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New device uses submarine technology to diagnose stroke quickly
Date:3/29/2011

brovascular conditions, including intracerebral hemorrhage, subarachnoid hemorrhage, intracranial aneurysms, AVMs, ischemic stroke and transient ischemic attack (an episode in which a person has stroke-like symptoms for up to 1𔃀 hours), were studied. The researchers employed gold standard imagingusing CT magnetic resonance imaging or catheter angiographyto verify the diagnosis of the patients, who were then measured. The analysis team was blinded as to a patient's clinical history. For normal controls the research team relied on data taken on some 30 normal subjects (apart from the study). The team's algorithms were able to separate normal from all other conditions, to separate all patients with a specific condition into their own category and to provide information about the location of the abnormality. Initial blood vessel models were used to identify data signatures that were subsequently verified on patients in the clinic. The interventional radiologists said that, as they continue to increase their signature library, their expectation is that the location capability, as well as the capacity to detect other neurologic conditions with a high degree of sensitivity and specificity, will also increase.


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Contact: Ellen Acconcia
eacconcia@sirweb.org
703-460-5582
Society of Interventional Radiology
Source:Eurekalert

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