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An endoleak is the leaking of blood outside a stent graft and within an aneurysm sac However, an endoleak may occur if blood continues to flow into the aneurysm sac outside the stent. It's a common complication of endovascular aneurysm repair (evar)
There are five types of an endoleak Ideally, the stent graft will create a new pathway for blood flow, effectively isolating the aneurysm Type 2 is the most common
Types 3 and 4 are less common due to new graft technology
Endoleaks may require endovascular treatment methods to prevent aneurysm rupture. Open surgery is an alternative for individuals who cannot be treated successfully with less invasive techniques Type iv endoleak a type iv endoleak often resolves on its own, once blood clotting has normalized. Type ii endoleaks, can potentially enlarge and pressurize the aneurysm sac with a risk of rupture
However, many type ii endoleaks spontaneously resolve or never lead to sac enlargement This is different than a type i and iii endoleak which significantly pressurizes the aneurysm sac with significant risk of rupture. An endoleak is a leak of blood into the aneurysm sac after an endovascular aneurysm repair (evar) procedure Learn about the five types of endoleaks, how they are diagnosed and treated, and why they can be dangerous.
Endoleaks are characterized by persistent blood flow within the aneurysm sac following endovascular aneurysm repair (evar)
Endoleak causes and treatments several factors contribute to the development of endoleaks Anatomical challenges, such as short or angulated necks of the aneurysm, can compromise the seal of the stent graft, increasing the risk of type i leaks Inadequate sizing of the graft—either too small or too large—can also contribute to leaks. Learn about the symptoms, diagnosis, and treatment options for different types of endoleaks at uva health's aortic center.
Treatment of endoleaks an endoleak is a persistent leak of blood that occurs at the site of the stent or graft used in aneurysm repair An aortic endoleak repair is a surgical procedure performed to correct a type of complication that can occur after endovascular aneurysm repair (evar) surgery or thoracic endovascular aortic aneurysm repair. When it happens we either observe or correct the problem. An endoleak is a possible complication of endovascular aneurysm repair (evar), a procedure in which a stent graft is placed in the aorta to strengthen a weakened section affected by an aneurysm
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