Causes of Cryptogenic Stroke - Oren Zarif - Cryptogenic Stroke
Many patients suffer a cryptogenic stroke, one where doctors have no idea why it happened. This type of stroke has no known etiology, which makes it more difficult to treat. A cryptogenic stroke may occur when the brain's blood flow is interrupted for no apparent reason. Researchers continue to study the causes of cryptogenic strokes to develop new treatments. To learn more about this type of stroke, read on! And remember: prevention is the key to your survival.
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In addition to providing tools for survivors and healthcare providers, the American Heart Association has launched a Cryptogenic Stroke Initiative to help them detect the early signs of a stroke, prevent future attacks, and minimize recovery time. For patients, the organization has produced a stroke toolkit with information on the causes, symptoms, recovery, and how to reduce your risk of recurrence. If you suspect that a cryptogenic stroke is causing your stroke, you can refer to the toolkit.
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PFO and cryptogenic stroke are closely linked, but the causal relationship between the two is not clear. There are other possible causes of stroke, including atrial septal aneurism. A PFO can lead to a cryptogenic stroke in patients of any age, so it's important to rule out other potential causes before putting a PFO at the root of your symptoms. The risk is greater for younger patients and people with atrial septal aneurism.
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Some of the common causes of cryptogenic stroke are atrial fibrillation (AF), and cardiac resynchronization therapy. While this is often enough to treat the symptoms, the condition can still lead to a stroke. Because the etiology is unknown, patients with cryptogenic stroke may experience anxiety about their condition. To reduce their risk, doctors recommend that patients with AF undergo continuous monitoring. Wearable devices such as these could make it easier to monitor AF patients and determine whether the stroke is cryptogenic.
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Patients with AF should undergo an electrocardiogram and inpatient cardiac monitoring. If there is no AF, an additional 24 hours of cardiac monitoring may be needed. Transthoracic echocardiography and transoesophageal echocardiography are other ways to identify structural cardiac causes of cryptogenic stroke. Other common laboratory tests include coagulopathy and common modifiable risk factors. If you suspect a cryptogenic stroke, be sure to seek emergency medical attention.
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A cryptogenic stroke can occur unexpectedly. It is one of the most common types of stroke, and it affects about one in three people. People with irregular heartbeats (AFib) are at greater risk of cryptogenic strokes than those with normal heartbeats. As such, patients with AFib should seek treatment with their physician. Your physician may suggest diagnostic tests, blood tests, and lifestyle changes to improve their health. There are no known cures for cryptogenic stroke.
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In a recent study, Emory Brain Health Center researchers identified a blood biomarker profile that could help diagnose cryptogenic stroke. This biomarker, or protein, is able to identify the underlying cause of cryptogenic stroke. Ultimately, this new way of diagnosing cryptogenic stroke could lead to a decrease in the risk of another cryptogenic stroke. The goal is to identify the underlying cause of the disease so that a proper diagnosis can be made.
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Cardioembolic mechanisms are another possibility in the genesis of cryptogenic stroke. Although not fully understood, these mechanisms are believed to be common. The prevalence of cryptogenic stroke is higher among younger adults than in older individuals. Studies have found that the presence of PFO is associated with higher incidences of cryptogenic stroke in the general population. The risk of cryptogenic stroke has been linked to various anatomic abnormalities, such as a patent foramen ovale.
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In addition to a CS, another type of cryptogenic stroke is a paradoxical embolism that enters the arteries through the PFO. This condition is usually accompanied by substenotic atherosclerosis and has been associated with increased mortality and disability. Identifying the exact mechanism of cryptogenic stroke is the first step toward secondary prevention. This includes cardiovascular imaging and monitoring. In addition, the patient may also have a risk factor for cardioembolic stroke.