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A transient ischemic attack (TIA), commonly known as a mini-stroke, is a temporary (transient) stroke with noticeable symptoms that end within 24 hours. A TIA causes the same symptoms associated with a stroke, such as weakness or numbness on one side of the body, sudden dimming or loss of vision, difficulty speaking or understanding language or slurred speech.
Vertebrobasilar insufficiency (VBI) describes a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain.The posterior circulation supplies the medulla, pons, midbrain, cerebellum and (in 70-80% of people) supplies the posterior cerebellar artery to the thalamus and occipital cortex. [1]
Recent evidence demonstrated that unstable carotid atherosclerotic plaques are responsible for cerebral ischemic events and symptoms (stroke or transient ischemic attack) in these patients. [ 4 ] [ 5 ] In addition, co-morbidity adversely affects the outcome: people with multiple medical problems have a higher post-operative mortality rate and ...
The most common presentation of cerebrovascular disease is an ischemic stroke or mini-stroke and sometimes a hemorrhagic stroke. [2] Hypertension (high blood pressure) is the most important contributing risk factor for stroke and cerebrovascular diseases as it can change the structure of blood vessels and result in atherosclerosis. [5]
Transient ischemic attack (TIA), is often referred to as a "mini-stroke". The American Heart Association and American Stroke Association (AHA/ASA) refined the definition of transient ischemic attack. TIA is now defined as a transient episode of neurologic dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute ...
[1] [2] Its usefulness was questioned in a 2015 review as it was not found to separate those who are at low from those who are at high risk of future problems. [3] A high score correctly predicted 87% of the people who did have a stroke in the following 7 days but also many people who did not have problems.
The surgical mortality of endarterectomy ranges from 1–2% to as much as 10%. Two large randomized clinical trials have demonstrated that carotid surgery done with a 30-day stroke and death risk of 3% or less will benefit asymptomatic people with ≥60% stenosis who are expected to live at least 5 years after surgery.
People diagnosed with PAD have a greater risk of a MACE (Major Adverse Cardiac Event) and stroke. Their risk of developing a reinfarction, stroke, or transient ischemic attack within one year following a heart attack increases to 22.9%, compared to 11.4% for those without PAD. [88]