Breast cancer survivors have higher risk for diabetes, high blood pressure

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Scientists from Kaiser Permanente found that women with a history of breast cancer have a higher incidence of hypertension and diabetes up to 10 years following diagnosis.

The research is published in the Journal of Clinical Oncology and was conducted by Marilyn L. Kwan et al.

In the study, the team examined 14,942 women with invasive breast cancer (diagnosed from 2005 to 2013) to women with no cancer.

The researchers found that breast cancer survivors had a higher risk of high blood pressure and diabetes after two years compared with controls, with higher diabetes incidence persisting after 10 years.

Breast cancer survivors had a higher risk for diabetes versus healthy people. Diabetes risk continued to be higher among survivors treated with chemotherapy, left-sided radiation, or endocrine therapy.

For cases receiving left-sided radiation or endocrine therapy, high blood pressure risk was higher.

Higher risk was seen for cases with normal weight both overall and within treatment subgroups versus healthy people.

These findings highlight patients with breast cancer as a vulnerable population at higher risk of cardiometabolic risk factors.

The study supports targeted heart surveillance by specific patients and treatment to reduce the risk.

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