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[Extracranial carotid artery bypass using artificial vessels--4 case reports]
1Department of Neurosurgery, Osaka Medical College, Japan.
No Shinkei Geka. Neurological Surgery
|January 19, 2002
Summary
Synthetic vascular grafts are effective for extracranial carotid artery reconstruction in cases of arteriosclerosis or tumors. These grafts offer advantages like no need for autogenous vessels and improved long-term patency.
Area of Science:
- Vascular Surgery
- Biomaterials Science
Background:
- Extracranial carotid artery reconstruction is crucial for managing conditions like arteriosclerotic occlusion and malignant cervical tumors.
- Traditional methods often rely on autogenous vessels, which have limitations.
Observation:
- Four cases of extracranial carotid artery reconstruction were successfully performed using synthetic vascular grafts (Double Velour Dacron, Expanded polytetrafluoroethylene).
- Xenon CT under balloon occlusion aided in determining the indication for reconstruction in one case.
- Synthetic vessels demonstrated improved long-term patency, particularly those larger than 6 mm in diameter.
Findings:
- Synthetic grafts eliminate the need for autogenous vessel harvesting.
- They allow for the use of external shunts in patients with poor ischemic tolerance.
- Synthetic vessels are available in various sizes, resist tumor invasion, and are easier to suture.
Implications:
- Synthetic vascular grafts represent a viable and advantageous alternative for extracranial carotid artery bypass.
- These materials offer improved surgical outcomes and patient tolerance.
- Further research into synthetic graft materials can enhance long-term patency and clinical applications.