Down syndrome (DS) occurs in roughly 1 out of 700 births in the U.S. Half of all children with Down syndrome have congenital heart disease (CHD), often requiring corrective heart surgery. Even though CHD in children without DS is known to be associated with developmental problems, few studies have explored how CHD can affect the development and behavior of…
This clinical trial is for patients diagnosed with carotid artery stenosis that are at high risk of a stroke. Carotid artery stenosis develops as a result of plaque buildup in the carotid artery. Over time plaque buildup creates a narrowing of the carotid artery, restricting the flow of blood. Thus, increasing the risk of stroke. In this research study the…
The purpose of this study is to collect blood samples from women who are pregnant with a fetus that has been confirmed by prenatal microarray testing to have a chromosomal abnormality, such as a microdeletion (missing chromosomes) or microduplication (extra chromosomes). The sponsor of this study, Sequenom Laboratories, will use these samples to develop and…