dermatitis (AD) is debatable from decades. Role of diet in the cause and treatment of AD is controversial and is not well-defined. Allergists and pediatricians are convinced about the food allergy in AD whereas many dermatologists are contrary for this. However, there are studies in the Indian and western literature supporting the evidence that elimination diet may improve the severe type of AD. There is increasing awareness and lot of misconception among caregivers about food allergy and hence careful understanding about this concept is necessary to counsel parents. Recent evidence-based literature suggests avoidance of proven food allergens in AD could be beneficial in moderate to severe type of AD.
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Affiliation(s)
- Sandipan Dhar
- Department of Pediatric Dermatology, Institute of Child Health, Kolkata, West Bengal, India
| | - Sahana M Srinivas
- Department of Pediatric Dermatology, Indira Gandhi Institute of Child Health, Bengaluru, Karnataka, India
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Thomas W, Werner A, Frank A, Matthias A, Tilo B, Thomas D, Regina FH, Uwe G, Annice H, Julia K, Alexander K, Alexander N, Katja N, Hagen O, Bernhard P, Martin R, Martin S, Peter SG, Jochen S, Thomas S, Doris S, Margitta W. Leitlinie Neurodermitis [atopisches Ekzem; atopische Dermatitis]. J Dtsch Dermatol Ges 2015; 14:e1-75. [DOI: 10.1111/ddg.12884] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
| | - Aberer Werner
- Österreichische Gesellschaft für Dermatologie und Venerologie
| | - Ahrens Frank
- Gesellschaft für Pädiatrische Allergologie und Umweltmedizin e.V
| | - Augustin Matthias
- Arbeitsgemeinschaft Gesundheitsökonomie und Evidenzbasierte Medizin der Deutschen Dermatologischen Gesellschaft
| | | | - Diepgen Thomas
- Arbeitsgemeinschaft Berufs- und Umweltdermatologie der Deutschen Dermatologischen Gesellschaft
| | - Fölster-Holst Regina
- Arbeitsgemeinschaft Pädiatrische Dermatologie der Deutschen Dermatologischen Gesellschaft
| | | | | | | | - Kapp Alexander
- Deutsche Gesellschaft für Allergologie und Klinische Immunologie
| | - Nast Alexander
- Arbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften e.V. (Moderation)
| | - Nemat Katja
- Berufsverband der Kinder- und Jugendärzte e.V
| | - Ott Hagen
- Deutsche Gesellschaft für Kinder- und Jugendmedizin e.V
| | - Przybilla Bernhard
- Arbeitsgemeinschaft Allergologie der Deutschen Dermatologischen Gesellschaft
| | | | | | | | | | | | - Staab Doris
- Arbeitsgemeinschaft Neurodermitisschulung e.V
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Eyerich K, Eyerich S, Biedermann T. The Multi-Modal Immune Pathogenesis of Atopic Eczema. Trends Immunol 2015; 36:788-801. [DOI: 10.1016/j.it.2015.10.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 10/06/2015] [Accepted: 10/16/2015] [Indexed: 02/06/2023]
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35
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Werfel T, Asero R, Ballmer-Weber BK, Beyer K, Enrique E, Knulst AC, Mari A, Muraro A, Ollert M, Poulsen LK, Vieths S, Worm M, Hoffmann-Sommergruber K. Position paper of the EAACI: food allergy due to immunological cross-reactions with common inhalant allergens. Allergy 2015; 70:1079-90. [PMID: 26095197 DOI: 10.1111/all.12666] [Citation(s) in RCA: 129] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2015] [Indexed: 01/22/2023]
Abstract
In older children, adolescents, and adults, a substantial part of all IgE-mediated food allergies is caused by cross-reacting allergenic structures shared by inhalants and foods. IgE stimulated by a cross-reactive inhalant allergen can result in diverse patterns of allergic reactions to various foods. Local, mild, or severe systemic reactions may occur already after the first consumption of a food containing a cross-reactive allergen. In clinical practice, clinically relevant sensitizations are elucidated by skin prick testing or by the determination of specific IgE in vitro. Component-resolved diagnosis may help to reach a diagnosis and may predict the risk of a systemic reaction. Allergy needs to be confirmed in cases of unclear history by oral challenge tests. The therapeutic potential of allergen immunotherapy with inhalant allergens in pollen-related food allergy is not clear, and more placebo-controlled studies are needed. As we are facing an increasing incidence of pollen allergies, a shift in sensitization patterns and changes in nutritional habits, and the occurrence of new, so far unknown allergies due to cross-reactions are expected.
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Affiliation(s)
- T. Werfel
- Department of Dermatology and Allergy; Hannover Medical University; Hannover Germany
| | - R. Asero
- Ambulatorio di Allergologia; Clinica San Carlo; Paderno Dugnano; Milan Italy
| | - B. K. Ballmer-Weber
- Allergy Unit; Department of Dermatology; University Hospital Zürich; Zürich Switzerland
| | - K. Beyer
- Division of Paediatric Pneumology and Immunology; Charité University Hospital; Berlin Germany
| | - E. Enrique
- Allergy Division; Hospital General de Castellón; Castellón Spain
| | - A. C. Knulst
- Department of Dermatology/Allergology; University Medical Center Utrecht; Utrecht The Netherlands
| | - A. Mari
- Associated Center for Molecular Allergology (CAAM); Latina Italy
| | - A. Muraro
- The Referral Centre for Food Allergy Diagnosis and Treatment Veneto Region; Department of Mother and Child Health; University of Padua; Padua Italy
| | - M. Ollert
- Department of Infection and Immunity; Luxembourg Institute of Health; Esch-sur-Alzette; Luxembourg and Department of Dermatology and Allergy; Biederstein; Technische Universität München (TUM); Munich Germany
| | - L. K. Poulsen
- Allergy Clinic Copenhagen University Hospital at Gentofte; Copenhagen Denmark
| | - S. Vieths
- Division of Allergology; Paul-Ehrlich Institute; Langen Germany
| | - M. Worm
- Department of Dermatology and Allergy; of Charité - Universitätsmedizin Berlin; Berlin Germany
| | - K. Hoffmann-Sommergruber
- Department of Pathophysiology and Allergy Research; Medical University of Vienna; Vienna Austria
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Atopic dermatitis: current treatment guidelines. Statement of the experts of the Dermatological Section, Polish Society of Allergology, and the Allergology Section, Polish Society of Dermatology. Postepy Dermatol Alergol 2015; 32:239-49. [PMID: 26366146 PMCID: PMC4565838 DOI: 10.5114/pdia.2015.53319] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 06/30/2015] [Accepted: 06/30/2015] [Indexed: 12/16/2022] Open
Abstract
Atopic dermatitis (AD) is a condition frequently encountered in medical practices across the country. More than 60% of children with AD are at risk to develop allergic rhinitis or asthma (the atopic march). Patients with AD have a unique predisposition to colonization or infection by Staphylococcus aureus. Treatments for AD need to rapidly control symptoms of the disease, improve quality of life and prevent exacerbations. Given the chronic and relapsing nature of the disease, therapies need to encourage good compliance and be well tolerated.
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Čelakovská J. Atopic march, food allergy and food hypersensitivity in children and adolescents suffering from atopic dermatitis. FOOD AGR IMMUNOL 2015. [DOI: 10.1080/09540105.2014.998636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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38
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Werfel T, Heratizadeh A, Niebuhr M, Kapp A, Roesner LM, Karch A, Erpenbeck VJ, Lösche C, Jung T, Krug N, Badorrek P, Hohlfeld JM. Exacerbation of atopic dermatitis on grass pollen exposure in an environmental challenge chamber. J Allergy Clin Immunol 2015; 136:96-103.e9. [PMID: 26044854 DOI: 10.1016/j.jaci.2015.04.015] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Revised: 03/03/2015] [Accepted: 04/03/2015] [Indexed: 12/20/2022]
Abstract
BACKGROUND It has frequently been speculated that pruritus and skin lesions develop after topical exposure to aeroallergens in sensitized patients with atopic dermatitis (AD). OBJECTIVE We sought to study cutaneous reactions to grass pollen in adult patients with AD with accompanying clear IgE sensitization to grass allergen in an environmental challenge chamber using a monocenter, double-blind, placebo-controlled study design. METHODS Subjects were challenged on 2 consecutive days with either 4000 pollen grains/m(3) of Dactylis glomerata pollen or clean air. The severity of AD was assessed at each study visit up to 5 days after challenge by (objective) scoring of AD (SCORAD). Additionally, air-exposed and non-air-exposed skin areas were each scored using local SCORAD scoring and investigator global assessments. Levels of a series of serum cytokines and chemokines were determined by using a Luminex-based immunoassay. The primary end point of the study was the change in objective SCORAD scores between prechallenge and postchallenge values. RESULTS Exposure to grass pollen induced a significant worsening of AD. A pronounced eczema flare-up of air-exposed rather than covered skin areas occurred. In grass pollen-exposed subjects a significantly higher increase in CCL17, CCL22, and IL-4 serum levels was observed. CONCLUSIONS This study demonstrates that controlled exposure to airborne allergens of patients with a so-called extrinsic IgE-mediated form of AD induced a worsening of cutaneous symptoms.
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Affiliation(s)
- Thomas Werfel
- Division of Immunodermatology and Allergy Research, Department of Dermatology and Allergy, Hannover Medical School, Hannover, Germany
| | - Annice Heratizadeh
- Division of Immunodermatology and Allergy Research, Department of Dermatology and Allergy, Hannover Medical School, Hannover, Germany.
| | - Margarete Niebuhr
- Division of Immunodermatology and Allergy Research, Department of Dermatology and Allergy, Hannover Medical School, Hannover, Germany
| | - Alexander Kapp
- Division of Immunodermatology and Allergy Research, Department of Dermatology and Allergy, Hannover Medical School, Hannover, Germany
| | - Lennart Matthias Roesner
- Division of Immunodermatology and Allergy Research, Department of Dermatology and Allergy, Hannover Medical School, Hannover, Germany
| | - Annika Karch
- Institute for Biostatistics, Hannover Medical School, Hannover, Germany
| | | | | | | | - Norbert Krug
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Research (BREATH), Member of the German Center for Lung Research, Hannover, Germany
| | - Philipp Badorrek
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hannover, Germany
| | - Jens M Hohlfeld
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Research (BREATH), Member of the German Center for Lung Research, Hannover, Germany
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Liska M, Gutova V, Panzner P, Brodska P. The Clinical Relevance of Various Hypersensitivity Tests in Patients with Atopic Dermatitis as Assessed by Their History, SCORAD Changes, and Number of Days with Need of Anti-Inflammatory Treatment. PEDIATRIC ALLERGY, IMMUNOLOGY, AND PULMONOLOGY 2015; 28:87-91. [PMID: 26155366 PMCID: PMC4491164 DOI: 10.1089/ped.2014.0434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 01/27/2015] [Indexed: 06/04/2023]
Abstract
Immediate and delayed hypersensitivity reactions can play a role in the pathogenesis of atopic dermatitis (AD). We tested 71 patients (median age 5 years) with AD for hypersensitivity to grass and birch pollen, Dermatophagoides pteronyssinus, and Dermatophagoides farinae using atopy patch test (APT), skin prick test (SPT), and specific IgE measurement. The sensitivity (SE) and specificity (SP) of the tests were calculated on the basis of personal history of AD exacerbation, clinical AD score (SCORAD) changes, and the number of days with need for topical anti-inflammatory treatment (AITD) in relation to exposure to the allergens being tested. APT was positive in 45 patients, mostly to D. farinae (n=37). SPT and/or specific IgE were positive in 42 subjects, in most cases to grass and birch pollen (n=29). SE of APT reached 33%-56% for history, 33% for SCORAD, and 0%-60% for AITD; SP of APT was comparable for all three assessment standards (history, SCORAD, and AITD) (48%-67%). SE of SPT/specific IgE was higher for history (26%-63%) than for the other two standards of assessment (0%-67%); SP of SPT/specific IgE was also highest for history (69%-91%), and lower for SCORAD (59%-87%) and AITD (65%-80%). AD is often associated with hypersensitivity; its influence on AD, however, is clinically significant only in a minor group of patients. While personal history and SCORAD changes present themselves as possible standards in the evaluation of clinically relevant hypersensitivity in AD patients, the anti-inflammatory treatment days (AITD) appears to be unsuitable for this purpose.
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Affiliation(s)
- Martin Liska
- Department of Immunology and Allergology, University Hospital Pilsen, Pilsen, Czech Republic
| | - Vaclava Gutova
- Department of Immunology and Allergology, University Hospital Pilsen, Pilsen, Czech Republic
| | - Petr Panzner
- Department of Immunology and Allergology, University Hospital Pilsen, Pilsen, Czech Republic
| | - Petra Brodska
- Department of Dermatovenereology, University Hospital Pilsen, Pilsen, Czech Republic
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Agache I, Bilò M, Braunstahl GJ, Delgado L, Demoly P, Eigenmann P, Gevaert P, Gomes E, Hellings P, Horak F, Muraro A, Werfel T, Jutel M. In vivo diagnosis of allergic diseases--allergen provocation tests. Allergy 2015; 70:355-65. [PMID: 25640808 DOI: 10.1111/all.12586] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/25/2015] [Indexed: 12/31/2022]
Abstract
The allergen challenge test has been the mainstay of diagnosis of allergic diseases for a long time since it offers a direct proof of the clinical relevance of a particular allergen for the allergic disease symptoms and severity. Standardisation and availability for daily practice (including safety issues) are still to be refined but most of the challenge tests have safely crossed the border from research tools to diagnostic tests available for daily practice for a well trained clinical staff.
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Affiliation(s)
- I. Agache
- Transylvania University Brasov; Brasov Romania
| | - M. Bilò
- Internal Medicine; Allergy Unit; Ancona Italy
| | | | - L. Delgado
- Faculty of Medicine; Allergy Division; Porto University; Porto Portugal
| | - P. Demoly
- Allergy; University Hospital of Montpellier; Montpellier France
| | - P. Eigenmann
- Paediatrics; University Hospital Geneva; Geneva Switzerland
| | - P. Gevaert
- Otorhinolaryngology; Ghent University; Ghent Belgium
| | - E. Gomes
- Servico de Imunoalergologia; Hospital Maria Pia; Porto Portugal
| | - P. Hellings
- Department of Orothinolaryngology; University Hospitals Leuven; Leuven Belgium
| | - F. Horak
- Department of Allergy Research; Allergy Center Wien West; Vienna Austria
| | - A. Muraro
- Department of Pediatrics; Referral Centre for Food Allergy; Padua General University Hospital; Padua Italy
| | - T. Werfel
- Dermatology and Allergy; Hannover Medical School; Hannover Austria
| | - M. Jutel
- Department of Clinical Immunology; Wroclaw Medical University; Wroclaw Poland
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41
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Kijima A, Murota H, Arase N, Yang L, Nishioka M, Yamaoka T, Kitaba S, Yamauchi-Takihara K, Katayama I. Prevalence and Impact of Past History of Food Allergy in Atopic Dermatitis. Allergol Int 2015; 62:105-112. [PMID: 28942983 DOI: 10.2332/allergolint.12-oa-0468] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 09/01/2012] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Increases in allergic diseases have been reported from various epidemiological surveys. However, a few reports demonstrate the comorbidity of food allergy (FA) and allergic march. The aim of this study was to assess the prevalence and comorbidity of allergic diseases in Japanese students. METHODS First-year students (n = 3,321; 2,209 male and 1,112 female) at Osaka University were asked about allergic diseases using postal interview sheets. Personal and family histories of doctor-diagnosed allergic diseases, clinical courses, and aggravating factors were included in the questionnaires. RESULTS The lifetime prevalence of allergic rhinitis (AR), atopic dermatitis (AD), bronchial asthma (BA), and FA was 35.7%, 16.5%, 9.9%, and 7.0%, respectively. Disease-specific family histories existed for AR, AD, and BA. There was a positive correlation between the number of family histories of allergic disease and comorbidity (R = 0.370, P <0.001). Comorbidity with AD significantly lowered the onset age of both BA (P = 0.010) and AR (P <0.001). In addition, the onset age of AD was remarkably lowered by comorbidity with FA (P <0.001). Comorbidity with FA was the highest risk factor for the progression of allergic march. Although most students showed improvement in AD, BA, and AR over time, the peak recurrence period was observed in adolescence. CONCLUSIONS These findings indicate that AD associated with FA accelerates the subsequent progression of allergic march. Early appropriate management for genetically high-risk groups is important for the prevention of allergic march.
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Affiliation(s)
- Akiko Kijima
- Department of Dermatology, Osaka University Graduate School of Medicine
| | - Hiroyuki Murota
- Department of Dermatology, Osaka University Graduate School of Medicine.
| | - Noriko Arase
- Department of Dermatology, Osaka University Graduate School of Medicine
| | - Lingli Yang
- Department of Dermatology, Osaka University Graduate School of Medicine
| | - Megumi Nishioka
- Department of Dermatology, Osaka University Graduate School of Medicine
| | - Toshifumi Yamaoka
- Department of Dermatology, Osaka University Graduate School of Medicine
| | - Shun Kitaba
- Department of Dermatology, Osaka University Graduate School of Medicine
| | | | - Ichiro Katayama
- Department of Dermatology, Osaka University Graduate School of Medicine
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Skypala IJ, Venter C, Meyer R, deJong NW, Fox AT, Groetch M, Oude Elberink JN, Sprikkelman A, Diamandi L, Vlieg-Boerstra BJ. The development of a standardised diet history tool to support the diagnosis of food allergy. Clin Transl Allergy 2015; 5:7. [PMID: 25741437 PMCID: PMC4349299 DOI: 10.1186/s13601-015-0050-2] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 01/30/2015] [Indexed: 01/26/2023] Open
Abstract
The disparity between reported and diagnosed food allergy makes robust diagnosis imperative. The allergy-focussed history is an important starting point, but published literature on its efficacy is sparse. Using a structured approach to connect symptoms, suspected foods and dietary intake, a multi-disciplinary task force of the European Academy of Allergy and Clinical Immunology developed paediatric and adult diet history tools. Both tools are divided into stages using traffic light labelling (red, amber and green). The red stage requires the practitioner to gather relevant information on symptoms, atopic history, food triggers, foods eaten and nutritional issues. The amber stage facilitates interpretation of the responses to the red-stage questions, thus enabling the practitioner to prepare to move forward. The final green stage provides a summary template and test algorithm to support continuation down the diagnostic pathway. These tools will provide a standardised, practical approach to support food allergy diagnosis, ensuring that all relevant information is captured and interpreted in a robust manner. Future work is required to validate their use in diverse age groups, disease entities and in different countries, in order to account for differences in health care systems, food availability and dietary norms.
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Affiliation(s)
| | - Carina Venter
- The David Hide 6. Asthma and Allergy Research Centre, Isle of Wight, UK
| | - Rosan Meyer
- Great Ormond Street NHS Foundation Trust, London, UK
| | | | - Adam T Fox
- Guy's and St Thomas' Hospitals NHS Foundation Trust and Kings College, London, UK
| | - Marion Groetch
- Jaffe Food Allergy Institute, Icahn School of Medicine at Mount Sinai, New York, USA
| | - J N Oude Elberink
- Department of Allergology, University Medical Centre of Groningen, University of Groningen, Groningen, NL Netherlands
| | - Aline Sprikkelman
- Emma Children's Hospital Academic Medical Centre, Amsterdam, NL Netherlands
| | | | - Berber J Vlieg-Boerstra
- Emma Children's Hospital, Paediatric Respiratory Medicine and Allergy, Academic Medical Centre, University of Amsterdam, Amsterdam, NL Netherlands
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Dhami S, Sheikh A. Estimating the prevalence of aero-allergy and/or food allergy in infants, children and young people with moderate-to-severe atopic eczema/dermatitis in primary care: multi-centre, cross-sectional study. J R Soc Med 2015; 108:229-36. [PMID: 25567768 DOI: 10.1177/0141076814562982] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE We sought to determine the primary care-based prevalence of moderate-to-severe atopic eczema/dermatitis in children and to estimate what proportion had co-morbid aero-allergy and/or food allergy that was contributing to their atopic eczema/dermatitis. DESIGN Multi-centre, cross-sectional study. PARTICIPANTS Infants, children and young people aged between 0-17 years. SETTING Primary Care. METHODS General practice electronic health records were interrogated to identify children (0-17 years) with current moderate-to-severe atopic eczema/dermatitis. Eligible children were assessed by an allergy specialist nurse, this involving a detailed allergy history, examination and, if appropriate, measurement of total IgE and specific IgE to relevant aero-allergens and/or food allergens. MAIN OUTCOME MEASURES Prevalence of atopic eczema, moderate to severe atopic eczema, IgE-mediated atopic eczema. RESULTS We recruited eight practices, which together enrolled 16,877 children. Of these, 4331 (25.7%; 95% CI 25.0, 26.3) children had a recorded diagnosis of atopic eczema/dermatitis and 1316 (7.8%; 95% CI 7.4, 8.2) had treatment indicative of current moderate-to-severe atopic eczema/dermatitis. We recruited 159 children for clinical assessment, and complete data were available for 157. The clinical assessment revealed that 130/157 (82.8%) had no indication of IgE-mediated allergy contributing to their atopic eczema/dermatitis; the remaining 27/157 (17.2%; 95% CI 12.1, 23.9) were on clinical assessment considered to possibly have underlying IgE-mediated disease. Specific IgE tests were positive in 14/27 (51.9%; 95% CI 34.0, 69.3) children. Of the 14 children who tested positive, six (42.9%; 95% CI 21.4, 67.4) were positive to food allergens and six (42.9%; 95% CI 21.4, 67.4) to aero-allergens; the remaining two (14.3%; 95% CI 4.0, 40.0) were positive to both food and aero-allergens. CONCLUSIONS Although atopic eczema/dermatitis is a very common diagnosis in children in primary care, most appear to be relatively mild and/or transient. Only a small proportion of children had evidence of ongoing underlying IgE-mediated atopic eczema/dermatitis.
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Affiliation(s)
| | - Aziz Sheikh
- Centre for Population Health Sciences, The University of Edinburgh, Edinburgh, UK Division of General Internal Medicine and Primary Care, Brigham and Women's Hospital/Harvard Medical School, Boston, USA
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44
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Ahrens B, Niggemann B, Wahn U, Beyer K. Positive reactions to placebo in children undergoing double-blind, placebo-controlled food challenge. Clin Exp Allergy 2014; 44:572-8. [PMID: 24479560 DOI: 10.1111/cea.12284] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 01/13/2014] [Accepted: 01/15/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND The gold standard in the diagnosis of food allergy is the double-blind, placebo-controlled oral food challenge (DBPCFC). During this challenge, patients receive the allergenic food and placebo on separate randomized days, while being monitored for clinical reactions. Interestingly, some reactions are assessed as positive although the patients had received placebo. The aim of our study was to analyze incidence and characteristics of positive placebo reactions during DBPCFCs. METHODS In food-allergic children, we retrospectively analyzed positive placebo reactions in DBPCFCs in 740 placebo challenges in our department. Individual characteristics were compared, such as age or IgE levels, as well as clinical symptoms. RESULTS Of all placebo challenges, 2.8% (21 of 740) were assessed as positive. Young children (age ≤ 1.5 years) had more (P = 0.047) positive placebo challenges (4.0%) compared to older children (age > 1.5 years; 1.5%). Children with positive placebo challenges had higher levels of total IgE (median 201 kU/L) compared to negatively classified children (median 110 kU/L). In children with positive placebo reactions, skin symptoms were observed significantly more often, with a worsening of atopic eczema (AE) as the most reported symptom. CONCLUSION Placebo reactions in DBPCFC are not common. Worsening of AE is the most frequent clinical reaction associated with positive placebo challenges, and young children (age ≤ 1.5 years) seem to be affected more often. Therefore - contrary to current recommendations - DBPCFC tests should be considered in infants and young children, especially those with a history of AE.
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Affiliation(s)
- B Ahrens
- Department of Pediatric Pneumology and Immunology, Charité Universitätsmedizin, Berlin, Germany
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45
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Luyt D, Ball H, Makwana N, Green MR, Bravin K, Nasser SM, Clark AT. BSACI guideline for the diagnosis and management of cow's milk allergy. Clin Exp Allergy 2014; 44:642-72. [PMID: 24588904 DOI: 10.1111/cea.12302] [Citation(s) in RCA: 209] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 02/19/2014] [Accepted: 02/26/2014] [Indexed: 12/20/2022]
Abstract
This guideline advises on the management of patients with cow's milk allergy. Cow's milk allergy presents in the first year of life with estimated population prevalence between 2% and 3%. The clinical manifestations of cow's milk allergy are very variable in type and severity making it the most difficult food allergy to diagnose. A careful age- and disease-specific history with relevant allergy tests including detection of milk-specific IgE (by skin prick test or serum assay), diagnostic elimination diet, and oral challenge will aid in diagnosis in most cases. Treatment is advice on cow's milk avoidance and suitable substitute milks. Cow's milk allergy often resolves. Reintroduction can be achieved by the graded exposure, either at home or supervised in hospital depending on severity, using a milk ladder. Where cow's milk allergy persists, novel treatment options may include oral tolerance induction, although most authors do not currently recommend it for routine clinical practice. Cow's milk allergy must be distinguished from primary lactose intolerance. This guideline was prepared by the Standards of Care Committee (SOCC) of the British Society for Allergy and Clinical Immunology (BSACI) and is intended for clinicians in secondary and tertiary care. The recommendations are evidence based, but where evidence is lacking the panel of experts in the committee reached consensus. Grades of recommendation are shown throughout. The document encompasses epidemiology, natural history, clinical presentations, diagnosis, and treatment.
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Affiliation(s)
- D Luyt
- University Hospitals of Leicester NHS Trust, Leicester, UK
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Guidelines of care for the management of atopic dermatitis: Section 4. Prevention of disease flares and use of adjunctive therapies and approaches. J Am Acad Dermatol 2014; 71:1218-33. [PMID: 25264237 DOI: 10.1016/j.jaad.2014.08.038] [Citation(s) in RCA: 202] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 08/06/2014] [Accepted: 08/22/2014] [Indexed: 01/27/2023]
Abstract
Atopic dermatitis is a common, chronic inflammatory dermatosis that can affect all age groups. This evidence-based guideline addresses important clinical questions that arise in its management. In this final section, treatments for flare prevention and adjunctive and complementary therapies and approaches are reviewed. Suggestions on use are given based on available evidence.
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Celakovská J, Bukač J. Analysis of food allergy in atopic dermatitis patients - association with concomitant allergic diseases. Indian J Dermatol 2014; 59:445-50. [PMID: 25284847 PMCID: PMC4171910 DOI: 10.4103/0019-5154.139867] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND A few reports demonstrate the comorbidity of food allergy and allergic march in adult patients. AIMS AND OBJECTIVES To evaluate, if there is some relation in atopic dermatitis patients at the age 14 years and older who suffer from food allergy to common food allergens to other allergic diseases and parameters as bronchial asthma, allergic rhinitis, duration of atopic dermatitis, family history and onset of atopic dermatitis. MATERIALS AND METHODS Complete dermatological and allergological examination was performed; these parameters were examined: food allergy (to wheat flour, cow milk, egg, peanuts and soy), the occurrence of bronchial asthma, allergic rhinitis, duration of atopic dermatitis, family history and onset of atopic dermatitis. The statistical evaluation of the relations among individual parameters monitored was performed. RESULTS Food allergy was altogether confirmed in 65 patients (29%) and these patients suffer significantly more often from bronchial asthma and allergic rhinitis. Persistent atopic dermatitis lesions and positive data in family history about atopy are recorded significantly more often in patients with confirmed food allergy to examined foods as well. On the other hand, the onset of atopic dermatitis under 5 year of age is not recorded significantly more often in patients suffering from allergy to examined foods. CONCLUSION Atopic dermatitis patients suffering from food allergy suffer significantly more often from allergic rhinitis, bronchial asthma, persistent eczematous lesions and have positive data about atopy in their family history.
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Affiliation(s)
- Jarmila Celakovská
- Department of Dermatology and Venereology, Medical Faculty of Charles University, Hradec Králové, Czech Republic
| | - Josef Bukač
- Department of Medical Biophysic, Medical Faculty of Charles University, Hradec Králové, Czech Republic
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Muraro A, Werfel T, Hoffmann-Sommergruber K, Roberts G, Beyer K, Bindslev-Jensen C, Cardona V, Dubois A, duToit G, Eigenmann P, Fernandez Rivas M, Halken S, Hickstein L, Høst A, Knol E, Lack G, Marchisotto MJ, Niggemann B, Nwaru BI, Papadopoulos NG, Poulsen LK, Santos AF, Skypala I, Schoepfer A, Van Ree R, Venter C, Worm M, Vlieg-Boerstra B, Panesar S, de Silva D, Soares-Weiser K, Sheikh A, Ballmer-Weber BK, Nilsson C, de Jong NW, Akdis CA. EAACI food allergy and anaphylaxis guidelines: diagnosis and management of food allergy. Allergy 2014; 69:1008-25. [PMID: 24909706 DOI: 10.1111/all.12429] [Citation(s) in RCA: 782] [Impact Index Per Article: 78.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2014] [Indexed: 12/11/2022]
Abstract
Food allergy can result in considerable morbidity, impact negatively on quality of life, and prove costly in terms of medical care. These guidelines have been prepared by the European Academy of Allergy and Clinical Immunology's (EAACI) Guidelines for Food Allergy and Anaphylaxis Group, building on previous EAACI position papers on adverse reaction to foods and three recent systematic reviews on the epidemiology, diagnosis, and management of food allergy, and provide evidence-based recommendations for the diagnosis and management of food allergy. While the primary audience is allergists, this document is relevant for all other healthcare professionals, including primary care physicians, and pediatric and adult specialists, dieticians, pharmacists and paramedics. Our current understanding of the manifestations of food allergy, the role of diagnostic tests, and the effective management of patients of all ages with food allergy is presented. The acute management of non-life-threatening reactions is covered in these guidelines, but for guidance on the emergency management of anaphylaxis, readers are referred to the related EAACI Anaphylaxis Guidelines.
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Werfel T, Schwerk N, Hansen G, Kapp A. The diagnosis and graded therapy of atopic dermatitis. DEUTSCHES ARZTEBLATT INTERNATIONAL 2014; 111:509-20, i. [PMID: 25142076 PMCID: PMC4150028 DOI: 10.3238/arztebl.2014.0509] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 11/06/2013] [Accepted: 06/23/2014] [Indexed: 02/04/2023]
Abstract
BACKGROUND Atopic dermatitis is the most common skin disease in children, with a prevalence of 10% to 15%, and is common in adults as well. Close coordination between primary care physicians and specialists is essential for the adequate treatment of chronically and severely affected patients. METHOD This article is a review of pertinent publications that were retrieved by a selective search in Pubmed, with additional consideration of the guidelines of the Association of Medical Scientific Societies in Germany (AWMF) and the European Dermatology Forum. RESULTS Trigger factors such as skin irritants, allergens, microbial pathogens, and psychological factors can affect the condition of the skin differently in individual patients and should be individually assessed. The use of skin moisturising creams or emollients along with avoidance of specific and unspecific irritants is of great importance, as these patients have an impaired cutaneous barrier. Topical anti-inflammatory treatment with glucocorticoids or calcineurin inhibitors is a central part of the management of atopic dermatitis; in exceptional cases, severely affected patients are treated with systemic anti-inflammatory drugs. Interdisciplinary patient education has been found to be an effective tool in the complex management of this disease. Chronically and severely affected patients present special challenges for diagnosis and treatment. CONCLUSION Recent advances in the understanding of the molecular basis of cutaneous barrier disorders and of congenital and acquired immune disorders have led to new approaches to the treatment of atopic dermatitis.
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Affiliation(s)
- Thomas Werfel
- Department of Dermatology and Allergology, Hannover Skin Cancer Center, Hannover Medical School
| | - Nicolaus Schwerk
- Clinic for Paediatric Pneumology and Neonatology, Hannover Medical School
| | - Gesine Hansen
- Clinic for Paediatric Pneumology and Neonatology, Hannover Medical School
| | - Alexander Kapp
- Department of Dermatology and Allergology, Hannover Skin Cancer Center, Hannover Medical School
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Passeti SRM, Fonseca FLA, Wandalsen NF. Response of Specific Immunoglobulin E to Foods in Children with Atopic Dermatitis. Arch Immunol Ther Exp (Warsz) 2014; 62:405-10. [DOI: 10.1007/s00005-014-0288-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 12/06/2013] [Indexed: 11/28/2022]
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