Pittsburgh, January 20, 2005 -- R. Loch Macdonald, MD, professor of surgery and radiation & cellular oncology at the University of Chicago's Pritzker School of Medicine addressed department faculty and residents on "Subarachnoid Hemorrhage and Cerebral Vasospasm: Observations from the Tirilazad Database," Thursday, January 20.

Dr. Macdonald lectures on cerebral vasospasm.

Dr. Macdonald is a recognized authority on the surgical treatment of cerebrovascular diseases, including:

• Cerebral aneurysms
• Vascular malformations of the brain and spinal cord, such as arteriovenous malformations, cavernous malformations, and other types of malformation
• Cerebral bypass procedure
• Carotid endarterectomy
• Cerebral hemorrhage