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Updated: Jul 5, 2026
Focal Cerebral Ischemia Model by Endovascular Suture Occlusion of the Middle Cerebral Artery in the Rat
Published on: February 5, 2011
External carotid artery to middle cerebral artery bypass with the saphenous vein graft
Erica F Bisson1, Agostino J Visioni, Bruce Tranmer
1Division of Neurosurgery, Department of Surgery, University of Vermont College of Medicine, Burlington, Vermont, USA.
Insights
For patients with severe cerebrovascular disease unresponsive to standard treatments, extracranial-intracranial bypass using a saphenous vein graft offers a viable alternative when typical grafts are insufficient. This technique provides a high-flow conduit for complex cases.
Area of Science:
- Neurosurgery
- Vascular Surgery
- Cerebrovascular Medicine
Background:
- Occlusive cerebrovascular disease poses significant risks, especially when maximal medical therapy and standard surgical interventions fail.
- Identifying suitable bypass conduits is crucial for patients requiring extracranial-intracranial bypass.
- The superficial temporal artery is a common graft vessel, but its inadequacy necessitates alternative solutions.
Purpose of the Study:
- To detail the technical aspects of performing an extracranial-intracranial bypass using a saphenous vein graft.
- To present the saphenous vein as a viable alternative conduit for high-flow bypass in specific patient populations.
Main Methods:
- Focus on the technical considerations for saphenous vein graft harvesting and preparation.
- Describe the surgical steps involved in creating an extracranial-intracranial bypass with a saphenous vein graft.
Main Results:
- The saphenous vein can serve as an effective high-flow conduit when the superficial temporal artery is inadequate.
- Successful implementation of saphenous vein grafts in extracranial-intracranial bypass procedures is technically feasible.
Conclusions:
- Saphenous vein grafts are a valuable option for extracranial-intracranial bypass in selected patients with occlusive cerebrovascular disease.
- This technique expands treatment possibilities for complex cerebrovascular conditions unresponsive to conventional therapies.
Abstract:
Patients with occlusive cerebrovascular disease who have failed maximal medical therapy, which consists of antiplatelet agents as well as maximizing modifiable risk factors such as blood pressure, cholesterol, smoking cessation, and obesity, and whose lesions are not amenable or have not responded to the more common vascular procedures (i.e., carotid endarterectomy or stenting) are considered candidates for an extracranial-intracranial bypass. Additionally, for a patient to be a candidate, he/she must have an adequate graft vessel. Typically, this vessel is the superficial temporal artery. However, oftentimes, the superficial temporal artery is an inadequate vessel or the patient requires a high-flow conduit. It is in these patients that use of the saphenous vein should be considered. In this report, we detail the technical aspects of performing an extracranial-intracranial bypass by using a saphenous vein graft.
