[The microbiocenosis of upper parts of digestive tract of children with gastroesophageal reflux disease and chronic gastroduodenitis].

The article considers the microbe specter of mucous coat of esophagus and stomach in children with gastro esophageal reflux disease and chronic gastroduodenitis. In patients with diseases of upper parts of digestive tract, the opportunistic pathogenic bacteria are isolated more often and their strains have aggression factors and cytotoxicity. In children with reflux disease the microbe landscape of esophagus is larger both in numerical and specific respect as compared to healthy adolescents and children with isolated gastroduodenitis.