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Published on: October 14, 2014
Characteristics of anaphylaxis in children referred to a tertiary care center
Emine Vezir1, Mustafa Erkoçoğlu, Ayşenur Kaya
1Department of Pediatric Allergy and Clinic Immunology, Ankara Children's Hematology Oncology Education and Research Hospital, Ankara, Turkey.
Insights
Anaphylaxis in children is often caused by venom and food allergies. While adrenaline is the primary treatment, it was underutilized in this study, highlighting a critical gap in care for severe allergic reactions.
Area of Science:
- Pediatric Allergy and Immunology
- Clinical Medicine
- Epidemiology
Background:
- Anaphylaxis is a severe, life-threatening allergic reaction.
- Limited data exists on anaphylaxis causes and characteristics in developing nations.
- Understanding local patterns is crucial for effective management.
Purpose of the Study:
- To investigate the clinical features and etiological factors of anaphylaxis in pediatric patients.
- To analyze treatment patterns and outcomes in a developing country context.
Main Methods:
- Prospective analysis of 96 pediatric patients with anaphylaxis admitted to an allergy clinic (2010-2012).
- Data collected on patient demographics, causative agents, clinical manifestations, and treatments received.
- Classification of anaphylaxis severity.
Main Results:
- Common causes included venom (32.3%), food (31.3%), and drugs (27.1%).
- Peanuts, nuts, cow's milk, and egg were frequent food triggers.
- Cutaneous and respiratory symptoms were most prevalent; severe anaphylaxis occurred in 33.3% of cases.
- Adrenaline, the first-line treatment, was administered in only 44.4% of patients.
Conclusions:
- Food and venom allergies are primary drivers of pediatric anaphylaxis in this region.
- Underuse of adrenaline is a significant concern, indicating a need for improved anaphylaxis management protocols.
- Further research is needed to address treatment gaps and improve patient outcomes.
Abstract:
Anaphylaxis is a potentially life-threatening condition. There are limited data about the etiology and the clinical characteristics in developing countries. This study aimed to investigate the clinical characteristics of anaphylaxis patients attending our pediatric allergy clinic. We conducted a prospective analysis of patients who were admitted to our allergy clinic for anaphylaxis from 2010 to 2012. Ninety-six patients were evaluated during the study period. The mean age was 7.4 ± 5.2 years. Venom, food, and drugs were the most common causative agents responsible for 31 (32.3%), 30 (31.3%), and 26 (27.1%) of the cases, respectively. Foods implicated most frequently were peanuts and nuts (n = 9; 30.0%), cow's milk (n = 7; 23.3%), and egg white (n = 6; 20.0%). The clinical manifestations during anaphylaxis in order of frequency were cutaneous (97.9%), respiratory (86.5%), gastrointestinal (42.7%), neurological (37.5%), and cardiovascular symptoms (30.2%). A biphasic course was noticed in five cases (5.2%). Of the 91 patients, 79 (86.8%) received H1-antihistamines, 73 (80.2%) received corticosteroids, 40 (44.4%) received adrenaline, 38 (41.8%) received fluid replacement therapy, 18 (19.8%) received β2-mimetics, and 8 (8.8%) received H2-antihistamines. According to severity, 7.3% of patients had mild, 59.4% had moderate, and 33.3% had severe anaphylaxis. Food and bee venom allergy were the most common etiologies. Adrenaline, the first-line treatment of anaphylaxis, was administered in only 44.4% of our cases.
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