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New Device Helps Restore Cerebral Blood Flow After Stroke

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 Restore Cerebral Blood Flow After Stroke

Researchers have created a new device that helps restore cerebral blood flow after a stroke. Solitaire flow restoration, as it  is called has proven to be more efficient compared with standard mechanical device used before. Solitaire device flow restoration, which was recently approved by the FDA, is a new class of medical devices that help restore cerebral blood flow. The new device was evaluated and compared with the standard device (MERCI Retriever) in a randomized trial.

The study included 58 patients who were treated with Solitaire flow restoration device and 55 patients who were treated with the Merci retriever system. Conditions necessary for patients to be included in the study were that they have moderate to severe neurological deficits that be treated by thrombectomy in up to 8 hours after stroke. The average patient age was 67 years, and more than half of the patients were men (68%). It was found that Solitaire flow restoration device was successful in 61% of patients, unlike the Merci retriever system that has been successful in only 24% of patients. In addition, it was found that the new device was superior to standard device in terms of mortality rates. Among those treated with Solitaire flow restoration, mortality was 17.2%, while among those treated with the Merci Retriever, the mortality rate was 38.2%.

Sloiraire Flow Restoration

Solitaire Flow Restoration Device

Solitaire flow restoration device is intended to restore blood flow in cerebral vessels in patients with acute cerebral ischemia. Stroke occurs due to cerebral ischemia in a certain territory. The causes of a stroke  can be thrombosis  or hemorrhage. Stroke is considered a medical emergency because it can lead to irreversible brain damage and even death. Depending on the location of the clogged artery,  there may occur symptoms like blurred vision, dizartry, hemiplegia, altered movement coordination and others. There are several risk factors involved in the development of stroke, such as hypertension, diabetes, hypercholesterolemia, smoking, etc.. It is important to note that these factors can be influenced by lifestyle changes. Studies have shown that by controlling high blood pressure, stroke risk drops significantly.

Solitaire Flow Restoration

Solitaire Flow Restoration

As far as the treatment is concerned, there may be a medical or surgical approach. If the stroke was caused by a blood clot, it can be dissolved by thrombolysis (clot buster): rPA, alteplase. Surgical treatment consists in removing thrombus causing stroke (endarterectomy, thrombectomy). Patients who do not have an indication for thrombolytic therapy or patients in whom this treatment is ineffective,  mechanical embolectomy devices can be used. Another option could be angioplasty.