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Marlise dos Santos, MD (FRCPC), MSc, MPH

Marlise dos Santos

Clinician Investigator, Clinical Epidemiology Program
Ottawa Hospital Research Institute
Associate Professor of Radiology, Department of Medical Imaging
University of Ottawa
Diagnostic Neuroradiologist, Department of Medical Imaging
The Ottawa Hospital
Interventional Neuroradiologist, Department of Medical Imaging
The Ottawa Hospital
Masters of Public Health and Clinical Epidemiology, T.H. Chan School of Public Health
Harvard University
FRCPC, Neuroradiology
Royal College of Physicians and Surgeons of Canada
FRCPC, Clinical Neurology
Royal College of Physicians and Surgeons of Canada
Active Member, CPSO Lincense Number 79928
College of Physicians and Surgeons of Ontario

Research Interests

Patient Safety and Quality Improvement

Public Health


Advanced Techniques in Vessel Wall Imaging

Neurovascular Anatomy

Head and Neck Diseases

Long-term Outcome in the Endovascular Treatment of Vascular Lesions

Brief Biography

Faculty Appointment: Associate Professor of Radiology

Specialty: Diagnostic and Interventional Neuroradiology

Clinical Interests: Neuro CT/MRI, Head and Neck Imaging, Vessel wall imaging, Lumbar Punctures, Myelography, MR perfusion, MR spectroscopy, Diffusion Kurtosis Imaging, Neuro-angiography, Endovascular treatment of Brain, Head &Neck and Spinal Vascular Lesions, Whole Body Percutaneous Sclerotherapy of Vascular Malformations.

Residency: Clinical Neurology - Fundação Faculdade Federal de Ciências Médicas de Porto Alegre – FFFCMPA, Porto Alegre, RS, Brazil (1998-2000).

Fellowship(s): Diagnostic and Interventional Neuroradiology, University of Toronto, Toronto, ON, Canada (2003-2006). Diagnostic and Interventional Neuroradiology, FFFCMPA, Porto Alegre, RS, Brazil (2000-2003).

Master of Science in Neurovascular Diseases (thesis-based): 2004-2006. 

Dr. Marlise Santos is an Associate Professor in the Department of Medical Imaging at the University of Ottawa. She is part of the Neuroradiology Section at The Ottawa Hospital and practices diagnostic and interventional neuroradiology. Dr. Santos has been the principal investigator for several studies endorsed by the Ottawa Hospital Research Institute. She has published multiple articles in the field of diagnostic and interventional neuroradiology. 

She holds Academic Certifications in Clinical Neurology and in Neuroradiology by the Royal College of Physicians and Surgeons of Canada. Dr. Santos has received the Best Radiology Teacher Award for the University of Ottawa Medical School Undergraduates in 2012 and The Ottawa Hospital’s Patient Safety Star Award in 2014.

In May 2018, Dr. Santos completed a Masters of Public Health and Clinical Epidemiology with Harvard University.  

Selected Publications

1. Fitzpatrick, L.A., Berkovitz, N., dos Santos, M.P., Majeed, N., Glikstein, R., Chakraborty, S., Stotts, G., Veinot, J.P., Berthiaume, A., Chatelain, R.. "Vulnerable Carotid Plaque Imaging and Histopathology Without a Dedicated Receiver Coil". Neuroradiol J. 2017 Apr;30(2):120-128.

2. English, S.W., McIntyre, L., Fergusson, D., Turgeon, A., dos Santos, M.P., Chassé M., Sinclair J., Forster A., van Walraven C. "Subarachnoid Hemorrhage Admissions Retrospectively Identified Using A Prediction Model." Neurology. 2016 Oct 11;87(15):1557-1564.

3. Kenny, S.A., Majeed, N., Zhand, N., Glikstein, R., Agid, R., dos Santos, M.P. Psychological comorbidities and compliance to interventional treatment of patients with cutaneous vascular malformations. Interventional Neuroradiology. 2016 Aug;22(4):489-94.

4. dos Santos, M.P., Zhang, J., Ghinda, D., Glikstein, R., Agid, R., Rodesch, G., Tampieri, D., terBrugge, K.G. "Imaging diagnosis and the role of endovascular embolization treatment for vascular intraspinal tumors". Neurosurg Focus. 2015 Aug;39(2):E16.

5. dos Santos, M.P., Sabri, A., Dowlatshahi, D., Bakkai, Ali M., Elallegy, A. "Survival Analysis of Risk Factors for Major recurrence of Intracranial Aneurysms after Coiling". Canadian Journal of Neurological Sciences. 2015;42:40-47.  

6. Dinculescu, V., Ritter, A.C.M., dos Santos, M.P., Mohan, R.M., Schwarz, B.A. "Factors Determining Periprocedural and Long-term Complications of High Risk Carotid Artery Stenting". Canadian Journal of Neurological Sciences. 2015;42:48-54.  

7. Ghinda, D., dos Santos, M.P., Sabri, A. "Clinical and Angiographic Outcomes of Stent-assisted Coiling of Intracranial Aneurysms". Interventional Neuroradiology. 2015 Apr;21(2):146-54.

8. Ahmed, M.E., Patro, S., Thornhill, R., Hogan, M., dos Santos, M.P., Dowlatshahi, D. “Computed Tomographic Angiography and Cerebral Blood Volume Can Predict Final Infarct Volume and Outcome after Recanalization”. Stroke. 2014;45(9):2683-8.

Diseases, conditions and populations of interest

Alzheimer's; Anxiety; Ataxia; Autoimmune diseases of the nervous system; Brain and neuromuscular disease; Brain cancer; Cancer; Concussion; Concussion; Dementia; Dementia; Depression; Global health; Head and neck cancer; Health equity; Health in disadvantaged peoples; Infectious disease; Intellectual disabilities; Multiple sclerosis; Parkinson's; Population health; Spinal cord injury; Spinal cord injury; Stroke; Stroke; Subarachnoid hemorrhage; Subarachnoid hemorrhage; Thrombosis / thromboembolism; Traumatic brain injury; Traumatic brain injury; Traumatic injuries; Vascular cognitive impairment; Vascular cognitive impairment; Vascular, heart and metabolic disease

Research and clinical approaches

Basic research; Behaviour; Clinical decision rules; Clinical trials; Cohort studies; Critical care; Drug development; Epidemiology; Health economics; Health research methods; Health services research; Health technology; Imaging; Patient safety; Pragmatic trials; Prevention; Public health; Qualitative methods; Quality Improvement; Shared decision making; Surgery; Surveys; Systematic reviews; Translational research