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University of Iowa News Release

Feb. 4, 2004

UI Engineers Receive National Award

Baoshun Ma, University of Iowa College of Engineering biomedical engineering doctoral candidate, and M.L. Raghavan, UI assistant professor of biomedical engineering, received the Basic Science Award in Neurovascular Disease and Endovascular Therapeutics from the American Association of Neurological Surgeons and Congress of Neurological Surgeons (AANS/CNS). The award was presented during the AANS/CNS Cerebrovascular Section Annual Meeting Feb. 1-4 in San Diego, Calif.

The UI researchers, together with Robert E. Harbaugh, chair of the department of neurosurgery at Penn State University's Milton S. Hershey Medical Center, were honored for their research titled, "Three dimensional geometric characterization of cerebral aneurysms." Their research will be published in the February 2004 issue of the journal Annals of Biomedical Engineering. The accompanying $25,000 prize will support further research activities on cerebral aneurysms.

Ma and Raghavan note that cerebral aneurysms are dilations in the blood vessels of the brain that may rupture unexpectedly, causing death in most cases. It has been speculated that the shape of these aneurysms may be a determining factor in their rupture risk. Until now, there has been little effort spent quantifying the complex shape of these lesions. The paper discusses recent efforts to develop three-dimensional shape indices of brain aneurysms using techniques in differential and computational geometry.

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CONTACTS: Gary Galluzzo, 319-384-0009,