Health + Wellness

Could Mammograms Predict Your Chance of Developing Heart Disease?


mammogram

Your annual screening mammogram may do more than spot breast cancer early — it may give you a heads up on your heart disease risk, too. For Black women, a heads up can be crucial. According to the American Heart Association, cardiovascular diseases kill nearly 50,000 Black women annually.

How mammograms may help screen for heart disease

Digital breast X-rays can also detect a build-up of calcium in the arteries of your breasts, an early sign of heart disease. These white areas — known as breast arterial calcification, or BAC — are markers of hardening in the arteries and tend to go along with advancing age, type 2 diabetes, high blood pressure and inflammation. (It is not the same as calcification of the inner layer of the arteries that is often found in smokers or people with high cholesterol.)

“A single test that is universally accepted can address the two leading causes of death in women,” says study author Dr. Carlos Iribarren. He is a research scientist at the Kaiser Permanente Northern California Division of Research, in Oakland.

For the study, his team reviewed health records of more than 5,000 women, aged 60 to 79, who underwent one or more screening mammograms. None of these women had a history of heart disease or breast cancer when the study began. They were followed for about 6.5 years.

Those whose mammogram showed breast arterial calcifications were 51% more likely to develop heart disease or have a stroke compared with women without calcium build-up in their arteries, the study found.

In addition, women with calcium build-up were 23% more likely to develop any type of heart or vascular disorder, including heart disease, stroke, heart failure and related diseases, the study shows.

“BAC provides additional information and is not intended to replace any current risk factors for heart disease,” Iribarren says.

Counseling should be done in the context of a woman’s overall heart disease risk, he notes.

RELATED: 5 Mammogram Myths Every Woman Should Know

What does your BAC status mean?

“For women with low risk, BAC presence should be a trigger of adhering to healthy lifestyles including a heart-healthy diet, avoiding smoking and exercising regularly,” he advises. “For women with intermediate-risk, BAC should also prompt a discussion with the doctor about initiating treatment for risk factors such as cholesterol, blood pressure and diabetes that are not well controlled by lifestyle alone.”

Although reporting of BAC levels is not mandatory, radiologists should include this information in their report, Iribarren shares.

“A relatively small proportion already do, but more importantly, there is research showing that women overwhelmingly want

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