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This profile was last updated on 2/18/15  and contains information from public web pages and contributions from the ZoomInfo community.

Dr. Andre G. Douen

Wrong Dr. Andre G. Douen?

Director, West GTA Stroke Program

Phone: (905) ***-****  HQ Phone
Trillium Health Partners
100 Queensway West
Mississauga , Ontario L5B 1B8

Company Description: Working with our community, Trillium Health Partners Foundation is dedicated to raising the critical funds needed to address the highest priority needs of Trillium...   more

Employment History


  • MD
  • PhD
19 Total References
Web References
West GTA Stroke Network - From Prevention to Recovery - Meet Our Team, 2 May 2015 [cached]
Dr. Andre Douen
Regional Medical Director
eDucate |  Reviewers List, 29 Oct 2015 [cached]
Andre G. Douen, MD, PhD, FRCPC, FAHA
Consultant Neurologist
Former Division Head, Neurology
Dr. Andre Douen, MD, PhD, ..., 29 Jan 2014 [cached]
Dr. Andre Douen, MD, PhD, FRCPC
Division Head Neurology and Service Medical Director of the West GTA Stroke Program
Dr. Andre Douen is the chief ..., 22 June 2009 [cached]
Dr. Andre Douen is the chief of neurology at Trillium Health Centre (THC).
Dr. Andre Douen, chief of neurology at THC, echoed the findings of a recent report by the Heart and Stroke foundation which shows a correlation between AF and stroke. The report says vast majority of people with AF may not be aware of the risk. The Heart and Stroke report says about 250,000 Canadians suffer from AF but only four per cent of the patients know of the danger. While AF is rare in people under 40, its prevalence increases with age. After the age of 55, the incidence of AF doubles with each decade of life and with other risk factors for heart disease and stoke such as high blood pressure, diabetes and underlying heart disease. "Atrial fibrillation is a very significant risk factor for stroke," said Douen, who's also the medical director of the west GTA regional stroke program. "In fact, by itself, it's probably the single-most offending agent in terms of causing stroke." Douen said hypertension is the most commonly known risk factor for stroke because it affects more people in the society, however, AF is also known as a "silent killer." "The problem is, as we age, atrial fibrillation increases such that, at about age 75, it may affect close to six per cent of the population," Douen said.
Douen asks people who experience shortness of breath and fluttering sensation in their heart to talk to their family doctor.
A stroke is a serious neurological ..., 3 Oct 2010 [cached]
A stroke is a serious neurological event that can cause permanent damage and even death, so time is of the essence when treating stroke, says Dr. Andre Douen, department head of neurology at Trillium Health Centre.
But how do you know if you're having a stroke?
Douen says the signs and symptoms of a stroke include "weakness, so loss of the use of an arm or leg, or weakness of the face. Numbness, particularly if it involves one side the body, involving the arm or leg, again, sometimes the face. Loss of speech, loss of vision and dizziness is in there," he says, but usually only "if in association with one of the other components I mentioned, such as loss of speech, slurring of speech, or weakness on one side of the body."
Douen goes on to explain that there are many risk factors that can lead to stroke, the main one being getting older. "So a lot of seniors are at risk just from aging," explains Douen.
The wear and tear on the body and the blood vessels leads to plaque formation, which Douen describes as crud in the blood vessels, and can sometimes cause additional clots to form.
Whether surgery is required or not, Douen reiterates that it's important for the public to be aware of the signs and symptoms of stroke so they can present to the emergency department of their local hospital if they suspect they are suffering from a stroke.
The reason being, Douen explains, is because "we do have clot busting drugs. The one that we use for stroke patients is called TPA, that's the shortened name of it. And we have to administer that drug to non-bleeding strokes within about four and a half hours of the event occurring."
Additionally, "CT scans have to be done before the patient is treated to make sure that there's no blood in the brain. Then," Douen goes on, "if the opportunity is there, we would administer TPA to the patient. It does carry a small risk of bleeding, about six per cent, but there's overwhelming benefit from using the drug in stroke patients."
Other types of investigation done when someone presents with a stroke include regular blood work to ensure there's nothing wrong with the patient's electrolytes or hemoglobin. An ECG is done to monitor the heart rate because there are some types of heart rates that may be associated with stroke.
"The CT scan is done," Douen says again, "to make sure it's an ischemic stroke, that's the non-bleeding stroke, as compared to a bleeding stroke, because the management is a little different."
A carotid doppler, or an ultrasound of the blood vessels of the neck, is done, "not necessarily in the acute setting," Douen says, "but certainly within the next two or three days following the stroke."
This is important because plaque build-up, or atherosclerosis, narrows the blood vessels, which can lead to further clot formation. "Those clots," Douen says, "can either block the blood vessel directly in the neck, or sometimes they break off and shoot towards the brain. And that's where we need to understand if there's blockage then we may give the opportunity for probably a surgical procedure to open up that blood vessel, if the patient is a good surgical candidate."
For cases in which a surgical maneuver to clear the plaque isn't an option, Douen says "there might be an opportunity there to get in and to balloon that open, balloon the narrowing open, and sometimes leaving an alloy, a piece of metal behind, as we refer to as a stent, to hold the blood vessel open."
Douen explains that he says "there may be an opportunity," because "I don't actually want to give the impression that it's available for everyone, we do select patients carefully to make sure that the benefit outweighs the risk."
At Trillium Health Centre, all of these investigations and tools are available to patients suffering a stroke in Oakville, Mississauga, Brampton, as far north as Orangeville, and parts of Etobicoke.
"Trillium is a regional stroke centre," says Douen, "so we do have the entire service available for treating patients," including a 24 hour stroke service, an intensive care stroke unit, and of course neurosurgeons to assist with surgical procedures, when required.
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