Cardiogenic Shock and Utilization of Mechanical Circulatory Support in Pregnancy

Author:

O’Kelly Anna C.1,Sarma Amy1,Naoum Emily2,Easter Sarah Rae34,Economy Katherine5,Ludmir Jonathan1ORCID

Affiliation:

1. Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA

2. Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA

3. Division of Maternal-Fetal Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA

4. Division of Critical Care Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA

5. Division of Maternal-Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA

Abstract

Maternal mortality rates are rising in the United States, a trend which is in contrast to that seen in other high-income nations. Cardiovascular disease and hypertensive disorders of pregnancy are consistently the leading causes of maternal mortality both in the United States and globally, accounting for about one-quarter to one-third of maternal and peripartum deaths. A large proportion of cardiovascular morbidity and mortality stems from acquired disease in the context of cardiovascular risk factors, which include obesity, pre-existing diabetes and hypertension, and inequities in care from maternal care deserts and structural racism. Patients may also become pregnant with preexisting structural heart disease, or acquire disease throughout pregnancy (ex: spontaneous coronary artery dissection, peripartum cardiomyopathy), and be at higher risk of pregnancy-related cardiovascular complications. While risk-stratification tools including the modified World Health Organization (mWHO) classification, Cardiac Disease in Pregnancy (CARPREG II) and Zwangerschap bij Aangeboren HARtAfwijking/Pregnancy in Women with Congenital Heart Disease (ZAHARA) have been designed to help physicians identify patients at increased risk for adverse pregnancy outcomes and who may therefore benefit from referral to a tertiary care center, the limitation of these scores is their predominant focus on patients with known preexisting heart disease. As such, identifying patients at risk for pregnancy complications presents a significant challenge, and it is often patients with high-risk cardiovascular substrates prior to or during pregnancy who are at a highest risk for adverse pregnancy outcomes including cardiogenic shock.

Publisher

SAGE Publications

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