[Development of communicative abilities in infants with Down syndrome after systematized training in gestural communication].

Introduction: Gestural communication, understood as the use of non-verbal gestures before the word appears, is a strength in children with Down syndrome (DS).

Objective: To describe com munication development behaviors in children with DS, before and after gestural communication training, based on the "Signs, words and games" workshops of the Baby Signs® program.

Subjects And Method: Prospective study of children with DS between 18 and 22 months of cognitive age, who were trained in gestural communication according to the "Baby Signs®" methodology, evaluating communication skills through the MacArthur inventory adapted for children with DS (Communica tive Development Inventories, CDI-DS), analyzing the scores before and three months after the in tervention.

Clinical characterization of Chilean patients with IgE-mediated food allergy.

Background: Food allergy (FA) is an entity of high and growing prevalence, which can be mediated by IgE or cellular immunity. It can have a wide range of symptoms and be triggered by multiple food antigens, which vary in different geographical areas.

Objectives: To describe clinical characteristics of Chilean patients with IgE-mediated FA.