Medical School: University of Cincinnati College of Medicine – Cincinnati, OH
Internal Medicine: Rush-Presbyterian-St. Luke’s Medical Center – Chicago, IL
Diagnostic Radiology: Tulane University Medical Center – New Orleans, LA
Neuroradiology/Endovascular Surgical Neuroradiology: Mallinckrodt Institute of Radiology,
Washington University – St. Louis, MO
American Board of Radiology 1994
Certificate of Added Qualifications in Neuroradiology 1996
Areas of Interest
Endovascular Treatment of Acute Stroke
Endovascular Treatment of Aneurysms Intracranial
Extracranial Revascularization Techniques
Publications & Presentations
The FDA approval process for medical devices: an inherently flawed system or a valuable pathway for innovation? Accepted for publication, JNIS, 2012 May. Fargen KM, Frei D, et al.
Endovascular therapy of acute ischemic stroke: report of the Standards of Practice Committee of the Society of NeuroInterventional surgery. J Neurointerv Surg. 2012 Mar 1;4(2):87-93. Epub 2012 Jan. 24. Blackham KA, Frei D et al.
The Penumbra Stroke System: a technical review. J NeuroIntervent Surg 2011. doi:10.1136/neurintsurg-2011-010080, Yoo AJ, Frei D, Tateshima S, et al.
Styloidogenic Jugular Venous Compression Syndrome: Diagnosis and Treatment. Neurosurgery. 2011 Aug 19. [Epub ahead of print Dashti SR, Nakaji P, Hu YC, Frei DF, Abla AA, Yao T, Fiorella D
The POST trial: initial post-market experience of the Penumbra system: revascularization of large vessel occlusion in acute ischemic stroke in U.S. and Europe J NeuroIntervent Surg 2010. 2:341e344. doi:10.1136/jnis.2010.002600, Tarr R, Frei D, et al.
Multimodal imaging does not delay intravenous thrombolytic therapy in acute stroke. AJNR Am J Neuroradiol. 2011 May;32(5):864-8. Epub 2011 Feb 10. Salottolo KM, Fanale CV, Leonard KA, Frei DF, Bar-Or D.
Predictors of Good Clinical Outcomes, Mortality, and Successful Revascularization in Patients With Acute Ischemic Stroke Undergoing Thrombectomy Pooled Analysis…, Stroke. 2009. 40:3777-3783, Nogeira R, Frei D, et al.
The Penumbra Pivotal Stroke Trial Safety and Effectiveness of a New Generation of Mechanical Devices for Clot Removal in Intracranial Large Vessel Occlusive Disease Stroke. 2009. 40:2761-2768, Tarr R, Frei D, et al.
Comparison of Mechanical Embolectomy and Intraarterial Thrombolysis in Acute Ischemic Stroke within the MCA: MERCI and Multi MERCI compared to PROACT II, Neurocrit Care 2009. 10:43–49, Josephson S, Frei D, et al.
Demonstration and Partial Characterization of Parasite-Specific Immunoglobulin A Responses in Human Strongyloidiasis. Journal of Clinical Microbiology. 25: 1505-1510, 1987. Robert M Genta MD, Donald F Frei MD, Michael Linke