The Impact of Congestive Heart Failure on Outcomes in Patients Hospitalized With Preeclampsia.

The purpose of this study was to determine the prevalence of congestive heart failure (CHF) among patients admitted with preeclampsia as well as to analyze the independent association of CHF with in-hospital outcomes among women with preeclampsia. Data were obtained from the National (Nationwide) Inpatient Sample (NIS) from January 2016 to December 2019. We assessed the independent association of CHF with outcomes in patients admitted with preeclampsia. Predictors of mortality in patients admitted with preeclampsia were also analyzed. Women with preeclampsia in the United States between 2016 and 2019 were included in our analysis. A total of 256,010 cases were isolated, comprising 1150 patients with preeclampsia and CHF (0.45%). Multivariate analysis demonstrated that CHF in patients with preeclampsia was independently associated with several outcomes, among them cardiac arrest (adjusted OR (aOR) 4.635, p=0.004), ventricular tachycardia (aOR 17.487, p<0.001), pulmonary embolism (aOR 6.987, p<0.001), and eclampsia (aOR 2.503, p=0.011). Conversely, we found CHF to be protective against postpartum hemorrhage (aOR 0.665, p=0.003). Among the predictors of mortality in preeclampsia are age (aOR 1.062, p=0.022), Asian or Pacific Islander race (aOR 4.695, p=0.001), and CHF (aOR 25.457, p<0.001).  Conclusions: In a large cohort of patients admitted with preeclampsia, we found the prevalence of CHF to be 0.45%. CHF was associated with several adverse outcomes as well as increased length of stay.

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The authors have declared that no competing interests exist.