Relationship between deletion size and language impairment in Phelan McDermid Syndrome: Systematic Review.
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Abstract
Background and aims: The Phelan-McDermid syndrome is a rare disease with an unknown prevalence produced by a neurodevelopmental disorder which causes the loss in the function of the SHANK3 gene, entailing a great variety of clinic symptoms, mostly linguistic alterations, and even been absent in a large number of subjects. The following revision consisted in a systematic review, whose main objective focused on assessing the existence of a correlation between the size of the 22q13 deletion, and the development or affectation of the language in subjects between 0 and 55 years old, suffering from the Phelan-McDermid syndrome. Method: for the completion of the following paper, research was conducted on the matter of fact in articles published on PubMed, Medline, Cochrane Plus, Psycinfo and Google Scholar, between 2010 and March 2020. Finally, this systematic revision was conducted with the content of the complete text of 8 articles. Results: the results indicated the existence, on a significant scale, of a correlation between the size of the 22q13 deletion and language the absence or disruption in patients with the Phelan-McDermid syndrome. Conclusions: not with standing, it is required from further research on the topic to determine and understand such correlation in-depth.
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