Atrioventricular Septal Defect News and Research

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Study finds reduction in mortality rate among children born with Down syndrome and heart defect

Since 1990, the mortality rate for children born with Down syndrome and a congenital heart defect has more than halved.

17 Jan 2024

Researchers report two unusual COVID-19-related arrhythmic cases in children

Researchers explored the association between cardiac arrhythmias in children and COVID-19 infection.

8 Feb 2023

Atrial fenestration during atrioventricular septal defect repair is linked to higher mortality rate

A new study, presented today at the AATS 101st Annual Meeting, shows an association between decreased survival at five years and leaving an atrial communication at biventricular repair of unbalanced AVSD after adjusting for other known risk factors.

3 May 2021

High risk for congenital heart defects in Down syndrome provides tool to identify changes in genes

Down syndrome is the most common chromosomal abnormality in humans, involving a third copy of all or part of chromosome 21. In addition to intellectual disability, individuals with Down syndrome have a high risk of congenital heart defects. However, not all people with Down syndrome have them – about half have structurally normal hearts.

25 Oct 2014