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Pregnancy risk assessment for patients with adult congenital heart disease (ACHD) must include physiologic and anatomic impacts. We aimed to determine whether maternal cardiac and pregnancy outcomes vary by disease severity defined according to the following 3 different classifications: ACHD anatomic severity, ACHD physiologic class, and modified World Health Organization (mWHO) class. Cardiac outcomes included a composite of arrhythmia, heart failure, stroke, and thromboembolism. Pregnancy outcomes included a composite of intrauterine growth restriction, preterm birth, preeclampsia, or postpartum hemorrhage. We employed generalized estimating equations to account for multiple pregnancies. Of the 245 pregnancies, 17.1% were preterm and 45.7% were cesarean deliveries. Cardiac hospitalizations occurred in 22.0% and arrhythmias in 12.7%. Cardiac outcomes tended to be more prevalent in people with more severe heart disease. Pregnancy outcomes were U-shaped or less prevalent in people with more severe disease. There was a 2.9-fold increased risk for the composite cardiac outcome for complex anatomy (adjusted incidence rate ratio 2.90, 95% confidence interval 1.08 to 7.81, p = 0.04), a 9.4-fold increased risk for physiologic class C or D (9.37, 1.28 to 68.79, p = 0.03), and a fourfold increased risk for mWHO class III or IV (3.99, 1.53 to 10.40, p = 0.005). There was a lower risk for the composite pregnancy outcome for mWHO class II or II to III (0.54, 0.36 to 0.79, p = 0.002) but no association with anatomy or physiology. In conclusion, physiologic class may be most accurately associated with adverse outcomes and therefore efforts to optimize hemodynamics before pregnancy may help to mitigate the risk., Competing Interests: Disclosures The authors have no conflicts of interest to disclose., (Copyright © 2021 Elsevier Inc. All rights reserved.)

Objective: Overall health care resource utilization by adults with congenital heart disease has increased dramatically in the past two decades, yet little is known about utilization patterns at the end of life. The objective of this study is to better understand the patterns and influences on end-of-life care intensity for adults with congenital heart disease., Methods: We identified a sample of adults with congenital heart disease (n = 65), cancer (n = 10 784), or heart failure (n = 3809) who died between January 2010 and December 2015, cared for in one multi-hospital health care system. We used multivariate analysis to evaluate markers of resource utilization, location of death, and documentation of advance care planning among patients with congenital heart disease versus those with cancer and those with heart failure., Results: Approximately 40% of adults with congenital heart disease experienced inpatient and intensive care unit (ICU) hospitalizations in the last 30 days of life; 64% died in the hospital. Compared to patients with cancer, patients with adult congenital heart disease (ACHD) were more likely to have inpatient (adjusted risk ratio 1.57; 95% CI 1.12-2.18) and ICU admissions in the last 30 days of life (adjusted risk ratio 2.56; 95% CI 1.83-3.61), more likely to die in the hospital (adjusted risk ratio 1.75; 95% CI 1.43-2.13), and more likely to have documentation of advance care planning (adjusted risk ratio 1.46; 95% CI 1.09-1.96). Compared to patients with heart failure (HF), patients with ACHD were less likely to have an ICU admission in the last 30 days of life (adjusted risk ratio 0.73; 95% CI 0.54-0.99)., Conclusions: Adults with congenital heart disease have significant hospital resource utilization near the end of life compared to patients with cancer, notable for more hospitalizations and a higher likelihood of death in the hospital. This population represents an important opportunity for the application of palliative and supportive care., (© 2018 Wiley Periodicals, Inc.)