Clinical characteristics and outcomes of patients with heart failure admitted to the intensive care unit with coronavirus disease 2019 (COVID-19): A multicenter cohort study.

Background: Patients with underlying heart failure (HF) in the setting of COVID-19 who require admission to the intensive care unit (ICU) might present with a unique set of challenges. This study aims to extensively describe the characteristics and outcomes of patients with HF who were admitted to ICU with COVID-19.

Methods: We conducted a multicenter retrospective analysis for all adult patients with HF and an objectively confirmed diagnosis of COVID-19 who were admitted to ICUs between March 1 and August 31, 2020, in Saudi Arabia.

Results: A total of 723 critically ill patients with COVID-19 were admitted into ICUs during the study period: 59 patients with HF and 664 patients with no HF before admission to ICU. Patients with HF had statistically significant more comorbidities, including diabetes mellitus, hypertension, dyslipidemia, atrial fibrillation, and acute coronary syndrome. Moreover, higher baseline severity scores (APACHE II & SOFA score) and nutritional risk (NUTRIC score) were observed in HF patients. Overall, patients with HF had more in-hospital and ICU deaths in comparison to patients without HF: (64.3% vs. 44.6%, -value <0.01) and (54.5% vs. 39%, P-value = 0.02), respectively. Patients with HF had a similar incidence of thrombosis, ICU length of stay, duration of mechanical ventilation, and hospital length of stay compared to patients with no HF.

Conclusion: In this study, patients with HF had more in-hospital and ICU deaths than patients with no HF. Thus, history of HF could be used to help direct case management during hospitalization and possibly dictate proactive COVID-19 care.