THURSDAY, May 24 (HealthDay News) — While fewer people in the
United States are dying from strokes, the number of strokes has remained
about the same, health officials report. And their findings bear out the
South’s reputation as the nation’s so-called “stroke belt.”
According to the report on stroke prevalence from 2006 to 2010, the
number of self-reported strokes dipped slightly from 2.7 percent to 2.6
percent during that time. However, disparities still exist by geography,
race and ethnicity, says the U.S. Centers for Disease Control and
Prevention.
“Overall, there is not much change in these five years,” said lead
report author Dr. Jing Fang, an epidemiologist in CDC’s Division of Heart
Disease and Stroke Prevention.
Only two states — Georgia and South Dakota — showed a significant
decrease, she added.
However, deaths from stroke decreased significantly, with the CDC
reporting a 3.6 percent decline from 2007 to 2008. More people survive
strokes primarily because of better treatment.
Since this report is based on people reporting they had a stroke, it’s
no surprise that reported strokes did not drop significantly, and actually
an increase in reported stroke would be expected, Fang said.
“Since mortality has decreased it means that more people say: ‘yes,
they had a stroke,'” she said.
The report was published in the May 25 issue of the CDC’s Morbidity
and Mortality Weekly Report.
Geographically, there continues to be high incidence of stroke in
Southeastern states, although some other states had high rates.
States with the highest rates of stroke include South Carolina,
Alabama, Mississippi, Louisiana, Arkansas, Oklahoma, Tennessee, Kentucky,
Missouri and Nevada.
Those with the lowest rates include New York, Michigan, Colorado,
Minnesota, Wisconsin, Wyoming and the New England states.
Older people, American Indians/Alaska Natives, blacks and people with
lower levels of education had more strokes than younger people, whites and
those with higher levels of education, the researchers found.
The disparities in stroke, a leading cause of long-term disability, are
largely due to lifestyle factors including obesity, high blood pressure
and smoking, Fang said.
“Southern states have higher rates of obesity, smoking and
hypertension, which are all risk factors for stroke,” she said.
This is also true for blacks and American Indians/Alaska Natives, and
people with lower levels of education, Fang said.
Dr. Ralph Sacco, chair of neurology at the University of Miami Miller
School of Medicine, said it is “reassuring that some of our stroke
prevention efforts seem to be working.”
However, he said, “The disparities in stroke prevalence by age, race
and education continue to highlight the importance of stroke in certain
segments of our population who need more intensive stroke prevention and
treatment efforts.”
Sacco noted that with an aging U.S. population, better data and
monitoring will be needed to avoid higher rates of stroke in the
future.
More information
To learn more about stroke, visit the U.S.
National Library of Medicine.
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