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Collinson A, Waddell L, Freeman-Hughes A, Hickson M. Impact of a dietitian in general practice: paediatric food allergy. J Hum Nutr Diet 2022; 36:707-715. [PMID: 36562089 DOI: 10.1111/jhn.13130] [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: 06/15/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Food allergy in infants and young children places a significant burden on primary care. This study evaluated a dietetic-led paediatric food allergy service, which attempts to provide more rapid access to the dietitian and reduce the need for general practitioner (GP) and secondary care appointments. METHODS Two community dietetic services for children referred with food allergy were compared. The first was dietetic-led care where dietitians train community children's nurses to recognise potential cases of food allergy, undertake basic diagnostic assessment and subsequently refer to the dietitian. The other was a more traditional dietetic community service where patients were referred predominantly by the GP or secondary care. RESULTS In dietetic-led care 86 patients were seen, compared to 96 in dietetic community care. Dietetic-led care received fewer referrals from the GP, 36% versus 67% (p < 0.001); GP appointments for allergy-related conditions prior to dietetic referral were lower, 3 versus 6 visits (p = 0.001); and input from secondary care was also lower, 8 versus 25 patients (p = 0.002) compared with dietetic community care. Children referred to dietetic-led care were younger, 78% <6 months versus 40% (p < 0.001) in dietetic community care. CONCLUSIONS Dietetic-led care describes a model that has the potential to reduce GP and secondary care appointments, identify patients more quickly and reduce the time to receive dietetic input, thereby resolving symptoms more quickly and reducing prescribed medications. This model demonstrates the importance of integrated care and multidisciplinary working, offering a solution to reducing GP workload while maintaining or improving patient care.
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Affiliation(s)
- Avril Collinson
- Plymouth Institute of Health Research, University of Plymouth, Plymouth, UK
| | - Lisa Waddell
- Department of Community Childrens Nutrition and Dietetic, Nottingham CityCare Partnership, Nottingham, UK
| | - Amy Freeman-Hughes
- Department of Nutrition and Dietetics, Nottinghamshire Healthcare NHS Foundation Trust, Nottingham, UK
| | - Mary Hickson
- Plymouth Institute of Health Research, University of Plymouth, Plymouth, UK.,NIHR Applied Research Collaboration South West Peninsula (PenARC), University of Plymouth, Plymouth, UK
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Schelly D, Ohl A, Meramo H. College students with food allergy: From hypervigilance to disclosure fatigue. J Pediatr Nurs 2022; 70:e32-e39. [PMID: 36494237 DOI: 10.1016/j.pedn.2022.11.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 11/23/2022] [Accepted: 11/23/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE The purpose of this study was to explore the impact of food allergy (FA) on the daily lives of young adults who recently transitioned to attending college away from home. DESIGN AND METHODS We conducted in-depth qualitative interviews using a grounded theory approach to data collection, data analysis, and theory development. For recruitment, we posted a flier on a FA Facebook group and reposted approximately monthly for one year. We completed and recorded 16 interviews that ranged in duration from 30 to 90 min. The interviews were transcribed, coded, and analyzed with the intention of developing mid-range theory. RESULTS Several interrelated themes were identified during the analytical process, including hypervigilance, misunderstood risk, and stigma management. Notably, a series of cascading effects eventually lead to what we call "disclosure fatigue," where students with FA tire of talking about their invisible disability with people who misunderstand it, and they eventually develop strategies to avoid conversations. The consequences include a narrowing of social networks and activities and even risky food behaviors. CONCLUSIONS Research is needed in other settings, for other conditions, to consider and ameliorate the negative health consequences associated with disclosure fatigue. PRACTICE IMPLICATIONS In addition to focusing on physical aspects of FA, including avoiding exposure, healthcare practitioners in pediatric settings should emphasize social aspects of FA that gain influence during the transition out of high school and away from home. Disclosure fatigue provides one explanation for why individuals with FA may choose to ignore best practices and engage in risky food behaviors.
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Affiliation(s)
- David Schelly
- Department of Occupational Therapy, Lewis School of Health Sciences, Clarkson University, Box 5883, 8 Clarkson Ave., Potsdam, NY 13699, USA.
| | - Alisha Ohl
- Department of Occupational Therapy, Lewis School of Health Sciences, Clarkson University, Box 5883, 8 Clarkson Ave., Potsdam, NY 13699, USA
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Broome SB, Williams KW, Hendrix KH. App providing psychosocial and educational supports benefits caregivers of children with newly diagnosed food allergies. JOURNAL OF FOOD ALLERGY 2022; 4:163-171. [PMID: 39036772 PMCID: PMC11250544 DOI: 10.2500/jfa.2022.4.220035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
Background Approximately 6 million children in the United States have a diagnosed food allergy, and 32% of caregivers experience significant psychological distress due to the diagnosis. Despite substantial impacts on psychosocial health and quality of life, few interventions aim to help caregivers of newly diagnosed children. There is a clear, unmet need for interventions to address caregiver distress, especially after the initial diagnosis. Objective We developed a mobile psychosocial health intervention, the Food Allergy Symptom Self-Management with Technology (FASST) app. Primary end points were to determine the app's feasibility and caregiver satisfaction. Methods This was a phase II, randomized controlled, implementation study (4-week duration) in caregivers (N = 30) of children ≤ 18 years of age who were newly diagnosed with a food allergy (≤90 days after the diagnosis). Caregivers (n = 20) were randomized to use the FASST app (intervention group) with access to individualized, self-help symptom relief interventions and food allergy support, and educational resources; or to use a limited app with a basic FASST interface and links to a few educational resources (control group [n = 10]). Ten participants (intervention group, n = 5; control group, n = 5) participated in semistructured interviews at week 4. Results Both groups found the app relatively easy to use. The intervention group scores for safety preparedness during social activities increased by 24%, whereas those in the control group experienced a 1% decline. The intervention group participants increased the use of websites to find food allergy information by 17% at week 4 compared with 4% for the control group. Although the intervention group participants showed greater gains than did those in the control group in their confidence to prepare for and prevent allergic reactions, and greater declines in perceived social limitations, more participants in the control group endorsed confidence in their ability to recognize (11% versus 5%, respectively) and treat (10% versus 6%, respectively) allergic reactions. Conclusion Analysis of our results suggests that the FASST app may provide a feasible means of delivering psychosocial and educational supports to caregivers of children recently diagnosed with a food allergy.Clinical trial NCT04512924, www.clinicaltrials.gov.
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Affiliation(s)
- S Brantlee Broome
- From the College of Nursing, Medical University of South Carolina, South Carolina
| | - Kelli W Williams
- From the College of Nursing, Medical University of South Carolina, South Carolina
| | - Katharine H Hendrix
- From the College of Nursing, Medical University of South Carolina, South Carolina
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Rahman S, Elliott SA, Scott SD, Hartling L. Children at risk of anaphylaxis: A mixed-studies systematic review of parents' experiences and information needs. PEC INNOVATION 2022; 1:100018. [PMID: 37213745 PMCID: PMC10194313 DOI: 10.1016/j.pecinn.2022.100018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/13/2022] [Accepted: 01/17/2022] [Indexed: 05/23/2023]
Abstract
Objective To explore parents' self-reported experiences and information needs regarding recognition and management of pediatric anaphylaxis. Methods We searched Ovid Medline, Ovid PsychInfo, CINAHL Plus, the Cochrane Library, and grey literature to identify primary studies in English or French published since 2000. We used a mixed-method appraisal tool and convergent integrated approach to assess quality and synthesize data, respectively. Results 43 studies were included (22 quantitative, 19 qualitative, and 2 mixed-method); 77% of studies had high methodological quality. Parents' experiences were categorized as: recognizing an anaphylactic reaction; managing and responding to a reaction; emotional impact of caring for a child at risk of anaphylaxis; and interaction with the health system and healthcare providers. Parents' information needs were categorized into themes relating to: gaps in knowledge and information; type of information desired; information sources; and information delivery format. Conclusion Negative emotional experiences and a general lack of information were commonly reported by parents of included studies. Provision of relevant and comprehensible information may help parents to make informed decisions and manage reactions promptly. Innovation The findings of this review are guiding the development of an innovative knowledge translation tool (KT) as part of a larger initiative of developing a suite of parent-focused KT tools for acute childhood conditions.
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Affiliation(s)
- Sholeh Rahman
- Alberta Research Centre for Health Evidence (ARCHE), Department of Pediatrics, University of Alberta, Edmonton, Canada
| | - Sarah A. Elliott
- Alberta Research Centre for Health Evidence (ARCHE), Department of Pediatrics, University of Alberta, Edmonton, Canada
| | - Shannon D. Scott
- Translating Evidence in Child Health to Enhance Outcomes (ECHO), Faculty of Nursing, University of Alberta, Edmonton, Canada
| | - Lisa Hartling
- Alberta Research Centre for Health Evidence (ARCHE), Department of Pediatrics, University of Alberta, Edmonton, Canada
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Gonzalez-Visiedo M, Kulis MD, Markusic DM. Manipulating the microbiome to enhance oral tolerance in food allergy. Cell Immunol 2022; 382:104633. [PMID: 36347161 DOI: 10.1016/j.cellimm.2022.104633] [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: 07/15/2022] [Revised: 10/06/2022] [Accepted: 10/18/2022] [Indexed: 01/13/2023]
Abstract
Loss of oral tolerance (OT) to food antigens results in food allergies. One component of achieving OT is the symbiotic microorganisms living in the gut (microbiota). The composition of the microbiota can drive either pro-tolerogenic or pro-inflammatory responses against dietary antigens though interactions with the local immune cells within the gut. Products from bacterial fermentation, such as butyrate, are one of the main communication molecules involved in this interaction, however, this is released by a subset of bacterial species. Thus, strategies to specifically expand these bacteria with protolerogenic properties have been explored to complement oral immunotherapy in food allergy. These approaches either provide digestible biomolecules to induce beneficial bacteria species (prebiotics) or the direct administration of live bacteria species (probiotics). While this combined therapy has shown positive outcomes in clinical trials for cow's milk allergy, more research is needed to determine if this therapy can be extended to other food allergens.
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Affiliation(s)
- Miguel Gonzalez-Visiedo
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Michael D Kulis
- Department of Pediatrics, Division of Allergy and Immunology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - David M Markusic
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA.
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Kelleher MM, Phillips R, Brown SJ, Cro S, Cornelius V, Carlsen KCL, Skjerven HO, Rehbinder EM, Lowe AJ, Dissanayake E, Shimojo N, Yonezawa K, Ohya Y, Yamamoto-Hanada K, Morita K, Axon E, Cork M, Cooke A, Van Vogt E, Schmitt J, Weidinger S, McClanahan D, Simpson E, Duley L, Askie LM, Williams HC, Boyle RJ. Skin care interventions in infants for preventing eczema and food allergy. Cochrane Database Syst Rev 2022; 11:CD013534. [PMID: 36373988 PMCID: PMC9661877 DOI: 10.1002/14651858.cd013534.pub3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Eczema and food allergy are common health conditions that usually begin in early childhood and often occur in the same people. They can be associated with an impaired skin barrier in early infancy. It is unclear whether trying to prevent or reverse an impaired skin barrier soon after birth is effective for preventing eczema or food allergy. OBJECTIVES Primary objective To assess the effects of skin care interventions such as emollients for primary prevention of eczema and food allergy in infants. Secondary objective To identify features of study populations such as age, hereditary risk, and adherence to interventions that are associated with the greatest treatment benefit or harm for both eczema and food allergy. SEARCH METHODS We performed an updated search of the Cochrane Skin Specialised Register, CENTRAL, MEDLINE, and Embase in September 2021. We searched two trials registers in July 2021. We checked the reference lists of included studies and relevant systematic reviews, and scanned conference proceedings to identify further references to relevant randomised controlled trials (RCTs). SELECTION CRITERIA: We included RCTs of skin care interventions that could potentially enhance skin barrier function, reduce dryness, or reduce subclinical inflammation in healthy term (> 37 weeks) infants (≤ 12 months) without pre-existing eczema, food allergy, or other skin condition. Eligible comparisons were standard care in the locality or no treatment. Types of skin care interventions could include moisturisers/emollients; bathing products; advice regarding reducing soap exposure and bathing frequency; and use of water softeners. No minimum follow-up was required. DATA COLLECTION AND ANALYSIS This is a prospective individual participant data (IPD) meta-analysis. We used standard Cochrane methodological procedures, and primary analyses used the IPD dataset. Primary outcomes were cumulative incidence of eczema and cumulative incidence of immunoglobulin (Ig)E-mediated food allergy by one to three years, both measured at the closest available time point to two years. Secondary outcomes included adverse events during the intervention period; eczema severity (clinician-assessed); parent report of eczema severity; time to onset of eczema; parent report of immediate food allergy; and allergic sensitisation to food or inhalant allergen. MAIN RESULTS We identified 33 RCTs comprising 25,827 participants. Of these, 17 studies randomising 5823 participants reported information on one or more outcomes specified in this review. We included 11 studies, randomising 5217 participants, in one or more meta-analyses (range 2 to 9 studies per individual meta-analysis), with 10 of these studies providing IPD; the remaining 6 studies were included in the narrative results only. Most studies were conducted at children's hospitals. Twenty-five studies, including all those contributing data to meta-analyses, randomised newborns up to age three weeks to receive a skin care intervention or standard infant skin care. Eight of the 11 studies contributing to meta-analyses recruited infants at high risk of developing eczema or food allergy, although the definition of high risk varied between studies. Durations of intervention and follow-up ranged from 24 hours to three years. All interventions were compared against no skin care intervention or local standard care. Of the 17 studies that reported information on our prespecified outcomes, 13 assessed emollients. We assessed most of the evidence in the review as low certainty and had some concerns about risk of bias. A rating of some concerns was most often due to lack of blinding of outcome assessors or significant missing data, which could have impacted outcome measurement but was judged unlikely to have done so. We assessed the evidence for the primary food allergy outcome as high risk of bias due to the inclusion of only one trial, where findings varied based on different assumptions about missing data. Skin care interventions during infancy probably do not change the risk of eczema by one to three years of age (risk ratio (RR) 1.03, 95% confidence interval (CI) 0.81 to 1.31; risk difference 5 more cases per 1000 infants, 95% CI 28 less to 47 more; moderate-certainty evidence; 3075 participants, 7 trials) or time to onset of eczema (hazard ratio 0.86, 95% CI 0.65 to 1.14; moderate-certainty evidence; 3349 participants, 9 trials). Skin care interventions during infancy may increase the risk of IgE-mediated food allergy by one to three years of age (RR 2.53, 95% CI 0.99 to 6.49; low-certainty evidence; 976 participants, 1 trial) but may not change risk of allergic sensitisation to a food allergen by age one to three years (RR 1.05, 95% CI 0.64 to 1.71; low-certainty evidence; 1794 participants, 3 trials). Skin care interventions during infancy may slightly increase risk of parent report of immediate reaction to a common food allergen at two years (RR 1.27, 95% CI 1.00 to 1.61; low-certainty evidence; 1171 participants, 1 trial); however, this was only seen for cow's milk, and may be unreliable due to over-reporting of milk allergy in infants. Skin care interventions during infancy probably increase risk of skin infection over the intervention period (RR 1.33, 95% CI 1.01 to 1.75; risk difference 17 more cases per 1000 infants, 95% CI one more to 38 more; moderate-certainty evidence; 2728 participants, 6 trials) and may increase the risk of infant slippage over the intervention period (RR 1.42, 95% CI 0.67 to 2.99; low-certainty evidence; 2538 participants, 4 trials) and stinging/allergic reactions to moisturisers (RR 2.24, 95% 0.67 to 7.43; low-certainty evidence; 343 participants, 4 trials), although CIs for slippages and stinging/allergic reactions were wide and include the possibility of no effect or reduced risk. Preplanned subgroup analyses showed that the effects of interventions were not influenced by age, duration of intervention, hereditary risk, filaggrin (FLG) mutation, chromosome 11 intergenic variant rs2212434, or classification of intervention type for risk of developing eczema. We could not evaluate these effects on risk of food allergy. Evidence was insufficient to show whether adherence to interventions influenced the relationship between skin care interventions and eczema or food allergy development. AUTHORS' CONCLUSIONS Based on low- to moderate-certainty evidence, skin care interventions such as emollients during the first year of life in healthy infants are probably not effective for preventing eczema; may increase risk of food allergy; and probably increase risk of skin infection. Further study is needed to understand whether different approaches to infant skin care might prevent eczema or food allergy.
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Affiliation(s)
- Maeve M Kelleher
- National Heart & Lung Institute, Section of Inflammation and Repair, Imperial College London, London, UK
| | - Rachel Phillips
- Imperial Clinical Trials Unit, Imperial College London, London, UK
| | - Sara J Brown
- Centre for Genomic and Experimental Medicine, University of Edinburgh, Edinburgh, UK
| | - Suzie Cro
- Imperial Clinical Trials Unit, Imperial College London, London, UK
| | | | - Karin C Lødrup Carlsen
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Håvard O Skjerven
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Eva M Rehbinder
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Dermatology, Oslo University Hospital, Oslo, Norway
| | - Adrian J Lowe
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - Eishika Dissanayake
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Naoki Shimojo
- Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
| | - Kaori Yonezawa
- Department of Midwifery and Women's Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yukihiro Ohya
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan
| | | | - Kumiko Morita
- Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
| | - Emma Axon
- Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK
| | - Michael Cork
- Sheffield Dermatology Research, Department of Infection, Immunity & Cardiovascular Disease, The University of Sheffield, Sheffield, UK
| | - Alison Cooke
- Division of Nursing, Midwifery and Social Work, School of Health Sciences, The University of Manchester, Manchester, UK
| | - Eleanor Van Vogt
- Imperial Clinical Trials Unit, Imperial College London, London, UK
| | - Jochen Schmitt
- Center for Evidence-Based Healthcare, Faculty of Medicine Carl Gustav Carus, Technischen Universität (TU) Dresden, Dresden, Germany
| | - Stephan Weidinger
- Department of Dermatology and Allergy, University Hospital Scheswig-Holstein, Kiel, Germany
| | - Danielle McClanahan
- Department of Dermatology, Oregon Health & Science University, Portland, Oregon, USA
| | - Eric Simpson
- Department of Dermatology, Oregon Health & Science University, Portland, Oregon, USA
| | - Lelia Duley
- Nottingham Clinical Trials Unit, University of Nottingham, Nottingham, UK
| | - Lisa M Askie
- NHMRC Clinical Trials Centre, University of Sydney, Camperdown, Australia
| | - Hywel C Williams
- Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK
| | - Robert J Boyle
- National Heart & Lung Institute, Section of Inflammation and Repair, Imperial College London, London, UK
- Cochrane Skin, Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK
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Kostecka M, Kostecka-Jarecka J, Kostecka J, Iłowiecka K, Kolasa K, Gutowska G, Sawic M. Parental Knowledge about Allergies and Problems with an Elimination Diet in Children Aged 3 to 6 Years. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9111693. [PMID: 36360421 PMCID: PMC9689114 DOI: 10.3390/children9111693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/30/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
Allergic diseases are highly prevalent, and they can exert a significant influence on the patients’ physical and mental well-being, thus affecting the quality of their lives and society as a whole. The aim of this study was to evaluate parental knowledge about allergens, allergy symptoms, and treatment of allergies, and to identify problems with adherence to an elimination diet and the underlying difficulties. Twelve kindergartens and the parents of 1350 preschoolers took part in the first stage of the study. In a screening trial, allergies were diagnosed in 197 children, and their parents participated in the second stage of the study. The child’s age at the onset of the first symptoms was significantly correlated with allergy type. Age was significantly correlated with selected symptoms of an allergic reaction, and skin allergies were more prevalent in younger children. Erythema, skin reddening, and urticaria occurred more frequently in children aged 3−4 years (OR 1.45; 95%CI 1.24−1.77, p < 0.05) and were diagnosed in skin tests (OR 1.36; 95%CI 1.22−1.59, p < 0.05). Allergies to numerous food items were associated with a long-term elimination diet (OR 1.89; 95%CI 1.33−2.19, p < 0.01), as well as problems with preparing safe meals, shopping for food, or dietary adherence when eating out. According to the respondents, lack of support from other family members and compliance with dietary restrictions in kindergartens and when eating out posed the greatest barriers to dietary adherence. Parents do not have sufficient knowledge about environmental allergens and effective strategies for coping with acute allergic reactions, including anaphylactic shock. Children with diagnosed food allergies should enjoy a similar quality of life to their healthy peers, which is why the parents should be educated about diet therapy, duration of treatment, and safe food substitutes.
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Affiliation(s)
- Malgorzata Kostecka
- Faculty of Food Science and Biotechnology, University of Life Sciences, Akademicka 15, 20-950 Lublin, Poland
- Correspondence: ; Tel.: +48-814-456-846
| | | | - Julianna Kostecka
- Faculty of Medicine, Medical University of Lublin, Chodźki 19, 20-093 Lublin, Poland
| | - Katarzyna Iłowiecka
- Department of Food and Nutrition, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Katarzyna Kolasa
- Faculty of Food Science and Biotechnology, University of Life Sciences, Akademicka 15, 20-950 Lublin, Poland
| | - Gabriela Gutowska
- Faculty of Food Science and Biotechnology, University of Life Sciences, Akademicka 15, 20-950 Lublin, Poland
| | - Magdalena Sawic
- Faculty of Food Science and Biotechnology, University of Life Sciences, Akademicka 15, 20-950 Lublin, Poland
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Hultquist H, Dyer A, Jiang J, Gupta R, Warren C. Phenotypic characterization of childhood- and adult-onset food allergy among adults in the United States. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. GLOBAL 2022; 1:257-264. [PMID: 36425303 PMCID: PMC9683432 DOI: 10.1016/j.jacig.2022.05.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 11/27/2022]
Abstract
Background Food allergy (FA) affects ~10% of adults; however, little is known about the extent to which FA phenotypes and psychosocial burden vary depending on timing of allergy onset, whether in childhood or as an adult. Objective This study explored FA characteristics according to timing of FA onset in US adults. Methods Between 2015 and 2016, a cross-sectional survey was administered to 40,443 US adults. Complex survey-weighted results were tabulated across key demographic and clinical strata. Linear regression models explored covariate-adjusted variability in FA-related psychosocial burden across 3 groups: (1) adults solely with childhood-onset FA, (2) adults solely with adult-onset FA, and (3) adults with both childhood- and adult-onset FA. Results Adults with both childhood- and adult-onset FAs, compared to adults with solely childhood- or adult-onset FAs, are significantly more likely to have severe FAs (57.3%, 52.6%, 43.2%), physician-diagnosed FAs (54.2%, 52.4%, 33.0%), and multiple FAs (74.8%, 41.0%, 30.3%) (P < .001). Adults solely with childhood-onset FA, compared to adults solely with adult-onset FA, had significantly lower rates of environmental allergies (27.6% vs 39.2%; P < .001) and medication allergies (17.3% vs 25.9%; P < .001). Adults with both childhood- and adult-onset FAs reported highest rates of all comorbidities. Adults solely with adult-onset FA reported significantly lower FA-related psychosocial burden (P < .05). Conclusion Differences exist in reaction severity, health care utilization, atopic comorbidities, and psychosocial burden according to the timing of FA onset. Future research exploring the heterogeneity of phenotypic expressions of adult FA may inform underlying mechanisms.
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Affiliation(s)
- Haley Hultquist
- Center for Food Allergy and Asthma Research, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Ashley Dyer
- Center for Food Allergy and Asthma Research, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Jialing Jiang
- Center for Food Allergy and Asthma Research, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Ruchi Gupta
- Center for Food Allergy and Asthma Research, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
- Ann & Robert H. Lurie Children’s Hospital, Chicago, Ill
| | - Christopher Warren
- Center for Food Allergy and Asthma Research, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
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Gonzalez-Visiedo M, Li X, Munoz-Melero M, Kulis MD, Daniell H, Markusic DM. Single-dose AAV vector gene immunotherapy to treat food allergy. Mol Ther Methods Clin Dev 2022; 26:309-322. [PMID: 35990748 PMCID: PMC9361215 DOI: 10.1016/j.omtm.2022.07.008] [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: 01/25/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022]
Abstract
Immunotherapies for patients with food allergy have shown some success in limiting allergic responses. However, these approaches require lengthy protocols with repeated allergen dosing and patients can relapse following discontinuation of treatment. The purpose of this study was to test if a single dose of an adeno-associated virus (AAV) vector can safely prevent and treat egg allergy in a mouse model. AAV vectors expressing ovalbumin (OVA) under an ubiquitous or liver-specific promoter were injected prior to or after epicutaneous sensitization with OVA. Mice treated with either AAV8-OVA vector were completely protected from allergy sensitization. These animals had a significant reduction in anaphylaxis mediated by a reduction in OVA-specific IgE titers. In mice with established OVA allergy, allergic responses were mitigated only in mice treated with an AAV8-OVA vector expressing OVA from an ubiquitous promoter. In conclusion, an AAV vector with a liver-specific promoter was more effective for allergy prevention, but higher OVA levels were necessary for reducing symptoms in preexisting allergy. Overall, our AAV gene immunotherapy resulted in an expansion of OVA-specific FoxP3+ CD4+ T cells, an increase in the regulatory cytokine IL-10, and a reduction in the IgE promoting cytokine IL-13.
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Affiliation(s)
- Miguel Gonzalez-Visiedo
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 West Walnut Street, R4-155, Indianapolis, IN 46202, USA
| | - Xin Li
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 West Walnut Street, R4-155, Indianapolis, IN 46202, USA
| | - Maite Munoz-Melero
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 West Walnut Street, R4-155, Indianapolis, IN 46202, USA
| | - Michael D Kulis
- Department of Pediatrics, Division of Allergy and Immunology, School of Medicine, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
| | - Henry Daniell
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - David M Markusic
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 West Walnut Street, R4-155, Indianapolis, IN 46202, USA
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Yamada Y, Yokooji T, Kunimoto K, Inoguchi K, Ogino R, Taogoshi T, Morita E, Matsuo H. Hypoallergenic Wheat Line (1BS-18H) Lacking ω5-Gliadin Induces Oral Tolerance to Wheat Gluten Proteins in a Rat Model of Wheat Allergy. Foods 2022; 11:foods11152181. [PMID: 35892765 PMCID: PMC9329752 DOI: 10.3390/foods11152181] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/13/2022] [Accepted: 07/19/2022] [Indexed: 12/10/2022] Open
Abstract
The early ingestion of food can prevent the onset of food allergy related to inducing oral tolerance (OT). We developed the Hokushin wheat line as a hypoallergenic wheat (1BS-18H) lacking ω5-gliadin, a major allergen of wheat-dependent exercise-induced anaphylaxis (WDEIA). The 1BS-18H wheat had lower ability of sensitization for ω5-gliadin compared with Hokushin wheat. Here, we evaluated the induction of OT to gluten and ω5-gliadin by the early consecutive ingestion of 1BS-18H gluten using a rat model of wheat allergy. Rats were subcutaneously immunized with commercial gluten or native ω5-gliadin following the daily oral administration of gluten. The daily oral administration of 1BS-18H gluten for 5 days before immunization suppressed the increase in gluten- or ω5-gliadin-specific IgE and IgG1 antibodies induced by immunization to a level similar to Hokushin gluten. Intravenous challenge with gluten or ω5-gliadin did not decrease the rectal temperature in rats with OT induced by 1BS-18H or Hokushin gluten, although it was decreased in non-OT rats. In conclusion, the early consecutive ingestion of 1BS-18H wheat before sensitization induced OT to gluten and ω5-gliadin. These findings support the benefit of 1BS-18H wheat to prevent wheat allergy including WDEIA by consecutive ingestion in humans.
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Affiliation(s)
- Yukinori Yamada
- Department of Pharmaceutical Services, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan; (Y.Y.); (K.K.); (K.I.); (T.T.); (H.M.)
| | - Tomoharu Yokooji
- Department of Pharmaceutical Services, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan; (Y.Y.); (K.K.); (K.I.); (T.T.); (H.M.)
- Department of Frontier Science for Pharmacotherapy, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan;
- Correspondence: ; Tel.: +81-82-257-5295
| | - Kyohei Kunimoto
- Department of Pharmaceutical Services, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan; (Y.Y.); (K.K.); (K.I.); (T.T.); (H.M.)
| | - Koki Inoguchi
- Department of Pharmaceutical Services, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan; (Y.Y.); (K.K.); (K.I.); (T.T.); (H.M.)
| | - Ryohei Ogino
- Department of Frontier Science for Pharmacotherapy, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan;
| | - Takanori Taogoshi
- Department of Pharmaceutical Services, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan; (Y.Y.); (K.K.); (K.I.); (T.T.); (H.M.)
| | - Eishin Morita
- Department of Dermatology, Faculty of Medicine, Shimane University, Izumo 693-8501, Japan;
| | - Hiroaki Matsuo
- Department of Pharmaceutical Services, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8551, Japan; (Y.Y.); (K.K.); (K.I.); (T.T.); (H.M.)
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Eating Competence and Aspects Related to a Gluten-Free Diet in Brazilian Adults with Gluten-Related Disorders. Nutrients 2022; 14:nu14142815. [PMID: 35889773 PMCID: PMC9319171 DOI: 10.3390/nu14142815] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/03/2022] [Accepted: 07/06/2022] [Indexed: 01/27/2023] Open
Abstract
This cross-sectional study aims to assess eating competence (EC—an intra-individual approach to food, behaviors, and attitudes related to food) and aspects related to a gluten-free diet (GFD) in Brazilian adults with gluten-related disorders (GRDs). The research was conducted using an online survey with a self-reported instrument consisting of 40 items, organized into three parts: (I) Socioeconomic and demographic data; (II) the Brazilian version of the Eating Competence Satter Inventory (ec-SI2.0™BR); and (III) questions about adherence and difficulties in following the gluten-free diet. EC was measured by the ecSI2.0™BR instrument, with scores ≥32 were considered competent eaters. The instrument was applied nationwide through the GoogleForms® platform from 14 February 2022 to 30 March 2022. The publicity for the recruitment was supported by Brazilian celiac local and national associations (Acelbras and Fenacelbra), pages of food services or personal pages of tips and posts about gluten-related disorders, and specialized stores that offer gluten-free foods. The recruitment occurred through social networks (emails, Facebook groups, WhatsApp, and Instagram). A total of 1030 Brazilians with GRDs answered the questionnaire. Most participants were female, aged 40 years or older, with an income >R$3000, and a high education level. The main difficulty regarding adherence to GFD was the high cost of gluten-free foods. Individuals younger than 40 years old had lower EC scores, with no differences between men and women. Increasing socioeconomic status, schooling, and culinary practices increased the total score. Participants who “never/almost never” felt socially judged because their diet had higher scores for total EC. Competent eaters GRD individuals (EC ≥ 32) were mostly individuals aged ≥40 y/o; with income > R$3000; following a GFD; satisfied with purchased gluten-free products; consuming gluten-free products prepared at home, mainly by themselves; who do not feel judged because of the GRD and who feel that they can live a normal life with GRD. Our study showed that individuals who strictly adhere to the GFD have higher scores on eating competence than those who sometimes follow the treatment.
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Protudjer JLP, Venter C, Groetch M, Frykas TLM, Lidington J, Kim H. The need for a food allergy educator program for allied healthcare professionals in Canada. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2022; 18:62. [PMID: 35799220 PMCID: PMC9261880 DOI: 10.1186/s13223-022-00701-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 06/21/2022] [Indexed: 11/24/2022]
Abstract
Owing to a collaborative approach to patient care, and a paucity of allergists in Canada, there is a need to develop a food allergy educational program for allied health care professionals in Canada. Such programs already exist in the United States and Britain. Herein, we describe the outcomes of recent conference proceedings to inform the educational needs for such a program. As part of the 76th Annual Meeting of the Canadian Society of Allergy and Clinical Immunology (CSACI), held virtually due to the COVID-19 pandemic, we hosted a virtual workshop on the need for a food allergy educator program for Canadian allied health professionals. This workshop was co-developed with the CSACI and an industry partner, and featured allergy specialist dietitians. Attendance was open to all conference delegates, and to allied health professionals. As part of the registration process, registrants posed diverse food allergy-related questions, ranging from how to use an epinephrine autoinjector, to daily management and, how to cure food allergy. A national food allergy educator program will empower both allergy and non-allergy specialist healthcare professionals to appropriately counsel patients. This virtually-delivered program will begin to close a gap in healthcare access resulting from the geographic size of Canada, as it will enhance allied healthcare providers' confidence to provide evidence-based food allergy care appropriately for those with food allergy.
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Affiliation(s)
- Jennifer L P Protudjer
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada.
- Canadian Society of Allergy and Clinical Immunology, Orleans, ON, Canada.
- Department of Pediatrics and Child Health, University of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, R3E 3P4, Canada.
- The Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, R3E 3P4, Canada.
- George and Fay Yee Centre for Healthcare Innovation, Winnipeg, MB, Canada.
- Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden.
| | - Carina Venter
- Children's Hospital Colorado, University of Colorado, Denver, CO, USA
| | - Marion Groetch
- Division of Pediatric Allergy & Immunology, Icahn School of Medicine at Mount Sinai, Jaffe Food Allergy Institute, New York, USA
| | - Tara Lynn Mary Frykas
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada
- The Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, R3E 3P4, Canada
| | - Jasmin Lidington
- Canadian Society of Allergy and Clinical Immunology, Orleans, ON, Canada
| | - Harold Kim
- Canadian Society of Allergy and Clinical Immunology, Orleans, ON, Canada
- Faculty of Medicine, University of Western Ontario, London, ON, Canada
- Department of Medicine, McMaster University, Hamilton, ON, Canada
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63
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Engel ML, Rich SK, Warren CM, Gupta RS. Psychosocial needs of adolescents with food allergies registering for a national online social program. Ann Allergy Asthma Immunol 2022; 129:122-124. [PMID: 35436621 DOI: 10.1016/j.anai.2022.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 10/18/2022]
Affiliation(s)
- Melissa L Engel
- Department of Psychology, Emory University, Atlanta, Georgia.
| | - Sabra K Rich
- Department of Psychology, Emory University, Atlanta, Georgia
| | - Christopher M Warren
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Ruchi S Gupta
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois; Advanced General Pediatrics and Primary Care, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
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Abstract
Cow's milk allergy (CMA) is a common childhood food allergy associated with a significant burden for those children who are affected and their families, including unintentional exposures that result in allergic reactions, severe allergic reactions, and anaphylaxis. In young children, cow's milk is one of the most frequent food triggers in anaphylactic episodes, and fatalities have also been described as a result of unintentional exposures, which reinforces the notion that milk allergy can be severe in some individuals. The natural history of CMA is favorable, with the allergy resolving over time in the majority of individuals, although some will have persistent allergy that does not resolve. The standard management approach for CMA consists of strict avoidance of milk and carriage of emergency medication for use in accidental exposures. Recently, a novel approach has emerged as an alternative option for management in patients with CMA in the form of oral immunotherapy (OIT). The aim of milk OIT is to protect patients from accidental exposures to milk-containing foods and allow patients to introduce larger amounts of milk into their diet. The goal of this article was to review the available evidence, discuss key studies that focused on milk OIT, and provide practical information and useful tips related to this novel treatment.
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Affiliation(s)
- Aikaterini Anagnostou
- From the Section of Immunology, Allergy and Retrovirology, Department of Pediatrics, Children’s Hospital, Houston, Texas; and
- Section of Immunology, Allergy and Retrovirology, Pediatrics, Baylor College of Medicine, Houston, Texas
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65
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Hubbard GP, Atwal K, Graham L, Narayanan S, Cooke L, Casewell C, Denton SA, Gavin J, Browne RM, Kinnear FJ, McHardy AJ, Evans D, Vallis R, Venkataraman D, Cawood AL, Donohoe S, Steele V, Armstrong S, Stratton RJ. Synbiotic containing extensively hydrolyzed formula improves gastrointestinal and atopic symptom severity, growth, caregiver quality of life, and hospital-related healthcare use in infants with cow's milk allergy. Immun Inflamm Dis 2022; 10:e636. [PMID: 35634950 PMCID: PMC9119008 DOI: 10.1002/iid3.636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/28/2022] [Accepted: 05/01/2022] [Indexed: 12/13/2022] Open
Abstract
Background Healthy gut microbiota is important for prognosis in cow's milk allergy (CMA). The application of synbiotics (specific pre‐ and probiotics) in extensively hydrolyzed formulae (eHFs) is a relatively new concept. Aims To evaluate a synbiotic‐containing, whey‐based eHF (SeHF) with galacto‐oligosaccharides, fructo‐oligosaccharides, and bifidobacterium breve M‐16V in infants with CMA. Materials and Methods A 31‐day one‐arm pilot study in 29 infants with CMA (mean age 30.8 weeks [SD 11]) was undertaken, with outcomes including gastrointestinal tolerance, atopic dermatitis symptoms, dietary intake, growth, SeHF acceptability, caregiver quality of life, and hospital‐related healthcare use. Results Significant improvements (p < .05) in the severity of abdominal pain (in 57%), burping (in 46%), flatulence (in 79%), constipation (in 14%), rhinitis (41%), and itchy eyes (73%), as well as atopic dermatitis in those with severe baseline symptoms (PO‐SCORAD© reduction: 34.7–18.2 (p = .003), n = 6) were observed over time. Growth and caregiver quality of life scores significantly increased (+26.7%, p < .05) over time. Hospital visits and medications significantly reduced (−1.61 and −2.23, respectively, p < .005) in the 6 months after SeHF initiation. Discussion In this small, single‐arm, pilot study, the use of SeHF enhanced the management of infants with non‐IgE mediated CMA who were already established on eHF. Conclusion: Whilst this study adds to the evidence base for the use of SeHF in CMA, further robust research to explore the longer‐term benefits of synbiotics, specifically the blend used in this study, for the clinical management of infants with CMA is warranted.
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Affiliation(s)
| | | | - Lynne Graham
- West Hertfordshire Hospitals NHS Trust, Watford, UK
| | | | - Lisa Cooke
- Bristol Royal Hospital for Children, Bristol, UK
| | | | - Sally-Ann Denton
- University Hospitals Southampton NHS Foundation Trust, Southampton, UK
| | - Joan Gavin
- University Hospitals Southampton NHS Foundation Trust, Southampton, UK
| | | | | | - Ailsa J McHardy
- University Hospitals Southampton NHS Foundation Trust, Southampton, UK
| | - Debbie Evans
- Royal Surrey NHS Foundation Trust, Guildford, UK
| | | | | | | | - Sarah Donohoe
- James Cook Hospital, South Tees Hospitals NHS Foundation Trust, Middlesbrough, UK
| | - Victoria Steele
- James Cook Hospital, South Tees Hospitals NHS Foundation Trust, Middlesbrough, UK
| | - Sonia Armstrong
- James Cook Hospital, South Tees Hospitals NHS Foundation Trust, Middlesbrough, UK
| | - Rebecca J Stratton
- Nutricia Ltd, Trowbridge, UK.,Faculty of Medicine, University of Southampton, Southampton, UK
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66
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Knibb RC, Huissoon AP, Baretto R, Ekbote A, Onyango-Odera S, Screti C, Newman KL, Krishna MT. Development and Validation of the Anaphylaxis Quality of Life Scale for Adults. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1527-1533.e3. [PMID: 35259537 DOI: 10.1016/j.jaip.2022.02.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/17/2022] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Anaphylaxis is a severe and potentially life-threatening allergic reaction that can have a detrimental impact on quality of life (QoL). There are no validated scales to measure the impact of anaphylaxis on QoL of adults. OBJECTIVE The aim of this study was to develop and assess the reliability and validity of a QoL scale for adults with anaphylaxis (Anaphylaxis Quality of Life Scale for Adults [A-QoL-Adults]). METHODS All participants were recruited from a specialist allergy clinic and had a confirmed diagnosis of anaphylaxis (as per the World Allergy Organization diagnostic criteria) to food, drugs, venom, or latex or had spontaneous anaphylaxis. Interviews were conducted with 13 adults; data were analyzed using thematic analysis to extract items for a QoL scale. A prototype QoL scale was then completed by 115 participants alongside validated scales to measure generic QoL (World Health Organization Quality of Life Scale [Brief Version] [WHOQoL BREF]), anxiety and depression (Hospital Anxiety and Depression Scale [HADS]), and stress (Perceived Stress Scale [PSS]). RESULTS The A-QoL-Adults scale has 21 items demonstrating excellent internal reliability (Cronbach α = 0.96). Factor analysis produced 3 subscales: Emotional Impact; Social Impact; and Limitations on Life. Each has excellent internal reliability (0.92, 0.92, and 0.91, respectively). Poorer anaphylaxis-related QoL (total A-QoL-Adults score and subscale scores) correlated significantly with poorer general QoL and greater anxiety, depression, and stress (all P < .01 with medium-to-large effect sizes). CONCLUSIONS The A-QoL-Adults scale is a reliable measure of QoL in adults with anaphylaxis and shows good construct validity. It will offer health care professionals a means to further understand the impact of anaphylaxis on adult patients and could help direct and monitor allergy management and the need for further psychological intervention.
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Affiliation(s)
- Rebecca C Knibb
- School of Psychology, College of Health and Life Sciences, Aston University, Birmingham, UK.
| | - Aarnoud P Huissoon
- Department of Allergy and Immunology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Richard Baretto
- Department of Allergy and Immunology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Anjali Ekbote
- Department of Allergy and Immunology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Sham Onyango-Odera
- Research and Development, Heartlands Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Cassandra Screti
- School of Psychology, College of Health and Life Sciences, Aston University, Birmingham, UK
| | - Kristina L Newman
- School of Psychology, Nottingham Trent University, Nottingham, United Kingdom
| | - Mamidipudi T Krishna
- Department of Allergy and Immunology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom; Institute of Immunology & Immunotherapy, University of Birmingham, Birmingham, United Kingdom
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67
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Labrosse R, Graham F, Caubet JC. Recent advances in the diagnosis and management of tree nut and seed allergy. Curr Opin Allergy Clin Immunol 2022; 22:194-201. [DOI: 10.1097/aci.0000000000000826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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68
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Proctor KB, Tison K, Estrem H, Park J, Scahill L, Vickery BP, Sharp WG. A systematic review of parent report measures assessing the psychosocial impact of food allergy on patients and families. Allergy 2022; 77:1347-1359. [PMID: 34647344 DOI: 10.1111/all.15140] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/10/2021] [Accepted: 10/10/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Reducing the psychosocial impact of food allergy (FA) represents a top patient-centered research priority. This priority recognizes that psychosocial impact is an important outcome of current FA therapies (eg, oral immunotherapy), as well as interventions aimed at improving overall quality of life and illness adaptation. Reliable and valid measurement is a necessary prerequisite to developing and evaluating current and emerging FA therapies and potential changes in psychosocial impact. METHODS In this systematic review, we applied the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement to evaluate available parent report measures assessing the psychosocial impact of pediatric IgE-mediated FA. RESULTS The systematic search yielded 64 articles involving 13 unique measures. Measures were evaluated through the lens of the Patient Reported Outcomes Measurement Information System (PROMIS) guidelines. Findings indicated that available measures show some evidence of reliability and validity; however, none completely adhere to PROMIS guidelines for measure development. CONCLUSION Results highlight a continued need to dedicate research to develop a measurement approach that assesses the full range of psychosocial impact that parents and families may experience as a result of FA, as well as serve as a research outcome as the field continues to develop effective treatments, including immunotherapy.
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Affiliation(s)
| | | | - Hayley Estrem
- University of North Carolina Wilmington Wilmington NC USA
| | | | - Lawrence Scahill
- Children’s Healthcare of Atlanta Atlanta GA USA
- Emory University Atlanta GA USA
| | - Brian P. Vickery
- Children’s Healthcare of Atlanta Atlanta GA USA
- Emory University Atlanta GA USA
| | - William G. Sharp
- Children’s Healthcare of Atlanta Atlanta GA USA
- Emory University Atlanta GA USA
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69
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Newman KL, Chater A, Knibb RC. Beliefs about food allergies in adolescents aged 11-19 years: A systematic review. Clin Transl Allergy 2022; 12:e12142. [PMID: 35414890 PMCID: PMC8984676 DOI: 10.1002/clt2.12142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/10/2022] [Accepted: 03/18/2022] [Indexed: 11/20/2022] Open
Abstract
Aims Research suggests of people with food allergy (FA), adolescents have the highest risk of fatal allergic reactions to food, yet understanding of this population and how they manage their condition is limited. Understanding beliefs and how they affect behaviour could inform ways to reduce risk taking behaviour and fatal reactions in adolescents. This systematic review aimed to explore beliefs adolescents hold about their FA, and how these may be associated with FA management. Demographics Adolescents aged 11-19 years with FA. Methodology A systematic search of seven databases was conducted. Papers of any design were included that reported on the beliefs about FA in adolescents aged 11-19 years. Data was systemised by narrative thematic analysis. Findings 20 studies were included. Themes included navigating FA in different environments, carriage and use of adrenaline auto-injectors, management of the risk of anaphylaxis, behaviour and understanding of others, and food-allergic identity. Implications Adolescents with FA hold a variety of condition beliefs; some beliefs were related to behaviour that could lead to an allergic reaction, while other beliefs were related to protective behaviours. Further research into understanding adolescent beliefs in order to inform clinical management and reduce the risk of potential fatal reactions is essential.
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Affiliation(s)
- Kristina L. Newman
- Psychology DepartmentSchool of Life and Health SciencesAston UniversityBirminghamUK
- Department of PsychologySchool of Social SciencesNottingham Trent UniversityNottinghamUK
| | - Angel Chater
- Department for Sport Science and Physical ActivityUniversity of BedfordshireBedfordUK
| | - Rebecca C. Knibb
- Psychology DepartmentSchool of Life and Health SciencesAston UniversityBirminghamUK
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70
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Wilton EP, Luke AK, Gladstone TR, Lahoud AA, Biscarri Clark SD, Flessner CA. Psychometric Properties of a Measure Assessing Anxiogenic Parenting Practices in Food Allergy. J Pediatr Psychol 2022; 47:769-784. [DOI: 10.1093/jpepsy/jsac016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 02/15/2022] [Accepted: 02/15/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Aim
Pediatric food allergy represents a significant public health burden. In order to avoid allergen consumption, adequate management requires daily vigilance and involvement from parents, frequently leading to increased parental anxiety. While specific anxiogenic parenting practices (i.e., parenting behaviors which may aid in the development and/or exacerbation of childhood anxiety) have been documented within this population, to this point, these behaviors have not been systematically measured.
Objectives
The current study aimed to develop and examine a parent-report scale designed to measure anxiogenic parenting behaviors related to food allergy.
Methods
Participants included 177 parents of children with food allergy recruited online using Amazon Mechanical Turk (mTurk). An exploratory factor analysis was conducted to determine the factor structure of the newly developed scale. Subsequently, psychometric properties (e.g., construct validity) were examined via correlational analyses.
Results
Results indicated a 24-item, 3 factor (Factor 1: Involvement in Food Allergy; Factor 2: Worry about Food Allergy; Factor 3: Autonomy Promotion) scale, which accounted for 53.11% of the total variance. The Kaiser–Meyer–Olkin measure was acceptable, KMO = 0.872 and Bartlett’s test of sphericity indicated sufficient correlations between items (χ2 (378) = 2568.95). All subscales demonstrated strong internal consistency (Involvement in Food Allergy: α = .880; Worry about Food Allergy: α = .892; Autonomy Promotion α = .796) as well as convergent and discriminant validity.
Conclusions
Results support the overall psychometric properties of the scale. Interpretations, limitations, and future directions are discussed.
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Affiliation(s)
- Emily P Wilton
- Department of Psychological Sciences, Kent State University, Kent Hall, Kent, OH, USA
| | | | - Theresa R Gladstone
- Department of Psychological Sciences, Kent State University, Kent Hall, Kent, OH, USA
| | - Ashley A Lahoud
- Department of Psychological Sciences, Kent State University, Kent Hall, Kent, OH, USA
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71
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Tedner SG, Asarnoj A, Thulin H, Westman M, Konradsen JR, Nilsson C. Food allergy and hypersensitivity reactions in children and adults-A review. J Intern Med 2022; 291:283-302. [PMID: 34875122 DOI: 10.1111/joim.13422] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Adverse reactions after food intake are commonly reported and a cause of concern and anxiety that can lead to a very strict diet. The severity of the reaction can vary depending on the type of food and mechanism, and it is not always easy to disentangle different hypersensitivity diagnoses, which sometimes can exist simultaneously. After a carefully taken medical history, hypersensitivity to food can often be ruled out or suspected. The most common type of allergic reaction is immunoglobulin E (IgE)-mediated food allergy (prevalence 5-10%). Symptoms vary from mild itching, stomach pain, and rash to severe anaphylaxis. The definition of IgE-mediated food allergy is allergic symptoms combined with specific IgE-antibodies, and therefore only IgE-antibodies to suspected allergens should be analyzed. Nowadays, methods of molecular allergology can help with the diagnostic process. The most common allergens are milk and egg in infants, peanut and tree nuts in children, and fish and shellfish in adults. In young children, milk/egg allergy has a good chance to remit, making it important to follow up and reintroduce the food when possible. Other diseases triggered by food are non-IgE-mediated food allergy, for example, eosinophilic esophagitis, celiac disease, food protein-induced enterocolitis syndrome, and hypersensitivity to milk and biogenic amines. Some of the food hypersensitivities dominate in childhood, others are more common in adults. Interesting studies are ongoing regarding the possibilities of treating food hypersensitivity, such as through oral immunotherapy. The purpose of this review was to provide an overview of the most common types of food hypersensitivity reactions.
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Affiliation(s)
- Sandra G Tedner
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Pediatric Allergy and Pulmonology Unit at Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Anna Asarnoj
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Pediatric Allergy and Pulmonology Unit at Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Helena Thulin
- Allergy and Lung Department, Sachs' Children and Youth Hospital, Stockholm, Sweden.,Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Marit Westman
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Asthma and Allergy Clinic S:t Göran, Stockholm, Sweden
| | - Jon R Konradsen
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Pediatric Allergy and Pulmonology Unit at Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Caroline Nilsson
- Allergy and Lung Department, Sachs' Children and Youth Hospital, Stockholm, Sweden.,Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
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Golding MA, Batac ALR, Gunnarsson NV, Ahlstedt S, Middelveld R, Protudjer JLP. The burden of food allergy on children and teens: A systematic review. Pediatr Allergy Immunol 2022; 33:e13743. [PMID: 35338731 DOI: 10.1111/pai.13743] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 01/24/2022] [Accepted: 02/03/2022] [Indexed: 12/19/2022]
Abstract
BACKGROUND Over the last two decades, researchers have placed increasing attention on understanding how food allergy affects the health-related quality of life (HRQL) and psychosocial well-being of children and teens. In response, a number of reviews have been published that aim at synthesizing the literature. However, many of these papers focus narrowly on HRQL or suffer from methodological limitations. METHOD The current review aims to fill this gap by providing a comprehensive overview of the burden of pediatric food allergy by synthesizing the quantitative and qualitative literature. RESULTS Findings from the present review provide evidence of reduced HRQL among children and teens with food allergy, particularly older children and those with more severe manifestations of the condition. In comparison to HRQL, the link between food allergy and psychosocial functioning is less clear; however, some evidence can be cited linking food allergy to greater levels of psychological distress. Qualitative evidence suggests that the burden of pediatric food allergy largely stems from worries surrounding exposures outside of the home and the social consequences of the condition. The current review also highlights several gaps in the literature, including a paucity of longitudinal research, research focused on predictors of psychological distress among children and teens with food allergy as well as a dearth of studies comparing rates of bullying in food-allergic and non-food-allergic samples. CONCLUSION More emphasis should be placed on not only alleviating the social and psychological consequences of food allergy, but also on identifying and assisting those most acutely burdened by the condition.
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Affiliation(s)
- Michael A Golding
- Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada.,Department of Pediatrics and Child Health, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Ayel L R Batac
- Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada.,Department of Pediatrics and Child Health, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Nina V Gunnarsson
- Department of Social Work, School of Health and Welfare, Jönköping University, Jönköping, Sweden
| | - Staffan Ahlstedt
- Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden.,Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Roelinde Middelveld
- Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden.,Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jennifer L P Protudjer
- Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada.,Department of Pediatrics and Child Health, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden.,George and Fay Yee Centre for Healthcare Innovation, Winnipeg, Manitoba, Canada.,Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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73
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Loke P, Orsini F, Lozinsky AC, Gold M, O'Sullivan MD, Quinn P, Lloyd M, Ashley SE, Pitkin S, Axelrad C, Metcalfe JR, Su EL, Tey D, Robinson MN, Allen KJ, Prescott SL, Galvin AD, Tang MLK. Probiotic peanut oral immunotherapy versus oral immunotherapy and placebo in children with peanut allergy in Australia (PPOIT-003): a multicentre, randomised, phase 2b trial. THE LANCET. CHILD & ADOLESCENT HEALTH 2022; 6:171-184. [PMID: 35123664 DOI: 10.1016/s2352-4642(22)00006-2] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Oral immunotherapy is effective at inducing desensitisation to allergens and induces sustained unresponsiveness (ie, clinical remission) in a subset of patients, but causes frequent reactions. We aimed to investigate whether addition of a probiotic adjuvant improved the efficacy or safety of peanut oral immunotherapy. METHODS PPOIT-003, a multicentre, randomised, phase 2b trial, was conducted in three tertiary hospitals in Australia (Adelaide [SA], Melbourne [VIC], and Perth [WA]) in children aged 1-10 years, weighing more than 7 kg, with peanut allergy confirmed by a double-blind placebo-controlled food challenge (cumulative 4950 mg dose of peanut protein) and positive peanut skin prick test (≥3 mm) or peanut-specific IgE (≥0·35 kU/L). Children were randomly assigned (2:2:1) to receive probiotic and peanut oral immunotherapy (PPOIT), placebo probiotic and peanut oral immunotherapy (OIT), or placebo probiotic and placebo OIT (placebo) for 18 months, and were followed up until 12 months after completion of treatment. Oral immunotherapy consisted of increasing doses of peanut protein (commercially available food-grade 12% defatted peanut flour [50% peanut protein]) until a 2000 mg daily maintenance dose was reached. The probiotic adjuvant was a daily dose of 2 × 1010 colony-forming units of the probiotic Lactobacillus rhamnosus ATCC 53103. Placebo immunotherapy comprised maltodextrin, brown food colouring, and peanut essence, and placebo probiotic was maltodextrin. Dual primary outcomes were 8-week sustained unresponsiveness, defined as no reaction to a cumulative dose of 4950 mg peanut protein at treatment completion and 8 weeks after treatment completion, in the PPOIT versus placebo groups and the PPOIT versus OIT groups, analysed by intention to treat. Safety endpoints were adverse events during the treatment phase, and peanut ingestion and reactions in the 12-month post-treatment period. This study is registered with the Australian New Zealand Clinical Trials Registry, 12616000322437. FINDINGS Between July 4, 2016, and Sept 21, 2020, 201 participants were enrolled and included in the intention-to-treat analysis. 36 (46%) of 79 children in the PPOIT group and 42 (51%) of 83 children in the OIT group achieved sustained unresponsiveness compared with two (5%) of 39 children in the placebo group (risk difference 40·44% [95% CI 27·46 to 53·42] for PPOIT vs placebo, p<0·0001), with no difference between PPOIT and OIT (-5·03% [-20·40 to 10·34], p=0·52). Treatment-related adverse events were reported in 72 (91%) of 79 children in the PPOIT group, 73 (88%) of 83 children in the OIT group, and 28 (72%) of 39 children in the placebo group. Exposure-adjusted incidence of adverse events was 10·58 in the PPOIT group, 11·36 in the OIT, and 2·09 in the placebo group (ratio 0·92 [95% CI 0·85 to 0·99] for PPOIT vs OIT, p=0·042; 4·98 [4·11-6·03] for PPOIT vs placebo, p<0·0001; 5·42 [4·48-6·56] for OIT vs placebo, p<0·0001), with differences seen primarily in gastrointestinal symptoms and in children aged 1-5 years. During the 12-month post-treatment period, 60 (85%) of 71 participants in the PPOIT group, 60 (86%) of 70 participants in the OIT group, and six (18%) of 34 participants in the placebo group were eating peanut; rescue epinephrine use was infrequent (two [3%] of 71 in the PPOIT group, four [6%] of 70 in the OIT group, and none in the placebo group). INTERPRETATION Both PPOIT and OIT were effective at inducing sustained unresponsiveness. Addition of a probiotic did not improve efficacy of OIT, but might offer a safety benefit compared with OIT alone, particularly in preschool children. FUNDING National Health and Medical Research Council Australia and Prota Therapeutics.
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Affiliation(s)
- Paxton Loke
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia; Monash Children's Hospital, Clayton, VIC, Australia; Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Francesca Orsini
- Murdoch Children's Research Institute, Parkville, VIC, Australia
| | - Adriana C Lozinsky
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia
| | - Michael Gold
- Department of Paediatrics, Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia; Women's and Children's Hospital Adelaide, North Adelaide, SA, Australia
| | - Michael D O'Sullivan
- Immunology Department, Perth Children's Hospital, Child and Adolescent Health Service, Nedlands, WA, Australia; Discipline of Paediatrics, Medical School, The University of Western Australia, Perth, WA, Australia; Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Patrick Quinn
- Department of Paediatrics, Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia; Women's and Children's Hospital Adelaide, North Adelaide, SA, Australia
| | - Melanie Lloyd
- Murdoch Children's Research Institute, Parkville, VIC, Australia; School of Public Health and Preventative Medicine, Monash University, Melbourne, VIC, Australia
| | - Sarah E Ashley
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia; Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Sigrid Pitkin
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Monash Children's Hospital, Clayton, VIC, Australia
| | | | - Jessica R Metcalfe
- Immunology Department, Perth Children's Hospital, Child and Adolescent Health Service, Nedlands, WA, Australia; Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Ee Lyn Su
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia
| | - Dean Tey
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia
| | - Marnie N Robinson
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia
| | - Katrina J Allen
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Susan L Prescott
- Immunology Department, Perth Children's Hospital, Child and Adolescent Health Service, Nedlands, WA, Australia; Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia; NOVA Institute for Health, Baltimore, MD, USA; Department of Family and Community Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Audrey Dunn Galvin
- School of Applied Psychology, Cork University Hospital, University College Cork, Cork, Ireland; Department of Paediatrics and Paediatric Infectious Diseases, Institute of Child's Health, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Mimi L K Tang
- Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, VIC, Australia; Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia.
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74
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Polloni L, Muraro A, Bonaguro R, Toniolo A, Ballin A, Guarnaccia A, Lazzarotto F. Psychological needs and support among patients and families undergoing food oral immunotherapy. Clin Transl Allergy 2022; 12:e12078. [PMID: 35140908 PMCID: PMC8811642 DOI: 10.1002/clt2.12078] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 10/11/2021] [Accepted: 11/03/2021] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Oral immunotherapy (OIT) is a promising treatment for food allergy (FA) however it is a challenging process for patients and parents. Induction can generate stress and anxiety. This may in turn affect their motivation and ability to cope with OIT challenges. OBJECTIVE This study aimed to investigate psychological needs and support to patients/parents undergoing food OIT assessing participants' main characteristics, reasons for seeking psychological support, OIT phase and related psychological difficulties, type and timing of treatments and patients' perception of the effectiveness of the intervention. METHODS This is an observational, retrospective study. 50 psychological interventions required for OIT related problems were selected consecutively in a Referral Centre in North-Eastern Italy. All patients had a medical diagnosis of FA and were undergoing OIT or had just discontinued it. Data were collected from hospital records. A descriptive statistical analysis was performed. RESULTS 66% of patients asked for psychological support for the initial phase (e.g., oral food challenge, first maintenance doses), 20% during the up-dosing phase, 8% during maintenance and 6% after discontinuation. 70% of treatments were required mainly because of emotional problems including dysfunctional anxiety and mood disorders, increased distress and excessive worry and/or fear related to OIT; 20% because of difficulties in managing OIT; 10% because of eating difficulties; 50% of patients reported recent anaphylaxis. All patients reported improvement and felt the psychological intervention was helpful. CONCLUSION It is recommended to evaluate the psychological needs in profiling patients and families suitable to OIT and offer specific psychological support when needed.
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Affiliation(s)
- Laura Polloni
- Department of Women's and Children's HealthFood Allergy Referral Centre, Veneto RegionPadua University HospitalPaduaItaly
- Psychology UnitPadua University HospitalPaduaItaly
| | - Antonella Muraro
- Department of Women's and Children's HealthFood Allergy Referral Centre, Veneto RegionPadua University HospitalPaduaItaly
| | - Roberta Bonaguro
- Department of Women's and Children's HealthFood Allergy Referral Centre, Veneto RegionPadua University HospitalPaduaItaly
| | - Alice Toniolo
- Department of Women's and Children's HealthFood Allergy Referral Centre, Veneto RegionPadua University HospitalPaduaItaly
| | - Anna Ballin
- Department of Women's and Children's HealthFood Allergy Referral Centre, Veneto RegionPadua University HospitalPaduaItaly
| | - Alberto Guarnaccia
- Faculty of Medicine and SurgeryVita‐Salute San Raffaele UniversityMilanItaly
| | - Francesca Lazzarotto
- Department of Women's and Children's HealthFood Allergy Referral Centre, Veneto RegionPadua University HospitalPaduaItaly
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75
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Gomi C, Yokota Y, Yoshida S, Kunugi H. Relationship of food allergy with quality of life and sleep in psychiatric patients. Neuropsychopharmacol Rep 2022; 42:84-91. [PMID: 35090099 PMCID: PMC8919116 DOI: 10.1002/npr2.12231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 12/16/2021] [Accepted: 12/30/2021] [Indexed: 11/10/2022] Open
Abstract
AIM Few studies have examined the relationship between food allergy (FA) and psychiatric disorders. We aimed to examine the possible relationship of FA with quality of life (QOL) and sleep in adult patients with psychiatric disorders. METHODS Of the 812 participants (451 females, mean age: 42.7 ± 11.3 years), 430 had schizophrenia/schizoaffective disorder, 106 had depression, 124 had bipolar disorder, 40 had anxiety disorders, 38 had developmental disorders, and 11 had eating disorders; 63 were other cases. We documented FA and sleep disturbance via a questionnaire. QOL was assessed with the Medical Outcomes Study 8-Item Short-Form Health Survey (SF-8 Japanese version). RESULTS There were 126 patients (15.5%) reporting FA. SF-8 physical component summary (PCS) and mental component summary (MCS) scores were both significantly lower among individuals with FA than those without. Moreover, PCS and MCS scores decreased as the number of allergens increased. Sleep disturbance was common among patients (76.0%). The proportions of individuals with sleep disturbance and nocturnal awakening were significantly higher in the group with FA, with the proportions increasing with higher number of allergens. CONCLUSION We obtained the first evidence that FA is associated with impaired QOL and sleep in psychiatric patients, which can be improved by avoiding exposure to food allergens.
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Affiliation(s)
- Chiho Gomi
- Department of Nursing, Soka University Faculty of Nursing, Tokyo, Japan.,Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience, Tokyo, Japan.,Department of Education Interdisciplinary Graduate School of Medicine and Engineering Doctoral Program, University of Yamanashi, Yamanashi, Japan
| | - Yuuki Yokota
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience, Tokyo, Japan
| | - Sumiko Yoshida
- Psychiatric Rehabilitation Unit, National Center of Neurology and Psychiatry Hospital, Tokyo, Japan
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Center of Neurology and Psychiatry, National Institute of Neuroscience, Tokyo, Japan.,Department of Psychiatry, Teikyo University School of Medicine, Tokyo, Japan
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76
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Predictive Factors for Oral Immune Modulation in Cow Milk Allergy. Nutrients 2022; 14:nu14030494. [PMID: 35276853 PMCID: PMC8840171 DOI: 10.3390/nu14030494] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 01/14/2022] [Accepted: 01/19/2022] [Indexed: 02/06/2023] Open
Abstract
Aim: The present study analyzed clinical and biological factors that might predict achievement of tolerance in patients with IgE-mediated cow milk allergy (CMA). Method: Seventy patients with IgE-mediated CMA (44.24 ± 24.16 months) were included in the study. The patients were evaluated clinically through skin prick test and sIgE to whole milk, casein, beta-lactoglobulin and alpha-lactalbumin. An eviction diet of 6 months was established, followed by oral food challenge test (OFC) and oral immunotherapy (OIT) with baked milk for 6 months. The tolerance was assessed after 2 years follow up. Results: Thirty percent of patients presented anaphylaxis of different degrees of severity as first manifestation of CMA. Sixty-two patients followed OIT or an accelerated reintroduction of milk. Ten patients (14.28%) did not obtain tolerance to milk within 2 years. A larger wheal in SPT and higher sIgE to milk, casein and betalactoglobulin were noted in patients with positive OFC. A basal level of <2.5 kU/l for sIgE to milk and <11.73 kU/l for sIgE to caseins predicted the occurrence of tolerance in patients with all types of clinical manifestations, including anaphylaxis. Conclusion: Basal levels of sIgE to milk and casein may help to identify patients that could become tolerant to milk.
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77
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Yilmaz O, Kacar AS, Gogebakan E, Can C, Necef I, Mutluer T, Uslu Kizilkan N, Taskiran AS, Sackesen C. The relationship between dietary elimination and maternal psychopathology in breastfeeding mothers of infants with food allergy. Pediatr Allergy Immunol 2022; 33:e13670. [PMID: 34543481 DOI: 10.1111/pai.13670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 08/25/2021] [Accepted: 09/14/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND There has been no study evaluating the psychopathology in breastfeeding mothers of infants with food allergy (FA). OBJECTIVE The aim of the study was to investigate the relationship between dietary elimination and maternal psychopathology, specifically anxiety, depression, and mother-to-infant bonding, in breastfeeding mothers of infants with food allergy. METHODS Breastfeeding mothers following an elimination diet due to FA in their children aged 1-to-12 months were compared with the healthy controls. The physician-diagnosed FA group was divided into IgE-, non-IgE-mediated, and infants with some minor symptoms which were not enough to make the diagnosis of FA were classified as Indecisive symptoms for FA group. Mothers completed standardized questionnaires including Symptom Checklist 90R, Beck Depression/Anxiety Inventories (BDI/BAI), Postpartum Bonding Questionnaire (Bonding). RESULTS Of 179 mother and infants, 64 were healthy, 89 were FA, 16 were indecisive symptoms for FA. The mean age of the mothers and infants were 31.1 ± 4.7 years and 6.3 ± 3.6 months, respectively. The physician-diagnosed FA groups had higher scores for anxiety (p = .008), anger (p = .042), depression (p < .001), obsession (p = .002), phobia (p = .008), somatization (p = .002), general symptom index (GSI) (p = .001), BDI (p < .001), BAI (p = .008), and Bonding (attachment [p = .001], anger [p = .019], and total [p = .036]) than the healthy ones. The indecisive symptoms for FA group had a similar score pattern to physician-diagnosed FA, except interpersonal sensitivity, BDI, and attachment. CONCLUSION Breastfeeding mothers of infants with FA were more anxious, with higher depression scores than controls, and had many psychopathologies which affected bonding. Interventions targeting negativity in caregivers' social relationships are urgently needed.
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Affiliation(s)
- Ozlem Yilmaz
- Division of Pediatric Allergy, School of Medicine, Koc University, Istanbul, Turkey.,Division of Pediatric Allergy and Immunology, Canakkale Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Anıl Safak Kacar
- Graduate School of Health Sciences, Koc University Research Center for Translational Medicine, Koc University, Istanbul, Turkey
| | | | - Ceren Can
- Pediatric Allergy and Immunology Clinic, Bakirkoy Dr. Sadi Konuk Education and Research Hospital, Istanbul, Turkey
| | - Isil Necef
- Department of Child and Adolescent Psychiatry, School of Medicine, Koc University, Istanbul, Turkey
| | - Tuba Mutluer
- Department of Child and Adolescent Psychiatry, School of Medicine, Koc University, Istanbul, Turkey
| | - Nuray Uslu Kizilkan
- Division of Pediatric Gastroenterology, School of Medicine, Koc University, Istanbul, Turkey
| | - Ali Sarper Taskiran
- Department of Child and Adolescent Psychiatry, School of Medicine, Koc University, Istanbul, Turkey.,Child Mind Institute, New York City, New York, USA
| | - Cansin Sackesen
- Division of Pediatric Allergy, School of Medicine, Koc University, Istanbul, Turkey
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78
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Polloni L, Ferruzza E, Ronconi L, D'Ovidio G, Bonaguro R, Lazzarotto F, Toniolo A, Guarnaccia A, Muraro A. Maternal anxiety and previous anaphylaxis are associated with alexithymia in young patients with food allergy. Pediatr Allergy Immunol 2022; 33:e13680. [PMID: 34655502 DOI: 10.1111/pai.13680] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 08/24/2021] [Accepted: 09/30/2021] [Indexed: 12/23/2022]
Abstract
BACKGROUND Alexithymia is a multifaceted personality construct described as "a lack of words to express emotions" that includes difficulty identifying feelings, difficulty describing feelings and a concrete, externally oriented cognitive style. Among patients with food allergy (FA) alexithymia has been found higher than in general population and associated with dysfunctional coping strategies. Childhood traumatic experiences and/or dysfunctional parent-child relationship can contribute to alexithymia. The study aimed to explore possible associations between child alexithymia and mother alexithymia and anxiety, as well as previous anaphylaxis. METHODS Sixty-five mother-child pairs have been recruited. Children had a medical diagnosis of FA. The Toronto Alexithymia Scale-20 was used to assess alexithymia in participants. The State-Trait Anxiety Inventory was used to assess trait anxiety in mothers. Statistical analysis was performed to investigate the influence of variables sex, previous anaphylaxis, and adrenaline auto-injector prescription on child and mother's alexithymia and to explore possible association between maternal and child alexithymia. RESULTS A substantial percentage of children were alexithymic (21.5%) or borderline (33.8%), while mothers' frequencies were lower and in line with prevalence in general population. Child alexithymia was positively associated with previous anaphylaxis and mothers' trait anxiety (p < .05). Mother trait anxiety was also associated with maternal alexithymia. Furthermore, a positive association between child and mother alexithymia has been found. CONCLUSIONS Clinicians must be aware of the role of alexithymia and its association with maternal anxiety and previous anaphylaxis in children with FA, encouraging seeking psychological support when needed. A multidisciplinary patient-centered approach should be put in place for the effective care of FA.
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Affiliation(s)
- Laura Polloni
- Department of Women and Children Health, Food Allergy Referral Centre Veneto Region, Padua University Hospital, Padua, Italy
| | - Emilia Ferruzza
- Department of Developmental Psychology and Socialization, University of Padua, Padua, Italy
| | - Lucia Ronconi
- IT and Statistical Services, Multifunctional Pole of Psychology, University of Padua, Padua, Italy
| | - Giorgia D'Ovidio
- Department of Developmental Psychology and Socialization, University of Padua, Padua, Italy
| | - Roberta Bonaguro
- Department of Women and Children Health, Food Allergy Referral Centre Veneto Region, Padua University Hospital, Padua, Italy
| | - Francesca Lazzarotto
- Department of Women and Children Health, Food Allergy Referral Centre Veneto Region, Padua University Hospital, Padua, Italy
| | - Alice Toniolo
- Department of Women and Children Health, Food Allergy Referral Centre Veneto Region, Padua University Hospital, Padua, Italy
| | - Alberto Guarnaccia
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | - Antonella Muraro
- Department of Women and Children Health, Food Allergy Referral Centre Veneto Region, Padua University Hospital, Padua, Italy
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79
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Akarsu A, Brindisi G, Fiocchi A, Zicari AM, Arasi S. Oral Immunotherapy in Food Allergy: A Critical Pediatric Perspective. Front Pediatr 2022; 10:842196. [PMID: 35273931 PMCID: PMC8901728 DOI: 10.3389/fped.2022.842196] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/17/2022] [Indexed: 11/29/2022] Open
Abstract
There is evidence that in children with persistent IgE-mediated food allergy (FA) to cow's milk, hen's egg, and peanut, oral allergen-specific immunotherapy (OIT) may increase the reaction threshold to the culprit food allergen(s). OIT may protect patients from the occurrence of severe reactions in case of accidental ingestion of the culprit food during treatment. Notwithstanding, many gaps are still unsolved, including safety issues, identification of predictive biomarkers, and post-desensitization efficacy. In this perspective, the use of omalizumab (Anti-IgE monoclonal antibody) has been proposed as an adjunctive treatment to OIT in order to reduce the risk of allergic reactions related to OIT. This review aims to summarize the current evidence and unmet needs on OIT in children with FA to enhance the development of longitudinal, prospective, and well-designed studies able to fill the current gaps soon.
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Affiliation(s)
- Aysegul Akarsu
- Division of Allergy and Asthma, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Giulia Brindisi
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Alessandro Fiocchi
- Translational Research in Pediatric Specialities Area, Division of Allergy, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Anna Maria Zicari
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Stefania Arasi
- Translational Research in Pediatric Specialities Area, Division of Allergy, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
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80
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Polloni L, Baldi I, Amadi M, Tonazzo V, Bonaguro R, Lazzarotto F, Toniolo A, Gregori D, Muraro A. Management of Children With Food-Induced Anaphylaxis: A Cross-Sectional Survey of Parental Knowledge, Attitude, and Practices. Front Pediatr 2022; 10:886551. [PMID: 35664871 PMCID: PMC9160827 DOI: 10.3389/fped.2022.886551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/26/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Anaphylaxis is a life-threatening event, but it is frequently undertreated in pediatric patients with food allergies. Previous studies showed that auto-injectable adrenaline (AAI) is underused by patients and parents. This is especially troubling since fatal anaphylaxis has been associated with delayed adrenaline administration. OBJECTIVES This study aimed to investigate parental practice and knowledge in anaphylaxis management, and perceived barriers and facilitators in using AAI. RESULTS A retrospective survey was completed by 75 parents (41 mothers, 34 fathers) of children with food allergy and AAI prescription attending the Food Allergy Referral Center of Veneto, Italy. Results showed poor parental preparedness and reluctance to use AAI despite a high/moderate self-rated knowledge (median total score of 23-min. 3, max. 30). Most parents (77%) declared they were carrying AAI but only 20% used it in case of a severe reaction. Most reported Fear/Fear of making mistakes (46 parents) and Concern about possible side effects as barriers (35), while Poor knowledge of the correct AAI use (1) and Lack of knowledge/ incorrect assessment of symptoms (2) were reported less frequently. Theoretical-practical courses for parents on AAI use (65), Psycho-education/Psychological support (3) for better dealing with the emotional aspects of anaphylaxis and Written instructions (1) have been suggested as main facilitators. CONCLUSION Understanding parents' experience and perspective on managing anaphylaxis is crucial to implement effective educational programs. A multidisciplinary approach should be considered.
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Affiliation(s)
- Laura Polloni
- Department of Women's and Children's Health, Food Allergy Referral Centre, Veneto Region, Padua University Hospital, Padua, Italy.,Unit of Psychology, Padua University Hospital, Padua, Italy
| | - Ileana Baldi
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic and Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Margherita Amadi
- Department of Women's and Children's Health, School of Medicine and Surgery, University of Padua, Padua, Italy
| | - Valentina Tonazzo
- Department of Women's and Children's Health, School of Medicine and Surgery, University of Padua, Padua, Italy
| | - Roberta Bonaguro
- Department of Women's and Children's Health, Food Allergy Referral Centre, Veneto Region, Padua University Hospital, Padua, Italy
| | - Francesca Lazzarotto
- Department of Women's and Children's Health, Food Allergy Referral Centre, Veneto Region, Padua University Hospital, Padua, Italy
| | - Alice Toniolo
- Department of Women's and Children's Health, Food Allergy Referral Centre, Veneto Region, Padua University Hospital, Padua, Italy
| | - Dario Gregori
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic and Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Antonella Muraro
- Department of Women's and Children's Health, Food Allergy Referral Centre, Veneto Region, Padua University Hospital, Padua, Italy
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81
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Steiner EM, Dahlquist L. Intolerance of uncertainty and protective parenting: the mediating role of maternal appraisals and the moderating role of child health status. CHILDRENS HEALTH CARE 2021. [DOI: 10.1080/02739615.2021.2007771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Emily M. Steiner
- Department of Psychology, University of Maryland, Baltimore County, Baltimore, MD, USA
| | - Lynnda Dahlquist
- Department of Psychology, University of Maryland, Baltimore County, Baltimore, MD, USA
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82
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Moreno A, Sanz G, Garcia-Zapirain B. hGLUTEN Tool: Measuring Its Social Impact Indicators. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:12722. [PMID: 34886446 PMCID: PMC8657479 DOI: 10.3390/ijerph182312722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/23/2021] [Accepted: 11/30/2021] [Indexed: 11/24/2022]
Abstract
hGLUTEN is a technological solution capable of detecting gluten and spoiled food. We measured the social impact of the hGLUTEN tool using two Likert scale surveys with two groups: professionals (engineers/chefs) and end-users. These data have been assessed in accordance with the social impact indicators defined for the Key Impact Pathways introduced by the European Commission for Horizon Europe and the criteria of the Social Impact Open Repository (SIOR). A total of 85% of users, 100% of engineers and 68% of professional chefs consider it very relevant to participate and give their opinion in research projects, which shows the increasingly high level of involvement of the general population. A total of 88% of users were unaware of other applications that detect gluten and were more dependent on guidelines provided by allergy associations and expiry dates of foodstuffs. In addition, only 5% of professional chefs said they were aware of other technology capable of detecting gluten in food, which may indicate a large economic market and good commercialisation possibilities for the tool in the future. Finally, the inclusion of tools to motivate users to promote it has been identified as an area for improvement, which could mean that it should be made more visible in the media to increase its impact and influence.
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Affiliation(s)
- Antonia Moreno
- eVIDA Research Group, University of Deusto, Avd. de las Universidades, 24, 48007 Bilbao, Spain; (G.S.); (B.G.-Z.)
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Abstract
Food allergies are a common and serious cause of illness, accounting for an increasing number of emergency department visits annually. Although definite diagnosis lays outside of an emergency department visit, the clinical management of the most serious food allergies highlights emergency care. The staple of acute care remains epinephrine in association with antihistamines and steroids. The greatest threat remains undertreatment for this group of disorders and underutilization of epinephrine. Those who have been treated for a food allergy need a follow-up allergist evaluation, guidance of food avoidance, and avoidance of foods with cross-sensitivities as well as ready access to epinephrine.
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84
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Dantzer J, Dunlop J, Psoter KJ, Keet C, Wood R. Efficacy and Safety of Baked Milk Oral Immunotherapy in Children with Severe Milk Allergy: A Randomized, Double-blind, Placebo-controlled Phase 2 Trial. J Allergy Clin Immunol 2021; 149:1383-1391.e17. [PMID: 34740607 DOI: 10.1016/j.jaci.2021.10.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 11/15/2022]
Abstract
BACKGROUND Cow's milk allergy is the most common food allergy in young children and has no current treatment. Oral immunotherapy studies to date have shown efficacy but high rates of adverse reactions. OBJECTIVE We sought to evaluate the safety and efficacy of baked milk oral immunotherapy (BMOIT) in baked milk allergic children. METHODS Participants (3-18 years) were randomized to receive BMOIT or placebo for 12 months. Efficacy was assessed by double-blind placebo-controlled food challenge after 12 months of treatment. Safety, quality of life, and mechanistic parameters were also evaluated. RESULTS 11/15 (73%) of the BMOIT participants reached the primary endpoint, tolerating 4044 mg of baked milk protein after 12 months of OIT, compared to 0/15 (0%) on placebo. The median maximal tolerated dose (MTD) and median change from baseline was significantly higher in the BMOIT group compared to placebo (median MTD 4044mg vs 144mg; p=0.001; median change in MTD of 3900mg vs 0mg, p=0.0001). Dose-related reactions were common but >95% in both groups were mild. There was no significant change in CM- or beta lactoglobulin-IgE from baseline for either group. CM-sIgG4 did significantly increase and casein IgE decreased in the BMOIT group. For proxy-reported food allergy quality of life, there was a significant difference in the emotional impact domain only with more improving while on placebo compared BMOIT. The majority of children and adolescents in the BMOIT group directly reported improvement in at least one domain. CONCLUSION BMOIT was well tolerated and induced a substantial level of desensitization after 12 months of treatment.
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Affiliation(s)
- Jennifer Dantzer
- Division of Pediatric Allergy and Immunology, Department of Pediatrics, John Hopkins University School of Medicine, Baltimore, MD.
| | - Joan Dunlop
- Division of Pediatric Allergy and Immunology, Department of Pediatrics, John Hopkins University School of Medicine, Baltimore, MD
| | - Kevin J Psoter
- Division of General Pediatrics, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Corinne Keet
- Division of Pediatric Allergy and Immunology, Department of Pediatrics, John Hopkins University School of Medicine, Baltimore, MD
| | - Robert Wood
- Division of Pediatric Allergy and Immunology, Department of Pediatrics, John Hopkins University School of Medicine, Baltimore, MD
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85
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Leech SC, Ewan PW, Skypala IJ, Brathwaite N, Erlewyn-Lajeunesse M, Heath S, Ball H, James P, Murphy K, Clark AT. BSACI 2021 guideline for the management of egg allergy. Clin Exp Allergy 2021; 51:1262-1278. [PMID: 34586690 DOI: 10.1111/cea.14009] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 08/09/2021] [Accepted: 08/15/2021] [Indexed: 12/19/2022]
Abstract
This guideline advises on the management of patients with egg allergy. Most commonly egg allergy presents in infancy, with a prevalence of approximately 2% in children and 0.1% in adults. A clear clinical history will confirm the diagnosis in most cases. Investigation by measuring egg-specific IgE (by skin prick testing or specific IgE assay) is useful in moderate-severe cases or where there is diagnostic uncertainty. Following an acute allergic reaction, egg avoidance advice should be provided. Egg allergy usually resolves, and reintroduction can be achieved at home if reactions have been mild and there is no asthma. Patients with a history of severe reactions or asthma should have reintroduction guided by a specialist. All children with egg allergy should receive the MMR vaccine. Most adults and children with egg allergy can receive the influenza vaccine in primary care, unless they have had anaphylaxis to egg requiring intensive care support. Yellow Fever vaccines should only be considered in egg-allergic patients under the guidance of an allergy specialist. 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 allergists and others with a special interest in allergy. The recommendations are evidence based. Where evidence was lacking, consensus was reached by the panel of specialists on the committee. The document encompasses epidemiology, risk factors, diagnosis, treatment, prognosis and co-morbid associations.
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Affiliation(s)
- Susan C Leech
- Department of Child Health, Kings College Hospital, London, UK
| | - Pamela W Ewan
- Allergy Clinic, NHS Foundation Trust, Cambridge University, Cambridge, UK
| | | | - Nicola Brathwaite
- Department of Child Health, Kings College Hospital, London, UK.,Department of Child Health, Kings College Hospital, London, UK
| | | | - Sarah Heath
- Department of Child Health, Kings College Hospital, London, UK
| | - Heidi Ball
- University Hospitals Leicester, Leicester, UK
| | - Polly James
- Evelina Children's Hospital, Guys and St Thomas' NHS Foundation Trust, London, UK
| | - Karen Murphy
- Evelina Children's Hospital, Guys and St Thomas' NHS Foundation Trust, London, UK
| | - Andrew T Clark
- Allergy Clinic, NHS Foundation Trust, Cambridge University, Cambridge, UK
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86
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Salsabila HY, Putera AM, Baskoro A. Correlation between nutritional status and children's activity with food allergy: A cross-sectional study. Ann Med Surg (Lond) 2021; 68:102652. [PMID: 34401134 PMCID: PMC8355818 DOI: 10.1016/j.amsu.2021.102652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/29/2021] [Accepted: 07/29/2021] [Indexed: 10/27/2022] Open
Abstract
Background Food allergy in children affects nutritional status that limits their daily activities to prevent eating various foods to avoid allergic reactions. Objective Analyzing the relationship between nutritional status and daily activities in children with food allergies. Methods This study used a cross-sectional design that was carried out on children diagnosed with food allergies who underwent outpatient management of food allergies. The data were collected from January to May 2021 that included participant characteristics, nutritional status, and daily activities. Data analysis used Chi-Square and spearman rho test with p < 0.05. Results There was a significant relationship between age and FAIS (CI 1.83-4.24; p = 0.025). In addition, there was no significant relationship between the affected organs and FAIS (OR = 0.174; p = 0.052). Meanwhile, the relationship between nutritional status and FAIS was significant (OR = 0.161; p = 0.007). There was no significant relationship between parental education and FAIS (OR = 0.817; p = 0.776) as well as sex of the child and FAIS (OR = 0.982; p = 0.977). Conclusion Daily activities of children with food allergies are influenced by the nutritional status of children and children's age in choosing food.
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Affiliation(s)
| | - Azwin Mengindra Putera
- Department of Child Health, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Ari Baskoro
- Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
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87
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Ramos A, Cooke F, Miller E, Herbert L. The Food Allergy Parent Mentoring Program: A Pilot Intervention. J Pediatr Psychol 2021; 46:856-865. [PMID: 33706373 DOI: 10.1093/jpepsy/jsab019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 02/17/2021] [Accepted: 02/17/2021] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE Parents of young children with newly diagnosed food allergy (FA) are at risk for poor psychosocial outcomes due to FA's life-threatening nature and demanding management routines. Presently, there are no interventions to support FA parents during this adjustment phase. This single-arm pilot study explores the feasibility, acceptability, and preliminary efficacy of a novel intervention using peer mentorship to improve psychosocial functioning in parents of young children with newly diagnosed FA. METHODS Parent mentors were trained in mentorship and ethics and then matched with a mentee for a 6-month intervention period. Mentees, parents of children (under age 5 years) diagnosed with FA within 1 year, completed baseline and follow-up questionnaires to assess demographic and medical characteristics, FA knowledge, quality of life, self-efficacy, and social support and a program evaluation. Follow-up focus groups with mentors and individual interviews with mentees were conducted. RESULTS Participants were 8 mentors and 10 mentees (Mage = 36.60 years, 80% Caucasian) of children ages 0-3 years (Mage = 16.15 months; 60% male). Mentees reported high acceptability for the intervention in program evaluation and interviews, noting improvements in their social support, FA-related stress, confidence in FA management, and positive changes in FA parenting behaviors. CONCLUSION This study supports the use of a peer mentorship program to support parents of children with newly diagnosed FA. Future research is needed to determine how to scale this intervention to meet the needs of a large medical division.
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Affiliation(s)
- Ashley Ramos
- Division of Allergy and Immunology, Children's National Hospital.,Division of Allergy and Immunology, Children's National Health System and Department of Psychiatry and Behavioral Sciences at George Washington University School of Medicine and Health Sciences
| | - Frances Cooke
- Division of Allergy and Immunology, Children's National Hospital
| | - Emily Miller
- Division of Allergy and Immunology, Children's National Hospital
| | - Linda Herbert
- Division of Allergy and Immunology, Children's National Hospital.,Division of Allergy and Immunology, Children's National Health System and Department of Psychiatry and Behavioral Sciences at George Washington University School of Medicine and Health Sciences
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88
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Roberts K, Meiser-Stedman R, Brightwell A, Young J. Parental Anxiety and Posttraumatic Stress Symptoms in Pediatric Food Allergy. J Pediatr Psychol 2021; 46:688-697. [PMID: 33704484 DOI: 10.1093/jpepsy/jsab012] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 01/26/2021] [Accepted: 01/30/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE The purpose of this study was to explore anxiety, worry, and posttraumatic stress symptoms (PTSS) in parents of children with food allergies, and to evaluate whether these three psychological outcomes could be predicted by allergy severity, intolerance of uncertainty, and food allergy self-efficacy. METHODS Participants were 105 parents who reported their children to have medically diagnosed food allergies. Participants were recruited to a study on parent wellbeing through an allergy clinic and social media advertisements. Participants completed online questionnaires assessing anxiety, worry, PTSS, intolerance of uncertainty, food allergy self-efficacy, and demographic and allergy information. RESULTS In this sample, 81.0% of parents reported clinically significant worry, 42.3% met the clinical cut-off for PTSS, and 39.1% reported moderate-extremely severe anxiety. Greater intolerance of uncertainty and lower food allergy self-efficacy were associated with poorer psychological outcomes, with mixed results for allergy severity. However, intolerance of uncertainty was the only variable to consistently account for unique variance within regression models. CONCLUSIONS This study highlights the need for greater awareness of mental health in parents of children with food allergy. The study also indicates that factors impacting on parents' perception of threat may be most strongly predictive of psychological outcomes, warranting further research. Finally, the study indicates that intolerance of uncertainty may be a promising target for psychological interventions within this population.
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Affiliation(s)
- Kate Roberts
- Department of Clinical Health Psychology, Queen Elizabeth Hospital King's Lynn NHS Foundation Trust.,Community Paediatrics, Oak Tree Centre, Cambridgeshire Community Services NHS Trust
| | - Richard Meiser-Stedman
- Department of Clinical Psychology and Psychological Therapies, Norwich Medical School, University of East Anglia
| | - Alex Brightwell
- Jenny Lind Children's Hospital, Norfolk and Norwich University Hospitals NHS Foundation Trust
| | - Judith Young
- Department of Clinical Psychology and Psychological Therapies, Norwich Medical School, University of East Anglia.,Psychological Medicine Services for Children, Young People and Families, Children's Services Box 267, Addenbrooke's Cambridge University Hospital Trust
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89
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Development of the Child- and Parent-Rated Scales of Food Allergy Anxiety (SOFAA). THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2021; 10:161-169.e6. [PMID: 34265450 DOI: 10.1016/j.jaip.2021.06.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/07/2021] [Accepted: 06/23/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND Anxiety can be excessive and impairing in children with food allergy (FA). There is no accepted condition-specific measure of anxiety for this population. OBJECTIVE To evaluate the validity and reliability of new child- and parent-rated measures of FA-related anxiety in youth. METHODS Items for the Scale of Food Allergy Anxiety (SOFAA) were developed by a cognitive-behavioral therapist specializing in pediatric anxiety, in consultation with FA medical professionals and parents of children with FA. Dyads (n = 77) of children with FA (aged 8-18 years; 42.9% females) and their parents (95.5% females) completed full versions of the SOFAA (21 items; scored 0-4) via online survey. RESULTS The child-rated SOFFA-C mean score was 29.1 ± 18.3; the parent-rated SOFAA-P mean score was 33.9 ± 16.1. Higher scores indicate higher reported anxiety. Coefficient alphas were 0.94 and 0.92. Factor analyses and item-response theory analyses supported the creation of the 14-item SOFAA-C-brief and the 7-item SOFAA-P-brief, accounting for 93% and 79% of total variance, respectively. Correlations revealed strong convergence between child- and parent-report for both the full (r = 0.85) and brief (r = 0.79) versions. Correlations with a generic measure of child anxiety (Screen for Child Anxiety Related Disorders) and the Food Allergy Quality of Life Questionnaire ranged from moderate to strong, whereas those with a generic measure of child eating problems (About Your Child's Eating) were weak to moderate, supporting convergent and divergent validity. Scores of 48 dyads who completed SOFAAs at time 2 (mean, 16.0 days) appeared stable over time, supporting test-retest reliability. CONCLUSIONS The 21-item SOFAA-C and SOFAA-P are reliable and valid scales for measuring condition-specific anxiety in youth with FA. As shorter screening measures, the SOFAA-C-brief and the SOFAA-P-brief are also reliable and valid.
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90
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Loke P, Chebar Lozinsky A, Orsini F, Wong LSY, Leung ASY, Tham EH, Lopata AL, Shek LPC, Tang ML. Study protocol of a phase 2, dual-centre, randomised, controlled trial evaluating the effectiveness of probiotic and egg oral immunotherapy at inducing desensitisation or sustained unresponsiveness (remission) in participants with egg allergy compared with placebo (Probiotic Egg Allergen Oral Immunotherapy for Treatment of Egg Allergy: PEAT study). BMJ Open 2021; 11:e044331. [PMID: 34233966 PMCID: PMC8264865 DOI: 10.1136/bmjopen-2020-044331] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Egg allergy is the most common food allergy in children but recent studies have shown persistence or delayed resolution into adolescence. As there is currently no effective long-term treatment, definitive treatments that improve quality of life and prevent fatalities for food allergies are required. We have previously shown that a novel treatment comprising a combination of the probiotic Lactobacillus rhamnosus CGMCC 1.3724 with peanut oral immunotherapy (OIT) is highly effective at inducing sustained unresponsiveness, with benefit persisting to 4 years after treatment cessation in the majority of initial treatment responders. In this study, we plan to extend the probiotic food OIT platform to another allergen, namely egg. We describe the protocol for a phase 2, dual-centre, randomised, controlled trial evaluating the effectiveness of probiotic and egg OIT at inducing desensitisation or sustained unresponsiveness (remission) in participants with egg allergy compared with placebo. METHODS AND ANALYSIS 80 participants aged 5-30 years of age with current egg allergy confirmed by double-blind placebo-controlled food challenge at study screening will be recruited from Australia and Singapore. There are two intervention arms-probiotic and egg OIT (active) or placebo. Interventions are administered once daily for 18 months. The primary outcome is the proportion of participants who attain 8-week sustained unresponsiveness in the active group versus placebo group. ETHICS AND DISSEMINATION This study has been approved by the Human Research Ethics Committees at the Royal Children's Hospital (HREC 2019.082) and the National Healthcare Group Domain Specific Review Board (2019/00029). Results will be published in peer-reviewed journals and disseminated via presentations at international conferences. TRIAL REGISTRATION NUMBER ACTRN12619000480189.
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Affiliation(s)
- Paxton Loke
- Allergy Immunology, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Monash Children's Hospital, Clayton, Victoria, Australia
| | | | - Francesca Orsini
- Clinical Epidemiology and Biostatistics Unit, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Melbourne Children's Trials Centre, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Lydia Su-Yin Wong
- Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore
| | - Agnes Sze-Yin Leung
- Allergy Immunology, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Elizabeth Huiwen Tham
- Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore
- Department of Paediatrics, National University Singapore Yong Loo Lin School of Medicine, Singapore
| | - Andreas L Lopata
- Molecular Allergy Research Laboratory, James Cook University College of Public Health Medical and Veterinary Sciences, Townsville, Queensland, Australia
| | - Lynette Pei-Chi Shek
- Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore
- Department of Paediatrics, National University Singapore Yong Loo Lin School of Medicine, Singapore
| | - Mimi Lk Tang
- Allergy Immunology, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Department of Allergy and Immunology, Royal Children's Hospital, Parkville, Victoria, Australia
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91
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Poza-Guedes P, González-Pérez R. Implementing information and communication technology education on food allergy and anaphylaxis in the school setting. Clin Transl Allergy 2021; 11:e12039. [PMID: 34262693 PMCID: PMC8254581 DOI: 10.1002/clt2.12039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/22/2021] [Accepted: 05/24/2021] [Indexed: 11/28/2022] Open
Abstract
Introduction Every year, 1/10,000 children experiences a food‐anaphylactic reaction. Most of these events, including attack‐related deaths, may happen during the school hours. In the current study, we assessed the influence of information and communication technologies (ICT) in the school‐staff's education on food allergy and anaphylaxis (FAA). Methods The target population of this intervention was non‐university teaching centers from the local Regional Education Council, including both state and private institutions. The digital intervention was supported by the free‐of‐charge and open‐source learning‐management Aulatic Educational Platform. Structured questionnaires were developed to evaluate the educators' knowledge, feelings, and self‐efficacy on FAA, in addition to a satisfaction and quality survey of the training program. Results A total of 1748 school‐educators were virtually enrolled from May 2016 to June 2020 in one of the 8‐week course editions, with 80.6% of attendees successfully completing the full training. All scores concerning school‐staff's basic knowledge and self‐efficacy on FAA significantly improved after the educational intervention, reaching a high level of satisfaction among participants (98.5%) over the 4‐year educational program. Conclusion Our results highlighted the effectiveness of a focused e‐learning activity to improve teachers and school caretakers in the management of food allergic scholars and anaphylactic reactions during the school hours. The use of ICTs tools should become an integrated part of curricular frameworks in non‐university education, leading to a better care of FAA school children.
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Affiliation(s)
- Paloma Poza-Guedes
- Allergy Department Hospital Universitario de Canarias Tenerife Spain.,Severe Asthma Unit Hospital Universitario de Canarias Tenerife Spain
| | - Ruperto González-Pérez
- Allergy Department Hospital Universitario de Canarias Tenerife Spain.,Severe Asthma Unit Hospital Universitario de Canarias Tenerife Spain
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92
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Smith NA, Germundson DL, Gao P, Hur J, Floden AM, Nagamoto-Combs K. Anxiety-like behavior and intestinal microbiota changes as strain-and sex-dependent sequelae of mild food allergy in mouse models of cow's milk allergy. Brain Behav Immun 2021; 95:122-141. [PMID: 33705867 PMCID: PMC8525516 DOI: 10.1016/j.bbi.2021.03.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/20/2021] [Accepted: 03/02/2021] [Indexed: 12/12/2022] Open
Abstract
A number of studies have reported comorbidity of food allergies with various neuropsychiatric disorders, such as anxiety, depression, attention-deficit hyperactivity disorder, and autism. However, inconsistent results across clinical studies have left the association between food allergy and behavioral disorders inconclusive. We postulated that the heterogeneities in genetic background among allergic cohorts affect symptom presentation and severity of food allergy, introducing bias in patient selection criteria toward individuals with overt physical reactions. To understand the influence of genetic background on food allergy symptoms and behavioral changes beyond anaphylaxis, we generated mouse models with mild cow's milk allergy by sensitizing male and female C57BL/6J and BALB/cJ mice to a bovine whey protein, β-lactoglobulin (BLG; Bos d 5). We compared strain- and sex-dependent differences in their immediate physical reactions to BLG challenge as well as anxiety-like behavior one day after the challenge. While reactions to the allergen challenge were either absent or mild for all groups, a greater number of BLG-sensitized BALB/cJ mice presented visible symptoms and hypothermia compared to C57BL/6J mice. Interestingly, male mice of both strains displayed anxiety-like behavior on an elevated zero maze without exhibiting cognitive impairment with the cross maze test. Further characterization of plasma cytokines/chemokines and fecal microbiota also differentiated strain- and sex-dependent effects of BLG sensitization on immune-mediator levels and bacterial populations, respectively. These results demonstrated that the genetic variables in mouse models of milk allergy influenced immediate physical reactions to the allergen, manifestation of anxiety-like behavior, levels of immune responses, and population shift in gut microbiota. Thus, stratification of allergic cohorts by their symptom presentations and severity may strengthen the link between food allergy and behavioral disorders and identify a population(s) with specific genetic background that have increased susceptibility to allergy-associated behavioral disorders.
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Affiliation(s)
- Nicholas A Smith
- Department of Pathology, University of North Dakota School of Medicine & Health Sciences, Grand Forks, ND, USA.
| | - Danielle L Germundson
- Department of Pathology, University of North Dakota School of Medicine & Health Sciences, Grand Forks, ND, USA.
| | - Pan Gao
- Department of Biomedical Sciences, University of North Dakota School of Medicine & Health Sciences, Grand Forks, ND, USA.
| | - Junguk Hur
- Department of Biomedical Sciences, University of North Dakota School of Medicine & Health Sciences, Grand Forks, ND, USA.
| | - Angela M Floden
- Department of Biomedical Sciences, University of North Dakota School of Medicine & Health Sciences, Grand Forks, ND, USA.
| | - Kumi Nagamoto-Combs
- Department of Biomedical Sciences, University of North Dakota School of Medicine & Health Sciences, Grand Forks, ND, USA.
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93
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Abdelwadoud M, Eftekhari S, Jaffee H, Carver M, Mattingly TJ. Food allergy treatment value: Child caregiver and patient perspectives. Pediatr Allergy Immunol 2021; 32:1038-1047. [PMID: 33544417 PMCID: PMC8359212 DOI: 10.1111/pai.13464] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/26/2021] [Accepted: 02/02/2021] [Indexed: 01/18/2023]
Abstract
BACKGROUND Food allergy is a major health problem that significantly impacts quality of life (QoL). There is growing focus to evaluate food allergy-related QoL and treatment options' value beyond the clinical effectiveness perspective by engaging patients and caregivers. We aimed to identify and prioritize outcomes important to food allergy parents of children and patients allergic to milk, egg, and/or peanut, to guide comparative effectiveness research (CER) that focuses on evaluating food allergy treatment decisions. METHODS We conducted a modified 3-round Delphi study to identify and derive consensus on priority treatment outcomes for parents of children and adult patients with diagnosed allergies to at least one of three major allergenic foods (milk, egg, and peanut) from across the United States. RESULTS Round 1 yielded 44 statements for round 2, and 39 statements reached the agreement level for round 3 ranking. Statements were organized under 4 sections: 1) food allergy problems, 2) treatment experiences, 3) important treatment outcomes, and 4) value of different treatment options. CONCLUSION Food allergy parents and patients face several social, psychological, medical, healthcare, financial, food selection, and awareness challenges. The areas of consensus on important treatment outcomes revealed shared priority for reducing the risk of potentially fatal allergic reactions and having reliable treatments. The most valued treatment options reflect hope for permanent cure and fear of serious allergic reactions.
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Affiliation(s)
- Moaz Abdelwadoud
- Department of Pharmaceutical Health Services Research, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Sanaz Eftekhari
- Asthma and Allergy Foundation of America, Arlington, VA, USA
| | - Hannah Jaffee
- Asthma and Allergy Foundation of America, Arlington, VA, USA
| | - Melanie Carver
- Asthma and Allergy Foundation of America, Arlington, VA, USA
| | - T Joseph Mattingly
- Department of Pharmaceutical Health Services Research, University of Maryland School of Pharmacy, Baltimore, MD, USA
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94
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Mahdavinia M, Tobin MC, Fierstein JL, Andy-Nweye AB, Bilaver LA, Fox S, Pappalardo AA, Jiang J, Catlin PA, Chura A, Robinson A, Abdikarim I, Coleman A, Warren CM, Newmark PJ, Bozen A, Negris OR, Pongracic JA, Sharma HP, Assa'ad AH, Gupta RS. African American Children Are More Likely to Be Allergic to Shellfish and Finfish: Findings from FORWARD, a Multisite Cohort Study. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2021; 9:2867-2873.e1. [PMID: 33359586 PMCID: PMC8277659 DOI: 10.1016/j.jaip.2020.12.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/05/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Despite major differences in health profiles and rates of health care utilization between African American and White children with food allergy (FA), the detailed phenotypic variables that can potentially impact these outcomes have not been thoroughly studied. OBJECTIVE We aimed to characterize phenotypic differences such as allergies to different foods and allergic comorbidities between African American and White children with FA enrolled in the Food Allergy Outcomes Related to White and African American Racial Differences study. METHODS Our active, prospective, multicenter cohort study is currently enrolling African American and White children aged 0 to 12 years diagnosed with FA and followed by allergy/immunology clinics at 4 urban tertiary centers in the United States. To evaluate associations between race and phenotypic variables, we used multivariable logistic regression, adjusting for important demographic and confounding factors, as well as potential household clustering. RESULTS As of May 2020, there were 239 African Americans and 425 Whites with complete intake information enrolled in the study. In comparison with Whites, we found that African Americans had significantly higher adjusted odds of allergy to finfish (odds ratio [OR]: 2.54, P < .01) and shellfish (OR: 3.10, P < .001). African Americans also had higher adjusted odds of asthma than Whites (asthma prevalence of 60.5% in African Americans and 27.2% in Whites; OR: 2.70, P < .001). In addition, shellfish allergy was associated with asthma, after controlling for race. CONCLUSION Among a diverse cohort of children with physician-diagnosed FA, we observed that African American children had higher odds of allergy to shellfish and finfish, and higher rates of asthma. Interestingly, having asthma was independently associated with allergy to shellfish, after controlling for race.
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Affiliation(s)
| | - Mary C Tobin
- Division of Allergy/Immunology, Rush University Medical Center, Chicago, Ill
| | - Jamie L Fierstein
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Aame B Andy-Nweye
- Division of Allergy/Immunology, Rush University Medical Center, Chicago, Ill
| | - Lucy A Bilaver
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Susan Fox
- Division of Allergy/Immunology, Rush University Medical Center, Chicago, Ill
| | - Andrea A Pappalardo
- Department of Medicine and Pediatrics, University of Illinois at Chicago, Chicago, Ill
| | - Jialing Jiang
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Perry A Catlin
- Division of Allergy & Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Annika Chura
- Division of Allergy & Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Adam Robinson
- Division of Allergy and Immunology, Children's National Health Systems, Washington, DC
| | - Iman Abdikarim
- Division of Allergy and Immunology, Children's National Health Systems, Washington, DC
| | - Amaziah Coleman
- Division of Allergy and Immunology, Children's National Health Systems, Washington, DC
| | - Christopher M Warren
- Advanced General Pediatrics and Primary Care, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Ill
| | - Pamela J Newmark
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Alexandria Bozen
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Olivia R Negris
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Jacqueline A Pongracic
- Advanced General Pediatrics and Primary Care, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Ill
| | - Hemant P Sharma
- Division of Allergy and Immunology, Children's National Health Systems, Washington, DC
| | - Amal H Assa'ad
- Division of Allergy & Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Ruchi S Gupta
- Center for Food Allergy and Asthma Research and Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Ill; Advanced General Pediatrics and Primary Care, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Ill
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95
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Cao S, Borro M, Alonzi S, Sindher S, Nadeau K, Chinthrajah RS. Improvement in Health-Related Quality of Life in Food-Allergic Patients: A Meta-analysis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:3705-3714. [PMID: 34089927 DOI: 10.1016/j.jaip.2021.05.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 05/20/2021] [Accepted: 05/22/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Food allergy (FA) is a growing global problem that can affect patients' health-related quality of life (HRQoL) owing to increased anxiety as well as social and economic restrictions. Interventions such as oral food challenges (OFCs) and oral immunotherapy (OIT) have been shown to improve HRQoL. However, meta-analyses and systematic synthesis of these data are lacking. OBJECTIVE To review and quantitatively synthesize potential benefits of interventions (OIT and OFC) systematically to address FA to a variety of foods. METHODS We conducted a systematic search through PubMed and Cochrane Medical Library databases and performed a meta-analysis focusing on studies assessing changes in HRQoL after OIT and/or OFCs in FA participants and caregivers from 2010 to July 2020. Random effects model and I2 statistics were used to assess overall intervention effects and heterogeneity across studies. RESULTS We included 13 publications in this meta-analysis (OIT = 7; OFCs = 6). Mean change in HRQoL scores after OIT and OFCs was -1.25 (P < .001) and -0.78 (P = .052), with a significant I2 of 87% (P < .001) and 90% (P < .001), respectively. Five OIT studies found significant improvements in HRQoL in the OIT group compared with the placebo group, with an overall standardized mean difference of -0.56 (P = .007; I2 = 42%, P = .099). CONCLUSIONS This meta-analysis showed that in FA patients, both OIT and OFCs are associated with an improvement in HRQoL. Well-designed and long-term HRQoL studies are necessary to ascertain sustained benefits of OIT and OFCs.
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Affiliation(s)
- Shu Cao
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Stanford, Calif
| | - Matteo Borro
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Stanford, Calif; Clinical Immunology Unit, Department of Internal Medicine, University of Genoa and Ospedale Policlinico San Martino, Genoa, Italy; Department of Internal Medicine, San Paolo Hospital, Savona, Italy
| | - Sarah Alonzi
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Stanford, Calif; Department of Psychology, Loyola University, New Orleans, La
| | - Sayantani Sindher
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Stanford, Calif; Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, Calif
| | - Kari Nadeau
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Stanford, Calif; Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, Calif
| | - R Sharon Chinthrajah
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Stanford, Calif; Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, Calif.
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96
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Burrell S, Patel N, Vazquez-Ortiz M, Campbell DE, DunnGalvin A, Turner PJ. Self-administration of adrenaline for anaphylaxis during in-hospital food challenges improves health-related quality of life. Arch Dis Child 2021; 106:558-563. [PMID: 32948514 PMCID: PMC8142442 DOI: 10.1136/archdischild-2020-319906] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/22/2020] [Accepted: 08/24/2020] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To assess the impact of anaphylaxis on health-related quality of life (HRQL) and self-efficacy in food-allergic patients undergoing in-hospital food challenge. DESIGN Secondary analysis of a randomised controlled trial. SETTING Specialist allergy centre. PATIENTS Peanut-allergic young people aged 8-16 years. INTERVENTIONS Double-blind, placebo-controlled food challenge to peanut, with HRQL and self-efficacy assessed using validated questionnaire, approximately 2 weeks prior to and 2 weeks after challenge. Where possible, anaphylaxis was treated with self-injected adrenaline (epinephrine). MAIN OUTCOME MEASURES Change in HRQL and self-efficacy. RESULTS 56 participants had reactions at food challenge, of whom 16 (29%) had anaphylaxis. Overall, there was an improvement in HRQL (mean 2.6 points (95% CI 0.3 to 4.8); p=0.030) and self-efficacy (mean 4.1 points (95% CI 2.4 to 5.9); p<0.0001), independent of whether anaphylaxis occurred. Parents also reported improved HRQL (mean 10.3 points (95% CI 5.9 to 14.7); p<0.0001). We found evidence of discordance between the improvement in HRQL and self-efficacy as reported by young people and that perceived by parents in their child. CONCLUSIONS Anaphylaxis at food challenge, followed by self-administration of injected adrenaline, was associated with an increase in HRQL and self-efficacy in young people with peanut allergy. We found no evidence that the occurrence of anaphylaxis had a detrimental effect. Young people should be encouraged to self-administer adrenaline using their autoinjector device to treat anaphylaxis at in-hospital challenge. TRIAL REGISTRATION NUMBER NCT02149719.
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Affiliation(s)
- Sarah Burrell
- Section of Inflammation, Repair and Development, National Heart & Lung Institute, Imperial College London, London, UK
| | - Nandinee Patel
- Section of Inflammation, Repair and Development, National Heart & Lung Institute, Imperial College London, London, UK
| | - Marta Vazquez-Ortiz
- Section of Inflammation, Repair and Development, National Heart & Lung Institute, Imperial College London, London, UK
| | - Dianne E. Campbell
- Discipline of Child and Adolescent Health, University of Sydney, Sydney, New South Wales, Australia
| | - Audrey DunnGalvin
- School of Applied Psychology, Department of Paediatrics and Child Health, University College Cork, Cork, Ireland
| | - Paul J. Turner
- Section of Inflammation, Repair and Development, National Heart & Lung Institute, Imperial College London, London, UK,Discipline of Child and Adolescent Health, University of Sydney, Sydney, New South Wales, Australia
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97
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Pistiner M, Theodorakakis M. Development and Implementation of a Community Mentorship Program to Support Children with Food Allergy. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:2129-2131.e2. [PMID: 33966873 DOI: 10.1016/j.jaip.2021.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 11/19/2022]
Affiliation(s)
- Michael Pistiner
- MassGeneral Hospital for Children, Harvard Medical School, Boston, Mass.
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98
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Golding MA, Gunnarsson NV, Middelveld R, Ahlstedt S, Protudjer JLP. A scoping review of the caregiver burden of pediatric food allergy. Ann Allergy Asthma Immunol 2021; 127:536-547.e3. [PMID: 33971359 DOI: 10.1016/j.anai.2021.04.034] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/26/2021] [Accepted: 04/28/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Although a number of articles have described the psychosocial impact of raising a child with a food allergy, recent attempts at synthesizing this literature have been narrow in focus or methodologically limited. Consequently, this study aimed to synthesize both the quantitative and qualitative literature to achieve a better understanding of the psychosocial and financial burdens faced by families who raise children with food allergy. DATA SOURCES Searches were performed on PubMed, Scopus, PsycInfo, and Cumulative Index to Nursing and Allied Health Literature databases for articles related to the psychosocial and financial burden experienced by individuals who care for a child with food allergy. STUDY SELECTIONS English language, original research articles were included in this review. RESULTS A total of 54 articles were deemed eligible for review. Results from the quantitative literature revealed that parents of children with food allergy (ie, food allergy and food protein-induced enterocolitis, proctocolitis, and enteropathy) consistently reported lower quality of life than their comparison groups. Within-group analyses suggest that this burden is increased for parents who manage multiple food allergies, severe food allergy, and comorbid allergic conditions. Thematic synthesis of the qualitative literature suggests that the psychosocial burden shouldered by parents of children with food allergy stems, in part, from the unpredictable threat of exposure and the practical and social burdens of managing a food allergy. In addition to psychosocial burdens, a small but growing body of literature suggests that families with food allergy also incur greater financial costs. CONCLUSION Findings suggest that pediatric food allergy imposes considerable burdens on parents both quantitatively and qualitatively.
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Affiliation(s)
- Michael A Golding
- Children's Hospital Research Institute of Manitoba, Winnipeg, Canada; Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Canada
| | - Nina V Gunnarsson
- Department of Social Work, School of Health and Welfare, Jönköping University, Jönköping, Sweden
| | - Roelinde Middelveld
- Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Staffan Ahlstedt
- Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jennifer L P Protudjer
- Children's Hospital Research Institute of Manitoba, Winnipeg, Canada; Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Canada; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; George and Fay Yee Centre for Healthcare Innovation, Winnipeg, Canada; Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada.
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99
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Waserman S, Cruickshank H, Hildebrand KJ, Mack D, Bantock L, Bingemann T, Chu DK, Cuello-Garcia C, Ebisawa M, Fahmy D, Fleischer DM, Galloway L, Gartrell G, Greenhawt M, Hamilton N, Hourihane J, Langlois M, Loh R, Muraro A, Rosenfield L, Schoessler S, Tang MLK, Weitzner B, Wang J, Brozek JL. Prevention and management of allergic reactions to food in child care centers and schools: Practice guidelines. J Allergy Clin Immunol 2021; 147:1561-1578. [PMID: 33965093 DOI: 10.1016/j.jaci.2021.01.034] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 12/03/2020] [Accepted: 01/07/2021] [Indexed: 12/31/2022]
Abstract
Food allergy management in child care centers and schools is a controversial topic, for which evidence-based guidance is needed. Following the Grading of Recommendations Assessment, Development, and Evaluation approach, we conducted systematic literature reviews of the anticipated health effects of selected interventions for managing food allergy in child care centers and schools; we compiled data about the costs, feasibility, acceptability, and effects on health equity of the selected interventions; and we developed the following conditional recommendations: we suggest that child care centers and schools implement allergy training and action plans; we suggest that they use epinephrine (adrenaline) to treat suspected anaphylaxis; we suggest that they stock unassigned epinephrine autoinjectors, instead of requiring students to supply their own personal autoinjectors to be stored on site for designated at-school use; and we suggest that they do not implement site-wide food prohibitions (eg, "nut-free" schools) or allergen-restricted zones (eg, "milk-free" tables), except in the special circumstances identified in this document. The recommendations are labeled "conditional" due to the low quality of available evidence. More research is needed to determine with greater certainty which interventions are likely to be the most beneficial. Policymakers might need to adapt the recommendations to fit local circumstances.
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Affiliation(s)
- Susan Waserman
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
| | - Heather Cruickshank
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Kyla J Hildebrand
- Division of Allergy and Immunology, Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Douglas Mack
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Laura Bantock
- Department of Primary Medical Services, Sun Peaks Community Health Centre, Sun Peaks, British Columbia, Canada
| | - Theresa Bingemann
- Department of Allergy and Immunology, Rochester Regional Health, Rochester, NY; Division of Allergy, Immunology, and Rheumatology, University of Rochester, Rochester, NY
| | - Derek K Chu
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Carlos Cuello-Garcia
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada; Quality in Health Care Residency Program, Tecnologico de Monterrey School of Medicine, Monterrey, Mexico
| | - Motohiro Ebisawa
- Department of Allergy, Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital, National Hospital Organization, Sagamihara, Kanagawa, Japan
| | - David Fahmy
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - David M Fleischer
- Department of Pediatrics-Allergy/Immunology, University of Colorado School of Medicine, Aurora, Colo; Department of Allergy and Immunology, Children's Hospital Colorado, Aurora, Colo
| | - Lisa Galloway
- School District No. 73, Kamloops, British Columbia, Canada
| | - Greg Gartrell
- School District No. 73, Kamloops, British Columbia, Canada
| | - Matthew Greenhawt
- Department of Allergy and Immunology, Children's Hospital Colorado, Aurora, Colo
| | - Nicola Hamilton
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Jonathan Hourihane
- Department of Paediatrics and Child Health, University College Cork, Cork, Ireland; Department of Paediatrics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Michael Langlois
- District School Board of Niagara, St Catharines, Ontario, Canada
| | - Richard Loh
- Department of Immunology, Princess Margaret Hospital for Children, Subiaco, Australia
| | | | - Lana Rosenfield
- Section of Allergy and Clinical Immunology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - Mimi L K Tang
- Department of Paediatrics, The University of Melbourne, Melbourne, Australia; Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Australia
| | - Brenda Weitzner
- Department of Family Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Julie Wang
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Jan L Brozek
- Division of Clinical Immunology and Allergy, Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
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100
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Abstract
PURPOSE OF REVIEW The prevalence of food allergy is increasing on a global scale, and therefore increased attention is being paid to specific food allergy epidemiology and management. There has been a large amount of progress made in the last decade on human trials of wheat oral immunotherapy (WOIT). RECENT FINDINGS To date, there has been one multicenter, double-blind, randomized controlled trial of WOIT, one randomized, noncontrolled trial of WOIT, and several smaller, nonrandomized clinical trials of WOIT. WOIT trials are generally limited by smaller sample sizes, affecting the demographic skew of evaluated patients. In addition, there is minimal standardization of efficacy and safety outcomes between trial protocols, making head-to-head comparison challenging. However, some common themes emerge. The majority of WOIT regimens result in successful desensitization, and success is more likely with higher maintenance dosing for longer periods of time. Limited studies have looked at sustained unresponsiveness in WOIT. WOIT can induce allergic reactions, including anaphylaxis, but more severe reactions often have an associated augmenting factor, such as exercise. Lower maintenance doses likely are associated with less severe reactions, and food modification and/or adjunct therapeutics may also decrease the risk of reactions. SUMMARY WOIT trials are ongoing and will optimize updosing protocols and maintenance doses to improve efficacy and safety.
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