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Coarctation of the aorta (CoA) [1] [2] is a congenital condition whereby the aorta is narrow, usually in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts. The word coarctation means "pressing or drawing together; narrowing".
Coarctation’s a fancy way of saying “narrowing”, so a coarctation of the aorta means a narrowing of the aorta. If we look at the heart, we’ve got the right and left atria, the right and left ventricles, the pulmonary artery leaving the right ventricle to the lungs, and the aorta leaving the left ventricle and going to to the body.
In either case, a variable degree of obstruction may be observed at the ventricular surface of the aortic valve. [1] This presents an obstruction of flow of blood from the ventricle to the aorta. Coarctation of the aorta which is, narrowing of a section of the aorta may also be observed. [1]
Interrupted aortic arch is a very rare heart defect (affecting 3 per million live births) [1] in which the aorta is not completely developed. There is a gap between the ascending and descending thoracic aorta. In a sense it is the complete form of a coarctation of the aorta. Almost all patients also have other cardiac anomalies, including a ...
Recent studies suggest that BAV is an autosomal dominant condition with incomplete penetrance. Other congenital heart defects are associated with bicuspid aortic valve at various frequencies, including coarctation of the aorta. [26] Bicuspid aortic valve abnormality is also the most observed cardiac defect in Turner syndrome. [27]
This is an incomplete list, which may never be able to satisfy certain standards for completion.. There are many conditions of or affecting the human circulatory system — the biological system that includes the pumping and channeling of blood to and from the body and lungs with heart, blood and blood vessels.
Coarctation of the aorta (CoA) – Narrowing of the aorta, typically of the aortic arch and is classically found in Turner syndrome. A "complete" coarction is called an interrupted aortic arch. Cor triatriatum – A membrane that divides one of the atria results in "three" atria (hence "triatriatum"). This tends to affect the left atrium more ...
An aortic coarctation is a narrowing of the aorta, which is split into infant and adult forms. In the infant form, it's often accompanied by patent ductus arteriosus, and mixing of deoxygenated and oxygenated blood, whereas in the adult form, the ductus arteriosus has closed off.