Asian Pacific journal of allergy and immunology · 2018
De novo food allergy in pediatric liver transplantation recipients.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sinitkul Ratchaneewan, Manuyakorn Wiparat, Kamchaisatian Wasu, Vilaiyuk Soamarat, Benjaponpitak Suwat, Lertudompholwanit Chatmanee, Treepongkaruna Suporn
Аннотация
BACKGROUND: Food allergy (FA) prevalence is increasing in pediatric liver transplantation (LT). However, the clinical course is still limited.
OBJECTIVE: This retrospective cohort study aimed to identify the prevalence, risk factors, and the natural history of de novo FA in children post LT.
METHODS: Medical records of pediatric LT recipients from Jan 2001 - Dec 2014 were reviewed. De novo FA was diagnosed by symptoms after exposure to culprit food occurring after LT, and improvement after diet elimination. FA was confirmed if reproduced symptoms after re-challenge or documented sensitization or indicated gastrointestinal eosinophilia.
RESULTS: Among 46 post LT children, 54.3% developed de novo FA at a median time of 12.2 months [Interquartile range (IQR) 6.2, 21.3 months] post LT. The confirmed FA was 39.1%. Gastrointestinal symptom was the most common manifestation followed by skin, anaphylaxis, and others. Culprit foods were cow's milk, shellfish, egg, wheat, soybean, peanut, coconut, fish and monosodium glutamate. The risk factors of FA were transplantation during age below 2 years [hazard ratio (HR), 2.62; 95% confidence interval (CI), 1.04 - 6.59; p = 0.03), atopic history in family (HR, 5.67; 95% CI, 1.33 - 24.12; p = 0.01), and Epstein-Barr (EBV) viremia (HR, 2.39; 95% CI, 1.02 - 5.63; p = 0.04).
CONCLUSIONS: de novo FA in pediatric LT is not uncommon. Age at LT younger than 2 years, family history of atopy, and EBV viremia are associated with developing FA. Development of tolerance after elimination culprit diets for 3 years is similar to general population.
OBJECTIVE: This retrospective cohort study aimed to identify the prevalence, risk factors, and the natural history of de novo FA in children post LT.
METHODS: Medical records of pediatric LT recipients from Jan 2001 - Dec 2014 were reviewed. De novo FA was diagnosed by symptoms after exposure to culprit food occurring after LT, and improvement after diet elimination. FA was confirmed if reproduced symptoms after re-challenge or documented sensitization or indicated gastrointestinal eosinophilia.
RESULTS: Among 46 post LT children, 54.3% developed de novo FA at a median time of 12.2 months [Interquartile range (IQR) 6.2, 21.3 months] post LT. The confirmed FA was 39.1%. Gastrointestinal symptom was the most common manifestation followed by skin, anaphylaxis, and others. Culprit foods were cow's milk, shellfish, egg, wheat, soybean, peanut, coconut, fish and monosodium glutamate. The risk factors of FA were transplantation during age below 2 years [hazard ratio (HR), 2.62; 95% confidence interval (CI), 1.04 - 6.59; p = 0.03), atopic history in family (HR, 5.67; 95% CI, 1.33 - 24.12; p = 0.01), and Epstein-Barr (EBV) viremia (HR, 2.39; 95% CI, 1.02 - 5.63; p = 0.04).
CONCLUSIONS: de novo FA in pediatric LT is not uncommon. Age at LT younger than 2 years, family history of atopy, and EBV viremia are associated with developing FA. Development of tolerance after elimination culprit diets for 3 years is similar to general population.