Study of clinical features of genetic polymorphism of the enzyme diamine oxidase in children and adolescents

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Abstract
Aim. To develop a non-invasive method for diagnosing reflux esophagitis in patients with comorbid pathology: HP associated chronic gastritis and atopic dermatitis. Materials and methods. Two groups of children were examined: 60 had AtD and HP+CG and 30 had HP+CG without At D. Risk factors were selected on the basis of clinical, anamnestic, laboratory, and instrumental data, a decision tree was created as well. Conclusion. The conducted research allowed us to develop a plausible non-invasive method for diagnosing reflux esophagitis in children with AtD and HP+CG. Every risk factor (female gender, complaints of bitterness in the mouth, heartburn, abdominal pain, increased fat mass according to impedanceometry and increased level of zonulin in feces) is estimated as 1 point; the sum of points 5 and more indicates the presence of reflux esophagitis with a probability of 94.1% (invention application № 2024139936 from 26.12.2024).

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