An assessment of the clinical significance of aortic arc variations

Aberrant right subclavian artery aneurysm: A rare entity

“…This diverticulum may cause pressure on the tracheoesophageal region, leading to dissection/rupture due to excessive widening. [3,4] Herein, we present an 80-year-old male patient with an ARSA aneurysm.…”

“…In patients with ARSA abnormalities and in the presence of a gastrointestinal bleeding due to delayed nasogastric or endotracheal intubation, tracheoarterial fistulas (between the trachea and ARSA) should be suspected. [3,5] The failure rate of transradial coronary angiography is 40% in patients with ARSA. The direction of the catheter toward the ascending aorta or to the aortic root may be difficult via the right transradial approach.…”