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1.
Chinese Medical Journal ; (24): 2049-2054, 2018.
Article in English | WPRIM | ID: wpr-773927

ABSTRACT

Background@#Wheat-dependent, exercise-induced anaphylaxis (WDEIA) is an allergic reaction induced by intense exercise combined with wheat ingestion. The gold standard for diagnosis of WDEIA is a food exercise challenge; however, this test is unacceptable for Chinese WDEIA patients and unable to be approved by the Ethics Committee of Chinese hospitals due to substantial risk. There are no diagnostic criteria for Chinese WDEIA patients. The aim of present study was to propose new practical diagnosis criteria for Chinese WDEIA patients.@*Methods@#We prospectively included 283 clinically diagnosed WDEIA patients from January 1, 2010 to June 30, 2014, and in the meanwhile, three groups were enrolled which included 133 patients with the history of anaphylaxis induced by food other than wheat, 186 recurrent urticaria patients, and 94 healthy participants. Clinical comprehensive evaluation by allergists used as the reference gold standard, receiver operator characteristic (ROC) curves were plotted, areas under curve (AUC) for specific immunoglobin E (sIgE) were compared to evaluate the diagnostic value of IgE specific to wheat, gluten, and ω-5 gliadin. Patients were followed up by telephone questionnaire 1 year after diagnosis.@*Results@#We reviewed 567 anaphylactic reactions in 283 WDEIA patients. Of these anaphylactic reactions, 415 (73.3%) reactions were potentially life-threatening anaphylaxis. Among the 567 anaphylactic reactions, 75% (425/567) occurred during exercise. The highest AUC (0.910) was observed for sIgE for gluten, followed by omega-5 gliadin (AUC 0.879). Combined gluten- and ω-5 gliadin-specific IgE testing provided sensitivity and specificity of 73.1% and 99.0%, respectively. During the 1-year follow-up period, repeat anaphylaxis was rare when patients observed strict avoidance of wheat products combined with exercise or other triggering agents.@*Conclusions@#In this study, we proposed diagnostic criteria and management of WDEIA patients in China. Our present study suggested that confirmed anaphylactic reactions triggered by wheat with positive sIgE to gluten and omega-5-gliadin may provide supportive evidence for clinicians to make WDEIA diagnosis without performing a food exercise challenge.


Subject(s)
Adolescent , Adult , Female , Humans , Male , Middle Aged , Young Adult , Allergens , Anaphylaxis , Diagnosis , China , Exercise Test , Gliadin , Immunoglobulin E , Prospective Studies , Triticum , Wheat Hypersensitivity , Diagnosis
2.
Allergy, Asthma & Immunology Research ; : 370-372, 2014.
Article in English | WPRIM | ID: wpr-132490

ABSTRACT

Wheat-dependent exercise-induced anaphylaxis (WDEIA) usually occurs 1 to 4 hours after wheat ingestion and the pathophysiology of WDEIA remains unknown. It is recommended that WDEIA patients refrain from exercise for 4 to 6 hours after wheat ingestion. We report a case of a 51-year-old man who experienced 5 anaphylaxis attacks; two of which occurred 10 to 24 hours after wheat ingestion and exercise. He has a history of chronic gastroenteritis that responds well to antihistamine drugs but not proton pump inhibitors (PPIs) and prokinetic agents. Abdominal CT results implied the possibility of superior mesenteric artery syndrome. We suggest that WDEIA occurs 6 hours after wheat ingestion in cases compounded by obstructive gastrointestinal diseases.


Subject(s)
Humans , Middle Aged , Anaphylaxis , Eating , Gastroenteritis , Gastrointestinal Diseases , Proton Pump Inhibitors , Superior Mesenteric Artery Syndrome , Tomography, X-Ray Computed , Triticum
3.
Allergy, Asthma & Immunology Research ; : 370-372, 2014.
Article in English | WPRIM | ID: wpr-132487

ABSTRACT

Wheat-dependent exercise-induced anaphylaxis (WDEIA) usually occurs 1 to 4 hours after wheat ingestion and the pathophysiology of WDEIA remains unknown. It is recommended that WDEIA patients refrain from exercise for 4 to 6 hours after wheat ingestion. We report a case of a 51-year-old man who experienced 5 anaphylaxis attacks; two of which occurred 10 to 24 hours after wheat ingestion and exercise. He has a history of chronic gastroenteritis that responds well to antihistamine drugs but not proton pump inhibitors (PPIs) and prokinetic agents. Abdominal CT results implied the possibility of superior mesenteric artery syndrome. We suggest that WDEIA occurs 6 hours after wheat ingestion in cases compounded by obstructive gastrointestinal diseases.


Subject(s)
Humans , Middle Aged , Anaphylaxis , Eating , Gastroenteritis , Gastrointestinal Diseases , Proton Pump Inhibitors , Superior Mesenteric Artery Syndrome , Tomography, X-Ray Computed , Triticum
4.
Annals of Dermatology ; : 447-449, 2009.
Article in English | WPRIM | ID: wpr-43540

ABSTRACT

Foods are recognized as a common cause of urticaria; however, the role of food is considered to be more important in acute not chronic urticaria. Wheat is a basic ingredient found in many common foods. Food allergy to wheat is primarily described in children in the form of atopic dermatitis. It is rare in adults; where it is mainly reported in exercise-induced anaphylaxis. We report a case of wheat dependent exercise-induced anaphylaxis that occurred in a 54-year-old Korean woman.


Subject(s)
Child , Female , Humans , Middle Aged , Anaphylaxis , Dermatitis, Atopic , Food Hypersensitivity , Triticum , Urticaria
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