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1.
Am J Cardiol ; 2021 Feb 19.
Artigo em Inglês | MEDLINE | ID: mdl-33617809

RESUMO

Our objective was to perform an economic evaluation of an N-terminal pro B-type natriuretic peptide (NT-proBNP)-supported diagnostic strategy among dyspneic patients suspected of acute heart failure (AHF) in the emergency department (ED). A decision-tree model was developed to evaluate clinical outcomes and costs for NT-proBNP-supported assessment compared with clinical assessment alone over 6 months from the United States (US) Medicare perspective. The model considered rule-in/rule-out cutoffs identified in the ICON and ICON-RELOADED studies. AHF prevalence, diagnostic accuracies, and medical resource use conditional on disease status and test results were derived from ICON-RELOADED. Several assumptions based on prior studies of NT-proBNP acute dyspnea and verified with clinicians were applied to medical resource use and assessed in sensitivity analyses. Compared with clinical assessment alone, NT-proBNP-supported assessment improved overall probability of correct diagnosis by a relative 7% (18% for true-positive and 5% for true-negative). This led to relative reductions in medical resource use in ED and hospital, including fewer initial hospitalizations (-14%), required echocardiograms (-31%), cardiology admissions (-16%), intensive care unit admissions (-12%), ED readmissions (-3%), and hospital readmissions (-22%). NT-proBNP use decreased average inpatient management costs by a relative 10%, yielding cost savings of US$2,337 per patient ED visit. These findings were robust in sensitivity analyses. In conclusion, based on a contemporary trial of patients with acute dyspnea, this analysis reaffirmed that using NT-proBNP as a diagnostic tool may improve the management of patients with dyspnea presenting to EDs and is likely to be cost-saving from the US Medicare perspective.

2.
J Am Coll Cardiol ; 77(7): 848-857, 2021 Feb 23.
Artigo em Inglês | MEDLINE | ID: mdl-33602466

RESUMO

BACKGROUND: Type 2 myocardial infarction (MI) patients may have different characteristics and outcomes when compared with type 1 MI. OBJECTIVES: The purpose of this study was to compare patients with type 1 MI to those with type 2 MI in the United States. METHODS: Using the Nationwide Readmissions Database, MI patients were categorized over the 3 months following the introduction of an International Classification of Diseases-10th Revision code specific for type 2 MI. Baseline characteristics and inpatient and post-discharge outcomes among both cohorts were compared. RESULTS: There were 216,657 patients with type 1 MI, 37,765 patients with type 2 MI, and 1,525 patients with both type 1 and 2 MI. Patients with type 2 MI were older (71 years vs. 69 years; p < 0.001), were more likely to be women (47.3% vs. 40%; p < 0.001), and had higher prevalence of heart failure (27.9% vs. 10.9%; p < 0.001), kidney disease (35.7% vs. 25.7%; p < 0.001), and atrial fibrillation (31% vs. 21%; p < 0.001). Rates of coronary angiography (10.9% vs. 57.3%; p < 0.001), percutaneous coronary intervention (1.7% vs. 38.5%; p < 0.001), and coronary artery bypass grafting (0.4% vs. 7.8%; p < 0.001) were lower among type 2 MI patients. Patients with type 2 MI had lower risk of in-hospital mortality (adjusted odds ratio: 0.57 [95% confidence interval: 0.54 to 0.60]) and 30-day MI readmission (adjusted odds ratio: 0.46 [95% confidence interval: 0.35 to 0.59]). There was no difference in risk of 30-day all-cause or heart failure readmission. CONCLUSIONS: Patients with type 2 MI have a unique cardiovascular phenotype when compared with type 1 MI, and are managed in a heterogenous manner. Validated management strategies for type 2 MI are needed.

4.
Eur Heart J ; 2021 Jan 09.
Artigo em Inglês | MEDLINE | ID: mdl-33420498

RESUMO

AIMS: In this secondary analysis of the EMPEROR-Reduced trial, we sought to evaluate whether the benefits of empagliflozin varied by baseline health status and how empagliflozin impacted patient-reported outcomes in patients with heart failure with reduced ejection fraction. METHODS AND RESULTS: Health status was assessed by the Kansas City Cardiomyopathy Questionnaires-clinical summary score (KCCQ-CSS). The influence of baseline KCCQ-CSS (analyzed by tertiles) on the effect of empagliflozin on major outcomes was examined using Cox proportional hazards models. Responder analyses were performed to assess the odds of improvement and deterioration in KCCQ scores related to treatment with empagliflozin. Empagliflozin reduced the primary outcome of cardiovascular death or heart failure hospitalization regardless of baseline KCCQ-CSS tertiles [hazard ratio (HR) 0.83 (0.68-1.02), HR 0.74 (0.58-0.94), and HR 0.61 (0.46-0.82) for <62.5, 62.6-85.4, and ≥85.4 score tertiles, respectively; P-trend = 0.10]. Empagliflozin improved KCCQ-CSS, total symptom score, and overall summary score at 3, 8, and 12 months. More patients on empagliflozin had ≥5-point [odds ratio (OR) 1.20 (1.05-1.37)], 10-point [OR 1.26 (1.10-1.44)], and 15-point [OR 1.29 (1.12-1.48)] improvement and fewer had ≥5-point [OR 0.75 (0.64-0.87)] deterioration in KCCQ-CSS at 3 months. These benefits were sustained at 8 and 12 months and were similar for other KCCQ domains. CONCLUSION: Empagliflozin improved cardiovascular death or heart failure hospitalization risk across the range of baseline health status. Empagliflozin improved health status across various domains, and this benefit was sustained during long-term follow-up. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT03057977.

5.
Artigo em Inglês | MEDLINE | ID: mdl-33400890

RESUMO

RATIONALE: Standard physiologic assessments of extubation readiness in patients with acute hypoxemic respiratory failure (AHRF) may not reflect lung injury resolution and could adversely affect clinical decision-making and patient outcomes. OBJECTIVES: We hypothesized that elevations in inflammatory plasma biomarkers soluble suppression of tumerogenicity-2 (sST2) and interleukin-6 (IL-6) indicate ongoing lung injury in AHRF and better inform patient outcomes compared to standard clinical assessments. METHODS: We measured daily plasma biomarkers and physiologic variables in 200 patients with AHRF for up to 9 days after intubation. We tested the associations of baseline values with the primary outcome of unassisted breathing at day 29. We analyzed the ability of serial biomarker measurements to inform successful ventilator liberation. MEASUREMENTS AND MAIN RESULTS: Baseline sST2 concentrations were higher in patients dead or mechanically ventilated versus breathing unassisted at day 29 (491.7 ng/mL, IQR 294.5-670.1 ng/mL vs. 314.4 ng/mL, IQR 127.5-550.1 ng/mL, P = 0.0003). Higher sST2 concentrations over time were associated with decreased probability of ventilator liberation (HR 0.80 per log-unit increase, 95% CI 0.75-0.83, P = 0.03). Patients with higher sST2 concentrations on the day of liberation were more likely to fail liberation compared to patients who remained successfully liberated (320.9 ng/mL, IQR 181.1-495.6 ng/mL vs. 161.6 ng/mL, IQR 95.8-292.5 ng/mL, P = 0.002). Elevated sST2 concentrations on the day of liberation decreased the odds of successful liberation when adjusted for standard physiologic parameters (OR 0.325, 95% CI 0.119-0.885, P = 0.03). IL-6 levels did not associate with outcomes. CONCLUSIONS: Using sST2 concentrations to guide ventilator management may more accurately reflect underlying lung injury and outperform traditional measures of readiness for ventilator liberation.

7.
Curr Heart Fail Rep ; 2021 Jan 22.
Artigo em Inglês | MEDLINE | ID: mdl-33481182

RESUMO

PURPOSE OF REVIEW: To review reverse cardiac remodeling and guideline-directed medical and device therapy (GDMT) within the context of recent data on combined angiotensin receptor/neprilysin inhibitor (ARNI) therapy. RECENT FINDINGS: Preliminary data suggested that ARNI therapy led to significant reversal of deleterious cardiac remodeling. More definitive data regarding impact of ARNI therapy on remodeling parameters are now available from two prospective trials, PROVE-HF (Prospective Study of Biomarkers, Symptom Improvement, and Ventricular Remodeling During Sacubitril/Valsartan Therapy for Heart Failure) and EVALUATE-HF (Study of Effects of Sacubitril/Valsartan vs. Enalapril on Aortic Stiffness in Patients With Mild to Moderate HF With Reduced Ejection Fraction). Both studies demonstrated marked improvements in biomarker and echocardiographic parameters of reverse cardiac remodeling in patients with heart failure with reduced ejection fraction (HFrEF). Much of the observed clinical benefit of sacubitril/valsartan therapy in patients with HFrEF is likely related to significant reverse cardiac remodeling. Ongoing trials will assess the role for ARNI therapy in patients with heart failure with preserved ejection fraction (HFpEF) and in the post-myocardial infarction setting. Future studies should comprehensively assess predictors of response to ARNI therapy.

9.
JACC Heart Fail ; 9(2): 137-145, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33309581

RESUMO

OBJECTIVE: This study sought to determine whether patients with heart failure and reduced ejection fraction (HFrEF) with type 2 diabetes mellitus (T2DM) have similar reverse cardiac remodeling with sacubitril/valsartan as patients without T2DM. BACKGROUND: Sacubitril/valsartan promotes reverse cardiac remodeling and improves outcomes in patients with HFrEF. Patients with HFrEF with T2DM have worse prognosis than those without T2DM. METHODS: In this post hoc analysis of PROVE-HF (Prospective Study of Biomarkers, Symptom Improvement, and Ventricular Remodeling During Sacubitril/Valsartan Therapy for Heart Failure), we examined changes in N-terminal pro-b-type natriuretic peptide (NT-proBNP), measures of cardiac remodeling, and Kansas City Cardiomyopathy Questionnaire Overall Summary (KCCQ-OS) scores from baseline to 12 months following initiation of sacubitril/valsartan between patients with HFrEF with and without T2DM. Using latent growth curve modeling, we evaluated the longitudinal association between changes in NT-proBNP, left ventricular ejection fraction, and KCCQ-OS. RESULTS: Among 794 patients enrolled, 361 (45.5%) had T2DM. NT-proBNP concentrations were modestly higher at baseline among patients with T2DM but were reduced after initiation of sacubitril/valsartan. Cross-sectional improvement was observed in left ventricular ejection fraction (T2DM: 28.3% at baseline and 37% at 12 months vs. non-T2DM: 28.1% at baseline and 38.3% at 12 months) and KCCQ-OS (T2DM: 71 at baseline and 83 at 12 months vs. non-T2DM: 76 at baseline and 88 at 12 months). Similar changes were also observed for other echocardiographic measures. In longitudinal analyses, the average NT-proBNP change was similar in patients with T2DM (-5.6% vs. -7.1% per 90-day interval; p = 0.64), whereas improvements in KCCQ-OS scores were slightly smaller (2.1 vs. 3.46 per 90-day interval; p = 0.07). CONCLUSIONS: Sacubitril/valsartan favorably affects natriuretic peptide levels, reverse cardiac remodeling, and health status in patients with HFrEF with and without T2DM. (Effects of Sacubitril/Valsartan Therapy on Biomarkers, Myocardial Remodeling and Outcomes [PROVE-HF]; NCT02887183).

10.
Clin Chem ; 67(1): 79-86, 2021 Jan 08.
Artigo em Inglês | MEDLINE | ID: mdl-33316036

RESUMO

BACKGROUND: Several large trials have demonstrated cardiac benefits in patients with and without established cardiovascular disease treated with sodium-glucose co-transporter 2 inhibitors (SGLT2i). Most recently, in patients with heart failure with reduced ejection fraction (HFrEF), the risk of worsening HF or cardiovascular death was lower among those who received dapagliflozin than among those who received placebo, regardless of the presence or absence of diabetes. Biomarkers may provide insight into understanding the mechanism of cardiovascular benefit observed in patients receiving SLGT2i. Several mechanisms have been proposed, including improvement in ventricular unloading due to the natriuretic effects, afterload reduction via reduction in blood pressure and improvement in vascular function, improvement in cardiac metabolism and bioenergetics, and reduction in cardiac fibrosis and necrosis, among others. CONTENT: We discuss several animal and human studies on the effect of SGLT2i on various biomarkers. Modest reduction or blunting of rise over time in concentrations of atrial natriuretic peptide, B-type natriuretic peptide, and N-terminal pro B-type natriuretic peptide and reduction in high-sensitivity troponin has been observed in patients receiving SLGT2i. Concentrations of biomarkers such as sST2 and galectin-3 have been unchanged whereas inflammatory markers such as fibronectin 1, interleukin-6, matrix metalloproteinase 7, and tumor necrosis factor-1 are decreased with SGLT2i therapy. SUMMARY: The effect of SLGT2i on various circulating biomarkers allows insight into the understanding of mechanisms of cardiovascular benefits with SGLT2i use. Further studies are needed to understand such mechanisms and to understand how biomarkers can be used for risk prediction and personalization of care in patients receiving SLGT2i.

11.
Clin Chem ; 67(1): 4-5, 2021 Jan 08.
Artigo em Inglês | MEDLINE | ID: mdl-33316050
12.
J Am Coll Cardiol ; 76(23): 2752-2754, 2020 Dec 08.
Artigo em Inglês | MEDLINE | ID: mdl-33272369
13.
JAMA ; 324(21): 2215-2216, 2020 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-33258887
14.
J Psychosom Res ; 140: 110291, 2020 Nov 11.
Artigo em Inglês | MEDLINE | ID: mdl-33227557

RESUMO

OBJECTIVE: New-onset depressive symptoms commonly arise among persons without a history of major depressive disorder (MDD) in the setting of acute medical illness. Although depressive symptoms in general are associated with alterations in prognostic biomarkers following acute coronary syndrome (ACS), the nature of specifically new-onset depressive symptoms is less well-characterized. It is unclear whether such symptoms neurobiologically resemble recurrent symptoms of MDD or instead represent a distinct condition. In this exploratory analysis, we aimed to examine the effects of prior MDD history on the relationships between post-ACS depressive symptoms and cardiovascular biomarkers. METHODS: One-hundred sixty-four participants attended study visits 2 weeks and 6 months after ACS to complete self-report measures and provide biomarker samples. MDD history was identified by a psychiatrist through systematic electronic medical record review. Generalized estimating equations were performed to examine the moderating effects of MDD history on concurrent relationships between depressive symptoms and several biomarkers (endothelin-1, soluble intercellular adhesion molecule-1, high-sensitivity C-reactive protein, interleukin-6, and tumor necrosis factor-alpha). RESULTS: Twenty percent (n = 33) of participants had a history of MDD. Depressive symptoms were more strongly associated with levels of endothelin-1 in patients with prior MDD compared to those without (B = 0.024, 95% CI [0.005, 0.043], p = .012), adjusting for age, sex, medical factors, and anxiety. MDD history did not moderate relationships between depressive symptoms and other biomarkers. CONCLUSION: Recurrent post-ACS depressive symptoms are more strongly associated with elevated endothelin-1 levels than new-onset symptoms. Further work is needed to clarify the mechanism and clinical implications of this relationship.

15.
J Am Coll Cardiol ; 76(20): 2368-2378, 2020 11 17.
Artigo em Inglês | MEDLINE | ID: mdl-33183511

RESUMO

The coronavirus disease-2019 (COVID-19) pandemic has profoundly changed clinical care and research, including the conduct of clinical trials, and the clinical research ecosystem will need to adapt to this transformed environment. The Heart Failure Academic Research Consortium is a partnership between the Heart Failure Collaboratory and the Academic Research Consortium, composed of academic investigators from the United States and Europe, patients, the U.S. Food and Drug Administration, the National Institutes of Health, and industry members. A series of meetings were convened to address the challenges caused by the COVID-19 pandemic, review options for maintaining or altering best practices, and establish key recommendations for the conduct and analysis of clinical trials for cardiovascular disease and heart failure. This paper summarizes the discussions and expert consensus recommendations.


Assuntos
Ensaios Clínicos como Assunto , Infecções por Coronavirus , Pandemias , Pneumonia Viral , Determinação de Ponto Final , Humanos , Fatores Socioeconômicos , Estatística como Assunto
16.
JACC Heart Fail ; 2020 Nov 04.
Artigo em Inglês | MEDLINE | ID: mdl-33189630

RESUMO

BACKGROUND: Treatment of heart failure with reduced ejection fraction (EF) may improve patient-reported health outcomes. OBJECTIVES: The purpose of this study was to determine timing and magnitude of change in Kansas City Cardiomyopathy Questionnaire (KCCQ)-23 scores following initiation of sacubitril/valsartan and interaction with change in amino-terminal pro-B-type natriuretic peptide (NT-proBNP) concentrations. METHODS: From a single-arm, open-label study of patients initiated on sacubitril/valsartan, KCCQ-23 scores and NT-proBNP were obtained at baseline and follow-up through 12 months. Cross-sectional and longitudinal analyses evaluated magnitude and rate of change in KCCQ-23 scores and associations with NT-proBNP. Patient-level data from the randomized EVALUATE-HF study were used as historic controls. RESULTS: The analysis cohort (n = 678, age 64.7 years, 71.5% men, EF 28.9%) had a baseline KCCQ-23 overall score (OS) of 65.6. Following sacubitril/valsartan initiation, the majority (n = 412; 60.8%) of participants experienced a rise in KCCQ-23 OS ≥10 points; 26.0% increased by ≥20 points. Comparable improvement in KCCQ-23 scores was seen in various subgroups. Change in KCCQ-23 OS was inversely associated with change in circulating NT-proBNP concentrations. Among a control group of patients in EVALUATE-HF, linear rate of change in KCCQ-12 OS/14-day interval in the enalapril arm was 0.37 points (p = 0.06), whereas in the sacubitril/valsartan arm, scores increased at a rate of 1.19 points (p < 0.001), nearly identical to this dataset (1.08 points; p < 0.001). CONCLUSIONS: Treatment of heart failure with reduced EF with sacubitril/valsartan is associated with rapid and significant improvement in KCCQ-23 scores which was significantly related to change in NT-proBNP. (Effects of Sacubitril/Valsartan Therapy on Biomarkers, Myocardial Remodeling and Outcomes [PROVE-HF]; NCT02887183).

17.
JACC Heart Fail ; 2020 Nov 04.
Artigo em Inglês | MEDLINE | ID: mdl-33189632

RESUMO

OBJECTIVES: This study sought to assess associations between longitudinal change in atrial natriuretic peptide (ANP) and reverse cardiac remodeling following initiation of sacubitril/valsartan in patients with heart failure with reduced ejection fraction (HFrEF). BACKGROUND: Neprilysin inhibition results in an increase of several vasoactive peptides that may mediate the beneficial effects of sacubitril/valsartan, including ANP. METHODS: In a prospective study of initiation and titration of sacubitril/valsartan in patients with HFrEF, blood was collected at scheduled time points into tubes containing protease inhibitors. This pre-specified exploratory analysis included patients in whom ANP was measured at baseline and serially through 12 months of treatment. RESULTS: Among 144 participants (mean age: 64.5 years; left ventricular ejection fraction: 30.8%), following initiation of sacubitril/valsartan, there was an early and significant increase in ANP, with the majority of rise from 99 pg/ml at baseline to 156 pg/ml at day 14 (p < 0.001). There was a further trend toward a second increase from day 30 to day 45 (p = 0.07). At maximal rise, ANP had doubled. In longitudinal analyses, early rise in ANP was followed by a subsequent increase in urinary cycle guanosine monophosphate. Larger early increase in ANP was associated with larger later improvements in left ventricular ejection fraction and left atrial volume index (p < 0.001 for both). CONCLUSIONS: Concentrations of ANP doubled after initiation of sacubitril/valsartan in patients with HFrEF. Larger early increases in ANP were associated with a greater magnitude of subsequent reverse cardiac remodeling. (Effects of Sacubitril/Valsartan Therapy on Biomarkers, Myocardial Remodeling and Outcomes [PROVE-HF]; NCT02887183).

18.
JACC Heart Fail ; 8(12): 999-1008, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33189635

RESUMO

OBJECTIVES: This study sought to better understand the discrepant results of 2 trials of serelaxin on acute heart failure (AHF) and short-term mortality after AHF by analyzing causes of death of patients in the RELAX-AHF-2 (Efficacy, Safety and Tolerability of Serelaxin When Added to Standard Therapy in AHF-2) trial. BACKGROUND: Patients with AHF continue to suffer significant short-term mortality, but limited systematic analyses of causes of death in this patient population are available. METHODS: Adjudicated cause of death of patients in RELAX-AHF-2, a randomized, double-blind, placebo-controlled trial of serelaxin in patients with AHF across the spectrum of ejection fraction (EF), was analyzed. RESULTS: By 180 days of follow-up, 11.5% of patients in RELAX-AHF-2 died, primarily due to heart failure (HF) (38% of all deaths). Unlike RELAX-AHF, there was no apparent effect of treatment with serelaxin on any category of cause of death. Older patients (≥75 years) had higher rates of mortality (14.2% vs. 8.8%) and noncardiovascular (CV) death (27% vs. 19%) compared to younger patients. Patients with preserved EF (≥50%) had lower rates of HF-related mortality (30% vs. 40%) but higher non-CV mortality (36% vs. 20%) compared to patients with reduced EF. CONCLUSIONS: Despite previous data suggesting benefit of serelaxin in AHF, treatment with serelaxin was not found to improve overall mortality or have an effect on any category of cause of death in RELAX-AHF-2. Careful adjudication of events in the serelaxin trials showed that older patients and those with preserved EF had fewer deaths from HF or sudden death and more deaths from other CV causes and from noncardiac causes. (Efficacy, Safety and Tolerability of Serelaxin When Added to Standard Therapy in AHF [RELAX-AHF-2]; NCT01870778).

19.
Diabetes Care ; 2020 Nov 06.
Artigo em Inglês | MEDLINE | ID: mdl-33158949

RESUMO

OBJECTIVE: To analyze the association between concentrations of plasma insulin-like growth factor binding protein 7 (IGFBP7) with renal and cardiac outcomes among participants with type 2 diabetes and high cardiovascular risk. RESEARCH DESIGN AND METHODS: Associations between IGFBP7 levels and clinical outcomes were assessed among participants in the Canagliflozin Cardiovascular Assessment Study (CANVAS) with type 2 diabetes and high cardiovascular risk. RESULTS: Among CANVAS participants, 3,577 and 2,898 had IGFBP7 measured at baseline and 1 year, respectively. Per log-unit higher concentration, baseline IGFBP7 was significantly associated with the composite renal end point of sustained 40% reduction in estimated glomerular filtration rate, need for renal replacement therapy, or renal death (hazard ratio [HR] 3.51; P < 0.001), and the composite renal end point plus cardiovascular death (HR 4.90; P < 0.001). Other outcomes, including development or progression of albuminuria, were also predicted by baseline IGFBP7. Most outcomes were improved by canagliflozin regardless of baseline IGFBP7; however, those with baseline concentrations ≥96.5 ng/mL appeared to benefit more from canagliflozin relative to the first progression of albuminuria compared with those with lower baseline IGFBP7 (HR 0.64 vs. 0.95; P interaction = 0.003). Canagliflozin did not lower IGFBP7 concentrations by 1 year; however, at 1 year, higher IGFBP7 concentrations more strongly predicted the composite renal end point (HR 15.7; P < 0.001). Patients with rising IGFBP7 between baseline and 1 year had the highest number of composite renal events. CONCLUSIONS: Plasma IGFBP7 concentrations predicted renal and cardiac events among participants with type 2 diabetes and high cardiovascular risk. More data are needed regarding circulating IGFBP7 and progression of diabetic kidney disease and its complications.

20.
J Psychosom Res ; 139: 110285, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33160091

RESUMO

OBJECTIVE: Most patients with heart failure (HF) struggle to adhere to health behaviors, and existing health behavior interventions have significant limitations. We developed a 12-week, phone-delivered, combined positive psychology (PP) and motivational interviewing (MI) intervention to promote well-being and adherence to physical activity, diet, and medications. In this three-arm, randomized trial, we assessed the feasibility, acceptability, and preliminary efficacy of the intervention compared to treatment as usual and MI-alone conditions in 45 patients with HF and suboptimal health behavior adherence. METHODS: Participants in the PP-MI or MI-alone conditions completed weekly phone sessions for 12 weeks. Those in PP-MI completed weekly PP exercises and set health behavior goals, while those in the MI-alone condition learned about HF-specific health behaviors and identified potential behavior changes. Primary study outcomes were feasibility (sessions completed) and acceptability (0-10 ratings of PP exercise ease and utility). The intervention's impact on psychological and behavioral outcomes was assessed using mixed effects regression analyses. RESULTS: Participants in the PP-MI condition completed 73% of sessions and rated PP exercises as easy to complete (mean = 7.5 [SD 1.7] out of 10) and subjectively useful (mean = 7.5 [SD 1.6] out of 10). Compared to the control conditions, PP-MI led to medium effect-size improvements in positive affect (Cohen's d = 0.32-0.77), moderate to vigorous physical activity (d = 0.41-0.74), and medication adherence (d = 0.48-0.78). CONCLUSION: This PP-MI intervention was feasible, well-accepted, and associated with promising improvements in well-being and health behavior outcomes. Larger trials are needed to examine this intervention's impact on health behavior adherence and other important outcomes (NCT03220204).

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