Dynamite News Pregnancy Complications Linked To Increased Risk Of Heart Disease: Study
Certain pregnancy issues raise the chance of heart disease later in life. Read full story on Dynamite News:
Washington: Certain pregnancy issues raise the chance of heart disease later in life. However, much more research is needed to understand how arteriosclerosis occurs between pregnancy and heart disease later in life. A new study led by Lund University researchers in Sweden finds that constriction and calcification of the blood arteries of the heart are more common in women who had previously experienced pregnancy problems. Despite complications in pregnancy having increasingly been acknowledged as a new type of risk factor for heart disease, it is yet to be determined how this information can best be used within healthcare.
"Our results suggest that the correlation exists even among women with a low expected risk of cardiovascular disease. The study is an important piece of the puzzle in understanding how women with pregnancy complications should be followed-up by their healthcare provider after pregnancy," said Simon Timpka, associate professor of clinical epidemiology who leads the research team Perinatal and Cardiovascular Epidemiology at Lund University and is a resident in obstetrics and gynaecology at Skane University Hospital.
Researchers included 10,528 women from the National Medical Birth Register* who have subsequently gone on to participate in the large population study SCAPIS - Swedish CArdiopulmonary bioImage Study -- at age 50-65 years. All the women underwent CT scanning of the coronary arteries (coronary computed tomography angiography) in order to detect calcification of blood vessels, narrowing and other signs of heart disease. The researchers investigated signs of heart disease by history of five common complications in pregnancy: pre-eclampsia, high blood pressure during pregnancy (gestational hypertension), preterm delivery, gestational diabetes and infants born small for gestational age.
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Four per cent more of the women with pregnancy complications had visible atherosclerosis of the coronary arteries, compared to the group who had not had complications in pregnancy (32 per cent as opposed to 28 per cent).
The greatest link was for pre-eclampsia and gestational hypertension. Among women who had not experienced any complications in pregnancy, two per cent had narrowing in coronary arteries while the corresponding number among women who previously suffered from pre-eclampsia or pregnancy-induced hypertension was five per cent. "To reduce the risk of these women developing coronary heart disease in the future, it is important that they check risk factors such as blood pressure, blood sugar and cholesterol regularly," said Sofia Sederholm Lawesson, consultant cardiologist at the University Hospital in Linkoping and one of the co-authors of the study.
"In this study, we have investigated many different associations between complications in pregnancy and heart disease all at once, so it is possible that chance might explain individual results," said Simon Timpka, adding, "Yet the pattern is relatively consistent, which makes it easier to draw conclusions including that women with prior pre-eclampsia have changes in the coronary arteries that are equivalent to the changes seen in women who have not experienced complications in pregnancy but are five to ten years older."
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According to Simon Timpka, CT scans of the coronary arteries are increasingly used in patients presenting with symptoms, but there is still a lack of large studies into the significance over time of some of the studied changes among women without current symptoms.
"Even if our study provides new knowledge on the development of coronary heart disease among middle-aged women who have previously suffered complications in pregnancy, there is a need for long-term studies in order to understand the true meaning that our discoveries have for symptomatic disease," said Timpka. (ANI)