What is basilar artery stenosis?
Abstract. Introduction: Although basilar artery stenosis (BAS) is an important cause of posterior circulation stroke, few reports detail the clinical and neuroradiological features of patients with BAS. Methods: A retrospective review of symptomatic BAS patients who were evaluated by our Stroke Center.
What happens if the basilar artery is blocked?
Most commonly, patients experiencing basilar artery occlusion exhibit acute neurologic signs including motor deficits, hemiparesis or quadriparesis, and facial palsies, dizziness, headache, and speech abnormalities–especially dysarthria and difficulty articulating words.
What causes basilar artery thrombosis?
The risk factors for basilar artery thrombosis are the same as those seen generally in stroke. The most common risk factor is hypertension, which is found in as many as 70% of cases. It is followed by diabetes mellitus, coronary artery disease, peripheral vascular disease, cigarette smoking, and hyperlipidemia.
What are the symptoms with basilar artery stenosis?
Prodromal symptoms are non-specific, such as headaches and vertigo . The characteristic symptoms of BA disease include motor and bulbar symptoms: decrease or loss of consciousness, paraesthesia, motor weakness, pupillary and oculomotor symptoms, dysarthria, and dysphagia .
What are the signs and symptoms of basilar artery thrombosis?
Basilar Artery Stroke Symptoms. Strokes occur when blood vessels to the brain are blocked or damaged.
– Aspiration pneumonia – Myocardial infarction – Deep vein thrombosis and pulmonary embolism
How is basilar artery thrombosis treated?
Basilar artery strokes are treated like other types of ischemic stroke. The goal is to clear the blockage in the artery. Treatment may include administration of intravenous (IV) tissue plasminogen activator (tPA). This can be an effective way to dissolve the clot, but must be given within three hours of symptoms starting.
What are symptoms of basilar artery stroke?
– Benign positional paroxysmal vertigo – Brainstem migraine – Dolichoectasia of the vertebral or basilar artery – Intracranial tumor – Labrythnthitis – Postictal state with Todd paralysis – Thyroid disease – Transient ischemic attack – Vertebrobasilar insufficiency – Vestibular neuritis