Wu, P, Jordan, K, Chew-Graham, C, Coutinho, T, Lundberg, G, Park, K, Chappell, L, Myint, P, Maas, A and Mamas, M (2020) Temporal trends in pregnancy-associated stroke and its outcomes among women with hypertensive disorders of pregnancy. Journal of the American Heart Association, 9 (15). ISSN 2047-9980

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Stroke is a serious complication of hypertensive disorders of pregnancy (HDP), with potentially severe and long-term sequelae. However, the temporal trends, predictors and outcomes of stroke in women with HDP at delivery remain unknown.

Methods and Results
All HDP delivery hospitalisations with or without stroke event (ischaemic, haemorrhagic, or unspecified) between 2004 and 2014 in the United States National Inpatient Sample were analysed to examine incidence, predictors and prognostic impact of stroke. Of 4,240,284 HDP delivery hospitalisations, 3,391 (0.08%) women had stroke. While the prevalence of HDP increased over time, incident stroke rates decreased from 10 to 6 per 10,000 HDP delivery hospitalisations between 2004 and 2014. Women with stroke were increasingly multimorbid with some risk factors being more strongly associated with ischaemic strokes, including congenital heart disease, peripheral vascular disease, dyslipidaemia and sickle cell disease. Delivery complications were also associated with stroke, including Caesarean section (OR 1.58, 95% CI 1.33, 1.86), postpartum haemorrhage (OR 1.91, 95% CI 1.33, 1.86) and maternal mortality (OR 99.78, 95% CI 59.15, 168.31), independently of potential confounders. Women with stroke had longer hospital stays (median 6 vs. 3 days), higher hospital charges (median $14,655 vs. $4,762) and a higher proportion of non-routine discharge locations (38% vs. 4%).

The incidence of stroke in women with HDP has declined over time. While a relatively rare event, identification of women at highest risk of ischaemic or haemorrhagic stroke on admission for delivery is important to reduce long-term sequelae.

Item Type: Article
Additional Information: The final version of this article and all relevant information regarding copyrights can be found at; https://www.ahajournals.org/doi/10.1161/JAHA.120.016182 Copyright © 2020 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley Blackwell This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
Uncontrolled Keywords: preeclampsia/pregnancy, pregnancy, stroke in young adults
Subjects: R Medicine > R Medicine (General)
R Medicine > RG Gynecology and obstetrics
R Medicine > RJ Pediatrics
Divisions: Faculty of Medicine and Health Sciences > School of Primary, Community and Social Care
Depositing User: Symplectic
Date Deposited: 28 May 2020 11:09
Last Modified: 22 Oct 2020 12:28
URI: https://eprints.keele.ac.uk/id/eprint/8036

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