The high prevalence and impact of rheumatic heart disease in pregnancy in First Nations populations in a high-income setting: a prospective cohort study

E. A. Sullivan, G. Vaughan, Z. Li, M. J. Peek, J. R. Carapetis, W. Walsh, J. Frawley, M. G.W. Rémond, B. Remenyi, L. Jackson Pulver, S. Kruske, S. Belton, C. McLintock

    Research output: Contribution to journalArticle

    Abstract

    Objective: To describe the epidemiology of rheumatic heart disease (RHD) in pregnancy in Australia and New Zealand (A&NZ). Design: Prospective population-based study. 

    Setting: Hospital-based maternity units throughout A&NZ. Population: Pregnant women with RHD with a birth outcome of ≥20 weeks of gestation between January 2013 and December 2014. Methods: We identified eligible women using the Australasian Maternity Outcomes Surveillance System (AMOSS). De-identified antenatal, perinatal and postnatal data were collected and analysed. 

    Main outcome measures: Prevalence of RHD in pregnancy. Perinatal morbidity and mortality. Results: There were 311 pregnancies associated with women with RHD (4.3/10 000 women giving birth, 95% CI 3.9–4.8). In Australia, 78% were Aboriginal or Torres Strait Islander (60.4/10 000, 95% CI 50.7–70.0), while in New Zealand 90% were Māori or Pasifika (27.2/10 000, 95% CI 22.0–32.3). One woman (0.3%) died and one in ten was admitted to coronary or intensive care units postpartum. There were 314 births with seven stillbirths (22.3/1000 births) and two neonatal deaths (6.5/1000 births). Sixty-six (21%) live-born babies were preterm and one in three was admitted to neonatal intensive care or special care units. 

    Conclusion: Rheumatic heart disease in pregnancy persists in disadvantaged First Nations populations in A&NZ. It is associated with significant cardiac and perinatal morbidity. Preconception planning and counselling and RHD screening in at-risk pregnant women are essential for good maternal and baby outcomes. 

    Tweetable abstract: Rheumatic heart disease in pregnancy persists in First Nations people in Australia and New Zealand and is associated with major cardiac and perinatal morbidity.

    Original languageEnglish
    Pages (from-to)47-56
    Number of pages10
    JournalBJOG: an International Journal of Obstetrics and Gynaecology
    Volume127
    Issue number1
    Early online date12 Sep 2019
    DOIs
    Publication statusPublished - Jan 2020

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    Sullivan, E. A., Vaughan, G., Li, Z., Peek, M. J., Carapetis, J. R., Walsh, W., Frawley, J., Rémond, M. G. W., Remenyi, B., Jackson Pulver, L., Kruske, S., Belton, S., & McLintock, C. (2020). The high prevalence and impact of rheumatic heart disease in pregnancy in First Nations populations in a high-income setting: a prospective cohort study. BJOG: an International Journal of Obstetrics and Gynaecology, 127(1), 47-56. https://doi.org/10.1111/1471-0528.15938