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Objective: Egg allergy is the second most common food allergy in infants and may cause urticaria, angioedema, anaphylaxis, and exacerbation of atopic dermatitis. Egg allergy is diagnosed by carefully examining a patient's clinical history, performing contributory skin prick tests, and assessing specific IgE levels to hen's egg. The administration of measles, measles-mumps-rubella (MMR), and varicella vaccinations to children with egg allergy remains controversial. These vaccines contain trace amounts of egg proteins as they are produced in chicken embryo fibroblast cultures. The incidence of anaphylaxis as a result of vaccinations is very low, and its cause (egg or gelatin) is not well known. Here we report our experience with the three vaccinations in 18 patients with egg allergy (36 doses). Methods: Between 2013 and 2016, we retrospectively evaluated patients with egg allergy who presented to our allergy clinic for vaccinations. After performing the skin prick test for patients who were admitted to our clinic, vaccinations were administered by dividing the doses in equal two parts. Results: All patients had a clinical history, and atopic dermatitis coexisted with egg allergy in three patients. The skin prick test results were positive in 12 (67%) patients. The specific IgE test was positive in 16 (89%) patients. There was a reaction in just one (2.9%) patient of 18 patients of 36 dose vaccinations. Conclusion: Measles, MMR, and varicella vaccinations in children with egg allergy were found to be safe albeit small number of patients. We believe that egg allergy does not necessitate a delay or contraindication for vaccination. [ABSTRACT FROM AUTHOR]

Simple febrile seizures are generally benign, but during the seizure, elevated levels of glutamate and high levels of oxygen use due to the high metabolic brain activity result in oxidative stress. However, the relationship between febrile seizures and oxidative stress remains unclear. In this study, we investigated thiol/disulfide homeostasis as a new oxidative stress parameter in patients with simple febrile seizures. This study was performed between February 2016 and May 2016 at the Pediatric Emergency Unit. The study population consisted of 40 patients with a diagnosis of simple febrile seizure and 30 control participants aged 8-59 months. Total thiol, native thiol and disulfide levels, disulfide/native thiol, disulfide/total thiol, and native thiol/total thiol ratios were used as thiol/disulfide homeostasis parameters and were quantified in patient and control groups. Furthermore, correlations with seizure duration were investigated. In the patient group, native and total thiol levels and native thiol/total thiol ratios were low, and disulfide levels, disulfide/native thiol, and disulfide/total thiol ratios were significantly higher than in the control group. Negative correlations were observed between seizure duration, total and native thiol levels, and native thiol/total thiol ratio, whereas positive correlations were observed between seizure duration and disulfide/native thiol and disulfide/total thiol ratio. The sensitivities of both disulfide/native thiol and disulfide/total thiol ratios were high for simple febrile seizures. Simple febrile seizures may cause impairment in favor of disulfide bonds in thiol/disulfide homeostasis. Overall, these changes may contribute to neuronal cell damage after simple febrile seizures. [ABSTRACT FROM AUTHOR]