Pregnancy disorder signals need to screen for heart disease

Nov 04, 2008

High blood pressure experienced during pregnancy could be a woman's earliest warning that she is at risk of developing heart disease – the number one killer of Canadian women – says Queen's University professor of Obstetrics and Gynecology, Graeme Smith.

Called pre-eclampsia, this type of high blood pressure occurs in 5-10 per cent of all pregnancies.

But because most practicing physicians are unaware of the connection between pre-eclampsia and the risk for future cardiovascular problems, they fail to follow up with screening tests. As a result, their patients aren't taking proactive steps to avoid potential heart attacks and strokes.

According to the 2007 Heart and Stroke Foundation Annual Report on Canadians' Health, Canadian women have now caught up to men in cardiovascular deaths, with almost 37,000 deaths annually from heart disease and stroke.

"This should be on every obstetrician's and family doctor's radar screen," says Dr. Smith, an expert in high-risk obstetrics who is affiliated with Kingston General Hospital's Perinatal Research Unit. "What's exciting for our research team is that we're mostly dealing with young, healthy women who now have the opportunity to protect themselves from developing a life-threatening condition years down the road."

The findings are published on-line in the American Journal of Obstetrics and Gynecology.

The study, which began five years ago, has followed the progress of 400 Ontario women, half of whom developed pre-eclampsia during their pregnancy. When screened a year after delivery, the women with pre-eclampsia showed underlying cardiovascular risk factors of elevated blood pressure and lipids (fats) at a rate that was two to three times greater than the control group.

In a recent study showing that the incidence of hypertension (high blood pressure) in Ontario women of reproductive age is the same as the incidence of pre-eclampsia – about seven per cent – the researchers conducting the survey failed to ask women about their pregnancies. "The awareness isn't there yet," says Dr. Smith, suggesting that guidelines be established for longer-term follow-up.

Noting that pregnancy is a type of stress test for people who are already in the health care system, he adds: "It can reflect underlying problems that may be reduced by changes in lifestyle before medication is required."

Source: Queen's University

Explore further: Bill under debate would limit farm antibiotics in Oregon

Related Stories

Risk of Newborn Heart Defects Increases with Maternal Obesity

Apr 08, 2010

(PhysOrg.com) -- The more obese a woman is when she becomes pregnant, the greater the likelihood that she will give birth to an infant with a congenital heart defect, according to a study conducted by researchers at the National ...

Recommended for you

An explanation of wild birds' role in avian flu outbreak

34 minutes ago

Wild birds are believed to be behind the first major widespread outbreak of bird flu in the United States, with the virus confirmed in the animals in 10 states. Here are some questions and answers about how wild birds remain ...

Gastroenterology Special Issue confirms: You are what you eat

3 hours ago

Patients are always interested in understanding what they should eat and how it will impact their health. Physicians are just as interested in advancing their understanding of the major health effects of foods and food-related ...

Gonorrhoea and syphilis in Norway in 2014

5 hours ago

Reported cases of gonorrhea continue to increase in Norway, both among men who have sex with men (MSM) and among heterosexuals. The increase of gonorrhea among heterosexual women was particularly significant. ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.