Aortic Arch Interruption, also known as interrupted aortic arch, is related to takayasu arteritis and congenital heart defects, multiple types, 9. An important gene associated with Aortic Arch Interruption is NKX2-5 (NK2 Homeobox 5). Affiliated tissues include Neural Crest, Head Mesenchyme and heart, and related phenotypes are heart murmur and left ventricular outflow tract obstruction