David Da Silva Andrade

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Down syndrome (DS) is the most common aneuploid disorder at birth. The life expectancy of persons with DS has improved over the last forty years and is now at about sixty years. Phenotypic characteristics include general hypotonia, maxillary hypoplasia with a small oral cavity and a somewhat larger appearing tongue, frequent constricted maxillary arch,(More)
We present preliminary results of a cross-sectional study which had the following objectives: 1--to develop percentile curves of weight, height and head circumference of Portuguese children with Trisomy 21 from 0 to 48 months of age; 2--a comparison of the growth of children with Trisomy 21 with a control population of their siblings, and 3--a comparison(More)
Child Abuse is a frequent problem worldwide that surpasses ethnicity, religion, culture, economic and social classes. In the United States of America child protective services account, per year, over one million cases of child abuse or neglect. In Portugal, the incidence of the problem is unknown but each year thousands of abused children are accompanied by(More)
Device localization is a common issue on connected objects and persons. Relative localization is a particular case where one don't care about an absolute position, but about knowing how far and in which direction an object is from a reference point in an approximate manner. This work makes part of a larger project which aims to track groups of children for(More)
Pneumatosis intestinalis, characterized by the presence of gas within the bowel wall, is an uncommon condition with variable presentation. It may be idiopathic or secondary to other diseases. A computed tomography scan is the most sensitive method for diagnosis. In the absence of signs and symptoms of complications, such as perforation and peritonitis,(More)
OBJECTIVE Phenotypical Down syndrome includes pharyngeal and maxillary hypoplasia and, frequently, constricted maxillary arch with nasal obstruction. STUDY DESIGN This clinical trial assessed the effects of rapid maxillary expansion on ENT disorders in 24 children with Down syndrome randomly allocated to receive either rapid maxillary expansion or not.(More)
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