What is the innominate artery?

The innominate artery brings blood to your right arm, head, and neck. It’s the first branch from the aortic arch that carries blood away from the heart. A blockage slowing blood flow in this artery can put your life at risk.

Why is it called the innominate artery?

It is also known as the innominate artery or the brachiocephalic trunk. The name refers to the fact that blood flows through this very short artery to the arm (brachio) and the head (cephalic). It can also be called a trunk because it is the base for two other very important arteries.

What are the 3 arteries coming off the aortic arch?

The three main branches of the aortic arch are the brachiocephalic (innominate) artery (dividing into the right subclavian and common carotid arteries), the left common carotid artery, and the left subclavian artery.

Is there a left innominate artery?

We suggest that there is no left innominate artery present in this anomaly. Instead, the left dorsal aorta is the source of the left common and internal carotid arteries. The left 3rd aortic arch appears to be absent in at least some cases but could be the source of the proximal external carotid artery in others.

Is the innominate artery the same as brachiocephalic artery?

The brachiocephalic artery, brachiocephalic trunk, or more commonly referred to clinically as the innominate artery, is one of the three great vessels of the aortic arch that supplies blood to the head, neck and upper extremities.

What is the function of the arch of the aorta?

The aortic arch is the segment of the aorta that helps distribute blood to the head and upper extremities via the brachiocephalic trunk, the left common carotid, and the left subclavian artery. The aortic arch also plays a role in blood pressure homeostasis via baroreceptors found within the walls of the aortic arch.

Is left aortic arch normal?

A left aortic arch and aberrant right subclavian artery are often considered a normal variant and not a true vascular ring because of the typical absence of a right-sided ductus arteriosus or ligamentum arteriosum.

Is innominate vein a deep vein?

A deep vein in the lower limb that accompanies the posterior tibial artery; the vein drains the region supplied by the artery.

Is the innominate vein a central vein?

Peripherally inserted central catheters are commonly referred to as PICC lines. Regardless of where the catheter is inserted from, to qualify as a central venous access the tip of the catheter must end up in one of the following locations: Subclavian vein. Brachiocephalic (innominate) vein.

In normal anatomy, the innominate artery is the most proximal branch of the aortic arch.   It arises to the right of and anteriorly to the left common carotid artery.

What is the percentage of stenosis in hybrid aortic aneurysms?

All patients had type II and III aortic arches (fig. ​(fig.2),2), except for 1 patient with a type I arch who underwent the hybrid procedure due to diffuse atherosclerosis of aortoiliac vasculature and supra-aortic vessels. The mean percentage of stenosis was 81% (table ​(table2).2).

What is Innominate artery compression syndrome?

Innominate artery compression syndrome is another cause of tracheal compression that is not considered a true vascular ring. It is caused by abnormal compression of the anterior aspect of the trachea as the artery crosses it; therefore, it is usually not involved with any abnormal variation of the artery.[10] 

What percentage of carotid artery lesions are symptomatic?

However, approximately 80% of these lesions are symptomatic [2]. Surgical and endovascular treatment of these tandem lesions is challenging. A surgical approach may treat the lesion at the carotid bifurcation, but proximal CCA or IA lesions require a major surgical exposure.