aneurysmal sac

an·eu·rys·mal sac

the dilated wall of an artery in a saccular aneurysm.
References in periodicals archive ?
A microcatheter is then introduced into the aneurysmal sac, and detachable coils are packed into the aneurysm (5).
Plain radiography of the skull contributes little to the diagnosis of VOGMs beyond the demonstration of a rim of calcification within the wall of the aneurysmal sac.
Even as in our case the aneurysmal sac blood content loss may be life threatening.
Prerequisites for successful EVAR * Successful stentgraft delivery and deployment * Adequate stentgraft fixation in normal arterial segments proximal and distal to an AAA (aortic and iliac 'seal' or landing zone) * Depressurisation of the aneurysmal sac with no type 1 or type 3 endoleaks * Stentgraft patency without significant twisting, kinking, migration, occlusion or graft sepsis Table II.
This involved maneuvering 13 coils of various sizes through the stent into the aneurysmal sac.
Such endoleaks, if left untreated, predictably result in ongoing pressure in the aneurysmal sac with the associated risk of rupture.
Platinum and stainless steel coils (Cook Medical, Bloomington, IN) were also placed within the aneurysmal sac (Figures 2a, 2b, 3a).
Once in place in the weakened section of the aorta, the catheters release a tubular device comprised of large z-shaped metal stents sewn to surgical graft material that expands to channel blood through the aorta and reduce the pressure on the aneurysmal sac, lessening the risk of rupture.
The Cook Zenith TX2, which includes a unique uncovered distal stent with fixation barbs to hold the device in place, helps to relieve pressure on the aneurysm and reduce the risk of rupture and in most cases, allow the aneurysmal sac to shrink.
Once in place inside the weakened section of the aorta, the catheters release a tubular device comprised of large z-shaped self-expanding metal stents sewn to surgical graft material that expands to channel blood through the aorta and reduce the pressure on the aneurysmal sac, lessening the risk of rupture.
This migration can result in leakage of blood into the aneurysmal sac, ultimately placing the patient at increased risk of aneurysm rupture.
Renu is a groundbreaking medical device designed to treat abdominal aortic aneurysm (AAA) patients previously treated with implanted stent-grafts that may now have shifted, resulting in potential for leakage of blood back into the aneurysmal sac.