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Temporal Trends in Pregnancy‐Associated Stroke and Its Outcomes Among Women With Hypertensive Disorders of Pregnancy

Wu, Pensée; Jordan, Kelvin P.; Chew‐Graham, Carolyn A.; Coutinho, Thais; Lundberg, Gina P.; Park, Ki E.; Chappell, Lucy C.; Myint, Phyo K.; Maas, Angela H.E.M.; Mamas, Mamas A.

Temporal Trends in Pregnancy‐Associated Stroke and Its Outcomes Among Women With Hypertensive Disorders of Pregnancy Thumbnail


Authors

Thais Coutinho

Gina P. Lundberg

Ki E. Park

Lucy C. Chappell

Phyo K. Myint

Angela H.E.M. Maas



Abstract

Background
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%).

Conclusions
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.

Journal Article Type Article
Acceptance Date May 20, 2020
Online Publication Date Jul 29, 2020
Publication Date Aug 4, 2020
Publicly Available Date May 26, 2023
Journal Journal of the American Heart Association
Print ISSN 2047-9980
Publisher Wiley Open Access
Peer Reviewed Peer Reviewed
Volume 9
Issue 15
DOI https://doi.org/10.1161/JAHA.120.016182
Keywords preeclampsia/pregnancy, pregnancy, stroke in young adults
Publisher URL https://www.ahajournals.org/doi/10.1161/JAHA.120.016182

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