Influence of socioeconomic factors on pregnancy outcome in women with structural heart disease

van Hagen, Iris M., Baart, Sara, Fong Soe Khioe, Rebekah, Sliwa-Hahnle, Karen, Taha, Nasser, Lelonek, Malgorzata, Tavazzi, Luigi, Maggioni, Aldo Pietro, Johnson, Mark R, Maniadakis, Nikolaos, Fordham, Richard, Hall, Roger, Roos-Hesselink, Jolien W. and , ROPAC investigators (2018) Influence of socioeconomic factors on pregnancy outcome in women with structural heart disease. Heart, 104 (9). pp. 745-752. ISSN 1355-6037

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Abstract

OBJECTIVE: Cardiac disease is the leading cause of indirect maternal mortality. The aim of this study was to analyse to what extent socioeconomic factors influence the outcome of pregnancy in women with heart disease.  METHODS: The Registry of Pregnancy and Cardiac disease is a global prospective registry. For this analysis, countries that enrolled ≥10 patients were included. A combined cardiac endpoint included maternal cardiac death, arrhythmia requiring treatment, heart failure, thromboembolic event, aortic dissection, endocarditis, acute coronary syndrome, hospitalisation for cardiac reason or intervention. Associations between patient characteristics, country characteristics (income inequality expressed as Gini coefficient, health expenditure, schooling, gross domestic product, birth rate and hospital beds) and cardiac endpoints were checked in a three-level model (patient-centre-country).  RESULTS: A total of 30 countries enrolled 2924 patients from 89 centres. At least one endpoint occurred in 645 women (22.1%). Maternal age, New York Heart Association classification and modified WHO risk classification were associated with the combined endpoint and explained 37% of variance in outcome. Gini coefficient and country-specific birth rate explained an additional 4%. There were large differences between the individual countries, but the need for multilevel modelling to account for these differences disappeared after adjustment for patient characteristics, Gini and country-specific birth rate.  CONCLUSION: While there are definite interregional differences in pregnancy outcome in women with cardiac disease, these differences seem to be mainly driven by individual patient characteristics. Adjustment for country characteristics refined the results to a limited extent, but maternal condition seems to be the main determinant of outcome.

Item Type: Article
Additional Information: © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.
Uncontrolled Keywords: journal article
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 23 Jan 2018 10:30
Last Modified: 04 Aug 2020 23:40
URI: https://ueaeprints.uea.ac.uk/id/eprint/66031
DOI: 10.1136/heartjnl-2017-311910

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