menopause and cardiovascular disease

Researchers examined the link between early menopause and cardiovascular disease risk.

Around 5% of women experience menopause before age 40. There are health risks associated with early menopause, such as osteoporosis, coronary artery disease, heart failure, and stroke. However, there is not a lot of scientific data to determine whether women who have experienced early menopause are at a greater risk of heart disease. There is hardly any research to determine whether this risk is affected by whether the woman experiences early menopause naturally or surgically induced following removal of the ovaries.

Researchers from Massachusetts General Hospital, Harvard Medical School performed a study recently published in the Journal of the American Medical Association that studied whether early menopause increased the risk of heart disease and whether natural or surgical menopause affected their risk.

Data was taken from the UK Biobank, a population-based cohort of adults in the UK. Researchers studied 144,260 women, aged 40 to 69. Participants completed a questionnaire detailing reproductive health information at the beginning of the study. Premenopausal women were excluded from the study. The participants were recruited for the study between 2006 and 2010 and were followed through August 2016.

The rate of coronary artery disease, heart failure, stroke, deep vein thrombosis, and narrowing of the arteries was tracked for all participants. Additionally, researchers collected data on blood pressure, cholesterol, diabetes, and any other health diagnoses given during the study period.

Data were statistically analyzed to determine whether there were significant links between menopause and cardiovascular disease. Natural premature menopause was experienced by 3% of the participants, and 0.4% experienced surgical menopause before age 40. These women were more likely to develop cardiovascular health problems.

Women that experienced surgical premature menopause had a slightly higher risk of cardiovascular disease than natural premature menopause subjects.

It should be noted that the data collected for the study was self-reported, which reduces the reliability of the study results. Furthermore, the study results may have been affected by a lack of information on prior hysterectomies, and potential bias in the data towards healthy individuals that may not accurately portray the risk to most women.

The results of this study correlate with prior studies that showed a link between menopause and cardiovascular disease. Further research is needed to determine the physiological processes through which premature menopause and cardiovascular disease are linked.

 

Written by Rebecca K. Blankenship, B.Sc.

 

References:

  1. Honigberg M, Zekavat S, Aragam K et al. Association of Premature Natural and Surgical Menopause With Incident Cardiovascular Disease. JAMA. 2019. doi:10.1001/jama.2019.19191
  2. Early or premature menopause | Womenshealth.gov. womenshealth.gov. https://www.womenshealth.gov/menopause/early-or-premature-menopause. Published 2019. Accessed November 23, 2019.

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