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Senior Citizen Health & Medicine
Diagnoses of Type 2 Diabetes Doubles the Risk of a
Stroke in Five Years
9.1% of the diabetes group had a stroke within the
first five years
June 14, 2007 - Individuals diagnosed with Type 2
diabetes are at double the risk of having a stroke compared to those
without diabetes, according to new research from the University of
Alberta. It was found that the risk of a stroke is considered high
within the first five years of treatment for Type 2 diabetes and more
than doubles the rate of occurrence.
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For this study, the researchers entered 12,272
subjects into a Type 2 diabetes cohort. All subjects were recently
diagnosed with Type 2 diabetes and had a mean age of 64 years.
After
five years of monitoring, stroke incidence rates were compared between
the cohort and the general population.
What we found is that 9.1% of the diabetes cohort
had a stroke within the first five years of their diagnosis, Dr. Thomas
Jeerakathil, an assistant professor in neurology, at the University of
Alberta.
This is twice the risk of people without diabetes.
We also found that compared to persons from the
general population of a similar age, the relative risk for stroke was
much greater in younger persons with diabetes than for older persons."
As it has been more common to study stroke
prevalence within 10 years after diagnosis, this is the first study to
specifically examine stroke-related outcomes immediately after the
diagnosis of and initiation of treatment for Type 2 diabetes.
The American Diabetes Association notes that 65% of
people with diabetes die from heart disease or stroke.
Jeerakathil indicates it is possible that
physicians are undertreating stroke risks because of a prevailing
attitude among physicians and patients that the cardiovascular
complications of diabetes occur long after diagnosis rather than in the
first five years.
We hope our findings will help to dispel the
notion that the risk of stroke occurs only in the long term and will
improve the motivation of both patients and health care providers to
aggressively control cardiovascular risk factors soon after diagnosis.
said Jeerakathil.
The research appeared in the American Heart
Associations Stroke journal.
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