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WVU study demonstrates efficacy of CT perfusion in diagnosis of acute ischemic stroke
Date:10/29/2008

MORGANTOWN, W. Va., October 29, 2008 --- A study conducted by a team of stroke experts from West Virginia University Health Sciences Center demonstrates that CT (computed tomography) perfusion imaging - a technology which measures blood flow and is available to most hospitals - may dramatically improve fast and accurate stroke diagnosis, enabling physicians to provide more targeted care and helping avoid potentially life-threatening complications of "clot buster" therapy. The WVU study is the largest to date of the lifesaving technology's utility in diagnosing stroke and staging its treatment.

The study, published in the October 2008 issue of The Journal of Emergency Medicine, shows that using CT perfusion to diagnose stroke may be as valuable as magnetic resonance imaging (MRI) an imaging technology that takes far longer to use at a time when every second counts before treatment is initiated. The CT technology allows physicians to identify patients who are suitable candidates for treatment, utilizing either clot busting medicines or clot retrieval devices.

WVU researchers believe this research could change national protocols on how stroke patients are triaged and potentially extend treatment opportunity beyond the three-to-six hour window.

"Our study reveals that the widespread use of CT perfusion is a practical way to help busy emergency departments save precious time in stroke diagnosis, target treatment and reduce the risks of inappropriate thrombolytic use," said Ansaar T. Rai, MD, Assistant Professor of Neuro Radiology & Neurointerventional Radiology. "CT perfusion was able to pinpoint strokes with high levels of accuracy, particularly the major intracranial vessel strokes that result in more devastating outcomes."

Key findings of the study include:

  • CT perfusion has a very high sensitivity rate 92% - for detecting infarcts due to a major vessel occlusion, the most debilitating kind of str
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Contact: Dennis Tartaglia
dennis.tartaglia@widmeyer.com
732-545-1848
Widmeyer Communications
Source:Eurekalert

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