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Am J Perinatol 2020; 37(01): 066-072
DOI: 10.1055/s-0039-1697589
SMFM 2019
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Risk of Stillbirth after Antepartum Hospitalization for Hypertensive Diseases of Pregnancy

Timothy Wen
1   Department of Obstetrics and Gynecology, Division of Maternal-Fetal Fetal Medicine, Columbia University Irving Medical Center, New York, New York
,
Noelle Breslin
1   Department of Obstetrics and Gynecology, Division of Maternal-Fetal Fetal Medicine, Columbia University Irving Medical Center, New York, New York
,
Eve E. Overton
1   Department of Obstetrics and Gynecology, Division of Maternal-Fetal Fetal Medicine, Columbia University Irving Medical Center, New York, New York
,
Amy L. Turitz
1   Department of Obstetrics and Gynecology, Division of Maternal-Fetal Fetal Medicine, Columbia University Irving Medical Center, New York, New York
,
Mary E. D'Alton
1   Department of Obstetrics and Gynecology, Division of Maternal-Fetal Fetal Medicine, Columbia University Irving Medical Center, New York, New York
,
Frank Attenello
2   Department of Neurological Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, California
,
William J. Mack
2   Department of Neurological Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, California
,
Alexander M. Friedman
1   Department of Obstetrics and Gynecology, Division of Maternal-Fetal Fetal Medicine, Columbia University Irving Medical Center, New York, New York
› Author Affiliations Funding A.M.F. is supported by a career development award (K08HD082287) from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health.
Further Information

Publication History

29 July 2019

08 August 2019

Publication Date:
28 September 2019 (online)

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Abstract

Objective To determine if women with an antepartum admission for hypertensive diseases of pregnancy (HDP) were at increased risk for stillbirth.

Study Design This study utilized the 2010 to 2014 Nationwide Readmissions Database. Antepartum admissions with HDP were identified and linked to subsequent delivery hospitalizations. Delivery hospitalizations with HDP without a preceding antepartum HDP admission were also identified. Risk for stillbirth, abruption, or both was compared between these two groups.

Results An estimated 382,621 deliveries with an HDP diagnosis were identified of which 14,857 (3.9%) had a preceding antepartum admission for HDP. Stillbirth occurred in 7.8 per 1,000 delivery hospitalizations complicated by HDP with risk higher with a preceding HDP antepartum admission in both unadjusted (1.1 vs. 0.8%, risk ratios [RR] 1.46, 95% confidence interval [CI] 1.24–1.70) and adjusted (adjusted risk ratios [aRR] 1.24, 95% CI 1.06, 1.46) analyses. Abruption occurred in 19.6 per 1,000 delivery hospitalizations complicated by HDP with risk higher with a preceding HDP antepartum admission in both unadjusted (2.5 vs. 1.9%, RR 1.30, 95% CI 1.17–1.44) and adjusted (aRR 1.24, 95% CI 1.11, 1.37) analyses. Risk for combined abruption and stillbirth did not differ significantly.

Conclusion In this analysis, prior antenatal hospitalization was associated with increased risk for stillbirth among women with HDP.

Keywords

preeclampsia - maternal safety - maternal outcomes - stillbirth

Note

This study was presented at the 2019 Society for Maternal-Fetal Medicine Annual Meeting in Las Vegas, Nevada.


 

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