aortic bifurcation

aortic bifurcation

[TA]
the division of the aorta into right and left common iliac arteries; it occurs at the level of the fourth lumbar vertebral body.
References in periodicals archive ?
The contrast-enhanced CT of the abdomen demonstrated a rind of soft tissue covering the lateral and posterior margins of the aorta extending from below the level of the renal arteries down to the aortic bifurcation and proximal right common iliac artery (Figure 10).
WW Hurd and his associates noted a repositioning of the umbilicus below the aortic bifurcation of 2 cm or greater (Obstet Gynecol.
Under coverage of antibiotic therapy, the aneurysm was excised, the aortic bifurcation removed and an aortic bifemoral bypass was performed.
After the initial angiography [Figure 3]a, the IBD was advanced into the right CIA just inferior to the aortic bifurcation and extended into the EIA.
Leriche syndrome refers to occlusion of the abdominal aorta distal to the renal arteries, aortic bifurcation and the common iliac arteries being usually involved.
There was an aortic transection at the abdominal aortic bifurcation extending to the right common iliac artery (Fig.
Disease may then spread downwards towards the aortic bifurcation.
As a result of this, the amplitude of the late, reflected systolic wave at the aortic bifurcation and the augmentation pressure are increased.
5 cm below the origin of the Inferior Mesenteric Artery (IMA) from the antero lateral aspect of the Aortic Bifurcation (Figure 1, 3& 4), an aberrant renal artery was seen coursing upwards, backwards and laterally & made its portal of entry by penetrating into the medial border (Figure 2, 3 & 4) and extending on to the posterior surface by piercing the capsule just half cm.
Gross examination: Sudan IV-stained luminal aspect in all the aortic strips from group I showed smooth unstained surface while those from group II revealed multiple macroscopically visible atheromatous plaques mainly in arch of aorta and fatty streaks in descending thoracic and abdominal segments, more marked around the branching orifices and with a decreasing gradient towards aortic bifurcation (Figure 2).
An aortogram showed that the aneurysm commenced just below the renal arteries and extended to the aortic bifurcation.
In patients with acute aortic abnormality involving the distal descending aorta, the scan is often extended to the level of the aortic bifurcation for more complete assessment.