Endovascular Aneurysm Repair
Endovascular Aneurysm Repair - Related Videos
08:51
A New Murine Model of Endovascular Aortic Aneurysm Repair
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Cited by 3 •
2013
Histological and biochemical modifications after aneurysm endograft exclusion are still unclear. We describe a new model of endograft implantation on a murine aneurysm. Through thrombus analysis with and without persistant circulating blood stream interface, and new endovascular biomaterials evaluation, this model will help to better understand endovascular aneurysm exclusion pathobiology.
07:21
Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices
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Cited by 2 •
2023
Here, we describe the technique for the microsurgical creation of giant bifurcation aneurysms in rabbits for the evaluation of endovascular devices.
07:34
Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
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Cited by 11 •
2011
An optimized technique for the microsurgical creation of arterial bifurcation aneurysms mimicking bifurcation human cerebral aneurysms is described. A venous pouch is sutured into an artificially created true bifurcation of both common carotid arteries. Facilitated microsurgical techniques and aggressive postoperative anticoagulation and analgesia lead to minimized morbidity rates and high aneurysm patency rates.
03:47
A Murine Model of Carotid Aneurysm Formation
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2025
The present protocol describes a standardized surgical method for the induction of carotid aneurysms in a murine model through a single surgical operation.
10:23
Creation of Murine Experimental Abdominal Aortic Aneurysms with Elastase
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Cited by 55 •
2009
This video shows how to induce abdominal aortic aneurysms (AAA) in mice via transient intraluminal infusion of porcine pancreatic elastase into the infrarenal segment of the abdominal aorta. The model has the ability to add broad insight into the pathobiology of AAA due to the emergence of numerous transgenic and gene knockout mice.
FAQs
Suitability depends on whether the aneurysm and surrounding aorta have a shape that allows the stent graft to be positioned securely. Clinicians therefore use imaging to assess the anatomy before treatment rather than selecting EVAR solely because it is less invasive. This assessment helps identify patients for whom the graft can effectively redirect blood flow.
The graft protects the weakened segment by creating an internal channel, so circulating blood passes through the graft instead of directly loading the aneurysm wall. Follow-up focuses on whether blood continues to enter the aneurysm or the device shifts from its intended position. These findings matter because endoleaks and migration can undermine treatment and require clinical attention.
Compared with open repair, EVAR is associated in the overview with less surgical trauma and a shorter recovery time. That comparison explains its appeal as a minimally invasive option, but it does not remove the need for anatomical selection or continued monitoring. The appropriate choice depends on whether the aneurysm can be treated safely with the available graft configuration.
During treatment, clinicians first obtain and review imaging, then gain access through an artery and advance a catheter carrying the compressed graft. They position the device across the weakened aortic segment before deployment. Once released, the graft forms the intended pathway for blood flow, making accurate positioning a central procedural requirement.
Surveillance after EVAR is lifelong rather than limited to the initial recovery period. Imaging and clinical follow-up are used to look for endoleaks, graft migration, or other complications that may develop after deployment. This continuing assessment is essential because successful placement during the procedure does not by itself confirm that the repair will remain stable over time.
In clinical practice, EVAR is used most often for appropriately shaped abdominal aortic aneurysms, while not every aneurysm is suitable for this approach. Its principal treatment goal is to reduce the chance of life-threatening rupture while limiting the trauma associated with open surgery. Anatomical assessment determines whether that balance can be achieved.