High Levels of Testosterone in Postmenopausal Women Increases Risk of Heart Disease and Stroke

By: Mohan Garikiparithi | Health News | Thursday, May 31, 2018 - 11:30 AM

postmenopause heartA new study from the researchers at John Hopkins has found that postmenopausal women with more male sex hormones than female hormones are at an increased risk for cardiovascular disease. The literature on this topic is not entirely lacking in evidence to support this, either.

Women are generally at a lower risk of developing heart disease than men, which was previously thought to relate to the higher estrogen levels in women. At menopause, these estrogen levels drop off, which could give some basis to this hypothesis, as heart disease risk in women increases post-menopause. The trouble with this theory, however, is that using hormone replacement therapy to maintain estrogen levels has not been proven to reduce the risk of heart disease in postmenopausal women.

After Five Years, Five Percent of Patients Developed Cardiovascular Disease

The current study analyzed the data of more than 2,800 women. The average age of the participants at the outset of the experiment was 65. None of the participants suffered from cardiovascular disease at the beginning of the trials. Initial assessments took place between 2000 and 2002 and participants admitted themselves for follow-ups over 12 years.

At the five-year mark, nearly five percent of the participants had developed cardiovascular disease. These women also had higher testosterone levels than the other participants. The results showed that women with increased testosterone levels had a 19 percent increased risk of cardiovascular disease, a 45 percent increased risk of coronary heart disease, and a 31 percent increased risk of heart failure.

This study was observational in nature, however, and does not prove the cause of the relationship. The results of the study shows a correlation between higher levels of male sex hormones in postmenopausal women and increased incidence of cardiovascular disease, outside of other typical risk factors for heart disease and stroke.

“A woman’s sex hormone levels and ratios of them isn’t something that physicians regularly check,” says Erin Michos, one of the researchers behind the study. “Because an imbalance in the proportion of testosterone (the main male sex hormone) to estrogen (the main female sex hormone) may affect heart disease risk, physicians may want to think about adding hormone tests to the toolbox of screen-able risk factors, like blood pressure or cholesterol, to identify women who may be at higher risk of heart or vascular disease. But this needs further study.”

The researchers suggest that regular hormone screenings may be a good first step in identifying postmenopausal women who are at an increased risk for heart disease and stroke. They do not recommend the use of additional hormone therapies to attempt to curb the risks associated with imbalanced hormone levels, as there is not a strong enough foundation of research on these methods. Identifying and managing other risk factors for heart diseases in this population is currently the best plan of action.

Also read: 10 foods that increase estrogen levels naturally


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Related Reading:

Heart attack symptoms in women: Risk Factors when at 40, 50, 60

Enlarged heart (cardiomegaly): Causes, symptoms, diagnosis and treatment

Sources:

https://www.hopkinsmedicine.org/news/media/releases/sex_hormone_levels_alter_heart_disease_risk_in_older_women
https://www.sciencedirect.com/science/article/pii/S0735109718343614

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