In the specific case of ASAD inadequate involutions of the fourth right vascular arch and the right dorsal aorta appear. As a consequence the seventh right intersegmental artery remains attached to the descending aorta and subsequently forms the aberrant artery figure 5 3, 6, 10, 12-14, 17. An aberrant right subclavian artery is the most common alteration.
En el caso específico de la ASAD se plantea una involución inadecuada del cuarto arco vascular derecho y de la aorta dorsal derecha, de esta manera la séptima arteria intersegmental derecha permanece adherida a la aorta descendente y posteriormente conformará la arteria aberrante figura 5 3, 6, 10, 12-14, 17.