Call for heart checks in pregnancy

Women with complicated pregnancies are often unaware of their higher risk of heart disease, Australian researchers warn in a new paper published in respected journal PLOS ONE.

Major complications including high blood pressure, preeclampsia or gestational diabetes during pregnancy can increase the risk of developing cardiovascular disease by two to three times compared to women with uncomplicated pregnancy – however awareness remains low, the South Australian study found.

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Researchers from the Robinson Research Institute and Flinders University conducted in-depth interviews with 26 pregnant women and found the majority did not know about the link between major pregnancy complications and risk of heart disease.

Lead author Dr Prabha Andraweera says that the focus group discussions were held with 13 women with pregnancy complications and 13 who had healthy pregnancies at the Lyell McEwin Hospital to assess whether women were aware of this risk.

“We wanted to know about young mothers’ perceptions about the risks to their future health after having a major pregnancy complication, so we asked them in focus groups and by a questionnaire,” says Dr Andraweera, from the Robinson Research Institute at the University of Adelaide.

“The women also thought that they should be given an appointment to attend the hospital for cardiovascular risk screening after pregnancy and that the appointment date should be given before they go home with their new baby.”

Dr Anya Arthurs and Professor Claire Roberts at the Pregnancy Health and Beyond (PHaB) Lab at Flinders University.

Matthew Flinders Professor Claire Roberts, from Flinders University, noted that women who had experienced gestational diabetes had greater awareness of the risk of developing type 2 diabetes.

“This is likely due to the fact there is a national gestational diabetes registry and women are advised to have regular testing for blood glucose levels,” says Professor Roberts.

“Our study shows that women want information and are keen to engage with postnatal health professionals to prevent future heart disease.

“Feedback from the study found almost all of the women would be happy to attend a regular heart health clinic after their baby is born and many liked the idea of a hospital-based clinic because they were used to having regular visits during their pregnancy.”

The women interviewed expressed interest in finding out how to look after their heart health during their pregnancy and after pregnancy, but not just in booklets and printed materials.

Meanwhile, co-author Associate Professor Margaret Arstall, the Director of Cardiology at the Lyell McEwin Hospital, has established a hospital-based clinic for women who have experienced a major pregnancy complication that provides testing and counselling at six and 18 months after the birth of their baby.

The article, Pregnancy complications and cardiovascular disease risk perception: A qualitative study (2022) by PH Andraweera, Z Lassi, M Pathirana, M Plummer, GA Dekker, CT Roberts and MA Arstall has been published online in PLOS One on 22 Jul 2022 DOI: 10.1371/journal.pone.0271722.

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College of Medicine and Public Health Research