Division of Neurology

Demetrios J. Sahlas


MG DeGroote Professor in Stroke Management, Department of Medicine,
Faculty of Health Sciences, McMaster University

Associate Professor, Division of Neurology, Department of Medicine,
McMaster University

Director, Neurology Residency Training Program, Department of Medicine, McMaster University

Central South Regional Stroke Centre, Hamilton General Hospital,
Hamilton Health Sciences

Education and Professional Standing

Dr. Sahlas obtained his degree in Medicine in 1996 from McMaster University and completed his postgraduate training in Neurology at McGill University in 2001, followed by a fellowship in Behavioural Neurology and Stroke at the University of Toronto. He joined the Division of Neurology at Sunnybrook Health Sciences Centre in 2003, and served as Director of the North and East GTA Regional Stroke Prevention Clinic from 2003-2008.

In March, 2008, he took a position at McMaster University in Hamilton, Ontario, joining the Division of Neurology at the Hamilton General Hospital, the Regional Stroke Centre for Central South Ontario. In July, 2008 he became the inaugural recipient of the MG DeGroote Professorship in Stroke Management, and also began a five-year term as Champion, Best Practices across the Continuum of Care on the Board of Directors of the Ontario Stroke Network.

Research Interests

The diagnosis and management of carotid artery disease, the use of transcranial doppler (TCD) ultrasound in the prevention and treatment of cerebrovascular disease, and the cognitive and neuropathological correlates of chronic microvascular ischemic changes involving the periventricular and subcortical white matter.

Dr. Sahlas is also a member of the Canadian Stroke Consortium and has been site-investigator and principal investigator for several clinical trials involving stroke prevention, acute stroke treatment, and vascular cognitive impairment.

Selected Publications

  1. Sahlas DJ, Gould L, Swartz R, Mohammed N, McNicoll-Whiteman R, Naufal F, Oczkowski W. Tissue plasminogen activator overdose in acute ischemic stroke patients linked to poorer functional outcomes. J Stroke Cerebrovasc Dis. 23(1):155-9, 2014.
  2. Mai L, Oczkowski W, MacKenzie G, Shuster A, Wasielesky L, Franchetto A, Patlas M, Sahlas DJ. Screening for Cognitive Impairment in a Stroke Prevention Clinic Using the MoCA. Canadian Journal of Neurological Sciences 40(2):192-7, 2013.
  3. Alexander LD, Pettersen JA, Hopyan JJ, Sahlas DJ, Black SE. Long-term prediction of functional outcome after stroke using the Alberta Stroke Program Early Computed Tomographic Score in the Subacute Stage. J Stroke Cerebrovasc Dis. 21(8):737-44, 2012.
  4. MacKenzie G, Gould L, Ireland S, LeBlanc K, Sahlas D. Detecting Cognitive impairment in clients with mild stroke or transient ischemic attack attending a stroke prevention clinic. Can J Neurosci Nurs 33(1):37-50, 2011.
  5. Wada R, Aviv RI, Fox AJ, Sahlas DJ, Gladstone DJ, Tomlinson G, Symons SP. CT angiography "spot sign" predicts hematoma expansion in acute intracerebral hemorrhage. Stroke 38(4):1257-1262, 2007.
  6. Murphy BD, Fox AJ, Lee DH, Sahlas DJ, Black SE, Hogan MJ, Coutts SB, Demchuk AM, Goyal M, Aviv RI, Symons S, Gulka IB, Beletsky V, Pelz D, Hachinski V, Chan R, Lee T-Y. Identification of penumbra and infarct in acute ischemic stroke using CT Perfusion derived blood flow and blood volume measurements. Stroke 37(7):1771-1777, 2006.