Vertebrobasilar ischaemia and the extracranial arteries.
D001488:Basilar Artery; D016122:Brachiocephalic Trunk / Q000503:physiopathology / Q000601:surgery; D002339:Carotid Arteries / Q000601:surgery; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000150:complications* / Q000503:physiopathology; D002941:Circle of Willis / Q000503:physiopathology; D003097:Collateral Circulation; D004691:Endarterectomy; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000150:complications / Q000601:surgery; D007511:Ischemia / Q000209:etiology* / Q000601:surgery; D013348:Subclavian Artery / Q000503:physiopathology / Q000601:surgery; D013349:Subclavian Steal Syndrome / Q000150:complications / Q000503:physiopathology; D014711:Vertebral Artery / Q000503:physiopathology / Q000601:surgery