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Despite significant investigation into the effects of COVID-19 on cardiovascular disease, there is a paucity of national data specifically examining its effects on heart failure (HF) hospitalizations. Previous cohort study data demonstrate worsened outcomes in HF patients with recent COVID-19 infection. To better understand this association, this study aimed to utilize a nationally representative database to examine demographics, outcomes, and health care utilization in hospitalizations for HF with a codiagnosis of COVID-19.

During the early COVID-19 pandemic, resources were at times rationed, and as a result, cardiovascular outcomes may have suffered, however despite this, there is a paucity of national data specifically examining the relationship between COVID-19 and acute myocardial infarction (AMI). Some of the most robust previous cohort studies suggest the risk of AMI is increased in patients with COVID-19 infection, and disproportionately so in certain patient populations. To better define national trends in the associations between COVID-19 and AMI, this study aimed to examine demographics, outcomes, and health care utilization in hospitalizations for AMI with a codiagnosis of COVID-19 using a nationally representative database.

Patients with acute myocardial infarction (AMI) requiring invasive mechanical ventilation (IMV) have a high mortality. However, little is known regarding the impact of induction agents, used prior to IMV, on clinical outcomes in this population. We assessed for the association between induction agent and mortality in patients with AMI requiring IMV. We compared clinical outcomes between those receiving propofol compared to etomidate for induction among adults with AMI between October 2015 and December 2019 using the Vizient® Clinical Data Base, a multicenter, US national database. We used inverse probability treatment weighting (IPTW) to assess for the association between induction agent and in-hospital mortality. We identified 5,147 patients, 1,386 (26.9%) of received propofol and 3,761 (73.1%) received etomidate for IMV induction. The mean (SD) age was 66.1 (12.4) years, 33.0% were women, and 51.6% and 39.8% presented with STEMI and cardiogenic shock, respectively. Patients in the propofol group were more likely to require preintubation vasoactive medication and mechanical circulatory support (both, P < .05). Utilization of propofol was associated with lower mortality compared to etomidate (32.3% vs 36.1%, P = .01). After propensity weighting, propofol use remained associated with lower mortality (weighted mean difference −4.7%; 95% confidence interval: −7.6% to −1.8%, P = .002). Total cost, ventilator days, and length of stay were higher in the propofol group (all, P < .001). Induction with propofol, compared with etomidate, was associated with lower mortality for patients with AMI requiring IMV. Randomized trials are needed to determine the optimal induction agent for this critically ill patient population.

There is limited large, national data investigating the prevalence, characteristics, and outcomes of cardiac arrest (CA) in patients hospitalized for heart failure (HF). The goal of this study was to examine the characteristics, trends, and outcomes of HF hospitalizations complicated by in-hospital CA. We used the National Inpatient Sample to identify all primary HF admissions from 2016 to 2019. Cohorts were built based on the presence of a codiagnosis of CA. Diagnoses were identified using International Classification of Diseases, Tenth Revision, Clinical Modification codes. Associations with CA were then analyzed using multivariate logistic regression. We identified a total of 4,905,564 HF admissions, 56,170 (1.1%) of which had CA. Hospitalizations complicated by CA were significantly more likely to be male, to have coronary artery disease, renal disease, and less likely to be White (p <0.001, all). Age <65 (odds ratio [OR] 1.18, p <0.001), renal disease (OR 2.41, p <0.001), and coronary artery disease (OR 1.26, p <0.001) had higher odds of CA while female gender (OR 0.84, confidence interval [CI] 0.83 to 0.86, p <0.001) or HFpEF (OR 0.49, CI 0.48 to 0.50, p <0.001) had lower odds of CA. Patients with CA had higher inpatient mortality (CA 54.2% vs no CA 2.1%, p <0.001), which persisted after multivariate adjustment (OR 64.8, CI 63.5 to 66.0, p <0.001). CA occurs in >1 in 1,000 HF hospitalizations and remains a prominent and serious event associated with a high mortality. Further research is needed to examine long-term outcomes and mechanical circulatory support utilization with more granularity in HF patients with in-hospital CA.

Healthcare-associated infections (HAI) are generally preventable causes of increased cost, morbidity, and mortality. Further, HAI carry penalties in the era of hospital value-based care. However, very little is known about the incidence and outcomes of HAI among patients hospitalized with common cardiovascular conditions. Using a national database, we identified adults aged ≥18 years hospitalized with 5 common cardiovascular conditions, including heart failure, acute myocardial infarction, coronary artery bypass grafting, cardiogenic shock, and atrial fibrillation or flutter. We assessed for temporal trends in incidence, cost, length of stay (LOS), and mortality associated with ventilator-associated pneumonia, catheter-associated urinary tract infections, central line-associated bloodstream infection, and Clostridium difficile infections. Between 2008 and 2015, we identified 159,021 hospitalizations ≥1 HAI (49.6% heart failure, 20.4% acute myocardial infarction, 10.5% coronary artery bypass grafting, 18.6% cardiogenic shock, and 11.9% atrial fibrillation or flutter). Clostridium difficile infections (75.4%) were the most common followed by catheter-associated urinary tract infections (15.1%), ventilator-associated pneumonia (7.9%), and central line-associated bloodstream infection (3.1%). Nearly half of the patients (46.3%) with HAI required discharge to a skilled care facility compared with 15.7% of patients who did not. After propensity matching, HAI remained associated with an increased LOS (4.9 vs 9.6 days, p <0.0001), total hospital charges ($79,227 vs $50,699, p <0.0001), and in-hospital mortality (13% vs 10.4%, p <0.0001) compared with patients who did not acquire a HAI. In conclusion, patients with cardiovascular disease acquiring a HAI had substantially higher costs, LOS, and mortality.

We conducted a retrospective study using the NIS database from 2008 to 2018 to examine the most contemporary national hospitalization trends of transcatheter (TAVR) and surgical (SAVR) aortic valve replacement regarding volume, patient and hospital demographics and economics, resource utilization, total cost of stay, and in-hospital mortality. We demonstrate that TAVR procedures have been performed on a slow by steadily diversifying patient population while volume has grown significantly, while in-hospital mortality, length of stay, discharge home, and costs have improved, whereas these metrics have generally remained stable for SAVR. These trends will likely drive continued TAVR adoption, greatly expanding the overall aortic stenosis patient population eligible for AVR.

T2D is an increasingly common disease that is associated with worse outcomes in patients with heart failure. Despite this, no contemporary study has assessed its impact on heart transplantation outcomes. This paper examines the demographics and outcomes of patients with type 2 diabetes (T2D) undergoing heart transplantation. Using the United Network for Organ Sharing (UNOS) database, patients listed for transplant were separated into cohorts based on history of T2D. Demographics and comorbidities were compared, and cox regressions were used to examine outcomes. Between January 1st, 2011 and June 12th, 2020, we identified 9,086 patients with T2D and 23,676 without T2D listed for transplant. The proportion of patients with T2D increased from 25.2% to 27.9% between 2011 and 2020. Patients with T2D were older, more likely to be male, less likely to be White, and more likely to pay with public insurance (p<0.001, all). After adjustment, T2D patients had a lower likelihood of transplantation (Hazard Ratio [HR]: 0.93, CI: 0.90-0.96, p<0.001) and a higher likelihood of post-transplant mortality (HR: 1.30, CI: 1.20-1.40, p<0.001). Patients with T2D were more likely to be transplanted in the new allocation system compared to the old allocation system (all, p<0.001). Over the last ten years, the proportion of heart transplant recipients with T2D has increased. These patients are more likely to be from traditionally underserved populations. Patients with T2D have a lower likelihood of transplantation and a higher likelihood of post-transplant mortality. After the allocation system change, likelihood of transplantation has improved for patients with T2D.

Patients with ischemic heart disease (IHD) are often excluded from acute respiratory distress syndrome (ARDS) clinical trials. As a result, little is known about the impact of IHD in this population. We sought to assess the association between IHD and clinical outcomes in patients with ARDS. Participants from 4 ARDS randomized controlled trials with shared study criteria, definitions, and end points were included. Using multivariable logistic regression, we assessed for the association between IHD and a primary outcome of 60-day mortality. Secondary outcomes included 90-day mortality, 28-day ventilator-free days, and 28-day organ failure. Among 1,909 patients, 102 had a history of IHD (5.4%). Patients with IHD were more likely to be older and male (p <0.05). Noncardiac co-morbidities, severity of illness, and other markers of ARDS severity were not statistically different (all, p >0.05). Patients with IHD had a higher 60-day (39.2% vs 23.3%, p <0.001) and 90-day (40.2% vs 24.0%, p <0.001) mortality, and experienced more frequent renal (45.1% vs 32.0%, p = 0.006) and hepatic (35.3% vs 25.2%, p = 0.023) failure. After multivariable adjustment, 60-day (odds ratio [OR] 1.76; 95% confidence interval [CI]: 1.07 to 2.89, p = 0.025) and 90-day (OR 1.74; 95% CI: 1.06 to 2.85, p = 0.028) mortality remained higher. IHD was associated with 10% fewer ventilator-free days (incidence rate ratio 0.90; 95% CI: 0.85 to 0.96, p = 0.001). In conclusion, co-morbid IHD was associated with higher mortality and fewer ventilator-free days in patients with ARDS. Future studies are needed to identify predictors of mortality and improve treatment paradigms in this critically ill subgroup of patients.

Despite the growing use of temporary mechanical circulatory support (tMCS), little data exists to inform management and weaning of these devices. We performed an online survey among cardiac intensive care unit directors in North America to examine current practices in the management of patients treated with intraaortic balloon pump and Impella. We received responses from 84% of surveyed centers (n=37). Our survey focused on three key aspects of daily management: 1. Hemodynamic monitoring; 2. Hemocompatibility; and 3. Weaning and removal. We found substantial variability surrounding all three areas of care. Our findings highlight the need for consensus around practices associated with improved outcomes in patients treated with tMCS.