Journal of Korean Society of Geriatric Neurosurgery 2019;15(2):117-121.
Published online September 30, 2019.
Extracranial Carotid-Vertebral Artery Bypass Technique and Surgical Outcomes
Jung Koo Lee, Ik Seong Park
Department of Neurosurgery, Bucheon St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Bucheon, Korea
Abstract
Vertebral artery(VA) occlusion is frequently encountered, usually without acute ischemic injury of the brain. However, when it is accompanied by hypoplasia or stenosis of the opposite VA, brain ischemia may develop due to insufficient collateral supply. Both hemodynamic instability and embolic infarction can occur in VA occlusion, which may cause severe symptoms in a patient. Extracranial carotid-vertebral artery bypass should be considered for symptomatic VA occlusion patients, especially when the patient has repeated ischemic brain injuries. In this report, the cases of three extracranial carotid-vertebral artery bypass patients are introduced, along with a brief description of the surgical techniques. All three cases were treated with different bypass methods according to their disease location.
Key Words: Vertebrobasilar insufficiency, Vertebral artery, Vascular surgical procedures
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