"Working me to life" - Longitudinal Perceptions from Adults with Heart Failure with Preserved Ejection Fraction Enrolled in an Exercise Training Clinical Trial.

AIMS: Adults with heart failure with preserved ejection fraction (HFpEF) responded more favorably to an exercise intervention compared to those with reduced ejection fraction. This study explores factors that contributed to this response focusing on the qualitative perceptions of adults with HFpEF enrolled in an exercise intervention. METHODS AND RESULTS: This qualitative descriptive study is a secondary analysis of longitudinal interviews collected at 3, 6, 12, and 18-months from participants with HFpEF enrolled in a randomized controlled trial testing an intervention to promote adherence to exercise. We included participants with at least 2 interviews. Interviews were examined across and within participants and time points using thematic analysis. Analyses included 67 interviews from 21 adults with HFpEF enrolled in the intervention arm. The sample was 52% (11/21) male and over 47% (10/21) non-White. Mean age at enrollment was 63.7 ± 9.9 years. We identified 4 major themes: 1. Overcoming negative attitudes, barriers, and injury, 2. Motivations to exercise, 3. Exercise - the panacea for HFpEF symptoms and quality of life, and 4. Advice for others with HFpEF. CONCLUSIONS: Our findings suggest that for many adults with HFpEF, initial hesitancy, fear, and negative attitudes about exercise can be overcome. Exercise coaching using social cognitive constructs, medical fitness center memberships, and heart rate self-monitoring are successful strategies of engaging adults with HFpEF in long-term unsupervised exercise training. REGISTRATION: This study is registered at ClinicalTrials.gov, NCT01658670.

Sex Disparities in Longitudinal Use and Intensification of Guideline-Directed Medical Therapy Among Patients With Newly Diagnosed Heart Failure With Reduced Ejection Fraction.

BACKGROUND: Guideline-directed medical therapies (GDMTs) are the mainstay of treatment for heart failure with reduced ejection fraction (HFrEF), but they are underused. Whether sex differences exist in the initiation and intensification of GDMT for newly diagnosed HFrEF is not well established. METHODS: Patients with incident HFrEF were identified from the 2016 to 2020 Optum deidentified Clinformatics Data Mart Database, which is derived from a database of administrative health claims for members of large commercial and Medicare Advantage health plans. The primary outcome was the use of optimal GDMT within 12 months of HFrEF diagnosis. Consistent with the guideline recommendations during the time period of the study, optimal GDMT was defined as ≥50% of the target dose of evidence-based beta-blocker plus ≥50% of the target dose of angiotensin-converting enzyme inhibitor or angiotensin receptor blocker, or any dose of angiotensin receptor neprilysin inhibitor plus any dose of mineralocorticoid receptor antagonist. The probability of achieving optimal GDMT on follow-up and predictors of optimal GDMT were evaluated with time-to-event analysis with adjusted Cox proportional hazard models. RESULTS: The study cohort included 63 759 patients (mean age, 71.3 years; 15.2% non-Hispanic Black race; 56.6% male). Optimal GDMT use was achieved by 6.2% of patients at 12 months after diagnosis. Female (compared with male) patients with HFrEF had lower use across every GDMT class and lower use of optimal GDMT at each time point at follow-up. In an adjusted Cox model, female sex was associated with a 23% lower probability of achieving optimal GDMT after diagnosis (hazard ratio [HR], 0.77 [95% CI, 0.71-0.83]; P<0.001). The sex disparities in GDMT use after HFrEF diagnosis were most pronounced among patients with commercial insurance (females compared with males; HR, 0.66 [95% CI, 0.58-0.76]) compared with Medicare (HR, 0.85 [95% CI, 0.77-0.92]); Pinteraction sex×insurance status=0.005) and for younger patients (age <65 years: HR, 0.65 [95% CI, 0.58-0.74]) compared with older patients (age ≥65 years: HR, 87 [95% CI, 80-96]) Pinteraction sex×age=0.009). CONCLUSIONS: Overall use of optimal GDMT after HFrEF diagnosis was low, with significantly lower use among female (compared with male) patients. These findings highlight the need for implementation efforts directed at improving GDMT initiation and titration.

Time of eating and mortality in U.S. adults with heart failure: Analyses of the National Health and Nutrition Examination Survey 2003-2018.

BACKGROUND AND AIMS: Promising associations have been demonstrated between delayed last eating occasion and cardiorespiratory fitness in adults with heart failure (HF), however, it is unknown if time of eating is associated with clinical endpoints such as mortality. This study aimed to examine associations between time of eating variables and all-cause and cardiovascular mortality in the National Health and Nutrition Examination Survey (NHANES). METHODS AND RESULTS: Participants self-disclosed HF diagnosis. Two dietary recalls were obtained and categorical variables were created based on mean time of first eating occasion (8:31 AM), last eating occasion (7:33 PM) and eating window (11.02 h). Mortality was obtained through linkage to the National Death Index. Covariate-adjusted Cox proportional hazard regression models were created examining the association between time of eating and mortality. Participants (n = 991) were 68 (95 % CI 67-69) years of age, 52.6 (95 % CI 49.0-56.3)% men and had a body mass index of 32.5 (95 % CI 31.8-33.2) kg/m2 with follow up time of 68.9 (95 % CI 64.8-72.9) person-months. When models were adjusted for time of eating variables and all other covariates, extending the eating window beyond 11.02 h was associated with decreased risk of cardiovascular (HR 0.36 [95 % CI 0.16-0.81]), but not all-cause mortality. Time of first and last eating occasions were not associated with mortality. CONCLUSIONS: In adults with HF, an extended eating window is associated with reduced risk for cardiovascular mortality. Randomized controlled trials should examine if extending the eating window can improve prognostic indicators such as cardiorespiratory fitness in this population.

Sex differences in long-term outcomes following acute heart failure hospitalization: Findings from the Get With The Guidelines-Heart Failure registry.

AIMS: Sex differences in long-term outcomes following hospitalization for heart failure (HF) across ejection fraction (EF) subtypes are not well described. In this study, we evaluated the risk of mortality and rehospitalization among males and females across the spectrum of EF over 5 years of follow-up following an index HF hospitalization event. METHODS AND RESULTS: Patients hospitalized with HF between 1 January 2006 and 31 December 2014 from the American Heart Association's Get With The Guidelines-Heart Failure registry with available 5-year follow-up using Medicare Part A claims data were included. The association between sex and risk of mortality and readmission over a 5-year follow-up period for each HF subtype (HF with reduced EF [HFrEF, EF ≤40%], HF with mildly reduced EF [HFmrEF, EF 41-49%], and HF with preserved EF [HFpEF, EF >50%]) was assessed using adjusted Cox models. The effect modification by the HF subtype for the association between sex and outcomes was assessed by including multiplicative interaction terms in the models. A total of 155 670 patients (median age: 81 years, 53.4% female) were included. Over 5-year follow-up, males and females had comparably poor survival post-discharge; however, females (vs. males) had greater years of survival lost to HF compared with the median age- and sex-matched US population (HFpEF: 17.0 vs. 14.6 years; HFrEF: 17.3 vs. 15.1 years; HFmrEF: 17.7 vs. 14.6 years for age group 65-69 years). In adjusted analysis, females (vs. males) had a lower risk of 5-year mortality (adjusted hazard ratio [aHR] 0.89, 95% confidence interval [CI] 0.87-0.90, p < 0.0001), and the risk difference was most pronounced among patients with HFrEF (aHR 0.87, 95% CI 0.85-0.89; pinteraction [sex*HF subtype] = 0.04). Females (vs. males) had a higher adjusted risk of HF readmission over 5-year follow-up (aHR 1.06, 95% CI 1.04-1.08, p < 0.0001), with the risk difference most pronounced among patients with HFpEF (aHR 1.11, 95% CI 1.07-1.14; pinteraction [sex*HF subtype] = 0.001). CONCLUSIONS: While females (vs. males) had lower adjusted mortality, females experienced a significantly greater loss in survival time than the median age- and sex-matched US population and had a greater risk of rehospitalization over 5 years following HF hospitalization.

Comorbidities are associated with state hopelessness in adults with ischemic heart disease.

BACKGROUND: In adults with ischemic heart disease (IHD), comorbidities and hopelessness are independently associated with increased risk of mortality. OBJECTIVES: To determine if comorbidities were associated with state and trait hopelessness and explore the influence of specific conditions and hopelessness in individuals hospitalized for IHD. METHODS: Participants completed the State-Trait Hopelessness Scale. Charlson Comorbidity Index (CCI) scores were generated from the medical record. A chi-squared test was used to examine differences in 14 diagnoses included in the CCI by CCI severity. Unadjusted and adjusted linear models were used to explore the relationship between hopelessness levels and the CCI. RESULTS: Participants (n=132) were predominantly male (68.9%), with a mean age of 62.6 years, and majority white (97%). The mean CCI was 3.5 (range 0-14), with 36.4% having a score of 1-2 (mild), 41.2% with a score of 3-4 (moderate) and 22.7% with a score of ≥5 (severe). The CCI was positively associated with both state (ß=0.03; 95% CI 0.01, 0.05; p=0.002) and trait (ß=0.04; 95% CI 0.01, 0.06; p=0.007) hopelessness in unadjusted models. The relationship for state hopelessness remained significant after adjusting for multiple demographic characteristics (ß=0.03; 95% CI 0.01, 0.05; p=0.02), while trait hopelessness did not. Interaction terms were evaluated, and findings did not differ by age, sex, education level, or diagnosis/type of intervention. CONCLUSION: Hospitalized individuals with IHD with a higher number of comorbidities may benefit from targeted assessment and brief cognitive intervention to identify and ameliorate state hopelessness which has been associated with worse long-term outcomes.

The role of a multidisciplinary heart failure clinic in optimization of guideline-directed medical therapy: HF-optimize.

BACKGROUND: Guideline-directed medical therapy (GDMT) reduces mortality and hospitalizations in adults with heart failure with reduced ejection fraction (HFrEF); however, few are receiving GDMT. National registries show as few as 1% of patients are receiving appropriate GDMT. Development of heart failure clinics achieving optimal GDMT are crucial to improve outcomes for HFrEF patients. OBJECTIVE: We developed a multidisciplinary HF-Optimize clinic aimed at improving GDMT use along with providing education, resources, and comorbidity screening for adults with HFrEF. METHODS: We targeted patients with newly diagnosed HFrEF and/or recent or multiple admissions for 6 visits over 12 weeks. We measured medication use, ejection fraction, 6-minute walk test distance, and health-related quality of life (EuroQol Visual Analog Scale) at visits 1 and 6. RESULTS: One-hundred ten patients completed all visits. Patients were a mean age of 58 (±14) years, 37% were female, and 42% were of non-White race. From visit 1 to visit 6, utilization of GDMT increased from 35.5% to 85.5% (p < 0.001) and significant improvements in ejection fraction (25.9% to 35.5%, p < 0.001), 6-minute walk distance (1032 feet to 1121.7 feet, p = 0.001), and quality of life (63.8/100 vs 70.8/100, p = 0.002). Only 2 patients (1.8%) that completed HF-Optimize had a 30-day heart failure readmission. CONCLUSION: Our multidisciplinary HF-Optimize clinic improved medication usage and clinical outcomes. Further studies are needed to validate outcomes of multidisciplinary GDMT clinics.

Exercise Interventions During Hospitalization for Stem Cell Transplantation: An Integrative Review.

Exercise interventions may influence adverse effects experienced during hospitalization for hematopoietic stem cell transplantation (HSCT). Adherence to exercise interventions is challenging. This review aimed to synthesize the literature to identify exercise interventions implemented during hospitalization for HSCT, including intervention characteristics, adherence, barriers and facilitators, and behavior change techniques using the behavior change technique taxonomy. A review of PubMed, CINAHL, PsycINFO, and Embase was completed. The sample included 19 studies. Exercise interventions demonstrated heterogeneity in prescription components, definitions, measures, and reporting of adherence. Barriers and facilitators of adherence to exercise were reported infrequently. Behavior change techniques most frequently used in studies reporting adherence rates of ≥75% included instruction on how to perform the behavior, graded tasks, and adding objects to the environment. The heterogeneity in definitions and measures of adherence limit forming conclusions to identify barriers and facilitators and determine which behavior change techniques increase adherence to exercise during HSCT.

Pre-left Ventricular Assist Device Cognition: A Comparison of Rural and Urban Implant Recipients.

Mild cognitive impairment (MCI) is common in patients before left ventricular assist device (LVAD) placement. The consequences of these deficits may differentially impact groups of patients with limited access to postimplantation resources, such as those in rural areas. However, to date, no studies have examined preimplantation cognition in rural and urban patients. Therefore, the purpose of this study was to compare cognition in rural and urban patients before LVAD implantation. This observational cohort study is a secondary analysis of 265 patients undergoing LVAD implantation between July 2004 and June 2019. Preimplantation cognitive function was assessed. Rural-Urban Commuting Area Codes designated rural and urban. Independent-samples Mann-Whitney U tests were used to compare rural and urban cohorts. Subjects were 75.8% (201/265) male, 75.4% (200/265) urban, and 56.6% (±13.2) years old. Rural subjects scored significantly lower on the Mini Mental Status Exam (MMSE) (27 ± 2.20) and Wide Range Achievement Test (WRAT) (32 ± 22.9) compared with urban counterparts (MMSE, 27.6 ± 2.7) (p = 0.009); WRAT (44.4 ± 26.2) (p = 0.02) pre-LVAD. These findings suggest rural patients may have greater MCI before LVAD implantation. Rural LVAD recipients with MCI may require additional intensive education and tailored resource identification before discharge.

The HEART Camp Exercise Intervention Improves Exercise Adherence, Physical Function, and Patient-Reported Outcomes in Adults With Preserved Ejection Fraction Heart Failure.

BACKGROUND: Despite exercise being one of few strategies to improve outcomes for individuals with heart failure with preserved ejection fraction (HFpEF), exercise clinical trials in HFpEF are plagued by poor interventional adherence. Over the last 2 decades, our research team has developed, tested, and refined Heart failure Exercise And Resistance Training (HEART) Camp, a multicomponent behavioral intervention to promote adherence to exercise in HF. We evaluated the effects of this intervention designed to promote adherence to exercise in HF focusing on subgroups of participants with HFpEF and heart failure with reduced ejection fraction (HFrEF). METHODS AND RESULTS: This randomized controlled trial included 204 adults with stable, chronic HF. Of those enrolled, 59 had HFpEF and 145 had HFrEF. We tested adherence to exercise (defined as ≥120 minutes of moderate-intensity [40%-80% of heart rate reserve] exercise per week validated with a heart rate monitor) at 6, 12, and 18 months. We also tested intervention effects on symptoms (Patient-Reported Outcomes Measurement Information System-29 and dyspnea-fatigue index), HF-related health status (Kansas City Cardiomyopathy Questionnaire), and physical function (6-minute walk test). Participants with HFpEF (n = 59) were a mean of 64.6 ± 9.3 years old, 54% male, and 46% non-White with a mean ejection fraction of 55 ± 6%. Participants with HFpEF in the HEART Camp intervention group had significantly greater adherence compared with enhanced usual care at both 12 (43% vs 14%, phi = 0.32, medium effect) and 18 months (56% vs 0%, phi = 0.67, large effect). HEART Camp significantly improved walking distance on the 6-minute walk test (η2 = 0.13, large effect) and the Kansas City Cardiomyopathy Questionnaire overall (η2 = 0.09, medium effect), clinical summary (η2 = 0.16, large effect), and total symptom (η2 = 0.14, large effect) scores. In the HFrEF subgroup, only patient-reported anxiety improved significantly in the intervention group. CONCLUSIONS: A multicomponent, behavioral intervention is associated with improvements in long-term adherence to exercise, physical function, and patient-reported outcomes in adults with HFpEF and anxiety in HFrEF. Our results provide a strong rationale for a large HFpEF clinical trial to validate these findings and examine interventional mechanisms and delivery modes that may further promote adherence and improve clinical outcomes in this population. CLINICAL TRIAL REGISTRATION: URL: https://clinicaltrials.gov/. Unique identifier: NCT01658670.

Frailty Assessment in Heart Failure and Ventricular Assist Device Populations: A Review from the United States.

IMPORTANCE: Post-operative risk is increased with frail individuals undergoing cardiac surgery. Yet, there is no consensus for frailty assessment prior to durable left ventricular assist device (dLVAD) evaluation. OBJECTIVE: The objectives of this integrative review were to describe frailty measures, examine psychometrics of measures used, and identify variables related to frailty in heart failure with reduced ejection fraction (HFrEF) and dLVAD populations. DESIGN, SETTING, PARTICIPANTS: PubMed, CINAHL, and Embase databases were searched for terms related to frailty, HFrEF and dLVAD that met inclusion criteria. RESULTS: Fourteen articles met inclusion criteria. Frailty was inconsistently defined. The Fried Phenotype Criteria was the most widely used approach to measurement. Validity was reported in all articles. Variables related to frailty included readmissions, higher mortality and increased adverse events. CONCLUSION: There was variability in frailty definition and frailty measurement across studies. Further research in HFrEF and dLVAD populations is needed for frailty evaluation.

Negative Attitudes, Self-efficacy, and Relapse Management Mediate Long-Term Adherence to Exercise in Patients With Heart Failure.

BACKGROUND: Exercise is safe and provides considerable benefits for patients with heart failure (HF) including improved function, quality of life, and symptoms. However, patients with HF have difficulty initiating and adhering to an exercise regimen. To improve adherence, our team developed Heart Failure Exercise and Resistance Training (HEART) Camp, a multicomponent, theory-driven intervention that was efficacious in a randomized controlled trial of long-term adherence to exercise in patients with HF. Identifying active components of efficacious interventions is a priority. PURPOSE: The purpose of this study is to use mediation analysis to determine which interventional components accounted for long-term adherence to exercise in patients with HF. METHODS: This study included 204 patients with HF enrolled in a randomized controlled trial. Instruments measuring interventional components were completed at baseline, 6, 12, and 18 months. Hierarchical linear models generated slope estimates to be used as predictors in logistic regression models. Significant variables were tested for indirect effects using path analyses with 1,000 bootstrapped estimates. RESULTS: Significant mediation effects were observed for the interventional components of negative attitudes (ß NA = 0.368, s.e. = 0.062, p < .001), self-efficacy (ß SE = 0.190, s.e. = 0.047, p < .001), and relapse management (ß RM = 0.243, s.e. = 0.076, p = .001). CONCLUSIONS: These findings highlight improving attitudes, self-efficacy, and managing relapse as key interventional components to improve long-term adherence to exercise in patients with HF. Future interventions targeting adherence to exercise in patients with HF and other chronic illnesses should consider the incorporation of these active components.

Predicting maximal oxygen uptake from the 6 min walk test in patients with heart failure.

AIMS: A cardiopulmonary exercise (CPX) test is considered the gold standard in evaluating maximal oxygen uptake. This study aimed to evaluate the predictive validity of equations provided by Burr et al., Ross et al., Adedoyin et al., and Cahalin et al. in predicting peak VO2 from 6 min walk test (6MWT) distance in patients with heart failure (HF). METHODS AND RESULTS: New York Heart Association Class I-III HF patients performed a maximal effort CPX test and two 6MWTs. Correlations between CPX VO2 peak and the predicted VO2 peak , coefficient of determination (R2 ), and mean absolute percentage error (MAPE) scores were calculated. P-values were set at 0.05. A total of 106 participants aged 62.5 ± 11.5 years completed the tests. The mean VO2 peak from CPX testing was 16.4 ± 3.9 mL/kg/min, and the mean 6MWT distance was 419.2 ± 93.0 m. The predicted mean VO2 peak (mL/kg/min) by Burr et al., Ross et al., Adedoyin et al., and Cahalin et al. was 22.8 ± 8.8, 14.6 ± 2.1, 8.30 ± 1.4, and 16.6 ± 2.8. A significant correlation was observed between the CPX test VO2 peak and predicted values. The mean difference (0.1 mL/kg/min), R2 (0.97), and MAPE (0.14) values suggest that the Cahalin et al. equation provided the best predictive validity. CONCLUSIONS: The equation provided by Cahalin et al. is simple and has a strong predictive validity, and researchers may use the equation to predict mean VO2 peak in patients with HF. Based on our observation, equations to predict individual maximal oxygen uptake should be used cautiously.

Long-term exercise adherence in patients with heart failure: A qualitative study.

BACKGROUND: Regular exercise is associated with numerous benefits; yet up to 91% of patients with heart failure (HF) do not exercise regularly. This study explored factors supporting long-term exercise adherence in patients with HF. DESIGN: This study was a qualitative multiple-case study. METHODS: Data were collected via semi-structured interviews from patients with HF at completion of an 18-month exercise intervention in a health care exercise facility and analyzed using a directed content analysis approach. RESULTS: Participants (n=22) identified perceived health status, scheduling/making exercise part of a routine, social support from coaches and family, knowledge about exercise, and motivation/perseverance as supports for long-term exercise adherence. CONCLUSIONS: Perceived health status may be key when promoting exercise adherence in this population. Knowledge, social support from coaches and family members, and motivation should be considered for long-term exercise adherence.

A longitudinal comparison of health-related quality of life in rural and urban recipients of left ventricular assist devices.

Left ventricular assist devices (LVAD) are a common treatment for advanced heart failure (HF) to improve ventricular function, symptoms, and health-related quality of life (HRQOL). Many LVAD recipients travel long distances from rural areas for LVAD implantation and follow-up care. Individuals with HF in rural settings who have not undergone LVAD implantation have reported poor HRQOL. However, to date, no studies have compared HF-specific or generic HRQOL in rural and urban LVAD recipients. The purpose of this study was to compare generic and HF-specific HRQOL longitudinally from preimplantation to 1-, 3-, and 6- months postimplant in a cohort of rural and urban LVAD recipients (n = 95; rural n = 32 and urban n = 63). We measured generic HRQOL using the European Quality of Life Visual Analog Scale and HF-specific HRQOL with the quality of life domain of the Kansas City Cardiomyopathy Questionnaire (KCCQ). Latent growth curve modeling identified two phases of change in generic and HF-specific HRQOL: the initial response to LVAD between preimplantation and 1-month postimplant and the subsequent change between 1- and 6-months postimplant. Comparable improvements in generic HRQOL were noted in rural and urban LVAD recipients during both phases of change. Urban LVAD recipients had greater initial improvements in HF-specific HRQOL (KCCQ) compared with rural recipients (13.0 ± 5.6, p = .02), but subsequent improvements were similar among rural and urban recipients. Ongoing assessment of generic and HF-specific HRQOL is necessary during LVAD therapy.

Intervention Components Targeting Self-Management in Individuals with Multiple Chronic Conditions: An Integrative Review.

Multiple chronic conditions (MCC) are becoming increasingly common and self-management (SM) interventions to address MCC are emerging. Prior reviews have broadly examined SM interventions in MCC; however, interventional components were not thoroughly described. Components of SM interventions that have been delivered to individuals with MCC were identified. A review of CINAHL, Cochrane, PubMed, PsycINFO, Scopus, and Embase was completed. This search yielded 13,994 potential studies; 31 studies among those 13,994 studies met inclusion for analysis. The literature is multidisciplinary and describes a wide variety of interventional strategies implementing various combinations of components. A descriptive analysis of the studies' components, application of the components, delivery methods, and primary outcomes demonstrated clear variations between programs. The most common components noted in the 31 studies were education, action planning/goal setting, self-monitoring, and social/peer support. The variation in SM programs limits conclusive evidence for which components are recommended to improve self-management in individuals with MCC.

The influence of the HEART Camp intervention on physical function, health-related quality of life, depression, anxiety and fatigue in patients with heart failure.

BACKGROUND: Regular exercise training has beneficial effects on quality of life, physical function, depression and anxiety in individuals with heart failure. Unfortunately, individuals with heart failure have low levels of adherence to exercise. Thus, studies are needed to assess intervention strategies which may enhance clinical outcomes. AIM: The aim of this study was to identify the components of the HEART Camp intervention, which contributed to optimizing clinical outcomes. METHODS: The Heart Failure Exercise and Resistance Training Camp (HEART Camp) was a randomized controlled trial to evaluate the effect of a multicomponent intervention on adherence to exercise (6, 12 and 18 months) compared to an enhanced usual care group. This study assessed various components of the intervention on the secondary outcomes of physical function, health-related quality of life, depression, anxiety, and fatigue. RESULTS: Individuals participating (n=204) in this study were 55.4% men and the average age was 60.4 (11.5) years. A combination of individualized and group-based strategies demonstrated clinical improvements, HEART Camp versus enhanced usual care groups, in physical function, positive trends in health-related quality of life and positive changes in the minimally important differences for depression, anxiety, and fatigue. CONCLUSIONS: Individualized coaching by an exercise professional and group-based educational sessions were identified as important components of patient management contributing to improvements in the secondary outcomes of physical function, health-related quality of life, depression, anxiety and fatigue.

Adverse-Event Free Survival, Hospitalizations, and Mortality in Left Ventricular Assist Device Recipients: A Rural-Urban Cohort Comparison.

BACKGROUND: The number of individuals with advanced heart failure (HF) receiving left ventricular assist devices (LVADs) is growing. Postimplantation LVAD recipients return home to both rural and urban locations. The impact of rural or urban living on postimplantation outcomes has not been adequately explored. OBJECTIVE: This cohort study examined adverse event-free survival, hospitalization-free survival, and all-cause mortality between rural and urban LVAD recipients in the first 2 years after implantation. METHODS: Data from LVAD recipients (N = 141) implanted at a single center in the northeastern United States were analyzed. Recipients of LVAD were designated as rural or urban by county of residence. Adverse events, hospitalizations, and survival time were examined using multivariate Cox proportional hazards models. RESULTS: Thirty-seven percent of LVAD recipients in the cohort were rural. Two-thirds of all LVAD recipients experienced at least 1 adverse event (96/141, 68.1%). Although more urban recipients experienced adverse events, including death, rural versus urban models of both adverse events and survival were nonsignificant (adverse events: log-rank = 1.18, P = .28; hazard ratio [HR], 0.96; 95% confidence interval [CI], 0.57-1.63; P = .89; survival: log-rank =2.81, P = .09; HR, 0.45; 95% CI, 0.17-1.23; P = .12). Rural LVAD recipients experienced significantly more hospitalizations and shorter hospitalization-free survival (log-rank = 6.67, P = .009). However, the HR for survival was nonsignificant (HR, 1.5; 95% CI, 0.94-2.39; P = .08). CONCLUSIONS: Frequent adverse events and hospitalizations are of ongoing concern for LVAD recipients. More data are necessary to understand why urban LVAD recipients may experience shorter survival time compared with rural counterparts. Hospitalization may serve as a protective factor for rural LVAD recipients.