Ethnicity no bearing on heart disease
Source: Agencies |
January 28, 2011, Friday
|
Print Edition
Print Edition
HAVING a parent with a history of heart disease almost doubles a person's risk of also getting heart disease, regardless of ethnicity or country, according to an international study.
The study, which involved patients in 52 countries and appeared in the Journal of the American College of Cardiology, also suggested that if your parents had a heart attack, changing your behavior to more healthy patterns, while helpful, isn't guaranteed to protect you completely.
Previous studies have confirmed the relationship between a family history of heart disease and a person's own heart risk in certain populations, but the study also suggests the effect of family history is about the same in cultures across the world.
"This study reinforces the important role of family history as one of the very important risk factors, in addition to other known modifiable risk factors," said Christopher O'Donnell at the National Institutes of Health.
"It reinforces the need to integrate the family history into the day-to-day practice of prevention and therapy for heart disease."
The findings are from the INTERHEART study led by Salim Yusuf of McMaster University in Ontario, Canada, and involved 12,000 patients on every continent except Antarctica who were being treated for their first heart attack between 1999 to 2003.
The study also included about 15,000 age- and sex-matched controls.
About 18 percent of patients who had suffered a heart attack also had parents with a history of heart attack, compared to 12 percent of participants without heart disease.
When the researchers factored in the patient's age, sex and region of residence, those with at least one parent with a history of heart disease were 1.8 times more likely to get heart disease themselves, a number consistent across ethnicities and world regions.
The study, which involved patients in 52 countries and appeared in the Journal of the American College of Cardiology, also suggested that if your parents had a heart attack, changing your behavior to more healthy patterns, while helpful, isn't guaranteed to protect you completely.
Previous studies have confirmed the relationship between a family history of heart disease and a person's own heart risk in certain populations, but the study also suggests the effect of family history is about the same in cultures across the world.
"This study reinforces the important role of family history as one of the very important risk factors, in addition to other known modifiable risk factors," said Christopher O'Donnell at the National Institutes of Health.
"It reinforces the need to integrate the family history into the day-to-day practice of prevention and therapy for heart disease."
The findings are from the INTERHEART study led by Salim Yusuf of McMaster University in Ontario, Canada, and involved 12,000 patients on every continent except Antarctica who were being treated for their first heart attack between 1999 to 2003.
The study also included about 15,000 age- and sex-matched controls.
About 18 percent of patients who had suffered a heart attack also had parents with a history of heart attack, compared to 12 percent of participants without heart disease.
When the researchers factored in the patient's age, sex and region of residence, those with at least one parent with a history of heart disease were 1.8 times more likely to get heart disease themselves, a number consistent across ethnicities and world regions.
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