Endoleak is the failure to exclude the aneurysm sac fully from arterial blood flow. Its presence raises the possibility of continuing aneurysm sac pressurization, enlargement, and subsequent rupture. White and colleagues 53,54 developed a classification that has been widely used.
Endoleak - none present. Endoleak - Type I. Type I endoleak: A Type I endoleak is a leak that occurs around the top or bottom of the stent graft. Because blood flowing from the top or bottom areas of the stent graft has high flow, Type I leaks are typically treated with a greater sense of urgency once they are identified. Endoleak - Type II.
Endoleaks after endovascular aortic repair (EVAR) are a common cause of treatment failure and secondary interventions. Endoleak classification is important to determine both prognosis as well as need for treatment. With increasingly complex endovascular aortic procedures, endoleak classification according to the original classification has become more difficult.
Endovascular management of Aortic Dissection 1.. Endoleak Classification (Veith et al) 54.. (10.3%) underwent standard open surgery and 66 (11.6%) underwent endovascular repair. TEVAR provided better outcomes, with 9.3% mortality in patients treated with a stent graft and 33.9% mortality in patients who underwent open surgery. In patients.
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