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INTRODUCTION The management of heart failure (HF) has changed significantly in recent decades. OBJECTIVES We analyzed the clinical profile, 1‑year outcomes, predictors of mortality, and hospital readmissions in hospitalized patients enrolled in the European Society of Cardiology Heart Failure Pilot Survey (ESC‑HF Pilot) and Heart Failure Long‑Term Registry (ESC‑HF‑LT). PATIENTS AND METHODS The analysis included hospitalized Polish patients from both registries. The primary endpoint was all‑cause death at 1 year, while the secondary endpoint was all‑cause death or hospitalization for worsening HF at 1 year. RESULTS The study included a total of 1415 hospitalized patients (650 from ESC‑HF Pilot; 765 from ESC‑HF‑LT). The primary endpoint occurred in 89 of the 650 patients (13.7%) and in 120 of the 711 patients (16.9%) from ESC‑HF Pilot and ESC‑HF‑LT, respectively (P = 0.11). The secondary endpoint was more frequent in ESC‑HF Pilot than in ESC‑HF‑LT (201 of 509 [39.5%] vs 222 of 663 [33.5%]; P = 0.04). Compared with ESC‑HF Pilot, patients from the ESC‑HF‑LT registry were older and more often had hypertension, atrial fibrillation, peripheral artery disease, and chronic kidney disease, while the incidence of chronic obstructive pulmonary disease was lower. The percentage of patients receiving drugs for HF (diuretics, angiotensin‑converting enzyme inhibitors, angiotensin receptor blockers, β‑blockers, mineralocorticoid receptor antagonists), anticoagulants, cardiac resynchronization therapy, and implantable cardioverter‑defibrillator were higher in the ESC‑HF‑LT group in comparison with the ESC‑HF Pilot group. CONCLUSIONS Patients from the ESC‑HF‑LT registry had a lower risk of death or hospitalization for worsening HF despite the fact that they were older and had more comorbidities. The results might suggest an improvement in physicians' adherence to the guidelines on the management of HF in the ESC‑HF‑LT registry.

Background: Metformin is one of the antihyperglycaemic drugs, reducing the risk of major cardiovascular events, including fatal ones. Although it is formally contraindicated in moderate and severe functional stages of heart failure (HF), it is commonly used in patients with concomitant type 2 diabetes mellitus (T2DM)., Aim: We sought to evaluate the effect of metformin and T2DM on total mortality and hospitalisation rates in patients with HF., Methods: This retrospective analysis included 1030 adult patients (> 18 years) with HF from the Polish section of the HF Long-Term Registry (enrolled between 2011 and 2014). Patients with T2DM (n = 350) were identified and divided into two groups: those receiving metformin and those not. Both groups were subjected to one-year follow-up., Results: Mean patient age was 65.3 ± 13.5 years, with the predominance of male sex (n = 726) and obesity (mean body mass index 30.3 ± 5.5 kg/m2) and mean left ventricular ejection fraction was 34.3% ± 14.1%. Among patients with T2DM (n = 350) only 135 (38.6%) were treated with metformin. During one-year follow-up, 128 patients with HF died, of whom 53 had T2DM (15.1% vs. 10.9%, hazard ratio [HR] 0.89, 95% confidence interval [CI] 0.87-0.91, p = 0.045). Metformin was associated with a lower mortality rate compared to other antihyperglycaemic agents (9.6% vs. 18.6%, HR 0.85; 95% CI 0.81-0.89, p = 0.023). There were no significant differences in the hospitalisation rate, including that due to HF decompensation, among patients treated with metformin and the remainder (53.5% vs. 40.0%, respectively HR 0.93, 95% CI 0.82-1.04, p = 0.433)., Conclusions: Metformin treatment in patients with different degrees of HF and T2DM is associated with a reduction in mortality and does not affect the hospitalisation rate.

Compared with heart failure (HF) with reduced ejection fraction (HF-REF), the diagnosis of HF with preserved EF (HF-PEF) is more challenging. The aim of the study was to assess the prevalence of HF-PEF among patients hospitalized for HF, to evaluate the pertinence of HF-PEF diagnosis and to compare HF-PEF and HF-REF patients with respect to outcomes. The analysis included 661 Polish patients hospitalized for HF, selected from the European Society of Cardiology (ESC)-HF Long-Term Registry. Patients with an EF of ≥50% were included in the HF-PEF group and patients with an EF of <50% - in the HF-REF group. The primary end point was all-cause death at 1 year. The secondary end point was a composite of all-cause death and rehospitalization for HF at 1 year. HF-PEF was present in 187 patients (28%). Of those 187 patients, mitral inflow pattern was echocardiographically assessed in 116 patients (62%) and classified as restrictive/pseudonormal in 37 patients (20%). Compared with HF-REF subjects, patients with HF-PEF were older, more often female, and had a higher prevalence of hypertension, atrial fibrillation and sleep apnea. Despite lower B-type natriuretic peptide concentrations and lower prevalence of moderate-to-severe mitral regurgitation in patients with HF-PEF, congestive symptoms at admission were as severe as in patients with HF-REF. There were no significant differences in in-hospital mortality between the HF groups. One-year mortality was high in both groups (17% in HF-PEF vs 21% in HF-REF, p = 0.22). There was a trend toward a lower frequency of the secondary end point in the HF-PEF group (32% vs 40%, p = 0.07). In conclusion, in clinical practice, even easily obtainable echocardiographic indexes of diastolic dysfunction are relatively rarely acquired. One-year survival rate of patients with HF-PEF is not significantly better than that of patients with HF-REF., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Introduction: Previous studies have shown that hyponatremia is associated with unfavorable prognosis in patients with heart failure (HF). However, only few studies aimed at the evaluation of long-term outcome in hyponatremic patients hospitalized for HF., Objectives: The aim of this study was to assess clinical characteristics and 1-year outcome of patients hospitalized for HF with hyponatremia at hospital admission., Patients and Methods: The study included 641 Polish participants of the HF Pilot Survey of the European Society of Cardiology. The primary endpoint was all-cause death at 1 year since index hospitalization. The secondary endpoint was all-cause death or rehospitalization for decompensated HF during a 1-year follow-up., Results: Hyponatremia occurred in 15.8% of 641 patients. On admission, hyponatremic patients were characterized by a higher New York Heart Association class, lower blood pressure, lower body mass index, and higher creatinine and lower hemoglobin concentrations on admission. Compared with normonatremic individuals, hyponatremic patients were at a higher risk of in-hospital death (1.9% vs 9.9%, P <0.0001), death at 1 year (10.4% vs 31.7%; P <0.0001), and death or rehospitalization at 1 year (35.9% vs 56.5%; P <0.0001). In multivariate analyses, hyponatremia was predictive of both the primary (hazard ratio [HR], 3.07; 95% confidence interval [CI], 1.94-4.87; P <0.0001) and secondary endpoints (HR, 1.71; 95% CI, 1.16-2.52; P = 0.007). Hyponatremia was an independent predictor of the primary endpoint also in a subgroup of 621 patients who survived to hospital discharge (HR , 2.11; 95% CI, 1.15-3.86; P = 0.02)., Conclusions: Hyponatremia is a common finding in patients hospitalized for HF. Even in patients who survive to hospital discharge, hyponatremia on admission remains an independent predictor of death in long-term follow-up.