New discoveries in the blood vessels of preeclampsia survivors might help us understand future heart disease risk
The link between a history of preeclampsia and a higher risk for cardiovascular disease later in life has been reported in research now for many years. However, there are missing pieces to the story such as why and how survivors may develop cardiovascular disease. In this study, researchers were searching for possible changes to the blood vessels in women with a history of preeclampsia that had not yet developed any heart disease compared to women without a history of preeclampsia. By looking before preeclampsia survivors had developed any heart disease, the researchers were hoping to find early changes in the cardiovascular system that might be leading to or be a future cause for heart disease developing. To answer this question, the researchers studied the microvascular endothelial function (how the lining of very small blood vessels was working) in the forearms of 30 women with history of preeclampsia and 30 women without history of preeclampsia between 6 months and 5 years postpartum. The researchers were able to find specific early impairments in the microvascular function of the survivors of severe preeclampsia (systolic BP > 160 mmHg or diastolic BP > 110mmHg) only, even though they had not yet gone on to develop any vascular disease. These impairments were not seen in survivors of mild preeclampsia (systolic BP > 140mmHg or diastolic BP > 90mmHg) only severe preeclampsia survivors. This study could help researchers and doctors understand why and how survivors of severe preeclampsia are at a high risk for developing cardiovascular disease in later life.
Link: https://pubmed.ncbi.nlm.nih.gov/33481699/
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Each quarter, our team of researchers reviews the most current studies related to hypertensive disorders of pregnancy and selects those studies they feel will be of greatest interest to our community to summarize.
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