A CASE OF ANAPHYLAXIS DUE TO STINGING OF A Brachyponera chinensis.

[A CASE OF ANAPHYLAXIS DUE TO STINGING OF A Brachyponera chinensis]. Arerugi. 2020;69(8):683-688 Authors: Kimura T, Suzuki S, Suganuma H, Sato H, Akimoto K, Kashima A, Matsunaga T, Ebato T, Yamamoto S, Uno T, Sato H, Uchida Y, Fukuda Y, Ida H, Jinno M, Hirai K, Miyata Y, Honma T, Ota S, Kusumoto S, Watanabe Y, Yamamoto M, Tanaka A, Sagara H Abstract The case involved a man in his forties. While working at the restaurant that the patient runs, the patient experienced a stab-like pain on the left shoulder and developed systemic pruritic eruptions. He was diagnosed with anaphylaxis upon visiting our emergency department. Conjunctival hyperemia, lip swelling, cold sweats, and nausea presented later. A cap fluorescence enzyme immunoassay using the serum of the patient showed specific immunoglobulin E (IgE) positivity for wasps; therefore, we hypothesized that he had anaphylaxis caused by the insect's sting. Insects of the same species as that by which the patient had been stung were collected and finally identified as the Asian needle ant (Brachyponera chinensis). The freeze-dried insects' bodies were sonicated into powders and stored for following examinations. Next, a basophil activation test was performed using the patient's whole blood treated with the reagent above, which showed positivity. Furthermore, a skin prick test using the same reagent showed a positive result, and the reaction increased in a concentrationdependent manner. Based on these results,...
Source: Arerugi - Category: Allergy & Immunology Authors: Tags: Arerugi Source Type: research

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Source: Chemical Communications - Category: Chemistry Authors: Tags: Chem Commun (Camb) Source Type: research
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AbstractPurpose of the ReviewAnaphylaxis is a systemic immunologic reaction of immediate hypersensitivity that occurs as consequence of an interaction between antigen and immunoglobulin E (IgE) and may be potentially fatal. Anaphylaxis symptoms usually occur minutes or seconds after the exposure to the causing allergen. The sooner the reaction is established, the more severe it is. The main causes in children are food (cow ’s milk, peanut, egg) and insect bite. Its clinical manifestations usually vary. They can be mild, presenting with hives, angioedema, abdominal pain; or severe, presenting with hypotension or shock...
Source: Current Treatment Options in Allergy - Category: Allergy & Immunology Source Type: research
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