1
|
Wang J, Yang Y, Gong X. Interpretable machine learning for allergic rhinitis prediction among preschool children in Urumqi, China. Sci Rep 2024; 14:22281. [PMID: 39333659 DOI: 10.1038/s41598-024-73733-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Accepted: 09/20/2024] [Indexed: 09/29/2024] Open
Abstract
This study aimed to investigate the advantages and applications of machine learning models in predicting the risk of allergic rhinitis (AR) in children aged 2-8, compared to traditional logistic regression. The study analyzed questionnaire data from 7131 children aged 2-8, which was randomly divided into training, validation, and testing sets in a ratio of 55:15:30, repeated 100 times. Predictor variables included parental allergy, medical history during the child's first year (cfy), and early life environmental factors. The time of first onset of AR was restricted to after the age of 1 year to establish a clear temporal relationship between the predictor variables and the outcome. Feature engineering utilized the chi-square test and the Boruta algorithm, refining the dataset for analysis. The construction utilized Logistic Regression (LR), Support Vector Machine (SVM), Random Forest (RF), and Extreme Gradient Boosting Tree (XGBoost) as the models. Model performance was evaluated using the area under the receiver operating characteristic curve (AUROC), and the optimal decision threshold was determined by weighing multiple metrics on the validation sets and reporting results on the testing set. Additionally, the strengths and limitations of the different models were comprehensively analyzed by stratifying gender, mode of birth, and age subgroups, as well as by varying the number of predictor variables. Furthermore, methods such as Shapley additive explanations (SHAP) and purity of node partition in Random Forest were employed to assess feature importance, along with exploring model stability through alterations in the number of features. In this study, 7131 children aged 2-8 were analyzed, with 524 (7.35%) diagnosed with AR, with an onset age ranging from 2 to 8 years. Optimal parameters were refined using the validation set, and a rigorous process of 100 random divisions and repeated training ensured robust evaluation of the models on the testing set. The model construction involved incorporating fourteen variables, including the history of allergy-related diseases during the child's first year, familial genetic factors, and early-life indoor environmental factors. The performance of LR, SVM, RF, and XGBoost on the unstratified data test set was 0.715 (standard deviation = 0.023), 0.723 (0.022), 0.747 (0.015), and 0.733 (0.019), respectively; the performance of each model was stable on the stratified data, and the RF performance was significantly better than that of LR (paired samples t-test: p < 0.001). Different techniques for evaluating the importance of features showed that the top5 variables were father or mother with AR, having older siblings, history of food allergy and father's educational level. Utilizing strategies like stratification and adjusting the number of features, this study constructed a random forest model that outperforms traditional logistic regression. Specifically designed to detect the occurrence of allergic rhinitis (AR) in children aged 2-8, the model incorporates parental allergic history and early life environmental factors. The selection of the optimal cut-off value was determined through a comprehensive evaluation strategy. Additionally, we identified the top 5 crucial features that greatly influence the model's performance. This study serves as a valuable reference for implementing machine learning-based AR prediction in pediatric populations.
Collapse
Affiliation(s)
- Jinyang Wang
- Department of Clinical Medicine, Xinjiang Medical University, Urumqi, 830017, China
| | - Ye Yang
- Department of Geriatric integrative, Second Affiliated Hospital of Xinjiang Medical University, NO.38, South Lake East Road North Second Lane, Shuimogou District, Urumqi, 830063, Xinjiang, China.
| | - Xueli Gong
- Department of Pathophysiology, School of Basic Medical Science, Xinjiang Medical University, Urumqi, 830000, Xinjiang, China.
| |
Collapse
|
2
|
Hellberg U, Sverremark-Ekström E, Nopp A, Nilsson C. Allergy in Young Adults Associates with Elevated Fractional Exhaled Nitric Oxide Levels and IgE-Verified Parental Allergy but Is Confounded by Self-Reported Symptoms. Int Arch Allergy Immunol 2024:1-11. [PMID: 39068912 DOI: 10.1159/000539968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/19/2024] [Indexed: 07/30/2024] Open
Abstract
INTRODUCTION Knowledge of IgE-verified allergy in young adults is limited as most studies are based on self-reported data. Allergic heredity is important in allergy development in early life, but less is known about the hereditary component later in life. The aim was to investigate IgE-verified and self-reported allergy and asthma at 20 years of age in association to parental allergy and environmental factors. METHODS In total, 281 individuals born into the cohort of well-characterized parents regarding allergic disease were followed to 20 years of age. The participants were categorized by parental allergy and examined regarding allergic diseases (IgE sensitization and allergic symptoms) at 2, 5, 10, and 20 years of age. FeNO was measured at 10 and 20 years. RESULTS In total, 45% of the study participants were allergic, with twice as many self-reported cases at age 20. Rhinitis was key to distinguishing confirmed allergy from self-reported. Having two allergic parents and increased FeNO were associated with an increased prevalence of allergic disease at 20 years. From a longitudinal perspective, rhinitis increased from childhood to young adulthood, in all heredity groups. CONCLUSION In this longitudinal study, we have shown that two allergic parents as well as increased FeNO levels seem to be of importance for being allergic at 20 years old. Self-reported allergy was overreported - a result that should be considered in future survey-based reports on allergic diseases.
Collapse
Affiliation(s)
- Ulrika Hellberg
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sachs' Children and Youth Hospital, Stockholm, Sweden
| | - Eva Sverremark-Ekström
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Anna Nopp
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sachs' Children and Youth Hospital, Stockholm, Sweden
| | - Caroline Nilsson
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sachs' Children and Youth Hospital, Stockholm, Sweden
| |
Collapse
|
3
|
Harbottle Z, Nötzel A, Golding MA, Bhamra M, Kopsch I, Wilking E, Jonsson M, Abrams EM, Halbrich MA, Simons E, Roos LE, Keddy-Grant JA, Gerstner TV, St-Vincent JA, Ekström S, Protudjer JLP. Infantile atopic dermatitis - increasing severity predicts negative impacts on maternal and infant sleep: a mixed methods study. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2024; 20:21. [PMID: 38519963 PMCID: PMC10960393 DOI: 10.1186/s13223-024-00883-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 02/28/2024] [Indexed: 03/25/2024]
Abstract
BACKGROUND While the impacts of atopic dermatitis (AD) on maternal and child sleep outcomes have been previously explored, less is known about the associations between infantile AD and sleep quality and quantity. OBJECTIVE To describe the perceived causes of AD-associated maternal sleep disturbances and the association between AD severity and infant sleep outcomes. METHODS Mothers with infants aged < 19 months old with a diagnosis of AD were recruited from social media and medical clinics in Winnipeg, Canada between October 2021 and May 2022. Infant AD severity was classified using maternal-reported data on the Patient-Oriented Scoring Atopic Dermatitis tool (PO-SCORAD). Quantitative data were collected via a series of questionnaires with a subset of mothers subsequently completing semi-structured interviews. Quantitative and qualitative data were integrated in the discussion. RESULTS Mothers of infants with moderate/severe AD (6/12) were more likely to report their infant suffering from a higher degree of sleeplessness (i.e., ≥ 5 on a scale of 0-10) over the past 48 h compared to mothers of infants with mild AD (0/18). This was supported by qualitative findings where mothers described how their infant's sleep quality and quantity worsened with AD severity. Additionally, 7/32 mothers reported that their child's AD, regardless of severity, disturbed their sleep. Maternal sleep loss was most commonly attributed to infant itching (6/7), followed by worry (4/7). CONCLUSION Infantile AD severity was associated with worse sleep outcomes for both mothers and infants. We propose that maternal and infantile sleep quality and quantity can be improved by reducing AD severity through adherence to topical treatments.
Collapse
Affiliation(s)
- Zoe Harbottle
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB, Canada
| | | | - Michael A Golding
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada
| | - Manvir Bhamra
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB, Canada
| | | | | | - Marina Jonsson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Elissa M Abrams
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada
- Department of Pediatrics and Child Health, Section of Allergy and Clinical Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
- Division of Allergy and Immunology, Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Michelle A Halbrich
- Department of Pediatrics and Child Health, Section of Allergy and Clinical Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Elinor Simons
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada
- Department of Pediatrics and Child Health, Section of Allergy and Clinical Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
- Children's Allergy & Asthma Education Centre, Health Sciences Centre Winnipeg, Winnipeg, MB, Canada
| | - Leslie E Roos
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada
- Department of Psychology, Faculty of Arts, University of Manitoba, Winnipeg, MB, Canada
| | - Jill A Keddy-Grant
- Department of Pediatrics and Child Health, Section of Dermatology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Thomas V Gerstner
- Department of Pediatrics and Child Health, Section of Allergy and Clinical Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Jo-Anne St-Vincent
- Children's Allergy & Asthma Education Centre, Health Sciences Centre Winnipeg, Winnipeg, MB, Canada
| | - Sandra Ekström
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Jennifer L P Protudjer
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada.
- Children's Hospital Research Institute of Manitoba, 501G-715 McDermot Avenue, Winnipeg, MB, Canada.
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB, Canada.
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
- George and Fay Yee Centre for Healthcare Innovation, Winnipeg, MB, Canada.
| |
Collapse
|
4
|
Af Klinteberg M, Winberg A, Andersson M, Rönmark E, Hedman L. Decreasing prevalence of atopic dermatitis in Swedish schoolchildren: three repeated population-based surveys. Br J Dermatol 2024; 190:191-198. [PMID: 37776301 DOI: 10.1093/bjd/ljad370] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND The prevalence of atopic dermatitis (AD) has increased over several decades and now affects about one-fifth of all children in high-income countries (HICs). While the increase continues in lower-income countries, the prevalence of AD might have reached a plateau in HICs. OBJECTIVES To investigate trends in the prevalence of AD and atopic comorbidity in schoolchildren in Sweden. METHODS The study population consisted of three cohorts of children (median age 8 years) in Norrbotten, Sweden, for 1996 (n = 3430), 2006 (n = 2585) and 2017 (n = 2785). An identical questionnaire that included questions from the International Study of Asthma and Allergies in Childhood (ISAAC) protocol was used in all three cohorts. Trends in AD prevalence were estimated, as well as trends in atopic comorbidity. AD prevalence was estimated both according to the ISAAC definition of AD and by adding the reported diagnosis by a physician (D-AD). RESULTS The prevalence of AD decreased in the last decade, from 22.8% (1996) and 21.3% (2006) to 16.3% (2017; P < 0.001). The prevalence of D-AD was lower, but the same pattern of decrease was seen, from 9.3% (1996) and 9.4% (2006) to 5.7% (2017; P < 0.001). In all three cohorts, AD was more common among girls than boys (18.9% vs. 13.8% in 2017; P < 0.001). Children from the mountain inlands had a higher prevalence of AD than children from coastal cities (22.0% vs. 15.1% in 2017; P < 0.001). In comparing D-AD, there were no significant differences between the sexes or between inland or coastal living. Concomitant asthma increased over the years from 12.2% (1996) to 15.8% (2006) to 23.0% (2017; P < 0.001). Concomitant allergic rhinitis and allergic sensitization increased from 1996 (15.0% and 27.5%) to 2006 (24.7% and 49.5%) but then levelled off until 2017 (21.0% and 46.7%). CONCLUSIONS The prevalence of AD among schoolchildren in Sweden decreased over the study period, whereas atopic comorbidity among children with AD increased. Although a decrease was seen, AD is still common and the increase in atopic comorbidity among children with AD, especially the increase in asthma, is concerning.
Collapse
Affiliation(s)
- Maja Af Klinteberg
- Department of Public Health and Clinical Medicine, Dermatology and Venereology, Umeå University, Umeå, Sweden
| | - Anna Winberg
- Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
| | - Martin Andersson
- Department of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| | - Eva Rönmark
- Department of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| | - Linnea Hedman
- Department of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| |
Collapse
|
5
|
Vasileiadou S, Wennergren G, Celind FS, Goksör E. Low agreement between Swedish national registers and parental questionnaires on allergic rhinitis. Pediatr Allergy Immunol 2023; 34:e14051. [PMID: 38010009 DOI: 10.1111/pai.14051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/24/2023] [Accepted: 11/13/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND Allergic rhinitis (AR) has been well documented using questionnaire-based studies. Here, we examine the agreement between parental-reported data during childhood with the emphasis on 12-year-olds and data from two national Swedish registers to determine whether register data on AR can supplement or replace questionnaire data. METHODS Data were collected from a prospective, longitudinal cohort study of children born in western Sweden in 2003. Parental questionnaires were filled out at 6 months and one, four, eight, and 12 years of age. A total of 3634 children were linked to the Swedish Prescribed Drug Register (SPDR) and the National Patient Register (NPR) using personal identity numbers. The agreement between the register and questionnaire data was estimated using Cohen's kappa with 95% confidence intervals. RESULTS According to the SPDR, 9.9% (n = 360/3634) of the children were dispensed specific AR medication at 11-13 years of age compared with the 12 years questionnaire where 23% reported AR medication use during the last 12 months. The overall agreement between questionnaire and SPDR data on AR medication was slight (kappa 0.05). At 11-12 years, 1.8% (n = 65/3634) of the children received an outpatient AR diagnosis in the NPR, while 10% reported doctor-diagnosed AR in the questionnaire. The overall agreement between questionnaire and NPR data on AR diagnosis was slight (kappa 0.16). CONCLUSIONS There was poor agreement between questionnaire and register data regarding AR and dispensed medication. Explanations could include over-the-counter drugs and diagnosis in primary care, which are not included in the registers.
Collapse
Affiliation(s)
- Styliana Vasileiadou
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Göran Wennergren
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Frida Strömberg Celind
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Emma Goksör
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| |
Collapse
|
6
|
Bieber T. Disease modification in inflammatory skin disorders: opportunities and challenges. Nat Rev Drug Discov 2023; 22:662-680. [PMID: 37443275 DOI: 10.1038/s41573-023-00735-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2023] [Indexed: 07/15/2023]
Abstract
Progress in understanding of the mechanisms underlying chronic inflammatory skin disorders, such as atopic dermatitis and psoriasis vulgaris, has led to new treatment options with the primary goal of alleviating symptoms. In addition, this knowledge has the potential to inform on new strategies aimed at inducing deep and therapy-free remission, that is, disease modification, potentially impacting on associated comorbidities. However, to reach this goal, key areas require further exploration, including the definitions of disease modification and disease activity index, further understanding of disease mechanisms and systemic spillover effects, potential windows of opportunity, biomarkers for patient stratification and successful intervention, as well as appropriate study design. This Perspective article assesses the opportunities and challenges in the discovery and development of disease-modifying therapies for chronic inflammatory skin disorders.
Collapse
Affiliation(s)
- Thomas Bieber
- Department of Dermatology and Allergy, University Hospital, Bonn, Germany.
- Christine Kühne - Center for Allergy Research and Education, Davos, Switzerland.
- Davos Biosciences, Davos, Switzerland.
| |
Collapse
|
7
|
Guo Y, Zhang KY, Zou YF, Yu B. National situation, trends, and predictions of disease burden of atopic dermatitis in Chinese children and adolescents. Front Microbiol 2023; 14:1161969. [PMID: 37396371 PMCID: PMC10308015 DOI: 10.3389/fmicb.2023.1161969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/30/2023] [Indexed: 07/04/2023] Open
Abstract
Background Atopic dermatitis (AD) is an important global health problem affecting children and adolescents and detailed national information of disease burden in China is lacking. We aimed to evaluate the national disease burden of AD in Chinese children and adolescent, to provide the temporal trends over the past 30 years and to predict the burden for the next 10 years. Methods The data of AD in China, including incidence, prevalence, and DALY, and population data were obtained from the Global Burden of Disease Study 2019 (GBD study 2019), which were estimated using the DisMod-MR 2.1. We analyzed the three measures by age and sex; the age groups were <5 years, 5-9 years, 10-14 years, and 15-19 years. The joinpoint regression analyses was conducted to assess the temporal trends from 1990 to 2019. The Bayesian age-period cohort (BAPC) model was used to predict measures from 2020 to 2030. Results In 2019, the highest incidence case and rate were observed in <5 years group; for prevalence and disability adjusted life year (DALY), the groups of <5 years and 5-9 years showed similar higher levels and the groups of 10-14 years and 15-19 years had similar relatively lower levels. Overall, the male-to-female ratios were >1 in <5 years group and <1 in 10-14 and 15-19 age groups. The trend analyses found an overall trend of decrease in cases of the three measures; in recent about 3 years, slight increase trends were shown in cases and rates of the three measures in <5 years group. The prediction analyses found a slight decreasing trend for cases of these measures and a slight increasing trend for rates of these measures in the <5 years group in the next 10 years; the 5-9 years group was predicted to increase slightly in rates of the three measures. Conclusion In conclusion, the groups of <5 years and 5-9 years are two important populations that need targeted measures to reduce disease burden of AD in China. Regarding sex disparity, we should pay more attention to males in <5 years group and to females in 10-19 years group.
Collapse
|
8
|
Feng H, Chen Y, Xiong X, Xu Q, Zhang Z, Xi Q, Wu Y, Lu Y. Association of nutrients intake during pregnancy with the risk of allergic disease in offspring: a meta-analysis of prospective cohort studies. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
9
|
Multimorbidity of Allergic Conditions in Urban Citizens of Southern China: A Real-World Cross-Sectional Study. J Clin Med 2023; 12:jcm12062226. [PMID: 36983228 PMCID: PMC10059830 DOI: 10.3390/jcm12062226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/15/2023] [Accepted: 03/02/2023] [Indexed: 03/15/2023] Open
Abstract
Background: Extensive knowledge of allergic multimorbidities is required to improve the management of allergic diseases with the industrialization of China. However, the demography and allergen distribution patterns of allergic multimorbidities in China remain unclear, despite the increasing prevalence of allergies. Methods: This was a real-world, cross-sectional study of 1273 outpatients diagnosed with one or more allergic diseases in Guangzhou, the most populated city of southern China, with leading industrial and commercial centers, between April 2021 and March 2022. Seven allergic diseases (allergic rhinitis (AR), asthma (AS)/cough variant asthma (CVA), atopic dermatitis (AD)/eczema, food allergy (FA), allergic conjunctivitis (AC), drug allergy (DA), and anaphylaxis) were assessed. Positive rates of sensitization to different allergens were measured using an allergen detection system of the UniCAP (Pharmacia Diagnostics, Sweden) instrument platform to compare the groups of allergic multimorbidities against a single entity. Results: There were 659 (51.8%) males and 614 (48.2%) females aged from 4 months to 74 years included in the analysis. The study participants who were diagnosed with allergic diseases had an average of 1.6 diagnoses. Overall, 46.5% (592 of 1273) of the patients had more than one allergic condition, and allergic rhinitis was the most common type of multimorbidity. Women were more likely to suffer from an allergic disease alone, whereas allergic multimorbidities were more likely to be diagnosed in men (p = 0.005). In addition, allergic multimorbidities were common in all age groups, with an incidence ranging from 37.1% to 57.4%, in which children and adolescents were more frequently diagnosed with allergic multimorbidities than adults (18–60 years old) (all p < 0.05). Allergic multimorbidity was observed throughout the year. A difference in the positive rate of allergens sensitization and total immunoglobulin E (tIgE) levels between different allergic multimorbidities was observed. Conclusions: Allergic multimorbidities were very commonly found in nearly half of all patients with allergies. The proportion of allergic multimorbidities varied with the type of disease, sex, age, and allergen distribution pattern. These findings may help clinicians to develop “One health” strategies for the clinical management of allergic diseases.
Collapse
|
10
|
Joh HK, Kwon H, Son KY, Yun JM, Cho SH, Han K, Park JH, Cho B. Allergic Diseases and Risk of Incident Dementia and Alzheimer's Disease. Ann Neurol 2023; 93:384-397. [PMID: 36093572 DOI: 10.1002/ana.26506] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To examine the associations between the allergic triad (asthma, allergic rhinitis, atopic dermatitis) and risk of dementia. METHODS Participants comprised 6,785,948 adults aged ≥40 years who participated in a national health examination in 2009 without any history of dementia before baseline. From 2009 to 2017, we prospectively investigated the associations between physician-diagnosed allergic diseases and risk of incident dementia (all-cause, Alzheimer's disease [AD], vascular dementia [VaD]) ascertained using national health insurance claims data. RESULTS During 8.1 years of follow-up, 260,705 dementia cases (195,739 AD, 32,789 VaD) were identified. Allergic diseases were positively associated with dementia risk. Compared with individuals without allergic diseases, multivariable hazard ratios (HRs) of all-cause dementia were 1.20 (95% confidence interval [CI] 1.19-1.22) in those with asthma, 1.10 (95% CI 1.09-1.12) with allergic rhinitis, 1.16 (95% CI 1.11-1.21) with atopic dermatitis, and 1.13 (95% CI 1.12-1.14) with any of these allergies. Similarly, individuals with any of the allergic triad had a higher risk of AD (HR 1.16, 95% CI 1.14-1.17) and VaD (HR 1.04; 95% CI 1.01-1.06) than those without any allergic disease. As the number of comorbid allergic diseases increased, the risk of dementia increased linearly (Ptrend ≤ 0.002). Compared with individuals without allergies, those with all three allergic diseases had substantially increased risk of all-cause dementia (HR 1.54, 95% CI 1.35-1.75), AD (HR 1.46; 95% CI 1.25-1.70), and VaD (HR 1.99, 95% CI 1.44-2.75). INTERPRETATION Asthma, allergic rhinitis, and atopic dermatitis were significantly associated with increased risk of all-cause dementia and subtypes, with dose-effect relationships with the severity of allergic diseases. ANN NEUROL 2023;93:384-397.
Collapse
Affiliation(s)
- Hee-Kyung Joh
- Department of Medicine, Seoul National University College of Medicine, Seoul, Korea.,Department of Family Medicine, Seoul National University Health Service Center, Seoul, Korea.,Department of Family Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hyuktae Kwon
- Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.,Health Promotion Center, Seoul National University Hospital, Seoul, Korea.,Department of Family Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Ki Young Son
- Department of Family Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae Moon Yun
- Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.,Health Promotion Center, Seoul National University Hospital, Seoul, Korea
| | - Su Hwan Cho
- Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.,Health Promotion Center, Seoul National University Hospital, Seoul, Korea
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Korea
| | - Jin-Ho Park
- Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.,Health Promotion Center, Seoul National University Hospital, Seoul, Korea.,Department of Family Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Belong Cho
- Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.,Health Promotion Center, Seoul National University Hospital, Seoul, Korea.,Department of Family Medicine, Seoul National University College of Medicine, Seoul, Korea
| |
Collapse
|
11
|
Ödling M, Andersson N, Janson C, Melén E, Bergström A, Kull I. Health-related quality of life decreases in young people with asthma during the transition from adolescence to young adulthood: a birth cohort study. BMC Pulm Med 2023; 23:34. [PMID: 36694146 PMCID: PMC9872377 DOI: 10.1186/s12890-022-02259-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 11/23/2022] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND During the transition from paediatric to adult healthcare there is a gap between asthma guidelines and actual management with decreased healthcare consultations and dispensations of asthma medications after the transition to adult healthcare among young people with asthma. How health-related quality of life (HRQoL) develops during the transition from adolescence to young adulthood is unclear. Our aim was therefore to investigate HRQoL among young people with asthma during the transition to adulthood. Further, to assess if level of asthma control and physical activity influence any potential association between asthma and HRQoL. METHODS The study population consisted of 2268 participants from the ongoing Swedish population-based prospective birth cohort BAMSE (Barn/Child, Allergy, Milieu, Stockholm, Epidemiology). HRQoL was measured using the instrument EQ-5D-3 L and three general questions. The EQ-5D-3 L consists of the EQ-5D descriptive system and the EQ visual analogue scale (EQ VAS). The EQ-5D-3 L instrument and questions on general health, symptoms and treatment of asthma, and lifestyle factors were based on data from follow-ups at 16 and 24 years. Cross-sectional analyses were made. RESULTS At the 24-year follow-up, the adjusted median values of EQ VAS were lower compared with at the 16-year follow-up; among both participants with asthma (80 vs. 85, p < 0.01) and those without asthma (80 vs. 87, p < 0.01). At the 24-year follow-up, participants with uncontrolled asthma had a lower adjusted median EQ VAS score than peers with controlled/partly controlled asthma (75 vs. 80, p = 0.03). Further, young adults with asthma who did not fulfil the WHO recommendations on physical activity had lower EQ VAS scores than peers who did (70 vs. 80, p < 0.01). CONCLUSION HRQoL is lower in young adulthood than in adolescence. Young adults with asthma having uncontrolled disease or who are physically inactive appear to be particularly vulnerable.
Collapse
Affiliation(s)
- Maria Ödling
- grid.4714.60000 0004 1937 0626Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Niklas Andersson
- grid.4714.60000 0004 1937 0626Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Christer Janson
- grid.8993.b0000 0004 1936 9457Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Erik Melén
- grid.4714.60000 0004 1937 0626Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden ,grid.4714.60000 0004 1937 0626Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden ,grid.416452.0Sachs’ Children and Youth Hospital, Stockholm, Sweden
| | - Anna Bergström
- grid.4714.60000 0004 1937 0626Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden ,grid.425979.40000 0001 2326 2191Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Inger Kull
- grid.4714.60000 0004 1937 0626Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden ,grid.416452.0Sachs’ Children and Youth Hospital, Stockholm, Sweden
| |
Collapse
|
12
|
Jo EJ, Lee YU, Kim A, Park HK, Kim C. The prevalence of multiple chronic conditions and medical burden in asthma patients. PLoS One 2023; 18:e0286004. [PMID: 37200347 DOI: 10.1371/journal.pone.0286004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 05/06/2023] [Indexed: 05/20/2023] Open
Abstract
BACKGROUND The prevalence of multiple chronic conditions (MCC), defined as several coexisting chronic conditions, has increased with the aging of society. MCC is associated with poor outcomes, but most comorbid diseases in asthma patients have been evaluated as asthma-associated diseases. We investigated the morbidity of coexisting chronic diseases in asthma patients and their medical burdens. METHODS We analyzed data from the National Health Insurance Service-National Sample Cohort for 2002-2013. We defined MCC with asthma as a group of one or more chronic diseases in addition to asthma. We analyzed 20 chronic conditions, including asthma. Age was categorized into groups 1-5 (< 10, 10-29, 30-44, 45-64, and ≥ 65 years, respectively). The frequency of medical system use and associated costs were analyzed to determine the asthma-related medical burden in patients with MCC. RESULTS The prevalence of asthma was 13.01%, and the prevalence of MCC in asthmatic patients was 36.55%. The prevalence of MCC with asthma was higher in females than males and increased with age. The significant comorbidities were hypertension, dyslipidemia, arthritis, and diabetes. Dyslipidemia, arthritis, depression, and osteoporosis were more common in females than males. Hypertension, diabetes, COPD, coronary artery disease, cancer, and hepatitis were more prevalent in males than females. According to age, the most prevalent chronic condition in groups 1 and 2 was depression, dyslipidemia in group 3, and hypertension in groups 4 and 5. Older age, low income, and severe disability were independent risk factors for MCC in patients with asthma. The frequency of asthma-related medical system use and asthma-associated costs increased with increasing numbers of coexisting chronic diseases. CONCLUSION Comorbid chronic diseases in asthma patients differed according to age and sex. The asthma-related-medical burdens were highest in patients with five or more chronic conditions and groups 1 and 5.
Collapse
Affiliation(s)
- Eun-Jung Jo
- Department of Internal Medicine, School of Medicine, Pusan National University, Busan, Korea
- Department of Internal Medicine, Pusan National University Hospital, Busan, Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Young Uk Lee
- Department of Internal Medicine, Pusan National University Hospital, Busan, Korea
| | - Ahreum Kim
- Office of Public Healthcare Service, Pusan National University Hospital, Busan, Korea
| | - Hye-Kyung Park
- Department of Internal Medicine, School of Medicine, Pusan National University, Busan, Korea
- Department of Internal Medicine, Pusan National University Hospital, Busan, Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Changhoon Kim
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
- Office of Public Healthcare Service, Pusan National University Hospital, Busan, Korea
- Department of Preventive Medicine, School of Medicine, Pusan National University, Busan, Korea
| |
Collapse
|
13
|
Hedman L, Almqvist L, Bjerg A, Andersson M, Backman H, Perzanowski MS, Rönmark E. Early-life risk factors for development of asthma from 8 to 28 years of age: a prospective cohort study. ERJ Open Res 2022; 8:00074-2022. [PMID: 36655222 PMCID: PMC9835990 DOI: 10.1183/23120541.00074-2022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 06/16/2022] [Indexed: 01/21/2023] Open
Abstract
Background The objective was to estimate the incidence rate of asthma from age 8 to 28 years and evaluate early-life risk factors for asthma onset at different ages. Methods In 1996, within the Obstructive Lung Disease in Northern Sweden (OLIN) studies, a cohort of 3430 schoolchildren (97% of invited) was recruited at age 8 years to a prospective study about asthma. The cohort was followed annually from age 8 to 19 years and at 28 years by questionnaire surveys (67% of the original cohort participated). Asthma was categorised as never-asthma, onset age ≤8 years, onset age 9-13 years, onset age 14-19 years or onset age >19 years. Results Of the 3430 individuals in the cohort, 690 (20.1%) reported asthma in any survey. The average incidence rate was 10.0/1000 per year at ≤8 years, 11.9/1000 per year at 9-13 years, 13.3/1000 per year at 14-19 years and 6.1/1000 per year at >19 years. The incidence was higher among boys until age 10 years, but from age 15 years, it became higher among girls. Family history of asthma, allergic sensitisation and breastfeeding <3 months were associated with asthma onset throughout the study. Low birthweight, maternal smoking during pregnancy, severe respiratory infection, rhinoconjunctivitis and eczema were associated with asthma onset ≤8 and 9-13 years. Conclusions The incidence of asthma was high during childhood and the teenage period, and decreased substantially during young adulthood. Early-life factors were associated with asthma onset throughout childhood but had also a lasting effect on asthma incidence until adulthood.
Collapse
Affiliation(s)
- Linnéa Hedman
- Dept of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden,These authors contributed equally to first authorship
| | - Linnéa Almqvist
- Dept of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden,These authors contributed equally to first authorship
| | | | - Martin Andersson
- Dept of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| | - Helena Backman
- Dept of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| | - Matthew S. Perzanowski
- Dept of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Eva Rönmark
- Dept of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| |
Collapse
|
14
|
Chen Y, Chen W. Genome-Wide Integration of Genetic and Genomic Studies of Atopic Dermatitis: Insights into Genetic Architecture and Pathogenesis. J Invest Dermatol 2022; 142:2958-2967.e8. [PMID: 35577104 DOI: 10.1016/j.jid.2022.04.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/26/2022] [Accepted: 04/26/2022] [Indexed: 12/23/2022]
Abstract
Atopic dermatitis (AD) is a common heterogeneous, chronic, itching, and inflammatory skin disease. Genetic studies have identified multiple AD susceptibility genes. However, the genetic architecture of AD has not been elucidated. In this study, we conducted a large-scale meta-analysis of AD (35,647 cases and 1,013,885 controls) to characterize the genetic basis of AD. The heritability of AD in different datasets varied from 0.6 to 7.1%. We identified 31 previously unreported genes by integrating multiomics data. Among the 31 genes, MCL1 was identified as a potential treatment target for AD by mediating gene‒drug interactions. Tissue enrichment analyses and phenome-wide association study provided strong support for the role of the hemic and immune systems in AD. Across 1,207 complex traits and diseases, genetic correlations indicated that AD shared links with multiple respiratory phenotypes. The phenome-wide Mendelian randomization analysis (Mendelian randomization‒phenome-wide association study) revealed that the age of onset of diabetes exhibited a positive causal effect on AD (inverse-variance weighted β = 0.39, SEM = 0.09, P = 2.77 × 10-5). Overall, these results provide important insights into the genetic architecture of AD and will lead to a more thorough and complete understanding of the molecular mechanisms underlying AD.
Collapse
Affiliation(s)
- Yanxuan Chen
- Department of General Medicine, Shenzhen Longhua District Central Hospital, Shenzhen, China
| | - Wenyan Chen
- Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen, China.
| |
Collapse
|
15
|
Haider S, Fontanella S, Ullah A, Turner S, Simpson A, Roberts G, Murray CS, Holloway JW, Curtin JA, Cullinan P, Arshad SH, Hurault G, Granell R, Custovic A. Evolution of Eczema, Wheeze, and Rhinitis from Infancy to Early Adulthood: Four Birth Cohort Studies. Am J Respir Crit Care Med 2022; 206:950-960. [PMID: 35679320 PMCID: PMC9802000 DOI: 10.1164/rccm.202110-2418oc] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 06/09/2022] [Indexed: 01/07/2023] Open
Abstract
Rationale: The relationship between eczema, wheeze or asthma, and rhinitis is complex, and epidemiology and mechanisms of their comorbidities is unclear. Objectives: To investigate within-individual patterns of morbidity of eczema, wheeze, and rhinitis from birth to adolescence/early adulthood. Methods: We investigated onset, progression, and resolution of eczema, wheeze, and rhinitis using descriptive statistics, sequence mining, and latent Markov modeling in four population-based birth cohorts. We used logistic regression to ascertain if early-life eczema or wheeze, or genetic factors (filaggrin [FLG] mutations and 17q21 variants), increase the risk of multimorbidity. Measurements and Main Results: Single conditions, although the most prevalent, were observed significantly less frequently than by chance. There was considerable variation in the timing of onset/remission/persistence/intermittence. Multimorbidity of eczema+wheeze+rhinitis was rare but significantly overrepresented (three to six times more often than by chance). Although infantile eczema was associated with subsequent multimorbidity, most children with eczema (75.4%) did not progress to any multimorbidity pattern. FLG mutations and rs7216389 were not associated with persistence of eczema/wheeze as single conditions, but both increased the risk of multimorbidity (FLG by 2- to 3-fold, rs7216389 risk variant by 1.4- to 1.7-fold). Latent Markov modeling revealed five latent states (no disease/low risk, mainly eczema, mainly wheeze, mainly rhinitis, multimorbidity). The most likely transition to multimorbidity was from eczema state (0.21). However, although this was one of the highest transition probabilities, only one-fifth of those with eczema transitioned to multimorbidity. Conclusions: Atopic diseases fit a multimorbidity framework, with no evidence for sequential atopic march progression. The highest transition to multimorbidity was from eczema, but most children with eczema (more than three-quarters) had no comorbidities.
Collapse
Affiliation(s)
| | | | | | - Stephen Turner
- Royal Aberdeen Children’s Hospital National Health Service Grampian Aberdeen, Aberdeen, United Kingdom
- Child Health, University of Aberdeen, Aberdeen, United Kingdom
| | - Angela Simpson
- Division of Immunology, Immunity to Infection and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester Academic Health Science Centre, and Manchester University National Health Service Foundation Trust, Manchester, United Kingdom
| | - Graham Roberts
- Human Development and Health and
- National Institute for Health and Care Research Southampton Biomedical Research Centre, University Hospitals Southampton NHS Foundation Trust, Southampton, United Kingdom
- David Hide Asthma and Allergy Research Centre, Isle of Wight, United Kingdom; and
| | - Clare S. Murray
- Division of Immunology, Immunity to Infection and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester Academic Health Science Centre, and Manchester University National Health Service Foundation Trust, Manchester, United Kingdom
| | - John W. Holloway
- Human Development and Health and
- National Institute for Health and Care Research Southampton Biomedical Research Centre, University Hospitals Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - John A. Curtin
- Division of Immunology, Immunity to Infection and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester Academic Health Science Centre, and Manchester University National Health Service Foundation Trust, Manchester, United Kingdom
| | | | - Syed Hasan Arshad
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- National Institute for Health and Care Research Southampton Biomedical Research Centre, University Hospitals Southampton NHS Foundation Trust, Southampton, United Kingdom
- David Hide Asthma and Allergy Research Centre, Isle of Wight, United Kingdom; and
| | - Guillem Hurault
- Faculty of Engineering, Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Raquel Granell
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | | |
Collapse
|
16
|
Fasola S, Ferrante G, Cilluffo G, Malizia V, Alfano P, Montalbano L, Cuttitta G, La Grutta S. Asthma Comorbidities: Frequency, Risk Factors, and Associated Burden in Children and Adolescents. CHILDREN 2022; 9:children9071001. [PMID: 35883985 PMCID: PMC9322654 DOI: 10.3390/children9071001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 11/16/2022]
Abstract
Identifying asthma comorbidities in children is fundamental for improving disease management. We aimed to investigate the frequency of allergy-related comorbidities in children and adolescents with asthma, and to identify associated risk factors and disease burden. Between September 2015 and December 2018, 508 asthmatic patients (5–17 years) were consecutively enrolled. Parents answered a standardized questionnaire on the history of disease and risk factors. Comorbidities were classified based on the involvement of respiratory and/or extra-respiratory districts: asthma only (A, 13%), asthma with respiratory comorbidities (AR, 37%), asthma with extra-respiratory comorbidities (AER, 10%), and asthma with both respiratory and extra-respiratory comorbidities (ARER, 40%). Multinomial logistic regression showed that membership in the AR group was significantly associated with a maternal history of asthma (OR = 3.08, 95% CI: 1.23–7.72), breastfeeding ≥ three months (OR = 1.92, 1.06–3.46), early mold exposure (OR = 2.39, 1.12–5.11), and current environmental tobacco smoke exposure (OR = 2.06, 1.11–3.83). Membership in the AER group was significantly associated with the female gender (OR = 3.43, 1.54–7.68), breastfeeding ≥ three months (OR = 2.77, 1.23–6.22). ARER was significantly associated with all the aforementioned exposures. Patients with AR reported exacerbations in the last 12 months more frequently (p = 0.009). Several personal and environmental risk factors are associated with comorbidities in asthmatic children and adolescents, possibly worsening the disease burden.
Collapse
Affiliation(s)
- Salvatore Fasola
- Institute of Translational Pharmacology, National Research Council, 90146 Palermo, Italy; (V.M.); (P.A.); (L.M.); (G.C.); (S.L.G.)
- Correspondence:
| | - Giuliana Ferrante
- Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, Pediatric Division, University of Verona, 37134 Verona, Italy;
| | - Giovanna Cilluffo
- Department of Earth and Marine Sciences, University of Palermo, 90123 Palermo, Italy;
| | - Velia Malizia
- Institute of Translational Pharmacology, National Research Council, 90146 Palermo, Italy; (V.M.); (P.A.); (L.M.); (G.C.); (S.L.G.)
| | - Pietro Alfano
- Institute of Translational Pharmacology, National Research Council, 90146 Palermo, Italy; (V.M.); (P.A.); (L.M.); (G.C.); (S.L.G.)
| | - Laura Montalbano
- Institute of Translational Pharmacology, National Research Council, 90146 Palermo, Italy; (V.M.); (P.A.); (L.M.); (G.C.); (S.L.G.)
| | - Giuseppina Cuttitta
- Institute of Translational Pharmacology, National Research Council, 90146 Palermo, Italy; (V.M.); (P.A.); (L.M.); (G.C.); (S.L.G.)
| | - Stefania La Grutta
- Institute of Translational Pharmacology, National Research Council, 90146 Palermo, Italy; (V.M.); (P.A.); (L.M.); (G.C.); (S.L.G.)
| |
Collapse
|
17
|
Human Milk Metabolomics Are Related to Maternal Adiposity, Infant Growth Rate and Allergies: The Chinese Human Milk Project. Nutrients 2022; 14:nu14102097. [PMID: 35631238 PMCID: PMC9144552 DOI: 10.3390/nu14102097] [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: 03/24/2022] [Revised: 05/10/2022] [Accepted: 05/13/2022] [Indexed: 11/16/2022] Open
Abstract
The metabolomic profiles of Chinese human milk have been poorly documented. The objective of the study was to explore associations between human milk metabotypes, maternal adiposity, infant growth patterns, and risk of allergies. Two hundred mother−infant dyads from seven cities were randomly selected from the Chinese Human Milk Project (CHMP). Untargeted human milk metabolomic profiles were determined using HPLC-MS/MS. Two human milk metabotypes were identified using principal component analysis. Principal component (PC) 1 was characterized by high linoleic acid metabolites with low purine nucleosides and metabolites of glutamate and glutathione metabolism. PC 2 was characterized by high glycerophospholipids and sphingomyelins content. Higher PC1 scores were associated with slower infant growth rate and higher ambient temperature (p < 0.05). Higher PC 2 scores were related to higher maternal BMI and increased risk of infant allergies (p < 0.05). Future work is needed to understand the biologic mechanisms of these human milk metabotypes.
Collapse
|
18
|
Amberntsson A, Carlson Kjellberg E, van Odijk J, Mikkelsen A, Bärebring L, Augustin H. Atopic heredity modifies the association between maternal vitamin D status in pregnancy and the risk of atopic disease in childhood: an observational study. Nutr J 2022; 21:32. [PMID: 35578340 PMCID: PMC9112577 DOI: 10.1186/s12937-022-00787-9] [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: 01/31/2022] [Accepted: 05/12/2022] [Indexed: 11/10/2022] Open
Abstract
Background The relationship between maternal vitamin D status in pregnancy and the development of atopic diseases in the offspring has been frequently studied, but with contradictory results. Previous studies have found an inverse relation between maternal vitamin D in pregnancy and the risk of atopic diseases in the child. In contrast, others have found a higher maternal 25OHD to be related to a higher risk of atopic diseases. Thus, the aim was to investigate the associations between maternal vitamin D status and intake in pregnancy with asthma, eczema and food allergies in the children up to 5 years. In addition, effect modification by reported atopic heredity was studied. Methods Participants in the GraviD study had 25-hydroxyvitamin D (25OHD) analyzed in serum in early (T1) and late (T3) pregnancy. Maternal dietary vitamin D intake was estimated from a short food frequency questionnaire and supplement use by questionnaires. At 5 years of age the child´s history of asthma, eczema and food allergy, including atopic heredity, was reported by questionnaire. Multivariable logistic regression was used. Results The cumulative incidence of asthma was 13%, eczema 22%, and food allergy 18%. Only among children without reported atopic heredity, maternal 25OHD of 50–75 nmol/L in T1 was associated with lower odds of asthma (OR 0.271, 95% CI 0.127–0.580), compared to maternal 25OHD > 75 nmol/L. Additionally in these children, maternal 25OHD in T3 (continuous) was associated with asthma (OR 1.014, 95% CI 1.002–1.009), and dietary vitamin D intake with eczema (OR 1.141, 95% CI 1.011–1.288). Conclusions Among children without reported atopic heredity, higher maternal vitamin D status and intake during pregnancy was associated with increased risk of reported atopic disease. Supplementary Information The online version contains supplementary material available at 10.1186/s12937-022-00787-9.
Collapse
Affiliation(s)
- Anna Amberntsson
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Ellinor Carlson Kjellberg
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jenny van Odijk
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Andrea Mikkelsen
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Research and Development Primary Health Care, Gothenburg and Södra Bohuslän, Region Västra Götaland, Sweden
| | - Linnea Bärebring
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Hanna Augustin
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| |
Collapse
|
19
|
Olajide-Ibiejugba AO, Nkosi V, Takalani-Rathogwa F, Shirinde J, Wichmann J, Green RJ, Voyi K. Allergy and Household Living Conditions among Adolescents Living near Gold Mine Tailing Dumps in the Gauteng and North West Provinces of South Africa. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 19:122. [PMID: 35010377 PMCID: PMC8750766 DOI: 10.3390/ijerph19010122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/14/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
This quantitative exploratory baseline study aimed to investigate whether allergy among adolescents was associated with household living conditions, including living near gold mine tailing dumps in South Africa. A questionnaire based on the International Study of Asthma and Allergies was used to collect information on allergy and household risk factors among adolescents (n = 5611). A chi-square test was applied to determine the relationship between community (exposed/unexposed) and confounding variables. Crude and adjusted odds ratios (ORs) and 95% confidence intervals (CI) were calculated using univariate and multiple logistic regression analysis (LRA) to estimate the likelihood of having doctor-diagnosed allergies. The overall prevalence of doctor-diagnosed allergies was 25.5%. The exposed communities had a higher prevalence of doctor-diagnosed allergies (26.97%) compared with the unexposed (22.69%) communities. The study found an association between doctor-diagnosed allergy and having fungus in the house, being female, currently having pets in and around the house, residing in the community for more than three years and living in communities located close to gold mine tailing dumps. Actions to implement buffer zones between gold mine tailing dumps and communities would support Sustainable Development Goals 3 (health) and 11 (sustainable cities and communities), while failing to address the current potential identified risk factors may pose a significant public health challenge. Local policymakers should also apply the precautionary principle to protect the health of children, especially with the location of human settlements relative to air pollution sources.
Collapse
Affiliation(s)
- Abike O. Olajide-Ibiejugba
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa; (A.O.O.-I.); (J.S.); (J.W.); (K.V.)
| | - Vusumuzi Nkosi
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa; (A.O.O.-I.); (J.S.); (J.W.); (K.V.)
- Environment and Health Research Unit, South African Medical Research Council, Johannesburg 2094, South Africa
- Department of Environmental Health, Faculty of Health Sciences, Doornfontein Campus, University of Johannesburg, Johannesburg 2094, South Africa
| | - Funzani Takalani-Rathogwa
- Department of Advanced Nursing Science, Faculty of Health Sciences, University of Venda, Thohoyandou 0950, South Africa;
| | - Joyce Shirinde
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa; (A.O.O.-I.); (J.S.); (J.W.); (K.V.)
| | - Janine Wichmann
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa; (A.O.O.-I.); (J.S.); (J.W.); (K.V.)
| | - Robin J. Green
- Steve Biko Academic Hospital, Department of Paediatrics and Child Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa;
| | - Kuku Voyi
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa; (A.O.O.-I.); (J.S.); (J.W.); (K.V.)
| |
Collapse
|
20
|
Barrier Impairment and Type 2 Inflammation in Allergic Diseases: The Pediatric Perspective. CHILDREN (BASEL, SWITZERLAND) 2021; 8:children8121165. [PMID: 34943362 PMCID: PMC8700706 DOI: 10.3390/children8121165] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/30/2021] [Accepted: 11/30/2021] [Indexed: 01/02/2023]
Abstract
Allergic diseases represent a global burden. Although the patho-physiological mechanisms are still poorly understood, epithelial barrier dysfunction and Th2 inflammatory response play a pivotal role. Barrier dysfunction, characterized by a loss of differentiation, reduced junctional integrity, and altered innate defence, underpins the pathogenesis of allergic diseases. Epithelial barrier impairment may be a potential therapeutic target for new treatment strategies Up now, monoclonal antibodies and new molecules targeting specific pathways of the immune response have been developed, and others are under investigation, both for adult and paediatric populations, which are affected by atopic dermatitis (AD), asthma, allergic rhinitis (AR), chronic rhinosinusitis with nasal polyps (CRSwNP), or eosinophilic esophagitis (EoE). In children affected by severe asthma biologics targeting IgE, IL-5 and against IL-4 and IL-13 receptors are already available, and they have also been applied in CRSwNP. In severe AD Dupilumab, a biologic which inhibits both IL-4 and IL-13, the most important cytokines involved in inflammation response, has been approved for treatment of patients over 12 years. While a biological approach has already shown great efficacy on the treatment of severe atopic conditions, early intervention to restore epithelial barrier integrity, and function may prevent the inflammatory response and the development of the atopic march.
Collapse
|
21
|
Sdona E, Georgakou AV, Ekström S, Bergström A. Dietary Fibre Intake in Relation to Asthma, Rhinitis and Lung Function Impairment-A Systematic Review of Observational Studies. Nutrients 2021; 13:nu13103594. [PMID: 34684594 PMCID: PMC8539618 DOI: 10.3390/nu13103594] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/21/2022] Open
Abstract
A high intake of dietary fibre has been associated with a reduced risk of several chronic diseases. This study aimed to review the current evidence on dietary fibre in relation to asthma, rhinitis and lung function impairment. Electronic databases were searched in June 2021 for studies on the association between dietary fibre and asthma, rhinitis, chronic obstructive pulmonary disease (COPD) and lung function. Observational studies with cross-sectional, case–control or prospective designs were included. Studies on animals, case studies and intervention studies were excluded. The quality of the evidence from individual studies was evaluated using the RoB-NObs tool. The World Cancer Research Fund criteria were used to grade the strength of the evidence. Twenty studies were included in this systematic review, of which ten were cohort studies, eight cross-sectional and two case–control studies. Fibre intake during pregnancy or childhood was examined in three studies, while seventeen studies examined the intake during adulthood. There was probable evidence for an inverse association between dietary fibre and COPD and suggestive evidence for a positive association with lung function. However, the evidence regarding asthma and rhinitis was limited and inconsistent. Further research is needed on dietary fibre intake and asthma, rhinitis and lung function among adults and children.
Collapse
Affiliation(s)
- Emmanouela Sdona
- Institute of Environmental Medicine, Karolinska Institute, 171 77 Stockholm, Sweden; (A.V.G.); (S.E.); (A.B.)
- Correspondence:
| | - Athina Vasiliki Georgakou
- Institute of Environmental Medicine, Karolinska Institute, 171 77 Stockholm, Sweden; (A.V.G.); (S.E.); (A.B.)
| | - Sandra Ekström
- Institute of Environmental Medicine, Karolinska Institute, 171 77 Stockholm, Sweden; (A.V.G.); (S.E.); (A.B.)
- Centre for Occupational and Environmental Medicine, Region Stockholm, 113 65 Stockholm, Sweden
| | - Anna Bergström
- Institute of Environmental Medicine, Karolinska Institute, 171 77 Stockholm, Sweden; (A.V.G.); (S.E.); (A.B.)
- Centre for Occupational and Environmental Medicine, Region Stockholm, 113 65 Stockholm, Sweden
| |
Collapse
|
22
|
Raimondo A, Lembo S. Atopic Dermatitis: Epidemiology and Clinical Phenotypes. Dermatol Pract Concept 2021; 11:e2021146. [PMID: 35024238 DOI: 10.5826/dpc.1104a146] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/14/2021] [Indexed: 10/31/2022] Open
Abstract
Atopic dermatitis (AD) is a chronic, lifelong, relapsing condition. The wide spectrum of the possible clinical presentations, depending on patient' s age, age of onset of disease, topography and morphology of dermatitis, limits the epidemiologic information on its prevalence and incidence. A clear definition of the different clinical AD phenotypes and epidemiology is essential for an appropriate patient's treatment and management, in particular for adults. This review summarizes the most recent epidemiologic data from the 21st century, on AD prevalence and incidence rates either in children or adults, with a special focus on their trends in Europe. Moreover, an effort to categorize diverse AD clinical expressions, has been made, aiming to facilitate differential diagnosis and speed up the start of the correct therapy.
Collapse
Affiliation(s)
- Annunziata Raimondo
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
| | - Serena Lembo
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
| |
Collapse
|
23
|
Fulmali A, Kimkool P. Is sublingual immunotherapy for asthma effective and safe? Clin Exp Allergy 2021; 51:1407-1409. [PMID: 34476860 DOI: 10.1111/cea.14005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 08/24/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Amruta Fulmali
- University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | | |
Collapse
|
24
|
Sigurdardottir ST, Jonasson K, Clausen M, Lilja Bjornsdottir K, Sigurdardottir SE, Roberts G, Grimshaw K, Papadopoulos NG, Xepapadaki P, Fiandor A, Quirce S, Sprikkelman AB, Hulshof L, Kowalski ML, Kurowski M, Dubakiene R, Rudzeviciene O, Bellach J, Yürek S, Reich A, Erhard SM, Couch P, Rivas MF, van Ree R, Mills C, Grabenhenrich L, Beyer K, Keil T. Prevalence and early-life risk factors of school-age allergic multimorbidity: The EuroPrevall-iFAAM birth cohort. Allergy 2021; 76:2855-2865. [PMID: 33934363 PMCID: PMC8453757 DOI: 10.1111/all.14857] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/04/2021] [Accepted: 02/22/2021] [Indexed: 01/01/2023]
Abstract
Background Coexistence of childhood asthma, eczema and allergic rhinitis is higher than can be expected by chance, suggesting a common mechanism. Data on allergic multimorbidity from a pan‐European, population‐based birth cohort study have been lacking. This study compares the prevalence and early‐life risk factors of these diseases in European primary school children. Methods In the prospective multicentre observational EuroPrevall‐iFAAM birth cohort study, we used standardized questionnaires on sociodemographics, medical history, parental allergies and lifestyle, and environmental exposures at birth, 12 and 24 months. At primary school age, parents answered ISAAC‐based questions on current asthma, rhinitis and eczema. Allergic multimorbidity was defined as the coexistence of at least two of these. Results From 10,563 children recruited at birth in 8 study centres, we included data from 5,572 children (mean age 8.2 years; 51.8% boys). Prevalence estimates were as follows: asthma, 8.1%; allergic rhinitis, 13.3%; and eczema, 12.0%. Allergic multimorbidity was seen in 7.0% of the whole cohort, ranging from 1.2% (Athens, Greece) to 10.9% (Madrid, Spain). Risk factors for allergic multimorbidity, identified with AICc, included family‐allergy‐score, odds ratio (OR) 1.50 (95% CI 1.32–1.70) per standard deviation; early‐life allergy symptoms, OR 2.72 (2.34–3.16) for each symptom; and caesarean birth, OR 1.35 (1.04–1.76). Female gender, OR 0.72 (0.58–0.90); older siblings, OR 0.79 (0.63–0.99); and day care, OR 0.81 (0.63–1.06) were protective factors. Conclusion Allergic multimorbidity should be regarded as an important chronic childhood disease in Europe. Some of the associated early‐life factors are modifiable and may be considered for prevention strategies.
Collapse
Affiliation(s)
- Sigurveig T. Sigurdardottir
- Landspitali University Hospital Reykjavik Iceland
- Faculty of Medicine University of Iceland Reykjavik Iceland
| | - Kristjan Jonasson
- Department of Computer Science University of Iceland Reykjavík Iceland
| | - Michael Clausen
- Children's Hospital Reykjavik Reykjavik Iceland
- Department of Allergy Landspitali University Hospital Reykjavik Iceland
| | | | | | - Graham Roberts
- Human Development and Health & Clinical and Experimental Sciences Faculty of Medicine University of Southampton UK
- NIHR Southampton Biomedical Research Centre University Hospital Southampton NHS Foundation Trust Southampton UK
- The David Hide Asthma and Allergy Research Centre St Mary’s Hospital Isle of Wight UK
| | - Kate Grimshaw
- Dietetic Department Salford Royal NHS Foundation Trust UK
- Clinical and Experimental Sciences Faculty of Medicine University of Southampton UK
- Division of Infection, Immunity and Respiratory Medicine School of Biological Sciences Manchester Institute of Biotechnology University of Manchester Manchester UK
| | - Nikolaos G. Papadopoulos
- Allergy Department 2nd Pediatric Clinic National and Kapodistrian University of Athens Athens Greece
- Division of Infection, Immunity & Respiratory Medicine University of Manchester Manchester UK
| | - Paraskevi Xepapadaki
- Allergy Department 2nd Pediatric Clinic National and Kapodistrian University of Athens Athens Greece
| | - Ana Fiandor
- Department of Allergy La Paz University Hospital IdiPAZ Madrid Spain
| | - Santiago Quirce
- Department of Allergy La Paz University Hospital IdiPAZ Madrid Spain
| | - Aline B. Sprikkelman
- Department of Pediatric Pulmonology and Pediatric Allergology University Medical Center Groningen University of Groningen The Netherlands
| | - Lies Hulshof
- Department of Pediatric Pulmonology and Pediatric Allergology Emma Children's Hospital Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
| | - Marek L. Kowalski
- Department of Immunology, Allergy and Rheumatology Medical University of Lodz Lodz Poland
| | - Marcin Kurowski
- Department of Immunology, Allergy and Rheumatology Medical University of Lodz Lodz Poland
| | - Ruta Dubakiene
- Medical Faculty Clinic of Chest Diseases, Allergology and Immunology Vilnius University Vilnius Lithuania
| | - Odilija Rudzeviciene
- Faculty of Medicine Clinic of Children’s Diseases Vilnius University Vilnius Lithuania
| | - Johanna Bellach
- Department of Paediatric Pneumology and Immunology Charité – Universitätsmedizin Berlin Berlin Germany
| | - Songül Yürek
- Department of Paediatric Pneumology and Immunology Charité – Universitätsmedizin Berlin Berlin Germany
| | - Andreas Reich
- Epidemiology Unit German Rheumatism Research Centre Berlin Germany
| | - Sina Maria Erhard
- Institute of Social Medicine, Epidemiology and Health Economics Charité – Universitätsmedizin Berlin Berlin Germany
| | - Philip Couch
- Centre for Health Informatics School of Health Sciences The University of Manchester Manchester UK
| | | | - Ronald van Ree
- Departments of Experimental Immunology and of Otorhinolaryngology Amsterdam University Medical Centers Amsterdam The Netherlands
| | - Clare Mills
- Institute of Inflammation and Repair University of Manchester Manchester UK
| | - Linus Grabenhenrich
- Department for Infectious Disease Epidemiology Robert Koch‐Institut Berlin Germany
| | - Kirsten Beyer
- Department of Paediatric Pneumology and Immunology Charité – Universitätsmedizin Berlin Berlin Germany
| | - Thomas Keil
- Institute of Social Medicine, Epidemiology and Health Economics Charité – Universitätsmedizin Berlin Berlin Germany
- Institute of Clinical Epidemiology and Biometry University of Würzburg Würzburg Germany
- State Institute of Health Bavarian Health and Food Safety Authority Bad Kissingen Germany
| |
Collapse
|
25
|
Cooper PJ, Ster IC, Chico ME, Vaca M, Barreto ML, Strachan DP. Patterns of allergic sensitization and factors associated with emergence of sensitization in the rural tropics early in the life course: findings of an Ecuadorian birth cohort. FRONTIERS IN ALLERGY 2021; 2:687073. [PMID: 34888545 PMCID: PMC7612078 DOI: 10.3389/falgy.2021.687073] [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] [Indexed: 11/13/2022] Open
Abstract
Introduction There are limited data on emergence of allergic sensitization (or atopy) during childhood in tropical regions. Methods We followed a birth cohort of 2404 newborns to 8 years in tropical Ecuador and collected: risk factor data by maternal questionnaires periodically from birth; atopy was measured by skin prick test reactivity (SPT) to aeroallergens in parents, and aeroallergens and food allergens in children at 2, 3, 5, and 8 years; and stool samples for soil-transmitted helminths (STH) from children periodically to 8 years and from parents and household members at the time of recruitment of cohort children. Data on risk factors were measured either at birth or repeatedly (time-varying) from birth to 8 years. Longitudinal repeated-measures analyses were done using generalized estimating equations to estimate an the age-dependent risk of positive SPT (SPT+) to any allergen or mite during early childhood to school age. Results SPT+ to any allergen was present in 29.0% of fathers and 24.8% of mothers, and in cohort children increased with age, initially to mite but later to cockroach, reaching 14.8% to any allergen (10.7% mite and 5.3% cockroach) at 8 years. Maternal SPT+, particularly presence of polysensitization (OR 2.04, 95% CI 1.49-2.77) significantly increased the risk of SPT+ during childhood, while household overcrowding at birth decreased the risk (OR 0.84, 95% CI 0.72-0.98). For mite sensitization, maternal polysensitization increased (OR 2.14, 95% CI 1.40-3.27) but rural residence (OR 0.69, 95% CI 0.50-0.94) and birth order (3rd -4th vs. 1st - 2nd: OR 0.71, 95% CI 0.52-0.98) decreased the risk. Time-varying exposures to agricultural activities (OR 0.77, 95% CI 0.60-0.98) and STH parasites (OR 0.70, 95% CI 0.64-0.91) during childhood decreased while anthelmintics increased the childhood risk (OR 1.47, 95% CI 1.05-2.05) of mite sensitization. Conclusion Our data showed the emergence of allergic sensitization, primarily to mite and cockroach allergens, during childhood in tropical Ecuador. A role for both antenatal and postnatal factors acting as potential determinants of SPT+ emergence was observed.
Collapse
Affiliation(s)
- Philip J Cooper
- Institute of Infection and Immunity, St George's University of London, London, UK.,Escuela de Medicina, Universidad Internacional del Ecuador, Quito, Ecuador.,Fundacion Ecuatoriana Para Investigacion en Salud, Quito, Ecuador
| | - Irina Chis Ster
- Institute of Infection and Immunity, St George's University of London, London, UK
| | - Martha E Chico
- Fundacion Ecuatoriana Para Investigacion en Salud, Quito, Ecuador
| | - Maritza Vaca
- Fundacion Ecuatoriana Para Investigacion en Salud, Quito, Ecuador
| | - Mauricio L Barreto
- Center for Data and Knowledge Integration for Health (CIDACS)-FIOCRUZ, Salvador, Brazil
| | - David P Strachan
- Population Health Research Institute, St George's University of London, London, UK
| |
Collapse
|
26
|
Jonsson M, Ekström S, Protudjer JLP, Bergström A, Kull I. Living with Food Hypersensitivity as an Adolescent Impairs Health Related Quality of Life Irrespective of Disease Severity: Results from a Population-Based Birth Cohort. Nutrients 2021; 13:nu13072357. [PMID: 34371866 PMCID: PMC8308910 DOI: 10.3390/nu13072357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 01/01/2023] Open
Abstract
Food hypersensitivity (FHS) refers to food-related symptoms, with or without concurrent Immunoglobulin E (IgE) antibodies related to food(s). It remains unclear how different FHS phenotypes affect health-related quality of life (HRQoL). We examined self-reported HRQoL (with the generic instrument EQ-5D (dimensions and a Visual Analogue Scale (VAS), range 0–100) in association with phenotypes of FHS, and food-specific symptoms among adolescents (n = 2990) from a population-based birth cohort. Overall, 22% of the adolescents had FHS. Compared to adolescents without FHS, those with FHS reported more problems in the dimensions of pain/discomfort (p < 0.001), and anxiety/depression (p = 0.007). Females with FHS reported more problems than males in these dimensions (p < 0.001). Different FHS phenotypes (IgE-sensitization, allergic co-morbidity, and severity of symptoms) were not associated with differences in HRQoL. EQ-VAS scores were lowest for adolescents with symptoms for wheat vs. no wheat, median 80 vs. 89, p = 0.04) and milk vs. no milk (median 85 vs. 90, p = 0.03). Physician-diagnosed lactose intolerance median EQ-VAS was 80 vs. 90, p = 0.03 and also associated with more problems in the dimension of anxious/depression. In conclusion, FHS is associated with lower HRQoL in adolescence, irrespective of phenotypes, but differentially affects females vs. males, and those with vs. without symptoms for milk or wheat.
Collapse
Affiliation(s)
- Marina Jonsson
- Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden; (S.E.); (A.B.)
- Centre for Occupational and Environmental Medicine, Region Stockholm, Solnavägen 4, 113 65 Stockholm, Sweden
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, 118 83 Stockholm, Sweden;
- Correspondence:
| | - Sandra Ekström
- Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden; (S.E.); (A.B.)
- Centre for Occupational and Environmental Medicine, Region Stockholm, Solnavägen 4, 113 65 Stockholm, Sweden
| | - Jennifer L. P. Protudjer
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3A 1S1, Canada;
- George and Fay Yee Centre for Healthcare Innovation, Winnipeg, MB R3E 0T6, Canada
- The Children’s Hospital Research Institute of Manitoba, Winnipeg, MB R3E 3P4, Canada
- The Centre for Allergy Research, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Anna Bergström
- Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden; (S.E.); (A.B.)
- Centre for Occupational and Environmental Medicine, Region Stockholm, Solnavägen 4, 113 65 Stockholm, Sweden
| | - Inger Kull
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, 118 83 Stockholm, Sweden;
- Sachs’ Children and Youth Hospital, 118 83 Stockholm, Sweden
| |
Collapse
|
27
|
Jung M, Kim MJ, Kim S, Kyung Y, Kim M, Lee JY, Jeong HI, Lee BR, Kim J, Ahn K, Park YM. Effect of prenatal phthalate exposure on childhood atopic dermatitis: A systematic review and meta-analysis. Allergy Asthma Proc 2021; 42:e116-e125. [PMID: 34187630 DOI: 10.2500/aap.2021.42.210036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background: The association between prenatal exposure to phthalate and childhood atopic dermatitis (AD) has previously been investigated; however, the results are inconsistent. Objective: We aimed to perform a systematic review and meta-analysis of birth cohort studies to investigate whether prenatal exposure to phthalate increases the risk of developing AD in children. Methods: We performed an electronic search of medical literature data bases. Studies were critically appraised, and a meta-analysis was performed. Results: Among 129 articles identified, 11 studies met the eligibility criteria. Included studies originated from Europe (n = 5), the United States (n = 4), and Asia (n = 2). The study sample size ranged from 147 to 1024 mother-child pairs. Quality assessment by using the Newcastle-Ottawa scale of all the studies had scores of ≥6. A meta-analysis of data from eight selected studies suggested that monobenzyl phthalate (MBzP) exposure was significantly associated with the risk of AD development (odds ratio 1.16 [95% confidence interval, 1.04-1.31]; I² = 17.36%). However, AD development was not associated with other phthalate metabolites, such as mono-(2-ethylhexyl) phthalate, monoethyl phthalate, mono-isobutyl phthalate, mono-n-butyl phthalate, and the sum of di-[2-ethylhexyl] phthalate on the development of AD (all p values were > 0.05). Conclusion: Our meta-analysis suggested that prenatal exposure to phthalates may be associated with the development of childhood AD. However, further research is needed because only MBzP showed statistical significance and the number of articles in the literature is still insufficient.
Collapse
Affiliation(s)
- Minyoung Jung
- From the Department of Pediatrics, Kosin University Gospel Hospital, Kosin University School of Medicine, Busan, Republic of Korea
| | - Min-Ji Kim
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Seonwoo Kim
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Yechan Kyung
- Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea
| | - Minji Kim
- Department of Pediatrics, Chungnam National University College of Medicine, Chungnam National University Sejong Hospital, Sejong, Republic of Korea
| | - Ji Young Lee
- Department of Pediatrics, Hallym University Chuncheon Sacred Heart Hospital, Chuncheon, Republic of Korea
| | - Hye-In Jeong
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Bo Ra Lee
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jihyun Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Yong Mean Park
- Department of Pediatrics, Konkuk University Medical Center, Seoul, Republic of Korea
| |
Collapse
|
28
|
Wang X, Zhuang Y, Chen Y, Wang H, Wang X. Prevalence of adult eczema, hay fever, and asthma, and associated risk factors: a population-based study in the northern Grassland of China. Allergy Asthma Clin Immunol 2021; 17:27. [PMID: 33750462 PMCID: PMC7941905 DOI: 10.1186/s13223-021-00532-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 02/23/2021] [Indexed: 12/12/2022] Open
Abstract
Background There has been research about the prevalence and risk factors of eczema, hay fever, and asthma in children, but little is known about these conditions in adults in China. Objectives To explore the prevalence of adult eczema/atopic dermatitis (AD) and its risk factors in northern China. Methods A cluster sampling randomized population-based survey was conducted using a face-to-face questionnaire combined with skin prick tests of ten common aeroallergens including nine pollen allergens and Dermatophagoides pteronyssinu (Dp) allergen. The questionnaire was designed by specialists and included questions on the prevalence of eczema, hay fever, and asthma, socioeconomic risk factors, family history of atopy and environmental exposures. The prevalence of eczema with asthma and/or hay fever (EAH) was applied as a proxy of AD in this study. Results Overall, 2096 subjects were enrolled and completed the study. The prevalence of eczema was 15.7% (95% CI 14.3–17.4), while the prevalence of hay fever and asthma were 20.6% (95% CI 18.9–22.4) and 6.5% (95% CI 5.5–7.6), respectively. In particular, the prevalence of EAH was 5.1% (95% CI 4.4–7.0). The prevalence of eczema and EAH was significantly associated with younger age, atopy family history, high education level, urbanization, and antibiotic overuse (P < 0.05, logistic regression). The sensitization rate was higher in EAH compared with eczema (48.2% vs 41.0%, P = 0.018), with weed pollen sensitization being the most common. Subjects with two or more concomitant allergic diseases had increased risk of eczema and EAH (P < 0.001). Allergen sensitization increased the risk of eczema and EAH (P < 0.001, both). Conclusions Adult eczema and EAH are prevalent in northern China under high pollen exposure. Socioeconomic and environmental factors affected the prevalence of adult AD in China. Dp had a particular impact on the prevalence of eczema/AD in the grassland region.
Collapse
Affiliation(s)
- Xiaoyan Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, No. 10, Tieyi Road, Haidian District, Beijing, 100038, China.,Allergy Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China
| | - Yan Zhuang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, No. 10, Tieyi Road, Haidian District, Beijing, 100038, China.,Allergy Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China
| | - Yanlei Chen
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, No. 10, Tieyi Road, Haidian District, Beijing, 100038, China.,Allergy Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China
| | - Hongtian Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, No. 10, Tieyi Road, Haidian District, Beijing, 100038, China.,Allergy Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China
| | - Xueyan Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, No. 10, Tieyi Road, Haidian District, Beijing, 100038, China. .,Allergy Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China.
| |
Collapse
|
29
|
Dubovyi A, Chelimo C, Schierding W, Bisyuk Y, Camargo CA, Grant CC. A systematic review of asthma case definitions in 67 birth cohort studies. Paediatr Respir Rev 2021; 37:89-98. [PMID: 32653466 DOI: 10.1016/j.prrv.2019.12.005] [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: 12/11/2019] [Accepted: 12/23/2019] [Indexed: 01/19/2023]
Abstract
BACKGROUND Birth cohort studies are a valuable source of information about potential risk factors for childhood asthma. To better understand similarities and variations in findings between birth cohort studies, the methodologies used to measure asthma require consideration. OBJECTIVE To review and appraise the definitions of "asthma" used in birth cohort studies. METHODS A literature search, conducted in December 2017 in the MEDLINE database and birth cohort repositories, identified 1721 citations published since 1990. Information extracted included: study name, year of publication, sample size, sample age, prevalence of asthma (%), study region, source of information about asthma, measured outcome, and asthma case definition. A meta-analysis evaluated whether asthma prevalence in cohorts from Europe and North America varied by the studies' definition of asthma and by their data sources. RESULTS The final review included 67 birth cohorts, of which 48 (72%) were from Europe, 14 (21%) from North America, 3 (5%) from Oceania, 1 (1%) from Asia and 1 (1%) from South America. We identified three measured outcomes: "asthma ever", "current asthma", and "asthma" without further specification. Definitions of "asthma ever" were primarily based upon an affirmative parental response to the question whether the child had ever been diagnosed with asthma by a physician. The most frequently used definition of "current asthma" was "asthma ever" and either asthma symptoms or asthma medications in the last 12 months. This definition of "current asthma" was used in 16 cohorts. There was no statistically significant difference in the pooled asthma prevalence in European and North American cohorts that used questionnaire alone versus other data sources to classify asthma. CONCLUSION There is substantial heterogeneity in childhood asthma definitions in birth cohort studies. Standardisation of asthma case definitions will improve the comparability and utility of future cohort studies and enable meta-analyses.
Collapse
Affiliation(s)
- Andrew Dubovyi
- Centre for Longitudinal Research, University of Auckland, Auckland, New Zealand; Department of Paediatrics: Child & Youth Health, University of Auckland, Auckland, New Zealand
| | - Carol Chelimo
- Department of Paediatrics: Child & Youth Health, University of Auckland, Auckland, New Zealand
| | | | - Yuriy Bisyuk
- Shupyk National Medical Academy of Postgraduate Education, Kyiv, Ukraine
| | - Carlos A Camargo
- Massachusetts General Hospital, Harvard Medical School, Boston, USA
| | - Cameron C Grant
- Centre for Longitudinal Research, University of Auckland, Auckland, New Zealand; Department of Paediatrics: Child & Youth Health, University of Auckland, Auckland, New Zealand; General Paediatrics, Starship Children's Hospital, Auckland, New Zealand.
| |
Collapse
|
30
|
Ödling M, Wang G, Andersson N, Hallberg J, Janson C, Bergström A, Melén E, Kull I. Characterization of Asthma Trajectories from Infancy to Young Adulthood. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:2368-2376.e3. [PMID: 33607340 DOI: 10.1016/j.jaip.2021.02.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 02/03/2021] [Accepted: 02/03/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Development of asthma is complicated by the multidimensional nature of the disease. OBJECTIVE To identify and characterize trajectories of asthma from infancy to young adulthood, and their associations with lung function and inflammatory and respiratory markers in adolescence and young adulthood. METHODS A latent class analysis was performed in a population-based cohort (N = 4089). Parental and self-reported symptoms of asthma were used to investigate asthma development. We characterized background factors, allergic comorbidity, and IgE sensitization and investigated associations with asthma markers. RESULTS A 4-class solution of asthma trajectories was identified: never/infrequent (n = 3291 [80.4%]), early-onset transient (n = 307 [7.5%]), adolescent-onset (n = 261 [6.4%]), and persistent asthma (n = 230 [5.6%]). Uncontrolled asthma was equally prevalent in the adolescent-onset and persistent asthma trajectory groups, at both age 16 (41.7% vs 42.4%; P = .90) and 24 years (53.7% vs 52.4%; P = .81). The persistent asthma trajectory group had a higher proportion of eosinophil counts greater than or equal to 0.3 (109 cells/L) at age 24 years compared with the adolescent-onset trajectory group (31.0% vs 18.5%; P < .01). CONCLUSIONS The adolescent-onset and persistent asthma trajectory groups had equal burdens of asthma control in adolescence and young adulthood. However, the persistent asthma trajectory group showed more signs of type 2 inflammation than the adolescent-onset trajectory group. This unbiased approach highlights the need of identifying patients with adolescent asthma to optimize care, because they suffer the same lack of asthma control as those with persistent asthma.
Collapse
Affiliation(s)
- Maria Ödling
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden.
| | - Gang Wang
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Department of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Sichuan, China; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Niklas Andersson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jenny Hallberg
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Sachs' Children and Youth Hospital, Stockholm, Sweden
| | - Christer Janson
- Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Anna Bergström
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Erik Melén
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Sachs' Children and Youth Hospital, Stockholm, Sweden
| | - Inger Kull
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Sachs' Children and Youth Hospital, Stockholm, Sweden
| |
Collapse
|
31
|
Pullerits T, Rönmark EP, Ekerljung L, Palmqvist MA, Arvidsson M, Mincheva R, Backman H, Kankaanranta H, Ilmarinen P, Rådinger M, Lundbäck B, Nwaru BI. The triad of current asthma, rhinitis and eczema is uncommon among adults: Prevalence, sensitization profiles, and risk factors. Respir Med 2020; 176:106250. [PMID: 33385738 DOI: 10.1016/j.rmed.2020.106250] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 11/19/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND Coexistence of asthma, rhinitis, and eczema has been studied in children, but data are lacking in adults. As new treatments emerge, epidemiological data on the coexistence are needed. AIMS To study the prevalence of concomitant asthma, rhinitis and eczema in the general adult population and among those sensitized to aeroallergens, and to study associations between background characteristics and risks of phenotypes of asthma, rhinitis, and eczema. METHODS In the West Sweden Asthma Study, phenotypes and sensitization profiles of 1103 randomly selected adults (16-75 years) were assessed. The methods included measures of serum-IgE and structured interviews on asthma, rhinitis, eczema, their associated symptoms, and relevant risk factors. RESULTS Among all participants and in those sensitized, 2% and 6% had concomitant asthma, rhinitis, and eczema, respectively, and the condition did not differ by age or sex. Corresponding figures for asthma and rhinitis, but not eczema, was 8% and 19%, respectively. Determinants of coexistence of the three conditions were family history of asthma/allergy, body mass index, and occupational exposure to gas, dust and fumes. Allergic sensitization in those with asthma, rhinitis and eczema was found in 78%, in those with asthma and rhinitis but not eczema in 65%, in those with asthma and eczema but not rhinitis in 40%, while only 5% were sensitized among those having asthma only. CONCLUSIONS In the general adult population about 2% have concomitant asthma, rhinitis, and eczema. Of sensitized adults, about 6% has coexistence of the three conditions.
Collapse
Affiliation(s)
- Teet Pullerits
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden; Respiratory Medicine and Allergy, Department of Internal Medicine & Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden; Section of Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden.
| | - Erik P Rönmark
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden.
| | - Linda Ekerljung
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden.
| | - Mona Andersson Palmqvist
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden; Respiratory Medicine and Allergy, Department of Internal Medicine & Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden; Section of Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden.
| | - Monica Arvidsson
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden; Respiratory Medicine and Allergy, Department of Internal Medicine & Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden; Section of Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden.
| | - Roxana Mincheva
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden; Respiratory Medicine and Allergy, Department of Internal Medicine & Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden.
| | - Helena Backman
- Dept of Public Health and Clinical Medicine, Section of Sustainable Health/the OLIN Unit, Umeå University, Umeå, Sweden.
| | - Hannu Kankaanranta
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden; Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland; Department of Respiratory Medicine, Seinäjoki Central Hospital, Seinäjoki, Finland.
| | - Pinja Ilmarinen
- Department of Respiratory Medicine, Seinäjoki Central Hospital, Seinäjoki, Finland.
| | | | - Bo Lundbäck
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden.
| | - Bright I Nwaru
- Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden; Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden.
| |
Collapse
|
32
|
Mpairwe H, Nkurunungi G, Tumwesige P, Akurut H, Namutebi M, Nambuya I, Nnaluwooza M, Apule B, Onen C, Katongole T, Niwagaba E, Mukasa M, Webb EL, Elliott AM, Pearce N. Risk factors associated with rhinitis, allergic conjunctivitis and eczema among schoolchildren in Uganda. Clin Exp Allergy 2020; 51:108-119. [PMID: 33098716 PMCID: PMC7612100 DOI: 10.1111/cea.13769] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/31/2020] [Accepted: 10/19/2020] [Indexed: 01/19/2023]
Abstract
Background The prevalence of allergy-related diseases (ARDs), including rhinitis, allergic conjunctivitis and eczema, is on the increase globally. The causes of this increase are not well established. Objectives To investigate the risk factors associated with ARDs among schoolchildren in Uganda. Methods We conducted a secondary data analysis of a large asthma case–control study involving 1700 schoolchildren, 5–17 years, in urban Uganda. ARDs were defined according to the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire. Skin prick testing (SPT) was conducted using standard procedures and allergen-specific IgE (asIgE) using ImmunoCAP®. We employed inverse probability weighted analysis to generate estimated prevalence data and weighted odds ratios. Results The lifetime estimated weighted prevalence of reported rhinitis, allergic conjunctivitis and eczema was 43.3%, 39.5% and 13.5%; weighted prevalence in 12 months was 10.1%, 9.1% and 2.3%, respectively. There was overlap of ARDs, with 66.3% of 1193 schoolchildren who reported having ever an ARDs (including asthma) reporting two or more. Risk factors associated with reported rhinitis in the last 12 months were city residence at birth [adjusted odds ratio (95% confidence interval) 2.66 (1.42–4.99) compared to rural]; father’s [2.62 (1.79–3.83)] and mother’s history of allergic disease [2.12 (1.48–3.02)]; frequent de-worming in the last 12 months [2.01 (1.30–3.11), ≥2 versus none]; current high frequency of ‘trucks passing on the street near home’ [2.59 (1.48–4.52), ‘almost all the time’ versus rarely] and positive SPT [1.54 (1.09–2.18)] but not asIgE [1.38 (0.60–3.15)]. The same pattern of risk factors was observed for allergic conjunctivitis and eczema. Conclusion We found extensive multi-morbidity of, and overlap in the risk factors for, rhinitis, conjunctivitis and eczema—similar to asthma risk factors—among schoolchildren in urban Uganda. This suggests a similar underlying cause for all ARDs, associated with exposure to urban lifestyles and environment in Uganda.
Collapse
Affiliation(s)
- Harriet Mpairwe
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda.,London School of Hygiene and Tropical Medicine, London, UK
| | - Gyaviira Nkurunungi
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Pius Tumwesige
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Hellen Akurut
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Milly Namutebi
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Irene Nambuya
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Marble Nnaluwooza
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Barbara Apule
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Caroline Onen
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Tonny Katongole
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Emmanuel Niwagaba
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Mike Mukasa
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Emily L Webb
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda.,London School of Hygiene and Tropical Medicine, London, UK
| | - Alison M Elliott
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda.,London School of Hygiene and Tropical Medicine, London, UK
| | - Neil Pearce
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda.,London School of Hygiene and Tropical Medicine, London, UK
| |
Collapse
|
33
|
Pedersen CJ, Uddin MJ, Saha SK, Darmstadt GL. Prevalence of atopic dermatitis, asthma and rhinitis from infancy through adulthood in rural Bangladesh: a population-based, cross-sectional survey. BMJ Open 2020; 10:e042380. [PMID: 33148768 PMCID: PMC7643529 DOI: 10.1136/bmjopen-2020-042380] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE Describe the pattern of atopic disease prevalence from infancy to adulthood. DESIGN Cross-sectional household survey. SETTING Community-based demographic surveillance site, Mirzapur, Bangladesh. PARTICIPANTS 7275 individuals in randomly selected clusters within 156 villages. PRIMARY AND SECONDARY OUTCOME MEASURES The 12-month prevalence of atopic dermatitis (by UK Working Party Criteria (UK criteria) and International Study of Asthma and Allergies in Childhood (ISAAC)), asthma and rhinitis (by ISAAC); disease severity (by ISAAC); history of ever receiving a medical diagnosis. RESULTS Children aged 2 years had the highest prevalence of atopic dermatitis-18.8% (95% CI 15.2% to 22.4%) by UK criteria and 14.9% (95% CI 11.6% to 18.1%) by ISAAC- and asthma (20.1%, 95% CI 16.4% to 23.8%). Prevalence of rhinitis was highest among 25-29 year olds (6.0%, (95% CI% 4.5 to 7.4%). History of a medical diagnosis was lowest for atopic dermatitis (4.0%) and highest for rhinitis (27.3%) and was significantly associated with severe disease compared with those without severe disease for all three conditions (atopic dermatitis: 30.0% vs 11.7%, p=0.015; asthma; 85.0% vs 60.4%, p<0.001; rhinitis: 34.2% vs 7.3%, p<0.001) and having a higher asset-based wealth score for asthma (29.7% (highest quintile) vs 7.5% (lowest quintile), p<0.001) and rhinitis (39.8% vs 12.5%, p=0.003). Prevalence of having >1 condition was highest (36.2%) at 2 years and decreased with age. Having atopic dermatitis (ISAAC) was associated with significantly increased odds ratios (OR) for comorbid asthma (OR 5.56 (95% CI 4.26 to 7.26)] and rhinitis (3.68 (95% CI 2.73 to 4.96)). Asthma and rhinitis were also strongly associated with each other (OR 8.39 (95% CI 6.48 to 10.86)). CONCLUSIONS Atopic disease burden was high in this rural Bangladeshi population. Having one atopic condition was significantly associated with the presence of another. Low incidence of ever obtaining a medical diagnosis highlights an important opportunity to increase availability of affordable diagnosis and treatment options for all age groups.
Collapse
Affiliation(s)
- Courtney J Pedersen
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Samir K Saha
- Child Health Research Foundation, Dhaka, Bangladesh
| | - Gary L Darmstadt
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| |
Collapse
|
34
|
Blöndal V, Malinovschi A, Sundbom F, James A, Middelveld R, Franklin KA, Lundbäck B, Janson C. Multimorbidity in asthma, association with allergy, inflammatory markers and symptom burden, results from the Swedish GA 2 LEN study. Clin Exp Allergy 2020; 51:262-272. [PMID: 33053244 PMCID: PMC7983924 DOI: 10.1111/cea.13759] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/10/2020] [Accepted: 10/03/2020] [Indexed: 12/19/2022]
Abstract
Background Asthma is common worldwide and a large part of subjects with asthma have concomitant allergic multimorbidity in the form of rhinitis and/or eczema. Objective The aim of this study is to investigate whether the presence of allergic multimorbidity in asthma relates to allergic sensitization, allergic and respiratory symptoms, quality of life, inflammatory markers, lung function, use of medication and background factors. Methods A total of 437 asthmatics from the (GA2LEN) cross‐sectional survey in Sweden were grouped depending on the presence of rhinitis and/or eczema. The impact of allergic multimorbidity was assessed in terms of allergic sensitization, allergic and respiratory symptoms, quality of life, type‐2 inflammatory markers (exhaled nitric oxide, eosinophil activation markers, periostin), lung function, use of medication and background factors. Results Subjects with asthma, rhinitis and eczema were more likely to be sensitized to seasonal allergens (67% vs 32%, P < .001), food allergens (54% vs 18%, P < .001) and to have a higher degree of sensitization than subjects with only asthma (23% vs 10%, P < .001). Subjects with allergic multimorbidity more often had allergic reactions to food (28% vs 10%, P = .002), more respiratory symptoms and anxiety/depression (40% vs, 14%, P < .001) than subjects with only asthma, despite having similar levels of type 2 inflammatory markers. Individuals with allergic multimorbidity were more likely to be diagnosed with asthma before the age of 12 (48% vs 27%, P = .016) and to have maternal heredity for allergy (53% vs 33%, P = .011) than subjects with only asthma. Conclusion and clinical relevance Asthmatics with allergic multimorbidity are more likely to be sensitized to seasonal aeroallergens, food allergens and they have a higher degree of sensitization compared with those with only asthma. Allergic multimorbidity is associated with respiratory and allergy symptoms, anxiety and/or depression.
Collapse
Affiliation(s)
- Viiu Blöndal
- Department of Medical Sciences, Respiratory, Allergy and Sleep Research Unit, Uppsala University, Uppsala, Sweden
| | - Andrei Malinovschi
- Department of Medical Sciences, Clinical Physiology, Uppsala University, Uppsala, Sweden
| | - Fredrik Sundbom
- Department of Medical Sciences, Respiratory, Allergy and Sleep Research Unit, Uppsala University, Uppsala, Sweden
| | - Anna James
- The Centre for Allergy Research and Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Roelinde Middelveld
- The Centre for Allergy Research and Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | - Bo Lundbäck
- Department of Internal Medicine, Krefting Research Centre, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Christer Janson
- Department of Medical Sciences, Respiratory, Allergy and Sleep Research Unit, Uppsala University, Uppsala, Sweden
| |
Collapse
|
35
|
Dierick BJH, van der Molen T, Flokstra-de Blok BMJ, Muraro A, Postma MJ, Kocks JWH, van Boven JFM. Burden and socioeconomics of asthma, allergic rhinitis, atopic dermatitis and food allergy. Expert Rev Pharmacoecon Outcomes Res 2020; 20:437-453. [PMID: 32902346 DOI: 10.1080/14737167.2020.1819793] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Asthma, allergic rhinitis, atopic dermatitis, and food allergy affect approximately 20% of the global population. Few studies describe the burden of the totality of these diseases and only a handful studies provide a comprehensive overview of the socioeconomic impact of these diseases. AREAS COVERED For this narrative review, we searched Pubmed using selected keywords and inspected relevant references using a snowballing process. We provide an overview of the socioeconomic burden of allergic diseases (in particular, asthma, allergic rhinitis, atopic dermatitis, and food allergy). The focus of this review is on their epidemiology (incidence, prevalence), burden (disability-adjusted life years, quality of life), and direct and indirect costs (absenteeism and presenteeism). We have put special emphasis on differences between countries. EXPERT COMMENTARY Both the prevalence and the burden of allergic diseases are considerable with prevalence varying between 1% and 20%. We identified a plethora of studies on asthma, but studies were generally difficult to compare due to the heterogeneity in measures used. There were only few studies on the burden of food allergy; therefore, more studies on this allergy are required. For future studies, we recommend standardizing epidemiologic, socioeconomic impact, and quality of life measures of allergic diseases.
Collapse
Affiliation(s)
- Boudewijn J H Dierick
- Department of General Practice & Elderly Care Medicine, University of Groningen, University Medical Center Groningen , Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC) , Groningen, The Netherlands
| | - Thys van der Molen
- Department of General Practice & Elderly Care Medicine, University of Groningen, University Medical Center Groningen , Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC) , Groningen, The Netherlands
| | - Bertine M J Flokstra-de Blok
- Groningen Research Institute for Asthma and COPD (GRIAC) , Groningen, The Netherlands.,General Practitioners Research Institute , Groningen, The Netherlands
| | - Antonella Muraro
- Food Allergy Centre, Department of Woman and Child Health, Padua University Hospital , Padua, Italy
| | - Maarten J Postma
- Department of Health Sciences, Unit of Global Health Economics, University of Groningen, University Medical Center Groningen , Groningen, The Netherlands
| | - Janwillem W H Kocks
- Groningen Research Institute for Asthma and COPD (GRIAC) , Groningen, The Netherlands.,General Practitioners Research Institute , Groningen, The Netherlands
| | - Job F M van Boven
- Groningen Research Institute for Asthma and COPD (GRIAC) , Groningen, The Netherlands.,Department of Clinical Pharmacy & Pharmacology, University of Groningen, University Medical Center Groningen , Groningen, The Netherlands
| |
Collapse
|
36
|
High Frequency of Concomitant Food Allergy Development and Autoantibody Formation in Children Who Have Undergone Liver Transplantation. Transplantation 2020; 103:2338-2346. [PMID: 30985574 DOI: 10.1097/tp.0000000000002751] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Allergy and other immune-mediated diseases are more frequently reported in children who have undergone liver transplantation. Furthermore, autoantibodies are also prevalent, suggesting a state of immune dysregulation in these patients. Whether or not these processes occur simultaneously in the same individual has not been studied previously. METHODS A cohort of 43 children who had undergone liver transplantation for nonautoimmune liver disease at median age of 1.3 years was investigated for allergy and autoimmune disease. Sensitization to food and inhalant allergens was assessed, and autoantibodies were measured. RESULTS The prevalence of food allergy was 26% and that of respiratory allergy was 23%, whereas 33% and 26% of the subjects were sensitized to food and inhalant allergens, respectively. Autoimmune disease (ie, autoimmune hepatitis) occurred in a single individual (2%), whereas autoantibodies were present in 44% of the children. Food allergy and autoantibodies occurred concomitantly in 19% of the children, which was almost twice the frequency expected by chance (11%, P = 0.04). Respiratory allergy and the presence of autoantibodies were unrelated (12% concurrence versus the expected 10%, P = 0.73). In the logistic regression analysis, autoantibody formation was associated with discontinued immunosuppression and food allergy, with odds ratios of 13 (P = 0.01) and 7.1 (P = 0.03), respectively. CONCLUSIONS In contrast to respiratory allergy, food allergy and autoantibody formation occurred together in the same children who underwent liver transplantation at a frequency higher than would be expected by chance. This may reflect an underlying immune dysregulation that impairs immune tolerance to both food allergens and autoantigens.
Collapse
|
37
|
Rada S, Strohmaier S, Drucker AM, Eliassen AH, Schernhammer ES. Night shift work surrounding pregnancy and offspring risk of atopic disease. PLoS One 2020; 15:e0231784. [PMID: 32298373 PMCID: PMC7161965 DOI: 10.1371/journal.pone.0231784] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/31/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Night shift work surrounding pregnancy may contribute to the risk of developing atopic diseases in offspring due to alterations in the prenatal environment, from stress. OBJECTIVE To examine the association of maternal night shift work surrounding pregnancy and offspring risk of developing atopic diseases from childhood to adolescence. METHODS We examined the association between night shift work before and during pregnancy among 4,044 mothers in the Nurses' Health Study II (NHSII) and atopic dermatitis, asthma and hay fever risk in 4,813 of their offspring enrolled in the Growing Up Today Study (GUTS). Mothers reported whether GUTS participants had ever been diagnosed with atopic dermatitis, asthma or hay fever in the GUTS Mothers' questionnaire. Generalized estimating equation regression models were used to estimate multivariable adjusted odds ratios (OR) and 95% confidence intervals (CIs). RESULTS There were no significant associations between pre-conception maternal night shift work and risk of atopic dermatitis, asthma or hay fever in their offspring. Among 545 mothers with information on night shift work during pregnancy, shift work also was not associated with atopic dermatitis, asthma or hay fever in the offspring. Stratified analyses by history of parental atopy and maternal chronotype showed some statistically significant findings, but they were inconsistent and no significant interaction was seen with increasing duration of night shift work. CONCLUSION In this study, night shift work before and during pregnancy did not increase offspring risk of developing atopic dermatitis, asthma or hay fever.
Collapse
Affiliation(s)
- Samantha Rada
- Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
| | - Susanne Strohmaier
- Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Aaron M. Drucker
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Canada
- Department of Medicine, Women’s College Research Institute, Women’s College Hospital, Toronto, Canada
| | - A. Heather Eliassen
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Eva S. Schernhammer
- Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| |
Collapse
|
38
|
Paller AS, Fölster-Holst R, Chen SC, Diepgen TL, Elmets C, Margolis DJ, Pollock BH. No evidence of increased cancer incidence in children using topical tacrolimus for atopic dermatitis. J Am Acad Dermatol 2020; 83:375-381. [PMID: 32246968 DOI: 10.1016/j.jaad.2020.03.075] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 03/17/2020] [Accepted: 03/24/2020] [Indexed: 11/16/2022]
Abstract
BACKGROUND Long-term safety of topical calcineurin inhibitors is not well understood. APPLES (A Prospective Pediatric Longitudinal Evaluation to Assess the Long-Term Safety of Tacrolimus Ointment for the Treatment of Atopic Dermatitis; NCT00475605) examined incidence of lymphoma and other cancers in a pediatric population with atopic dermatitis. OBJECTIVE To quantify incident malignancies during 10 years in children with atopic dermatitis who used topical tacrolimus for ≥6 weeks. METHODS Standardized incidence ratios for cancer events were analyzed relative to sex-, age-, and race-matched control data from national cancer registries. RESULTS There were 7954 eligible patients enrolled at 314 sites in 9 countries. During 44,629 person-years, 6 confirmed incident cancers occurred (standardized incidence ratio, 1.01; 95% confidence interval, 0.37-2.20). No lymphomas occurred. LIMITATIONS Observational prospective cohort study. CONCLUSION The cancer incidence was as expected, given matched background data. This finding provides no support for the hypothesis that topical tacrolimus increases long-term cancer risk in children with atopic dermatitis.
Collapse
Affiliation(s)
- Amy S Paller
- Departments of Dermatology and Pediatrics, Northwestern University School of Medicine, Chicago, Illinois.
| | - Regina Fölster-Holst
- The Department of Dermatology, University Clinics, Schleswig-Holstein Campus, Kiel, Germany
| | - Suephy C Chen
- The Department of Dermatology, Emory University School of Medicine and Regional TeleHealth Service VISN7, Atlanta, Georgia
| | - Thomas L Diepgen
- The Department of Clinical Social Medicine, Occupational & Environmental Dermatology, University Hospital Heidelberg at Ruprecht-Karls University Heidelberg, Heidelberg, Germany
| | - Craig Elmets
- The Department of Dermatology and the O'Neal Comprehensive Cancer Center, University of Alabama School of Medicine, Birmingham, Alabama
| | - David J Margolis
- The Departments of Dermatology and Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - Brad H Pollock
- The Department of Public Health Sciences, School of Medicine, University of California, Davis, California
| |
Collapse
|
39
|
Kansen HM, Le TM, Uiterwaal C, van Ewijk BE, Balemans W, Gorissen D, de Vries E, van Velzen MF, Slabbers G, Meijer Y, Knulst AC, van der Ent CK, van Erp FC. Prevalence and Predictors of Uncontrolled Asthma in Children Referred for Asthma and Other Atopic Diseases. J Asthma Allergy 2020; 13:67-75. [PMID: 32099412 PMCID: PMC6999583 DOI: 10.2147/jaa.s231907] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/13/2019] [Indexed: 11/23/2022] Open
Abstract
Background Uncontrolled asthma in children is still highly prevalent despite the availability of effective asthma treatment. We investigated 1) the prevalence of uncontrolled asthma among children referred for asthma and referred for atopic diseases other than asthma (ie food allergy, allergic rhinitis or atopic dermatitis) to secondary care; and 2) the predictors associated with uncontrolled asthma. Methods All children (4 to 18 years) referred for asthma or atopic diseases other than asthma to 8 secondary care centers in The Netherlands were invited to an electronic portal (EP). The EP is a web-based application with several validated questionnaires including the ISAAC questionnaires and the Asthma Control Test (ACT). Children were eligible for inclusion in this study when their parents reported in the EP that their child had asthma diagnosed by a physician. The ACT was used to assess asthma control. Multiple predictors of asthma control (patient, asthma and atopic characteristics) were evaluated by univariable and multivariable logistic regression analyses. Results We included 408 children: 259 children (63%) with asthma referred for asthma and 149 children (37%) with asthma referred for atopic diseases other than asthma. Thirty-nine percent of all children had uncontrolled asthma: 47% of the children referred for asthma and 26% of the children referred for atopic diseases other than asthma. Predictors associated with uncontrolled asthma were a family history of asthma (odds ratio [OR] 2.08; 95% confidence interval [95% CI] 1.34 to 3.24), and recurrent upper and lower respiratory tract infections in the past year (OR 2.40; 95% CI 1.52 to 3.81 and OR 2.00; 95% CI 1.25 to 3.23, respectively). Conclusion Uncontrolled asthma is highly prevalent in children with asthma referred to secondary care, even if children are primarily referred for atopic diseases other than asthma. Thus, attention should be paid to asthma control in this population.
Collapse
Affiliation(s)
- H M Kansen
- Department of Pediatric Pulmonology and Allergology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - T M Le
- Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Cspm Uiterwaal
- Julius Center for Health Science and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - B E van Ewijk
- Department of Pediatrics, Tergooi Hospital, Blaricum, The Netherlands
| | - Waf Balemans
- Department of Pediatrics, St. Antonius Hospital, Nieuwegein, The Netherlands
| | - Dmw Gorissen
- Department of Pediatrics, Deventer Hospital, Deventer, The Netherlands
| | - E de Vries
- Department of Pediatrics, Jeroen Bosch Academie (Research), Jeroen Bosch Hospital, 'S Hertogenbosch, The Netherlands
| | - M F van Velzen
- Department of Pediatrics, Meander Medical Center, Amersfoort, The Netherlands
| | - Ghpr Slabbers
- Department of Pediatrics, Bernhoven Hospital, Uden, The Netherlands
| | - Y Meijer
- Department of Pediatric Pulmonology and Allergology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - A C Knulst
- Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - C K van der Ent
- Department of Pediatric Pulmonology and Allergology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - F C van Erp
- Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands
| |
Collapse
|
40
|
Lagercrantz B, Persson Å, Jonsson M, Kull I. Living with a Severe Allergy: Lived Perspectives from Swedish Adolescents and their Parents. J Pediatr Nurs 2020; 50:e107-e112. [PMID: 31196590 DOI: 10.1016/j.pedn.2019.05.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 05/26/2019] [Accepted: 05/27/2019] [Indexed: 11/25/2022]
Abstract
BACKGROUND During adolescence, the young person should gradually develop independence from his or her parents. However, having a chronic disease like a severe allergy may add stress and challenges beyond normal development and involves a struggle between adapting socially, feeling healthy, and managing the disease. OBJECTIVE To describe experiences of living with a severe allergy from the perspective of adolescents and their parents. METHOD A qualitative study with six focus group interviews were performed, two with adolescents and four with their parents (10 adolescents, 10-16 years old and 21 parents). The transcribed data were analyzed using systematic text condensation. RESULT Four themes emerged: Feeling different (adolescents and parents), shift in responsibility (adolescents and parents), the importance of parents (only adolescents) and the importance of healthcare providers (only parents). The adolescents relied on their parents, while also taking responsibility for managing their disease. The parents expressed a need to protect their children; but they did not seem to be aware of the responsibility their children took. The parents highlighted the importance of support from healthcare providers but this was not mentioned by the adolescents. CONCLUSION This study showed that both the adolescents and their parents stated that they took responsibility for managing the disease, but in different ways. For healthcare providers, this needs to be taken into account in order to support both adolescents and parents for self-management and shift in responsibilities which begins during adolescents.
Collapse
Affiliation(s)
| | - Åsa Persson
- Department of Paediatrics, Region Skåne, Kristianstad Central Hospital, Sweden
| | - Marina Jonsson
- Institute of Environmental Medicine, Karolinska Institutet, and Center for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden
| | - Inger Kull
- Department of Clinical Science and Education, Karolinska Institutet, and Sachs' Children and Youth Hospital, Södersjukhuset, Stockholm, Sweden.
| |
Collapse
|
41
|
Morikawa E, Sasaki M, Yoshida K, Adachi Y, Odajima H, Akasawa A. Nationwide survey of the prevalence of wheeze, rhino-conjunctivitis, and eczema among Japanese children in 2015. Allergol Int 2020; 69:98-103. [PMID: 31548125 DOI: 10.1016/j.alit.2019.08.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 08/15/2019] [Accepted: 08/23/2019] [Indexed: 10/26/2022] Open
Abstract
BACKGROUND Global surveys and cohort studies have been conducted to evaluate the prevalence of allergic disease in childhood, but only a few nationwide surveys have been conducted in Japan. We aimed to report the prevalence of childhood allergic disease in Japan and determine the prevalence distribution by sex and prefecture. METHODS In 2015, we conducted a school-based questionnaire survey using the Japanese version of the International Study of Asthma and Allergies in Childhood questionnaire among two age groups: primary school students (PS, 6-8 years old) and middle school students (MS, 13-15 years old). The schools were randomly selected from each prefecture. RESULTS Valid responses were obtained from 42,582 PS and 36,638 MS. Among PS and MS, the prevalence of wheeze was 10.2% and 8.2%, that of allergic rhino-conjunctivitis was 18.7% and 26.7%, and that of eczema was 14.6% and 9.7%, respectively. In terms of sex, the prevalence of wheeze and rhino-conjunctivitis was higher in male PS while that of rhino-conjunctivitis and eczema was higher in female MS. In terms of prefecture, there was a two-fold difference in the prevalence of wheeze and eczema and a four-fold difference in the prevalence of rhino-conjunctivitis, with each disease showing different distribution patterns. CONCLUSIONS We demonstrated the prevalence of allergic disease among PS and MS in 2015. The prevalence tended to be higher in male PS and female MS. Each disease exhibited different prevalence ranges and distributions. Identifying the factors behind these differences is a topic for future research.
Collapse
|
42
|
Lee A, Lee SY, Lee KS. The Use of Heated Tobacco Products is Associated with Asthma, Allergic Rhinitis, and Atopic Dermatitis in Korean Adolescents. Sci Rep 2019; 9:17699. [PMID: 31776400 PMCID: PMC6881368 DOI: 10.1038/s41598-019-54102-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 11/08/2019] [Indexed: 01/27/2023] Open
Abstract
The increasing use of new and emerging tobacco products has raised public health concern worldwide. This study aimed to assess the association between tobacco product use and the risk of allergic diseases. We used cross-sectional data of 58,336 students aged 12–18 years from the 2018 Korea Youth Risk Behavior Survey. This study considered three tobacco products, namely cigarettes, electronic cigarettes (e-cigarettes), and heated tobacco products. Descriptive analyses, as well as simple and multinomial logistic regression analyses with a complex sampling design, were performed. Multiple tobacco use had an association with the risk of each allergic disease. Use of each tobacco product was significantly associated with an increased risk of multi-morbidity of asthma, allergic rhinitis, and atopic dermatitis. Furthermore, lifetime use of each tobacco product was associated with the prevalence of atopic dermatitis. This highlights the importance of paying close attention to smoking by adolescents and its association with allergy epidemics. Future research should consider intensity of smoking and/or severity of allergic symptoms.
Collapse
Affiliation(s)
- Ahnna Lee
- Department of Public Health, Graduate School, The Catholic University of Korea, Seoul, Korea.,Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sook Young Lee
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Kang-Sook Lee
- Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
| |
Collapse
|
43
|
Ji H, Hu Y, Zhang T, Wang Y, Shen L, Wang S, Chen M, Wei M, Yu G. Allergic Comorbidity of Asthma or Wheezing, Allergic Rhinitis, and Eczema: Result From 333 029 Allergic Children in Shanghai, China. Am J Rhinol Allergy 2019; 34:189-195. [PMID: 31640394 DOI: 10.1177/1945892419883238] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Heyu Ji
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yi Hu
- Center for Medical Bioinformatics, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Ting Zhang
- Department of Gastroenterology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Yizhong Wang
- Department of Gastroenterology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Li Shen
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shu Wang
- Department of Information, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Min Chen
- Department of Information, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Mingyue Wei
- Department of Information, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Guangjun Yu
- Center for Medical Bioinformatics, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| |
Collapse
|
44
|
Thorsteinsdottir S, Stokholm J, Thyssen JP, Nørgaard S, Thorsen J, Chawes BL, Bønnelykke K, Waage J, Bisgaard H. Genetic, Clinical, and Environmental Factors Associated With Persistent Atopic Dermatitis in Childhood. JAMA Dermatol 2019; 155:50-57. [PMID: 30427975 DOI: 10.1001/jamadermatol.2018.4061] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Importance Knowledge about factors associated with persistence of atopic dermatitis (AD) during childhood is sparse. Objective To explore heritable, environmental, and clinical factors associated with persistent AD based on 13 years' follow-up of an at-risk birth cohort. Design, Setting, and Participants In the Copenhagen Prospective Study on Asthma in Childhood 2000 (COPSAC2000) clinical birth cohort study, 411 children born to mothers with asthma were followed up until the age of 13 years at a clinical research unit in Copenhagen, Denmark, from August 1998 to June 2015. Atopic dermatitis was diagnosed prospectively during close clinical follow-up according to the criteria of Hanifin and Rajka. Data were gathered on parental history, social circumstances, and environmental factors through parent interviews. The cohort was followed up with biannual visits to the clinic until the age of 7 years and were seen again at age 13 years. Data were analyzed from August 2015 to January 2018. Main Outcomes and Measures Atopic dermatitis was diagnosed using Hanifin and Rajka major and minor criteria, and severity was determined by Scoring Atopic Dermatitis (SCORAD) index, with possible scores from 0 to 83, with higher scores indicating more severe AD. Results Of the 411 children in the cohort, 203 (49.4%) were male and 186 (45.3%) were diagnosed with AD before the age of 13 years; 40 of 166 children (24.1%) had persistent AD at the age of 13 years, and 126 (76.0%) experienced remission. Factors associated with persistent AD to age 13 years included heritability, environmental exposures, asthma and allergic sensitization, clinical presentation at the time of diagnosis, the composition of Hanifin and Rajka diagnostic minor criteria, and AD severity according to SCORAD. A higher AD genetic risk score was associated with an increased the risk for persistent AD (multivariable odds ratio [OR], 1.8; 95% CI, 1.1-2.9; P = .02), together with paternal asthma (multivariable OR, 3.7; 95% CI, 1.2-11.5; P = .02); paternal AD (multivariable OR, 6.2; 95% CI, 1.17-23.2; P = .007), and higher social circumstances (multivariable OR, 1.6; 95% CI, 1.0-2.5; P = .05). Particular clinical presentations at time of diagnosis were also associated with specific minor criteria of Hanifin and Rajka (Dennie-Morgan and anterior neck folds, white dermographism, intolerance to wool, itching when sweating, tendency to skin infection, food intolerance, and food allergy) (OR, 2.6; 95% CI, 1.1-6.2; P = .03) as well as increased severity at diagnosis (OR, 1.1; 95% CI, 1.0-1.1; P = .007). Conclusions and Relevance In a birth cohort of children at risk for asthma who received close clinical follow-up to age 13 years, known genetic AD risk variants, paternal asthma and AD, high social circumstances, diagnostic minor criteria, and disease severity at onset were associated with persistent AD at age 13 years. These findings may be applied in clinical practice to evaluate the likely disease course for individual patients.
Collapse
Affiliation(s)
- Sunna Thorsteinsdottir
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Jakob Stokholm
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark.,Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark.,Department of Pediatrics, Naestved Hospital, Naestved, Denmark
| | - Jacob P Thyssen
- Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Sarah Nørgaard
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Jonathan Thorsen
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Bo L Chawes
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Klaus Bønnelykke
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Johannes Waage
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Hans Bisgaard
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
45
|
Diet and Food Allergy as Risk Factors for Asthma in the Arabian Gulf Region: Current Evidence and Future Research Needs. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16203852. [PMID: 31614710 PMCID: PMC6843839 DOI: 10.3390/ijerph16203852] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/30/2019] [Accepted: 10/10/2019] [Indexed: 12/13/2022]
Abstract
Asthma is a chronic respiratory disease which is associated with higher levels of systemic inflammation. The causes of asthma remain poorly understood. Unhealthy diet and food allergy are potential risk factors for developing asthma. The prevalence of asthma in the Arabian Gulf region (AGR), and Kuwait, Saudi Arabia and Qatar in particular, is higher than in other Eastern Mediterranean countries. In the AGR, diets tend to be of low nutritional value due to high levels of total energy, cholesterol, sodium, added sugars and saturated fat, and low levels of fiber, fruit and vegetables. A few studies that include children and adults in the AGR have suggested a potential link between unhealthy diets/specific food allergens and increased risk of asthma, however, the association of food allergy with asthma is still a controversial issue. The aim of this commentary is to consider the evidence from the AGR regarding the effects of diet/food allergy on asthma risk that may be used to make recommendations for future research.
Collapse
|
46
|
Al-Tamprouri C, Malin B, Bill H, Lennart B, Anna S. Cat and dog ownership during/after the first year of life and risk for sensitization and reported allergy symptoms at age 13. IMMUNITY INFLAMMATION AND DISEASE 2019; 7:250-257. [PMID: 31464382 PMCID: PMC6842813 DOI: 10.1002/iid3.267] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 06/07/2019] [Accepted: 06/10/2019] [Indexed: 01/12/2023]
Abstract
BACKGROUND Avoidance of pets as a strategy for preventing atopic diseases has been questioned. This study aimed to identify the risk of sensitization and allergic symptoms at age 13 in relation to dog- and cat-keeping during and after the first year of life. METHODS The study included all children born at Östersund Hospital in Northern Sweden between February 1996 and January 1997 (n = 1231). At inclusion, parents were asked to answer questionnaires about lifestyle, including cat- and dog-keeping. Dog allergy, cat allergy, hay fever, and asthma were diagnosed based on parental reported allergic symptoms at 13 years of age (n = 834). The risks of sensitization or allergy in relation to dog- and cat-keeping during and after the first year of life were analyzed with logistic regression. To adjust for reverse causation, all subjects that had reported avoidance of pets due to allergic symptoms of the child or allergy in the family (n = 177) were excluded. RESULTS Dog- or cat-keeping during the first year of life reduced the risk of sensitization to dog or cat allergens, respectively, and to birch and to at least one of the 10 allergens tested. Cat-keeping, both during and after the first year of life, reduced the risk of cat allergy and hay fever. Having a dog at home during the first year of life reduced the risk of dog and cat allergy, whereas dog-keeping after the first year of life did not affect allergic symptoms. CONCLUSIONS Cat ownership, either during or after the first year of life, may be a strategy for preventing the development of cat allergy and hay fever later in life. Dog ownership reduced the risk of sensitization to dog and birch allergen, and also the risk of cat and dog allergy, but had no effect on hay fever.
Collapse
Affiliation(s)
| | - Barman Malin
- Department of Biology and Biological Engineering, Food and Nutrition Science, Chalmers University of Technology, Gothenburg, Sweden
| | - Hesselmar Bill
- Department of Paediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Bråbäck Lennart
- Section of Sustainable Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Sandin Anna
- Department of Clinical Science, Paediatrics, Umeå University, Umeå, Sweden
| |
Collapse
|
47
|
Dahlén E, Ekberg S, Lundholm C, Jonsson EW, Kull I, Wettermark B, Almqvist C. Sibship and dispensing patterns of asthma medication in young children-a population-based study. Pharmacoepidemiol Drug Saf 2019; 28:1109-1116. [PMID: 31271484 DOI: 10.1002/pds.4802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 04/02/2019] [Accepted: 04/23/2019] [Indexed: 01/06/2023]
Abstract
PURPOSE Our aim was to study the association between sibship and dispensing patterns of asthma medication in young children, focusing on incidence and persistence, and taking sibship status, asthma diagnoses, and siblings' medication into account. METHODS A register-based cohort study including all children (n = 50 546) born in Stockholm, Sweden 2006 to 2007, followed up during 2006 to 2014. Exposure was sibling status; outcome was incidence of dispensed asthma medication and persistence over time. A Cox model was used to study the association between sibship and asthma medication. Persistence was defined using two different time windows (4 and 18 months) in a refill sequence model including siblings' and unrelated control children's medication. RESULTS After 1 year of age, the adjusted hazard ratio of dispensed asthma medication was 0.85 (95% CI 0.80-0.90) among children with siblings compared with singletons. The estimated proportion of children with persistent controller medication was 7.2% (4-month model) and 64.5% (18-month model). When including the siblings' controller medication, the estimated proportion was 8.8% (4 months) and 7.8% for control children (relative risk (RR) 0.89, 95% CI 0.81-0.98). The persistence was lower for those with siblings compared with singletons (adj. RR 0.72, 95% CI 0.62-0.85 for 4 months) with similar estimates for older, younger, and full siblings and regardless of asthma diagnoses. CONCLUSIONS Siblings have different dispensing patterns of asthma medications compared with singletons regardless of asthma diagnoses. After including the siblings' asthma medication and compared with control children, the proportion of children with persistent medication increased which may indicate that siblings share asthma medications.
Collapse
Affiliation(s)
- Elin Dahlén
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Centre for Pharmacoepidemiology, Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | - Sara Ekberg
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Cecilia Lundholm
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Eva Wikström Jonsson
- Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Clinical Pharmacology, Karolinska University Hospital, Stockholm, Sweden
| | - Inger Kull
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden.,Sachs' Children and Youth Hospital, Södersjukhuset, Stockholm, Sweden
| | - Björn Wettermark
- Centre for Pharmacoepidemiology, Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | - Catarina Almqvist
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Pediatric Allergy and Pulmonology Unit at Astrid Lindgren Children's Hospital, Karolinska University Hospital, Solna, Sweden
| |
Collapse
|
48
|
Björkander S, Hallberg J, Persson J, Lilja G, Nilsson C, Sverremark‐Ekström E. The allergic phenotype during the first 10 years of life in a prospective cohort. IMMUNITY INFLAMMATION AND DISEASE 2019; 7:170-182. [PMID: 31207167 PMCID: PMC6688083 DOI: 10.1002/iid3.255] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/09/2019] [Accepted: 05/16/2019] [Indexed: 02/01/2023]
Abstract
Background Heredity and environmental parameters jointly affect allergy development. Here, we used a Swedish prospective cohort to study the influence of heredity and factors usually associated with allergic disease and the development of allergic manifestations in combination with immunoglobulin E (IgE) sensitization at four different time points until 10 years of age. Methods Parents‐to‐be were characterized concerning allergy and their children (n = 281) were divided based on allergic heredity and followed from birth and clinically examined for IgE‐associated allergic symptoms until 10 years of age. The relation between allergy and early‐life parameters was analyzed by logistic regression. Group‐wise comparisons were made by nonparametrical tests. Results Early life eczema and/or asthma in combination with IgE sensitization, was a strong indicator of allergy at a later time point. Further, the early occurrence of multiple allergic symptoms among IgE‐sensitized children predisposed for a more complex allergic phenotype at later ages, independently of allergic heredity. At 10 years of age, allergic children had higher fractional exhaled nitrogen oxide (FeNO) levels, regardless of asthma, and FeNO levels were also influenced by heredity. Birth season was strongly associated with allergy development, but only in children with two allergic parents. Conclusion Allergic eczema/asthma in early life, being born during the autumn/winter, having multiple allergic symptoms and two allergic parents were all strong predictors for having allergic diseases at 5 and 10 years of age. However, the allergic march seems to be independent of heredity, as IgE‐mediated allergies follow the same trajectories in children with and without allergic heredity.
Collapse
Affiliation(s)
- Sophia Björkander
- Department of Molecular Biosciences, The Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| | - Jenny Hallberg
- Department of Clinical Science and EducationSödersjukhuset, Karolinska InstitutetStockholmSweden
- Sachs’ Children and Youth HospitalStockholmSweden
- Institute for Environmental Medicine, Karolinska InstitutetStockholmSweden
| | | | - Gunnar Lilja
- Department of Clinical Science and EducationSödersjukhuset, Karolinska InstitutetStockholmSweden
- Sachs’ Children and Youth HospitalStockholmSweden
| | - Caroline Nilsson
- Department of Clinical Science and EducationSödersjukhuset, Karolinska InstitutetStockholmSweden
- Sachs’ Children and Youth HospitalStockholmSweden
| | - Eva Sverremark‐Ekström
- Department of Molecular Biosciences, The Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| |
Collapse
|
49
|
Hansen TE, Evjenth B, Holt J. Lower respiratory tract infections appear to be the most important risk factor for current asthma in subarctic schoolchildren. Acta Paediatr 2019; 108:911-919. [PMID: 30276860 DOI: 10.1111/apa.14603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 08/25/2018] [Accepted: 09/26/2018] [Indexed: 11/27/2022]
Abstract
AIM The aim of this study was to identify possible risk factors for current asthma revealed by two studies in Northern Norway in 1985 and 2008 and to evaluate these factors contributing to the increased prevalence of asthma over these 23 years. METHODS As part of the 'Asthma and allergy study among schoolchildren in Nordland county' we performed a case-control study (70.0% attendance) comparing 153 children with current asthma (cases) to their non-asthmatic controls. The results from this 2008 study were compared to a similar case-control study (93.2% attendance) performed in 1985 based on 62 current asthmatics. RESULTS In 1985, the most important risk factors for current asthma were repeated lower respiratory tract infections (LRTIs) with adjusted odds ratio (aOR) 52.11, together with urticaria ever and atopic disease in the family. In 2008, the most important risk factors were food allergy with aOR 7.06, LRTIs during the first three years of life with aOR 5.80 and hospitalisation caused by LRTIs. CONCLUSION In both studies, LRTI was the most important risk factor for current asthma. Whether or not LRTIs have contributed to the increased asthma prevalence in this population over 23 years remains unresolved.
Collapse
Affiliation(s)
| | - Bjørg Evjenth
- Division of Paediatrics, Obstetrics and Women's Health Nordland Hospital Bodø Norway
| | - Jan Holt
- Division of Paediatrics, Obstetrics and Women's Health Nordland Hospital Bodø Norway
- Department of Community Medicine The Arctic University of Norway Tromsø Norway
| |
Collapse
|
50
|
IgE sensitization in a cohort of adolescents in southern Sweden and its relation to allergic symptoms. Clin Mol Allergy 2019; 17:6. [PMID: 30983886 PMCID: PMC6444864 DOI: 10.1186/s12948-019-0110-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 02/25/2019] [Indexed: 11/30/2022] Open
Abstract
Background There is a strong and consistent association between IgE sensitization and allergy, wheeze, eczema and food hypersensitivity. These conditions are also found in non-sensitized humans, and sensitization is found among individuals without allergy-related diseases. The aim of this study was to analyse the sensitization profile in a representative sample of the population, and to relate patterns of allergens and allergen components to allergic symptoms. Methods A population of 195 adolescents took part in this clinical study, which included a self-reported questionnaire and in vitro IgE testing. Results Sensitization to airborne allergens was significantly more common than sensitization to food allergens, 43% vs. 14%, respectively. IgE response was significantly higher in airborne allergens among adolescents with rhinitis (p < 0.001) and eczema (p < 0.01). Among 53 children with allergic symptoms according to the questionnaire, 60% were sensitized. Sensitization to food allergens was found among those with rhinitis, but only to PR-10 proteins. None of the participants had IgE to seed storage proteins. Conclusion The adolescents in this study, taken from a normal Swedish population, were mainly sensitized to grass pollen and rarely to specific food allergens. The major grass pollen allergen Phl p 1 was the main sensitizer, followed by Cyn d 1 and Phl p 2. Sixty-one percent reporting any allergic symptom were sensitized, and the allergen components associated with wheeze and rhinoconjunctivitis were Fel d 4, Der f 2 and Can f 5.
Collapse
|