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Komei Ito Manabu Ono Naoyuki Kando Teruaki Matsui Tomoko Nakagawa Shiro Sugiura Motohiro Ebisawa 《Allergology international》2018,67(2):195-200
Background
The appropriate usage of an adrenaline auto-injector (AAI, Epipen®) is a key aspect of patient and social education in the management of anaphylaxis. However, although AAIs are being prescribed increasingly frequently, there are few reports on their actual use.Methods
The Anaphylaxis Working Group of the Japanese Society of Pediatric Allergy and Clinical Immunology requested that society members register cases in which AAIs were used. Two hundred and sixty-six cases were collected from March 2014 to March 2016.Results
The cases included 240 events of immediate-type food allergies caused by cow's milk (n = 100), hen's egg (n = 42), wheat (n = 40), and peanuts (n = 11). Exercise-related events were reported in 19 cases; however, the diagnosis of food-dependent exercise-induced anaphylaxis with a specific causative food was only made in 4 cases (wheat, n = 2; fish, n = 1; squid, n = 1). The frequent reasons for the causative intake included programmed intake (n = 48), failure to check the food labeling (n = 43), and consuming an inappropriate food (n = 26). AAIs were used at schools or nurseries in 67 cases, with school or nursery staff members administering the AAI in 39 cases (58%). On arriving at the hospital, the symptom grade was improved in 71% of the cases, while grade 4 symptoms remained in 20% of the cases. No lethal cases or sequelae were reported.Conclusions
AAIs were used effectively, even by school teachers. The need to visit a hospital after the use of an AAI should be emphasized because additional treatment might be required. 相似文献2.
“Spike” in acute asthma exacerbations during enterovirus D68 epidemic in Japan: A nation-wide survey
Seigo Korematsu Kengo Nagashima Yasunori Sato Mizuho Nagao Shunji Hasegawa Haruna Nakamura Shiro Sugiura Katsushi Miura Kenji Okada Takao Fujisawa 《Allergology international》2018,67(1):55-60
Background
In September 2015, Japan experienced an unusual increase in acute asthma hospitalizations of children that coincided with an enterovirus D68 (EV-D68) epidemic. The objective of this study is to investigate whether EV-D68 had a causal relationship with the spike in asthma hospitalizations.Methods
A nation-wide retrospective survey of asthma hospitalizations of children was performed for the period from January 2010 through October 2015. The Japanese Society of Pediatric Allergy and Clinical Immunology asked its affiliated hospitals to report monthly numbers of hospitalizations, ICU admissions and mechanical ventilations due to acute asthma exacerbation. The data were retrieved from medical databases using predefined search criteria: diagnosis of asthma or asthmatic bronchitis, admission, and age <20 years. Monthly numbers of EV-D68 detection were also obtained from the Infectious Disease Surveillance Center of Japan. A Granger causality test was used to analyze the association of EV-D68 detections for asthma exacerbation.Results
A total of 157 hospitals reported 87,189 asthma hospitalizations, including 477 ICU admissions and 1193 mechanical ventilations, during the survey period of 5 years and 10 months. The numbers of these events increased drastically in September 2015. The Granger causality test verified the association between EV-D68 and asthma hospitalizations/mechanical ventilations. The most-affected age group was 3–6 years old.Conclusions
The spike in pediatric asthma hospitalizations in Japan in September 2015 was found to be associated with the EV-D68 epidemic. Respiratory pathogens can cause “epidemics” of asthma exacerbation. Coordinated surveillance of infectious diseases and asthma may be beneficial for prevention and better control of both illnesses. 相似文献3.
Therapeutic strategy in late 20th century to prevent allergic diseases was derived from a conceptual framework of allergens elimination which was as same as that of coping with them after their onset. Manifold trials were implemented; however, most of them failed to verify the effectiveness of their preventive measures. Recent advancement of epidemiological studies and cutaneous biology revealed epidermal barrier dysfunction plays a major role of allergen sensitization and development of atopic dermatitis which ignites the inception of allergy march. For this decade, therapeutic strategy to prevent the development of food allergy has been confronted with a paradigm shift from avoidance and delayed introduction of allergenic foods based on the theoretical concept to early introduction of them based on the clinical and epidemiological evidences. Especially, prevention of peanut allergy and egg allergy has been established with the highest evidence verified by randomized controlled trials, although application in clinical practice should be done with attention. This paradigm shift concerning food allergy was also due to the discovery of cutaneous sensitization risk of food allergens for an infant with eczema revealed by prospective studies. Here we have recognized the increased importance of prevention of eczema/atopic dermatitis in infancy. Two randomized controlled trials using emollients showed successful results in prevention of atopic dermatitis in infancy; however, longer term safety and prognosis including allergy march should be pursued. To establish more fundamental strategy for prevention of the development of allergy, further studies clarifying the mechanisms of interaction between barrier dysfunction and microbial milieu are needed with macroscope to understand the relationship between allergic diseases and a diversity of environmental influences. 相似文献
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