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Aortic arch interruption

Abstract

The aortic arch is described as three segments: proximal, distal and isthmus. The proximal component extends from the takeoff of the innominate artery to the left common carotid artery. The distal component extends from the left common carotid artery to take-off of the left subclavian artery. The segment of the aorta connecting the distal aortic arch to the juxtaductal region of the descending aorta is termed the isthmus. This complex composite of segments introduces a risk of developmental anomalies in the form of interruptions at the various junction points. Aortic arch interruption is characterized by complete lack of anatomic continuity between the aortic arch or isthmus and the descending thoracic aorta. In aortic arch atresia, with identical pathophysiology and hemodynamics, there is anatomic continuity between the two segments, represented by an imperforate fibrous strand of various lengths.

Keywords

Aortic Arch Subclavian Artery Patent Ductus Arteriosus Ventricular Septal Defect Left Ventricular Outflow Tract 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Steinkopff Verlag 2009

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