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Colin Derdeyn

Colin P Derdeyn MD

Krabbenhoft Professor and Chair, Department of Radiology, University of Iowa Hospitals and Clinics, Director, Iowa Institute for Biomedical Imaging


Dr. Derdeyn is professor of Radiology, Neurology and Neurological Surgery at Washington University and Director of the Washington University/Barnes Jewish Hospital Stroke and Cerebrovascular Center.   He has an active clinical practice limited to the management and endovascular treatment of patients with cerebrovascular disease, including brain aneurysms, arteriovenous malformations and stroke.  He currently serves as chair of the American Heart Association Stroke Council and is a past president of the Society of NeuroInterventional Surgery.   His research interests primarily relate to occlusive cerebrovascular disease and cerebral hemodynamics.   He is the NeuroInterventional Principal Investigator for the SAMMPRIS trial (U01 NS58728).  He directs an RO1 funded study of cerebral hemodynamics and stroke risk in Moyamoya disease (R01 NS 051631).  He directs the Washington University SPOTRIAS (Specialized Program for Translational Research in Acute Stroke, P50 NS55977) Center.   

Dr. Derdeyn received both his BA (Echols Scholar Program, 1984) and MD (1988) from the University of Virginia. After a year as an intern in general surgery and a year as a resident in Neurological Surgery at the University of North Carolina, Chapel Hill, he became interested in the developing field of interventional neuroradiology. He completed a Radiology residency at the Mallinckrodt Institute of Radiology, Washington University School of Medicine, in 1994, where he served as Chief Resident his final year. This was followed by a year as a research fellow in cerebrovascular disease. His final year of clinical training (1996) was spent gaining dedicated experience in neuro-endovascular techniques at the University of Wisconsin-Madison as a fellow in Interventional Neuroradiology. 


Pulse Therapeutics – stock options, mechanical adjunct to iv tPA for stroke
Penumbra – honorarium – DSMB for 3D separator trial (acute stroke treatment device)
Microvention – contract with Washington University – Angio Core Lab for LVIS trial (brain aneurysms)
Pulsar Vascular – contract with Washington University – Angio Core Lab for ANSWERS trial (brain aneurysms) 

Recent Contributions to PracticeUpdate:

  1. Mechanical Thrombectomy for Acute Ischemic Stroke