• Title/Summary/Keyword: allergy prevention

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IgE-mediated food allergies in children: prevalence, triggers, and management

  • Lee, Sooyoung
    • Clinical and Experimental Pediatrics
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    • v.60 no.4
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    • pp.99-105
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    • 2017
  • Food allergy (FA) is a serious health problem, and severe FA such as food-induced anaphylaxis can often be life threatening. The incidence of FA has been increasing especially in children. They usually develop early in life and affect up to 10% of children. The 2 most common food allergens worldwide are milk and eggs, while the third one varies depending on the countries: peanuts in the United States and Switzerland, wheat in Germany and Japan, tree nuts in Spain, sesame in Israel, and walnuts in Korea. These common food allergens are different and difficult to identify because of differing study methodologies, population, geography, age, and dietary exposure patterns. The current management of FA relies on the strict avoidance of culprit allergens, the prompt treatment of allergic reactions, including epinephrine use for food-induced anaphylaxis, monitoring, and education to prevent further reactions. Newer approaches for tolerance induction to FA and FA immunotherapy have been under investigation but are not yet ready for real-world application. Thus, consistent and systematic education of patients, caregivers, and food-handling people is of primary importance for the management and prevention of FA reactions. This review assesses and compares IgE-mediated FA in children in Korea and other countries, with a focus on summarizing the prevalence, common triggers, and management of FA.

Dietary Prevention of Allergic Diseases in Children (영아기 영양과 소아 알레르기질환의 예방)

  • Ko, Jae Sung
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.11 no.sup1
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    • pp.1-6
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    • 2008
  • Previous infant feeding guidelines recommended a delayed introduction of solids to beyond 6 months of age to prevent atopic diseases. However, scientific evidence supporting a delayed introduction of solids for prevention of atopic diseases is scarce and inconsistent. Current evidence does not support a major role for maternal dietary restrictions during pregnancy or lactation in the prevention of atopic disease. In studies of infants at high risk of developing atopic disease, there is evidence that exclusive breastfeeding for at least 4 months compared with feeding intact cow milk protein decreases the incidence of atopic dermatitis, cow milk allergy, and wheezing in early childhood. For infants at high risk of developing atopic disease who are not breastfed exclusively for 4 to 6 months, there is modest evidence that atopic dermatitis may be delayed or prevented by the use of extensively or partially hydrolyzed formulas, compared with cow milk formula, in early childhood. There is no convincing evidence that a delayed introduction of solid foods beyond 4 to 6 months of age prevents the development of atopic disease. For infants after 4 to 6 months of age, there are insufficient data to support a protective effect of any dietary intervention for the development of atopic disease.

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Prevalence of Toxocariasis and Its Risk Factors in Patients with Eosinophilia in Korea

  • Song, Hyun Beom;Lee, Deokho;Jin, Yan;Kang, Jinwoo;Cho, Shin-Hyeong;Park, Min Sun;Park, Jin-Ho;Song, Woo-Jung;Kang, Hye-Ryun;Lee, Sang Hyub;Hong, Sung-Tae;Choi, Min-Ho
    • Parasites, Hosts and Diseases
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    • v.58 no.4
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    • pp.413-419
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    • 2020
  • Eosinophilia occurs commonly in many diseases including allergic diseases and helminthic infections. Toxocariasis has been suggested as one cause of eosinophilia. The present study was undertaken to examine the prevalence of toxocariasis in patients with eosinophilia and to identify the risk factors for toxocariasis. This prospective cohort study recruited a total of 81 patients with eosinophilia (34 males and 47 females) who visited the outpatient clinic at Seoul National University Hospital from January 2017 to February 2018 and agreed to participate in this study. The prevalence of toxocariasis was examined by T. canis-specific ELISA, and the various risk factors for toxocariasis were evaluated by a questionnaire survey. Among 81 patients with eosinophilia, 18 were positive for anti-T. canis antibodies (22.2%); 88.9% were male (16/18) and 11.1% were female (2/18). Multivariate statistical analysis revealed that males (OR 21.876, 95% CI: 1.667-287.144) with a history of consuming the raw meat or livers of animals (OR 5.899, 95% CI: 1.004-34.669) and a heavy alcohol-drinking habit (OR 8.767, 95% CI: 1.018-75.497) were at higher risk of toxocariasis in patients with eosinophilia. Toxocariasis should be considered a potential cause of eosinophilia when the patient has a history of eating the raw meat or livers of animals in Korea. A single course of albendazole is recommended to reduce the migration of Toxocara larvae in serologically positive cases with eosinophilia.

Allergy Prevention Effect of Oral Administration of Quercetin on Picryl Chloride-induced Contact Dermatitis in BALB/c Mice (BALB/c mice에서 quercetin의 경구투여가 picryl chloride로 유발된 접촉성 피부 알레르기의 예방에 미치는 영향)

  • Kim, Hyeong-Jin;Jung, Ji-Youn
    • Journal of Life Science
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    • v.19 no.10
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    • pp.1444-1450
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    • 2009
  • The number of patients with immune- mediated dermatitis such as contact dermatitis is increasing year by year. Allergic contact dermatitis is a complex phenomenon that involves resident epidermal cells, fibroblasts, and endothelial cells, as well as invading leukocytes that interact with each other under the control of a network of cytokines and lipid mediators. It is a cell-mediated immune reaction, which occurs after susceptible individuals are exposed to sensitizing chemicals, and characteristic eczematous reaction is seen at the point of contact with an allergen. In this study, we investigated the allergy prevention effects of quercetin on mast cell-mediated allergic inflammation in BALB/c mice. BALB/c mice were sensitized with 40 ${\mu}l$ of 1.5% picryl choloride (PCL) to the left and right ear each. Total serum IgE levels and histamine levels were measured by the sandwich ELISA method using mouse IgE, histamine measuring kit. For histopathological examination, paraffin sections were stained with hematoxylin and eosin(HE) or toluidine blue(TB). Ear swelling responses were much weaker in the high-dose group (100 mg/kg) than the control group (0 mg/kg). The number of mast cells showed a significant decrease in the high-dose group (100 mg/kg) compared to the control group (0 mg/kg). Degranulation of mast cells was also confirmed by Toluidine Blue (TB) staining method. Both total serum IgE and histamine levels were significantly decreased in the high-dose group (100 mg/kg) compared to other groups. These findings suggest a certain relationship between the elevation of IgE, histamine levels and the degranulation of mast cells. These results show that the pharmacological actions of quercetin indicate its potential activity for prevention of allergic inflammatory diseases through the down-regulation of mast cell activation.

Tuberculosis Surveillance and Monitoring under the National Public-Private Mix Tuberculosis Control Project in South Korea 2016-2017

  • Min, Jinsoo;Kim, Hyung Woo;Ko, Yousang;Oh, Jee Youn;Kang, Ji Young;Lee, Joosun;Park, Young Joon;Lee, Sung-Soon;Park, Jae Seuk;Kim, Ju Sang
    • Tuberculosis and Respiratory Diseases
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    • v.83 no.3
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    • pp.218-227
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    • 2020
  • Background: The national Public-Private Mix (PPM) tuberculosis (TB) control project provides for the comprehensive management of TB patients at private hospitals in South Korea. Surveillance and monitoring of TB under the PPM project are essential toward achieving TB elimination goals. Methods: TB is a nationally notifiable disease in South Korea and is monitored using the surveillance system. The Korea Centers for Disease Control and Prevention quarterly generates monitoring indicators for TB management, used to evaluate activities of the PPM hospitals by the central steering committee of the national PPM TB control project. Based on the notification date, TB patients at PPM hospitals were enrolled in each quarter, forming a cohort, and followed up for at least 12 months to identify treatment outcomes. This report analyzed the dataset of cohorts the first quarter of 2016 through the fourth quarter of 2017. Results: The coverage of sputum, smear, and culture tests among the pulmonary TB cases were 92.8% and 91.5%, respectively. The percentage of positive sputum smear and culture test results were 30.7% and 61.5%, respectively. The coverage of drug susceptibility tests among the culture-confirmed cases was 92.8%. The treatment success rate among the smear-positive drug-susceptible cases was 83.2%. The coverage of latent TB infection treatment among the childhood TB contacts was significantly higher than that among the adult contacts (85.6% vs. 56.0%, p=0.001). Conclusion: This is the first official report to analyze monitoring indicators, describing the current status of the national PPM TB control project. To sustain its effect, strengthening the monitoring and evaluation systems is essential.

Clinical Practice Guideline for Sasang Constitutional Medicine: Prevention and Risk Fators of Sasangin Disease (사상체질병증 임상진료지침: 예방 및 위험인자)

  • Bae, Na-Young;Lee, Eui-Ju
    • Journal of Sasang Constitutional Medicine
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    • v.27 no.1
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    • pp.82-109
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    • 2015
  • Objectives This research was proposed to present Clinical Practice Guideline (CPG) for Prevention of Sasangin disease pattern of Sasang Constitutional Medicine (SCM) and diseases closely related with Sasang constitution. Each CPG was developed by the national-wide experts committee consisting of SCM professors. Methods At first, we searched the literatures related to SCM such as "Dongeuisusebowon", Textbook of SCM and Clinical Guidebook of SCM. Also we searched the articles related to the studies about risk factors for Sasangin disease pattern of both at home and abroad. Finally, we selected leading risk factors of Sasangin disease pattern and developed CPG for prevention of Sasangin disease pattern of SCM. And then, we searched the literatures related SCM such as "Dongeuisusebowon" and the articles on the correlation between disease and Sasang constitution using case-control studies, observational studies or cross sectional studies of both at home and abroad. Next, we selected diseases closely related with Sasang constitution on the basis of articles including prevalence rate and odds ratio between disease and Sasang constitution and finally developed CPG for these diseases. Results and Conclusions We categorized risk factors of Sasang disease pattern into 2 types: non-modifiable and potentially modifiable. 3 items (age, sex and genetic factors) were classified as non-modifiable risk factors of Sasang disease pattern. 6 items (original symptom, stress, diet and nutrition, physical activity, alcohol and drug misuse) were classified as less well-documented or potentially modifiable risk factors of Sasangin disease pattern. We found out Sasang constitution is more likely to develop some diseases. It was proven that Sasang constitution increase the risk of hypertension, diabetes mellitus, metabolic syndrome, stroke, nonalcoholic fatty liver and obstructive sleep apnea. And there is high probability of Sasang constitution being potential risk factor for obesity, hyperlipidemia, allergy and cancer. Also, we found out Taeeumin is independent risk factor for hypertension, diabetes mellitus, metabolic syndrome, stroke, nonalcoholic fatty liver and obstructive sleep apnea. Therefore we recommend that Taeeumin need to prevent these disease by regular checkups and aggressive management.

Establishment and Clinical Application of an Electronic Database for Breast Cancer in China

  • Lv, Yong-Gang;Huang, Mei-Ling;Xiao, Jing-Jing;Ling, Rui
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.2
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    • pp.639-641
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    • 2016
  • Purpose: To establish a database for breast cancer patients to save and manage clinical data and to preliminarily investigate its clinical application. Materials and Methods: Information on breast cancer patients hospitalized in our department from 2008.01 to 2013.01 were input into our breast cancer management system. SPSS 16.0 software was used as a convenient reference to evaluate the accuracy of the newly built database. Results: A database of 2403 breast cancer patients was successfully established. Information in the database clearly displayed capabilities of storage, addition, retrieval, statistical analysis and other functions. As the continuously updated database showed, the distribution of age, sex, nationality, allergy history, pausimenia and marriage of patients was identical to that achieved by SPSS analysis, indicating reliable and accurate data analysis. Conclusions: The described database is easy and convenient to operate and manage, and should prove suitable for application in clinical research and treatment.

Houttuynia cordata Thunb Fraction Induces Human Leukemic Molt-4 Cell Apoptosis through the Endoplasmic Reticulum Stress Pathway

  • Prommaban, Adchara;Kodchakorn, Kanchanok;Kongtawelert, Prachya;Banjerdpongchai, Ratana
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.5
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    • pp.1977-1981
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    • 2012
  • Houttuynia cordata Thunb (HCT) is a native herb found in Southeast Asia which features various pharmacological activities against allergy, inflammation, viral and bacterial infection, and cancer. The aims of this study were to determine the cytotoxic effect of 6 fractions obtained from silica gel column chromatography of alcoholic HCT extract on human leukemic Molt-4 cells and demonstrate mechanisms of cell death. Six HCT fractions were cytotoxic to human lymphoblastic leukemic Molt-4 cells in a dose-dependent manner by MTT assay, fraction 4 exerting the greatest effects. Treatment with $IC_{50}$ of HCT fraction 4 significantly induced Molt-4 apoptosis detected by annexinV-FITC/propidium iodide for externalization of phosphatidylserine to the outer layer of cell membrane. The mitochondrial transmembrane potential was reduced in HCT fraction 4-treated Molt-4 cells. Moreover, decreased expression of Bcl-xl and increased levels of Smac/Diablo, Bax and GRP78 proteins were noted on immunoblotting. In conclusion, HCT fraction 4 induces Molt-4 apoptosis cell through an endoplasmic reticulum stress pathway.

Development and Operation of Seasonal Recipe for Prevention and Management of Atopic Dermatitis Using Atop Food Blog (아톱 푸드 블로그를 이용한 아토피피부염 예방과 관리를 위한 계절별 조리법 개발과 운영)

  • Kang, Seock-Ah;Choi, Hwa-Jung;Kim, Jung-Hyun;Kim, Seong-Ai
    • Korean journal of food and cookery science
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    • v.26 no.6
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    • pp.699-706
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    • 2010
  • Since atopic dermatitis requires continuous care, the role of a patient's parents is important. However, the majority of parents cause even more serious situations by limiting allergy-inducing foods too much, causing an imbalance in nutrition and decline in immunity. Therefore, educating parents systematically and repeatedly via personal computer or smart phone could help to prevent and manage atopic dermatitis. In this study, 126 recipes of 4 seasons were developed for the parents of atophy students by using food with least chemical additives. After developing these recipes, a blog named "Atop" meaning "atophy stop" was made with these recipes and cooking step photos. In this blog, the visitors who used these recipes showed improvement responses of atopic dermatitis management. The results of this study show that further nutrition education programs such as this blog should be developed continuously and an effective evaluation tool must be also developed for the further prevention and management of atopic dermatitis.

Inhibition of Immediate Allergic Reaction by Cryptotympana atrata (선퇴에 의한 즉시형 알레르기 반응의 억제)

  • Shin, Tae-Yong;Kim, Seong-Hwa;Kim, Hyung-Min
    • YAKHAK HOEJI
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    • v.42 no.3
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    • pp.319-323
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    • 1998
  • Effects of the aqueous extract of Cryptotympana atrata Fabricius (CAF) on the allergic reactions were investigated. In the present study, we examined the effect of CAF on compound 48/80-induced anaphylaxis in vivo and histamine release from rat peritoneal mast cells in vitro. CAF dose-dependently inhibited systemic anaphylaxis induced by compound 48/80 in mice. CAF significantly inhibited serum histamine levels induced by compound 48/80. CAF also inhibited histamine release from the rat peritoneal mast cells activated by compound 48/80. These results suggest that CAF may be useful for the prevention and treatment of allergy related disease.

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