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2011: Novel Device used in the treatment of acute Ischemic Stroke
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Novel Device used in the treatment of acute Ischemic Stroke


WINFIELD, Ill., October 26, 2011 – Central DuPage Hospital (CDH) in Winfield, Ill., has joined efforts with a select number of hospitals nationwide by participating in a new clinical trial evaluating the Trevo® Retrieval System, a novel device for removing clots from the brain in patients experiencing an acute ischemic stroke. Illinois’ first patient was enrolled and successfully treated at CDH by interventional neuroradiologist, Harish Shownkeen, M.D., co-medical director of the Stroke & Neurovascular Program.

Following the treatment of the first patient, Dr. Shownkeen said, “I am extremely pleased with the patient’s outcome. Participating in trials like TREVO 2 is very important to my team as we continue to expand our stroke toolkit.”

The TREVO 2 Study (Thrombectomy REvascularization of large Vessel Occlusions in acute ischemic stroke) is a randomized, multicenter, prospective trial approved by the Food and Drug Administration (FDA) to evaluate the Trevo Retrieval System. TREVO 2 is designed to assess the ability of the Trevo System to remove the blood clots that cause strokes and to restore blood flow to the brain. Functional outcomes at 90 days will be collected and analyzed.

About Central DuPage Hospital
Central DuPage Hospital (CDH) is a nationally recognized 313-bed facility located in Winfield, Ill., a suburb west of Chicago. CDH is a leading center for medical technology, one of the busiest surgical hospitals in Illinois and has achieved Magnet® recognition for excellence in nursing services.

For the last five consecutive years, Thomson Reuters has listed CDH as a 100 Top Hospital in the U.S. CDH is affiliated with other healthcare leaders, including regionally known Children’s Memorial Hospital for pediatric care and nationally known Cleveland Clinic for cardiac surgery.

Central DuPage Hospital is an interdependent network of healthcare organizations and services, including convenient care centers, occupational health services, home health and hospice care. For more information or to find a doctor on the medical staff of CDH, visit www.cdh.org or call 630-933-4234/ TTY 630-933-4833 for the hearing impaired.

About Concentric Medical
Concentric Medical is located in Mountain View, California and is the global leader in the development of endovascular devices for revascularizing stroke patients. The company manufactures and markets solutions for ischemic stroke: minimally invasive devices that are delivered into the brain to restore blood flow by removing blood clots that cause ischemic stroke. Concentric Medical’s devices are available in over 500 leading stroke centers around the world, and have been the subject of several clinical studies in which over 1,300 patients have been enrolled. For more information about Concentric Medical, please visit