Embolic Stroke of Unknown Source - Oren Zarif - Embolic Stroke

Although many of these embolic strokes are attributed to ischemic strokes, only one-third are attributed to this specific type. Researchers recently proposed the term Embolic Stroke of Unknown Source, which would distinguish this type of stroke from large artery atherosclerosis and cardiogenic embolism. Researchers also identified the characteristic infarct sites in this disease. They also sought to understand the underlying pathophysiology of embolic stroke.

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While there is no proven treatment for embolic stroke, prevention remains the key to preventing and limiting these devastating events. People over the age of sixty are at the greatest risk for embolic stroke. Furthermore, individuals with serious vascular dysfunction have a higher risk. It is rare for a person to suffer an embolic stroke without symptoms. Symptoms of a stroke include impaired coordination, speech, vision, writing, reading, and swallowing.

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When a blood clot in the heart passes to the brain, it blocks the flow of blood. The resulting ischemia causes brain tissue to die. Regardless of the source, embolic strokes can originate from many sources. They can originate in the chest, aorta, or pelvic veins. The symptoms of an embolic stroke are often sudden, with no warning signs. A vascular imaging study is also necessary to help guide treatment.

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Although specialists cannot predict the effects of an embolic stroke, they can prescribe medications that can reduce the risk of a subsequent stroke. Aspirin, for example, can thin the blood and prevent clots from forming in the blood stream. If the symptoms are severe enough, tissue plasminogen activator (TPA) can dissolve the clot. However, this treatment is only effective if it is administered soon after a stroke.

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Studies have shown that dabigatran reduces the risk of recurrent stroke. ACETYL-Salicylic acid, a blood thinner, is also effective. However, a randomized trial comparing dabigatran to Aspirin found that dabigatran significantly reduced the risk of recurrent stroke. That study found that dabigatran reduced the risk of re-occurrence by 4.1% per year.

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The current treatment for an embolic stroke is not effective for patients with a history of coronary artery disease, although it has fewer side effects. However, there are a few disadvantages to treatment involving the clot-forming artery. Patients should undergo a vascular surgeon if they have this condition. After a stroke, they should consult a physician specializing in the disease. It is crucial that a physician be aware of these risks so that he or she can tailor their treatment to meet the patient's needs.

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Transient ischemic attacks, also known as TIAs, occur about 10 percent of all strokes. They are mini-strokes caused by a blood clot that blocks an artery for a brief period. Some people experience TIAs months before a stroke occurs. They experience symptoms that resemble the warning signs of a stroke. However, they are usually short-lived. If you experience these symptoms, call 911 immediately. You may be experiencing a TIA or major stroke.