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PUBLIC RELEASE DATE: 31-Oct-2013
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ShareContact: Patrick Smith
psmith88@jhmi.edu
410-955-8242
Johns Hopkins Medicine
Results of a Johns Hopkins study published today in the journal Diabetes Care found that young and middle-aged women with type 2 diabetes are at much greater risk of coronary artery disease than previously believed.
Generally, women under 60 are at far less risk for coronary artery disease than men of the same age. But among women of that age who have diabetes, their risk of heart disease increases by up to four times, making it roughly equal to men's risk of this same form of heart disease.
"Our findings suggest that we need to work harder to prevent heart disease in women under 60 who have diabetes," says Rita Rastogi Kalyani, M.D., M.H.S., endocrinologist at the Johns Hopkins University School of Medicine and lead study author. "This study tells us that women of any age who have diabetes are at a high risk for coronary artery disease."
While men generally have a higher incidence of heart disease than women, the study found that diabetes had little or no effect on men's heart disease risk.
Kalyani said the new study is believed to be the first to focus specifically on gender differences in coronary artery disease among younger and middle-aged people with diabetes.
For the research, she and her colleagues analyzed data from more than 10,000 participants in three widely regarded studies: the GeneSTAR Research Program, the Multi-Ethnic Study of Atherosclerosis and the National Health and Nutrition Examination Survey (NHANES) III. None of the participants had a history of heart disease. All three studies yielded similar gender differences in rates of diabetes and the risk of developing heart disease.
"Our study adds to growing evidence that gender differences exist in the risk of coronary artery disease brought on by diabetes," Kalyani says.
Interestingly, in both women and men, these findings were unrelated to differences in obesity and other traditional cardiovascular risk factors such as high blood pressure, cholesterol and smoking.
Kalyani and her colleagues offer several possible explanations for the increased risk. There may be distinct genetic and hormonal factors related to the development of heart disease by gender. Differences in adherence to heart-healthy lifestyle behaviors, compliance and treatment of cardiovascular treatments between genders are also possible but need to be further investigated, Kalyani says. Also, the relationship of diabetes duration and glucose control to risk of heart disease remains unclear.
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In addition to Kalyani, the study's authors are Mario Lazo, M.D.; Pamelo Ouyang, M.B.B.S.; Karinne Chevalier, M.S.; Frederick Brancati, M.D., M.H.S.; Diane Becker, Sc.D., M.P.H.; and Dhananjay Vaidya, Ph.D., M.P.H., of the Johns Hopkins University School of Medicine, as well as Evrim Turkbey, M.D., of Radiology and Imaging Sciences at the National Institutes of Health Clinical Center.
About Johns Hopkins Medicine
Johns Hopkins Medicine (JHM), headquartered in Baltimore, Maryland, is a $6.7 billion integrated global health enterprise and one of the leading academic health care systems in the United States. JHM unites physicians and scientists of the Johns Hopkins University School of Medicine with the organizations, health professionals and facilities of The Johns Hopkins Hospital and Health System. JHM's vision, "Together, we will deliver the promise of medicine," is supported by its mission to improve the health of the community and the world by setting the standard of excellence in medical education, research and clinical care. Diverse and inclusive, JHM educates medical students, scientists, health care professionals and the public; conducts biomedical research; and provides patient-centered medicine to prevent, diagnose and treat human illness. JHM operates six academic and community hospitals, four suburban health care and surgery centers, and more than 35 Johns Hopkins Community Physicians sites. The Johns Hopkins Hospital, opened in 1889, was ranked number one in the nation for 21 years in a row by U.S. News & World Report. For more information about Johns Hopkins Medicine, its research, education and clinical programs, and for the latest health, science and research news, visit http://www.hopkinsmedicine.org.
Media Contacts: Patrick Smith
410-955-8242; psmith88@jhmi.edu or
Helen Jones
410-502-9422; hjones49@jhmi.edu
[
Share]
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
PUBLIC RELEASE DATE: 31-Oct-2013
[
]
ShareContact: Patrick Smith
psmith88@jhmi.edu
410-955-8242
Johns Hopkins Medicine
Results of a Johns Hopkins study published today in the journal Diabetes Care found that young and middle-aged women with type 2 diabetes are at much greater risk of coronary artery disease than previously believed.
Generally, women under 60 are at far less risk for coronary artery disease than men of the same age. But among women of that age who have diabetes, their risk of heart disease increases by up to four times, making it roughly equal to men's risk of this same form of heart disease.
"Our findings suggest that we need to work harder to prevent heart disease in women under 60 who have diabetes," says Rita Rastogi Kalyani, M.D., M.H.S., endocrinologist at the Johns Hopkins University School of Medicine and lead study author. "This study tells us that women of any age who have diabetes are at a high risk for coronary artery disease."
While men generally have a higher incidence of heart disease than women, the study found that diabetes had little or no effect on men's heart disease risk.
Kalyani said the new study is believed to be the first to focus specifically on gender differences in coronary artery disease among younger and middle-aged people with diabetes.
For the research, she and her colleagues analyzed data from more than 10,000 participants in three widely regarded studies: the GeneSTAR Research Program, the Multi-Ethnic Study of Atherosclerosis and the National Health and Nutrition Examination Survey (NHANES) III. None of the participants had a history of heart disease. All three studies yielded similar gender differences in rates of diabetes and the risk of developing heart disease.
"Our study adds to growing evidence that gender differences exist in the risk of coronary artery disease brought on by diabetes," Kalyani says.
Interestingly, in both women and men, these findings were unrelated to differences in obesity and other traditional cardiovascular risk factors such as high blood pressure, cholesterol and smoking.
Kalyani and her colleagues offer several possible explanations for the increased risk. There may be distinct genetic and hormonal factors related to the development of heart disease by gender. Differences in adherence to heart-healthy lifestyle behaviors, compliance and treatment of cardiovascular treatments between genders are also possible but need to be further investigated, Kalyani says. Also, the relationship of diabetes duration and glucose control to risk of heart disease remains unclear.
###
In addition to Kalyani, the study's authors are Mario Lazo, M.D.; Pamelo Ouyang, M.B.B.S.; Karinne Chevalier, M.S.; Frederick Brancati, M.D., M.H.S.; Diane Becker, Sc.D., M.P.H.; and Dhananjay Vaidya, Ph.D., M.P.H., of the Johns Hopkins University School of Medicine, as well as Evrim Turkbey, M.D., of Radiology and Imaging Sciences at the National Institutes of Health Clinical Center.
About Johns Hopkins Medicine
Johns Hopkins Medicine (JHM), headquartered in Baltimore, Maryland, is a $6.7 billion integrated global health enterprise and one of the leading academic health care systems in the United States. JHM unites physicians and scientists of the Johns Hopkins University School of Medicine with the organizations, health professionals and facilities of The Johns Hopkins Hospital and Health System. JHM's vision, "Together, we will deliver the promise of medicine," is supported by its mission to improve the health of the community and the world by setting the standard of excellence in medical education, research and clinical care. Diverse and inclusive, JHM educates medical students, scientists, health care professionals and the public; conducts biomedical research; and provides patient-centered medicine to prevent, diagnose and treat human illness. JHM operates six academic and community hospitals, four suburban health care and surgery centers, and more than 35 Johns Hopkins Community Physicians sites. The Johns Hopkins Hospital, opened in 1889, was ranked number one in the nation for 21 years in a row by U.S. News & World Report. For more information about Johns Hopkins Medicine, its research, education and clinical programs, and for the latest health, science and research news, visit http://www.hopkinsmedicine.org.
Media Contacts: Patrick Smith
410-955-8242; psmith88@jhmi.edu or
Helen Jones
410-502-9422; hjones49@jhmi.edu
[
Share]
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2013-10/jhm-wu6103113.php
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