MONDAY, Feb. 24, 2014 (HealthDay News) -- A new study adds to the evidence that diabetes may boost the risk of a stroke in women but not in men.
"All women, especially those over 55 years old, [should] get their risk factors for heart disease screened and aggressively treated," said Dr. Suzanne Steinbaum, director of women and heart disease at Lenox Hill Hospital in New York City.
She said prior studies have found that women with diabetes are at higher stroke risk compared to men with the disease.
"As women go through menopause, the loss of protective estrogen allows for the risk factors of cardiovascular disease -- such as diabetes -- to wreak havoc on the arteries," explained Steinbaum, who was not involved in the new study.
According to background information in the study, women living in developed countries are more likely to die from a stroke than their male peers. In the United States, women accounted for nearly 60 percent of stroke deaths in 2010, the study authors said.
In the study, a team led by Dr. Gang Hu of the Pennington Biomedical Research Center in Baton Rouge, La., analyzed data gathered from almost 11,000 men and more than 19,000 women. During an average follow-up of almost seven years, nearly 3,000 cases of stroke occurred among the participants.
Depending on their blood sugar control, women with diabetes were 19 to 42 percent more likely to suffer a stroke than those without diabetes. The researchers also found that risk of stroke among women with diabetes was much higher for those aged 55 and older, compared to younger women.
No association between diabetes and stroke risk was found in men, according to the study published Feb. 24 in the journal Diabetologia.
"Diabetes poses a substantially greater increase in the risk of stroke among women than among men, which merits further investigation," the researchers concluded.
Why wouldn't diabetes raise men's stroke risk, too? According to Steinbaum, treatment may be key.
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Diabetes Boosts Stroke Risk for Women, But Not Men: Study