Vascular rings with left aortic arch (LAA) branching pattern are very ... confirmed a discrete area of narrowing amenable to balloon dilation and stenting or when the patient is too sick to ...

This technique is used for a Simmons 1 or a Simmons 2 catheter in patients with a very tortuous and dilated aortic arch (Figure 3). The second method is preferred for the Simmons 2 catheter in ...

Type I: Dissection originating in the ascending aorta extending a variable length frequently into the aortic arch and/or descending ... occur if the aortic root is dilated from the dissection.