What is vertebrobasilar stroke?
Vertebrobasilar strokes are interruptions of blood flow to the posterior circulation. While these types of strokes are relatively uncommon, they are a disproportionate cause of morbidity and mortality compared to anterior circulation strokes due to discreet symptoms that resemble non-stroke medical conditions.
Can neck problems affect blood flow?
While many patients can understand that cervical instability can cause problems with pinched nerves and pain and numbness that can extend down into the hands or even into the feet, they can have a lesser understanding that their cervical spine instability also pinches on arteries and disrupts, impedes and retards blood …
What is intracranial dolichoectasia?
Intracranial arterial dolichoectasia is a condition characterized by enlargement, tortuosity, or elonga- tion of major arteries at the base of the brain, usu- ally the distal vertebral arteries, the basilar artery, and the distal internal carotid artery segments.
What is the most common cause of VBI?
The most frequent cause of the hemodynamic changes that lead to the development of VBI is atherosclerosis. Other common causes are: embolism, atherosclerosis of great vessels, and arterial dissection. Migraine, fibromuscular dysplasia, coagulopathies, and drug abuse are less frequent causes.
What is the cause of vertebrobasilar disease?
What Causes Vertebrobasilar Circulatory Disorders? Atherosclerosis is the most common cause of these disorders. Other conditions can cause these disorders, including:
What are the symptoms of a blocked vertebral artery?
dizziness or vertigo.
What are the symptoms of basilar migraines?
– Visual (Examples include sparkles or zigzag lights in the vision that may move or get larger. – Sensory (Examples include numbness or tingling that travels up one arm to one side of the face). – Speech/language symptoms (Examples include trouble producing words even though you know what you want to say or trouble understanding what people are saying).
What does vertebrobasilar insufficiency mean?
A. abduct