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Serum sodium is an established prognostic marker in heart failure (HF) patients and is associated with an increased risk of morbidity and mortality. We sought to study the prognostic value of serum sodium in left ventricular assist device (LVAD) patients and whether hyponatremia reflects worsening HF or an alternative mechanism. We identified HF patients that underwent LVAD implantation between 2008 and 2019. Hyponatremia was defined as Na ≤134 mEq/L at 3 months after implantation. We assessed for differences in hyponatremia before and after LVAD implantation. We also evaluated the association of hyponatremia with all-cause mortality and recurrent HF hospitalizations. There were 342 eligible LVAD patients with a sodium value at 3 months. Among them, there was a significant improvement in serum sodium after LVAD implantation compared to preoperatively (137.2 vs. 134.7 mEq/L, P0.0001). Patients with and without hyponatremia had no significant differences in echocardiographic and hemodynamic measurements. In a multivariate analysis, hyponatremia was associated with a markedly increased risk of all-cause mortality (HR 3.69, 95% CI, 1.93-7.05, P0.001) when accounting for age, gender, co-morbidities, use of loop diuretics, and B-type natriuretic peptide levels. Hyponatremia was also significantly associated with recurrent HF hospitalizations (HR 2.11, 95% CI, 1.02-4.37, P = 0.04). Hyponatremia in LVAD patients is associated with significantly higher risk of all-cause mortality and recurrent HF hospitalizations. Hyponatremia may be a marker of ongoing neurohormonal activation that is more sensitive than other lab values, echocardiography parameters, and hemodynamic measurements.

AIMS: Influenza vaccination is associated with reduced cardiopulmonary morbidity and mortality among patients with heart failure or recent myocardial infarction. The immune response to vaccination frequently results in mild adverse reactions (AR), which leads to vaccine hesitancy. This post hoc analysis explored the association between vaccine-related AR and morbidity and mortality in patients with high-risk cardiovascular disease. METHODS AND RESULTS: The INVESTED trial randomized 5260 patients with recent heart failure hospitalization or acute myocardial infarction to high-dose trivalent or standard-dose quadrivalent inactivated influenza vaccine. We examined the association between vaccine-related AR and adverse clinical outcomes across both treatment groups in propensity-adjusted models. Among 5210 participants with available information on post-vaccination symptoms, 1968 participants (37.8%) experienced a vaccine-related AR. Compared to those without AR, post-vaccination AR, most commonly injection site pain (60.3%), were associated with lower risk for the composite of all-cause death or cardiopulmonary hospitalization (hazard ratio [HR] 0.83 [95% CI, 0.75–0.92], p

As advancements in care improve longevity in patients with congenital heart disease (CHD), it is crucial to further characterize this rapidly growing adult population. It is also essential that equitable care is offered across demographic groups. Hospitalizations for adults with CHD in the National Inpatient Sample were identified to describe trends in overall and cause-specific rates of admission per 1,000 adults with CHD from 2000 to 2018. Primary admission causes were then analyzed and stratified by race. An aggregate rate of left-ventricular assist device placements and heart transplants was calculated for each group and trended over the years. A total of 1,562,001 weighted hospitalizations were identified. Overall, annual rates of hospital admissions increased from 39 per 1,000 adults with CHD in 2000 to 74 per 1,000 in 2018, as did rates of cardiovascular admissions (16 of 1,000 to 34 of 1,000, p0.001 for both). Transient ischemic attack/stroke (2.5 of 1,000 to 10.7 of 1,000), coronary artery disease (4.1 of 1,000 to 5.6 of 1,000), arrhythmias (2.8 of 1,000 to 4.6 of 1,000), and heart failure (2.8 of 1,000 to 5.0 of 1,000) were the most common cardiovascular primary causes of admission (other than CHD itself), and each significantly increased over time (p0.001 for each). Mean age at all-cause and primary heart failure hospitalization increased for all races but remained 7 to 9 years younger for Black and Hispanic adults than White adults. In conclusion, hospitalization rates of adults with CHD in the United States increased from 2000 to 2018, largely driven by an increase in adults ≥55 years. Although the age at hospitalization increased overall, Black and Hispanic patients were substantially younger at presentation for advanced heart failure. Anticoagulation guidelines in this population may need revisiting as transient ischemic attack/stroke hospitalizations were frequent.

Heart failure (HF) remains a condition associated with high morbidity, mortality, and associated costs. Although the number of medical and device-based therapies available to treat HF are expanding at a remarkable rate, disparities in the risk for incident HF and treatments delivered to patients are also of growing concern. These disparities span across racial and ethnic groups, socioeconomic status, and apply across the spectrum of HF from stage A to stage D. The complexity of HF risk and treatment is further impacted by the number of patients who experience the downstream impact of social determinants of health. The purpose of this document is to highlight the known health care disparities that exist in the care of patients with HF and to provide a context for how clinicians and researchers should assess both biological and social determinants of HF risk in vulnerable populations. Furthermore, this document provides a framework for future steps that can be used to help diminish inequalities in access and clinical outcomes over time, and offer solutions to help decrease disparities within HF care.

ImportanceBlack adults with heart failure (HF) disproportionately experience higher population-level mortality than White adults with HF. Whether quality of care for HF differs at hospitals with high proportions of Black patients compared with other hospitals is unknown.ObjectiveTo compare quality and outcomes for patients with HF at hospitals with high proportions of Black patients vs other hospitals.Design, Setting, and ParticipantsPatients hospitalized for HF at Get With The Guidelines (GWTG) HF sites from January 1, 2016, through December 1, 2019. These data were analyzed from May 2022 through November 2022.ExposuresHospitals caring for high proportions of Black patients.Main Outcomes and MeasuresQuality of HF care based on 14 evidence-based measures, overall defect-free HF care, and 30-day readmissions and mortality in Medicare patients.ResultsThis study included 422 483 patients (224 270 male [53.1%] and 284 618 White [67.4%]) with a mean age of 73.0 years. Among 480 hospitals participating in GWTG-HF, 96 were classified as hospitals with high proportions of Black patients. Quality of care was similar between hospitals with high proportions of Black patients compared with other hospitals for 11 of 14 GWTG-HF measures, including use of angiotensin-converting enzyme inhibitors/angiotensin receptor blocker/angiotensin receptor neprilysin inhibitors for left ventricle systolic dysfunction (high-proportion Black hospitals: 92.7% vs other hospitals: 92.4%; adjusted odds ratio [OR], 0.91; 95% CI, 0.65-1.27), evidence-based β-blockers (94.7% vs 93.7%; OR, 1.02; 95% CI, 0.82-1.28), angiotensin receptor neprilysin inhibitors at discharge (14.3% vs 16.8%; OR, 0.74; 95% CI, 0.54-1.02), anticoagulation for atrial fibrillation/flutter (88.8% vs 87.5%; OR, 1.05; 95% CI, 0.76-1.45), and implantable cardioverter-defibrillator counseling/placement/prescription at discharge (70.9% vs 71.0%; OR, 0.75; 95% CI, 0.50-1.13). Patients at high-proportion Black hospitals were less likely to be discharged with a follow-up visit made within 7 days or less (70.4% vs 80.1%; OR, 0.68; 95% CI, 0.53-0.86), receive cardiac resynchronization device placement/prescription (50.6% vs 53.8%; OR, 0.63; 95% CI, 0.42-0.95), or an aldosterone antagonist (50.4% vs 53.5%; OR, 0.69; 95% CI, 0.50-0.97). Overall defect-free HF care was similar between both groups of hospitals (82.6% vs 83.4%; OR, 0.89; 95% CI, 0.67-1.19) and there were no significant within-hospital differences in quality for Black patients vs White patients. Among Medicare beneficiaries, the risk-adjusted hazard ratio (HR) for 30-day readmissions was higher at high-proportion Black vs other hospitals (HR, 1.14; 95% CI, 1.02-1.26), but similar for 30-day mortality (HR 0.92; 95% CI,0.84-1.02).Conclusions and RelevanceQuality of care for HF was similar across 11 of 14 measures at hospitals caring for high proportions of Black patients compared with other hospitals, as was overall defect-free HF care. There were no significant within-hospital differences in quality for Black patients vs White patients.

Background: Restoring health-related quality of life (HRQOL) is a therapeutic goal for older patients with advanced heart failure. We aimed to describe change in HRQOL in older patients (60–80 years) awaiting heart transplantation (HT) with or without pretransplant mechanical circulatory support (MCS) or scheduled for long-term MCS, if ineligible for HT, from before to 6 months after these surgeries and identify factors associated with change. Methods: Patients from 13 US sites completed the EuroQol 5-dimension 3L questionnaire and Kansas City Cardiomyopathy Questionnaire-12 at baseline and 3 and 6 months after HT or long-term MCS. Analyses included univariate comparisons and multivariable linear regression. Results: Among 305 participants (cohort mean age=66.2±4.7 years, 78% male, 84% White, 55% New York Heart Association class IV), 161 underwent HT (n=68 with and n=93 without pretransplant MCS), and 144 received long-term MCS. From baseline to 3 months, EuroQol 5-dimension visual analog scale scores improved in HT patients without pretransplant MCS (54.5±24.3 versus 75.9±16.0, P P P P P =0.002). No further HRQOL improvement was found from 3 to 6 months. Factors most significantly associated with change in HRQOL, baseline 3 months, were right heart failure and 3-month New York Heart Association class, and 3 to 6 months, were 6-month New York Heart Association class and major bleeding. Conclusions: In older heart failure patients, HRQOL improved from before to early after HT and long-term MCS. At 6 postoperative months, HRQOL of long-term MCS patients was lower than one or both HT groups. Understanding change in HRQOL from before to early after these surgeries may enhance decision-making and guide patient care. Registration: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT02568930.

Background There is a paucity of research describing health‐related quality of life (HRQOL) in older adults considered for advanced heart failure surgical therapies. Using data from our SUSTAIN‐IT (Sustaining Quality of Life of the Aged: Heart Transplant or Mechanical Support) study, we aimed to compare HRQOL among 3 groups of older (60–80 years) patients with heart failure before heart transplantation (HT) or long‐term mechanical circulatory support (MCS) and identify factors associated with HRQOL: (1) HT candidates with MCS, (2) HT candidates without MCS, or (3) candidates ineligible for HT and scheduled for long‐term MCS. Methods and Results Patients from 13 US sites completed assessments, including self‐reported measures of HRQOL (EuroQol‐5 Dimension Questionnaire, Kansas City Cardiomyopathy Questionnaire–12), depressive symptoms (Personal Health Questionnaire–8), anxiety (State‐Trait Anxiety Inventory–state form), cognitive status (Montreal Cognitive Assessment), and performance‐based measures (6‐minute walk test and 5‐m gait speed). Analyses included ANOVA, χ 2 tests, Fisher’s exact tests, and linear regression. The sample included 393 patients; the majority of patients were White men and married. Long‐term MCS candidates (n=154) were significantly older and had more comorbidities and a higher New York Heart Association class than HT candidates with MCS (n=118) and HT candidates without MCS (n=121). Long‐term MCS candidates had worse HRQOL than HT candidates with and without MCS (EQ‐5D visual analog scale scores, 46±23 versus 68±18 versus 54±23 [ P P Conclusions Our findings demonstrate important differences in overall and domain‐specific HRQOL of older patients with heart failure before HT or long‐term MCS. Understanding HRQOL differences may guide decisions toward more appropriate and personalized advanced heart failure therapies.

Background: Metformin and sulfonylureas are frequently prescribed to patients with diabetes for glycemic control. The impact of these drugs on cardiovascular outcomes among patients with heart failure (HF) and diabetes is unclear. Methods: We evaluated Medicare beneficiaries hospitalized for HF in the Get With The Guidelines-HF Registry between 2006 and 2014 who had diabetes and Part D prescription coverage (n=29,181). Patients with glomerular filtration rate 2 or prescribed metformin or sulfonylurea prior to admission were excluded. In separate analyses for metformin and sulfonylurea, patients filling new prescriptions for each therapy within 90 days of discharge were compared with patients not prescribed therapy. Multivariable models landmarked at 90 days evaluated associations between therapy and mortality and hospitalization for HF (HHF) outcomes over the following 12 months. Secondary analyses were stratified by ejection fraction (EF) ≤40% vs >40%. Results: Of 5,852 patients, 454 (7.8%) were newly prescribed metformin and 504 (8.6%) were newly prescribed sulfonylurea. After adjustment, metformin prescription was associated with reduced risk of composite mortality/HHF, but not individual components (Table) . Associations with mortality/HHF and HHF endpoints were driven by reduced risk among patients with EF>40% (all p for interaction ≤0.04). Sulfonylurea prescription was independently associated with increased risk of mortality, HHF, and the composite. Associations between sulfonylurea prescription and endpoints were consistent regardless of EF (all p for interaction >0.12). Conclusion: Among US patients hospitalized for HF with comorbid diabetes, initiation of metformin was independently associated with improved clinical outcomes, driven by improvements among patients with preserved EF. In contrast, sulfonylurea initiation was associated with adverse clinical outcomes regardless of EF.

Background: Socioeconomic (SE) disadvantage is a strong determinant of adverse outcomes in patients with HF. The contribution of SE disparities to adverse outcomes in HF may differ among Black vs. White patients and has not been well studied. Methods: Using the 100% CMS MedPAR data, Black and White patients hospitalized with HF between 2014 and 2017 were identified and stratified based on the distressed community index (DCI)—a measure of the SE disadvantage of residential ZIP codes on a continuous scale (range 0-100, see Fig. legend)—into two groups: SE distressed (Q5) vs. non-distressed (Q1-4). The rates of 30-day and 1-year mortality and readmission were compared across the distressed vs. non-distressed race groups. The adjusted association between DCI and risk of adverse outcomes was assessed separately across the race groups using adjusted hierarchical logistic regression models with restricted cubic splines. Results: The study included 1,238,537 White (14.8% distressed) and 190,721 Black (44.4% distressed) patients. White patients living in SE distressed communities had a significantly higher risk of adverse outcomes at 30-days and 1-year f/u (Fig. A). In contrast, among Black patients, the risk of adverse outcomes among those living in distressed vs. non-distressed communities were not meaningfully different at 30-days and became more prominent by 1-year f/u. Similar results were noted in the restricted cubic spline analysis with stronger and more graded association between DCI score and risk of adverse outcomes in White (vs. Black) patients (Fig. B). Conclusion: SE distress is strongly associated with risk of adverse outcomes in White patients with HF. Among Black patients, SE distress is more common, but its adverse effects are less evident during short-term f/u and are better highlighted in the long-term. Other societal factors such as structural racism and poor access to care may be important prognostic determinants in Black patients with HF.

Purpose: Caregivers (CGs) provide essential support to older (60-80 years) patients with advanced heart failure (HF), yet caregiving may be burdensome. Understanding the caregivers time spent and difficulty in caring for patients may inform CG support needs before and after cardiac surgery. We compared CG burden before and 24 months after heart transplantation (HT), with or without baseline mechanical circulatory support (MCS), and long-term MCS as destination therapy (DT). Methods: Between 10/1/15-12/31/18, we enrolled 301 CGs of HF patients from 13 U.S. hospitals: 193 awaiting HT (92 with and 101 without MCS), and 108 scheduled for long-term MCS. At baseline (pre-surgery) and 24 months post-surgery, CGs completed the Oberst Caregiving Burden Scale (OCBS), which has 15 items with 2 subscales: (1) time: range=1-5, higher score=more time spent on task and (2) difficulty: range=1-5, higher score=higher task difficulty. Statistical analyses included t-tests and baseline-adjusted linear regression models. Results: CGs’ average age was 60.9±10 years, 83% were spouses, 85% female, and 85% white. Across all groups and both time points, time spent on caregiving tasks was moderate and task difficulty was rated low. Time spent on caregiving decreased significantly from baseline to 24-months for all groups (p-value Conclusions: CG time on tasks decreased from baseline to 24-months post-surgery in all groups, and both time and difficulty scores were persistently higher for CGs of DT patients. These results may inform identification of support options to reduce time and difficulty of CG tasks, particularly for those who care for destination therapy HF patients.

Heart failure (HF) continues to be a major contributor of morbidity and mortality for men and women alike, yet how the predisposition for, course and management of HF differ between men and women remains underexplored. Sex differences in traditional risk factors as well as sex-specific risk factors influence the prevalence and manifestation of HF in unique ways. The pathophysiology of HF differs between men and women and may explain sex-specific differences in clinical presentation and diagnosis. This in turn, contributes to variation in response to both pharmacologic and device/surgical therapy. This review examines sex-specific differences in HF spanning prevalence, risk factors, pathophysiology, presentation, and therapies with a specific focus on highlighting gaps in knowledge with calls to action for future research efforts.

Heart failure (HF) patients experience a high burden of symptoms and functional limitations, and morbidity and mortality remain high despite successful therapies. The majority of HF drugs in the United States are approved for reducing hospitalization and mortality, while only a few have indications for improving quality of life, physical function, or symptoms. Patient-reported outcomes that directly measure patient's perception of health status (symptoms, physical function, or quality of life) are potentially approvable endpoints in drug development. This paper summarizes the history of endpoints used for HF drug approvals in the United States and reviews endpoints that measure symptoms, physical function, or quality of life in HF patients.

Background: While 1 in 10 patients hospitalized with heart failure (HF) die within 30 days, end-of-life care for this high-risk population is not well described. Methods: We analyzed patients discharged alive from the Get With The Guidelines-HF registry between 2005-2014, linked to Medicare claims. We compared patients discharged to hospice to non-hospice “advanced HF” patients (ejection fraction ≤25% and either on inotropes, sodium ≤130, blood urea nitrogen ≥45 mg/dL, systolic blood pressure ≤90 mmHg or comfort measures) and to other GWTG-HF patients. Results: Of 121,990 US patients, hospice patients (n=4588, 2164 facility-based, 2424 home hospice) compared with advanced HF (n=4357) and others (113,045) were older (median age 86 years vs 78 years vs 81 years), more likely white race (88% vs 80% vs 82%), have intravenous loop diuretics used (74% vs 57% vs 63%), have an advanced care plan/surrogate decision maker discussed or documented (76% vs 62% vs 66%), had more dyspnea at rest (55% vs 46% vs 48%) and worse/unchanged symptoms at discharge (35% vs 2% vs 1%) (all pth , 75 th percentile: 3, 65 days) compared with advanced HF (318 days) and others (754 days); 34% of patients discharged to a hospice facility and 12% to home hospice died in Conclusion: Hospice use in patients hospitalized with HF is limited but increasing. Few hospice patients are rehospitalized and almost a quarter die within 3 days of discharge. These findings may inform interventions to improve hospice care for HF patients.

Background: Randomized data suggest that lenient rate control (resting heart rate Methods: Using data from the Get With The Guidelines-HF Program linked with Medicare data from July 1, 2011 to September 30, 2014, we identified patients with HF and AF and evaluated the association of heart rate at discharge with subsequent outcomes and the differential association by ejection fraction. Results: Of 13 981 patients with AF, 9 100 (65.0%) had strict rate control, 4 617 (33.0%) had lenient rate control, and 264 (1.9%) had poor rate control by resting heart rate on the day of discharge. After multivariable adjustment inclusive of medical therapy, compared with strict rate control, lenient rate control was associated with higher adjusted risks of all-cause death (HR 1.21, 95% CI 1.11-1.33, p Conclusions: Among patients with HF and AF, 2 out of 3 patients had a heart rate that met strict-control heart rate goals at discharge. Heart rates above 80 bpm at discharge were associated with adverse outcomes irrespective of left ventricular ejection fraction.

Objectives: Failure Mode and Effects Analysis (FMEA) is a frequently-used approach for prospective risk assessment and quality improvement in healthcare, particularly for high-risk care processes such as hospital discharge planning. Our goal was to evaluate whether secondary use of metadata collected by the electronic health record (EHR) during daily practice can inform assembly of a comprehensive FMEA team by showing: 1) discrepancies between expected and observed process activities and individuals involved, and 2) the presence of individuals who may be appropriate to include in an FMEA based on their variable familiarity with a process. Methods: We extracted discharge planning data for an inpatient cardiology unit from the Enterprise Data Warehouse (EDW) and compared it to a hand-drawn map (HDM) indicating clinicians’ understanding of discharge activities and providers expected to complete each activity. We assessed the presence of providers highly experienced in the process, the diversity of involved disciplines, and the accuracy of the HDM compared to observation from EDW data. Findings: Over 500 providers completed nearly 35,000 discharge-related activities across 18 activity types over 2,000 encounters. Experience was skewed such that 90% (510 of 569) of providers completed between 0 and 99 activities while the remaining 10% (59 of 569) performed up to 1,200 activities. Frequent performers completed similar activities to their peers, but did so as many as 12 times more frequently than average for their discipline. Expectation of who performed an activity closely matched observation for 11 discipline-specific activities, such as case management assessment. However, providers from up to 10 different disciplines performed the remaining 7 activities, such as scheduling a follow-up visit or ordering a therapy consult. Overall, 35% (12,183 of 34,939) of activities were performed by an unexpected provider. Conclusions: Analyzing metadata from EHRs is a novel method to inform FMEA of high-risk processes. This study provides a framework for assessing process activities and the providers involved. In the discharge planning process, there appears to be significant discrepancy between clinicians’ understanding and the actual discharge process and team, which suggests the presence of providers who could be overlooked during typical FMEA team construction. This methodology can empirically enrich the FMEA team and highlight quality improvement target areas.

Introduction: Research supports a J-shaped association between body mass index (BMI) and mortality in patients with coronary artery disease (CAD) regardless of race/ethnicity. However, whether a similar pattern is noted among heart failure (HF) patients is unclear, particularly since black patients are at highest risk for both obesity and heart failure. Methods: Patients ≥65 years old from the GWTG-HF registry linked to Medicare claims data from 2005-2011, were stratified by preserved (HFpEF) and reduced (HFrEF) ejection fraction HF and categorized by 5 racial/ethnic populations (white, black, Hispanic, Asian, and other). Adjusted-Cox regression assessed the association between BMI and 30-day mortality from live discharge. Restricted cubic splines illustrate the relationship. We used interaction terms to test whether the relationship between BMI and outcomes differed by race/ethnicity. Results: A total 39647 HF patients were included [white=32434 (81.8%); black=3809 (9.6%); Hispanic=1928 (4.9%); Asian=544 (1.4%);other=932 (2.3%)]. Blacks and Hispanics with HF were more likely class I obese or higher (BMI≥30) than whites or Asians (P < 0.0001). Among HFpEF, higher BMI was associated with lower 30 day mortality, up to 30 kg/m 2 with little change in risk above 30 (Figure; BMI=30 vs BMI=15 hazard ratio (HR) 0.48, 95% confidence interval (CI) 0.38 - 0.61). A smaller relationship was observed in HFrEF (BMI=30 vs BMI=15 HR 0.64, 95%CI 0.47 - 0.87). There were no significant BMI by race interactions related to mortality (P all >0.05). Conclusions: Although black and Hispanic HF patients were more likely to be obese than whites or Asians, higher BMI was associated with lower 30 day mortality in each racial/ethnic group in a manner not consistent with a J-shaped relationship as noted for CAD. Additionally, the differential slope of the association of obesity and mortality among HFpEF and HFrEF patients suggests differing mechanistic factors requiring further exploration.

Current guidelines recommend cardiac rehabilitation (CR) in medically stable outpatients with heart failure (HF); however, temporal trends and factors associated with CR referral among these patients in real-world practice are not entirely known.The purpose of this study was to assess proportional use, temporal trends, and factors associated with CR referral at discharge among patients admitted with decompensated HF.Using data from a national Get With the Guidelines-Heart Failure registry, we assessed the temporal trends in CR referral among eligible patients with HF with reduced ejection fraction (HFrEF) and HF with preserved ejection fraction (HFpEF) at discharge after HF hospitalization between 2005 and 2014. On multivariable analysis, we also assessed patient- and hospital-level characteristics that are associated with CR referral.Among 105,619 HF patients (48% with HFrEF, 52% with HFpEF), 10.4% (12.2% with HFrEF, 8.8% with HFpEF) received CR referral at discharge. A significant increase in CR referral rates was observed among both HFpEF and HFrEF patients over the study period (ptrend 0.0001 for HFrEF, HFpEF, and overall). Compared with patients discharged without CR referral, patients referred for CR were younger, predominantly men, and more likely to receive evidence-based HF therapies at discharge. On multivariable analysis, younger age, fewer comorbid conditions, and in-hospital procedures such as coronary artery bypass grafting, percutaneous coronary intervention, and cardiac valve surgery were most strongly associated with CR referral.Only one-tenth of eligible HF patients received CR referral at discharge after hospitalization for HF. The proportional use of CR referral is increasing over time among both HFrEF and HFpEF patients. Further strategies to improve physician and patient awareness in regard to the benefit of CR should be used to increase CR referral among patients with HF.

Outcomes among hospitalized heart failure (HF) patients with preserved (pEF), borderline (bEF), and reduced (rEF) ejection fraction have not been well studied. We sought to characterize post-discharge mortality and readmission in HF patients by EF group in the modern era. Get With The Guidelines-HF