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Treatment with β-blockers is the main strategy for managing patients with heart failure and reduced ejection fraction because of their ability to reverse the neurohumoral effects of the sympathetic nervous system, with consequent prognostic and symptomatic benefits. However, to date, they are underused, mainly because of the misconception that hypotension and bradycardia may worsen the haemodynamic status of patients with HFrEF and because of the presence of comorbidities falsely believed to be absolute contraindications to their use. To promote proper use of β-blockers in this article, we review the clinical pharmacology of β-blockers, the evidence of the beneficial effects of these drugs in heart failure with reduced ejection fraction, and the current guidelines for their use in clinical practice and in the presence of comorbidities (e.g., pulmonary disease, diabetes, atrial fibrillation, peripheral arterial disease, etc.). It is hoped that the practical approach discussed in this review will allow for a proper diffusion of knowledge about the correct use of β-blockers and the drug-disease interactions to achieve their increased use and titration, as well as for the selection of a specific agent with a view to a properly tailored approach for HFrEF patients.

Advanced heart failure is a clinical challenge that requires a pathophysiological-based approach. As the field has been the subject of multiple reviews, the objective of this paper is not to duplicate these publications but rather to offer practical tips for the clinical cardiologist to enable the optimal management of patients with advanced heart failure. Advanced heart failure is defined as a clinical syndrome characterized by severe and persistent symptoms, most commonly with severe ventricular dysfunction, despite optimized medical therapy. This review covers the management of the advanced heart failure patient from pharmacologic therapy with disease-modifying drugs, to the use of electrical therapy devices, percutaneous valve repair and finally to the role of left ventricular assist devices and heart transplantation. The review also explores future directions in the management of advanced heart failure, including translational perspectives for the treatment of this syndrome.

We discuss a case of a patient who was referred to our department for an in-depth evaluation of aortic regurgitation severity and its underlying causes. By employing a multimodal imaging strategy that combined transthoracic echocardiography (TTE), transesophageal echocardiography (TEE), and cardiac magnetic resonance imaging (cMRI), we successfully identified a particularly rare cause of aortic regurgitation: chordae tendineae that lead to asymmetric retraction of the aortic cusps. Furthermore, this approach provided a clearer understanding of the aortic root anatomy and the hemodynamic effects of the regurgitant flow on the ventricle. This case demonstrates the diagnostic effectiveness of various imaging techniques and emphasizes the crucial importance of multimodal imaging for a thorough assessment of aortic valvular issues.

We report a case of a patient admitted to our coronary intensive care unit with chest pain and elevated cardiac troponin. Coronary angiography showed no obstructive coronary artery disease. The patient had a history of chronic rhinosinusitis and nasal polyps, treated with dupilumab. Laboratory tests revealed marked hypereosinophilia, prompting a cardiac MRI, which showed findings consistent with eosinophilic myocarditis. This diagnosis was later confirmed by endomyocardial biopsy. This case highlights the importance of differential diagnosis in cases of myocardial injury (characterized by increased cardiac troponin) and underscores the value of CMR as the most accurate non-invasive technique for detecting myocarditis.

Background: Sacubitril/valsartan (S/V) is a cornerstone treatment for heart failure (HF). Beneficial effects on hospitalization rates, mortality, and left ventricular remodeling have been observed in patients with heart failure and reduced ejection fraction (HFrEF). Despite the positive results, the influence of S/V on renal function during long-term follow-up has received little attention. Aims: We investigated the long-term effects of S/V therapy on renal function in a large cohort of patients with HFrEF. Additionally, we examined the effects of the drug in patients with chronic kidney disease (CKD) compared to those with preserved renal function and identified primary risk characteristics Methods: We studied 776 outpatients with HFrEF and left ventricular ejection fraction (LVEF) <40% from an observational registry of the Italian Society of Cardiology, all receiving optimized standard-of-care therapy with S/V. The patients were included in a multicentric open-label registry from 11 Italian academic hospitals. Kidney function was evaluated at baseline, after 6 months of S/V, and at 4 years. Patients were followed-up through periodic clinical visits. Results: During a 48-month follow-up period, 591 patients remained stable and 185 patients (24%) experienced adverse events (85 deaths and 126 hospitalizations). S/V therapy marginally affects renal function during the follow-up period (estimated glomerular filtration rate (eGFR) at baseline 72.01 vs eGFR at follow-up 70.38 ml/min/m2, p = 0.01; and creatinine was 1.06 at baseline vs 1.10 at follow-up, p < 0.04). Among patients who maintained preserved renal function, 35% were in Dose 3 and 10% dropped out of S/V therapy (p < 0.006). Univariate analysis showed that Drop-out of S/V (HR 2.73 [2.01, 3.71], p < 0.001), history of previous HF hospitalization (HR 1.75 [1.30, 2.36], p < 0.001), advanced NYHA class (HR 2.14 [1.60, 2.86], p < 0.001), NT-proBNP values >1000 pg/ml (HR 1.95[1.38, 2.77], p < 0.001), furosemide dose >50 mg (HR 2.04 [1.48, 2.82], p < 0.001), and creatinine values >1.5 mg/dl occurred during follow-up (HR 1.74 [1.24, 2.43], p < 0.001) were linked to increased risk. At multivariable analysis, increased doses of loop diuretics, advanced NYHA class, creatinine >1.5 mg/dl, and atrial fibrillation were independent predictors of adverse events. Conclusion: Long-term S/V therapy is associated with improved outcomes and renal protection in patients with HFrEF. This effect is more pronounced in patients who tolerate escalating doses. The positive effects of the drug are maintained in both CKD and preserved renal function. Future research may study the safety and underlying causes of current protection. Plain language summary Effects of sacubitril/valsartan on renal function and outcome in patients with heart failure and reduced ejection fraction: an Italian cohort study Despite the beneficial results, the influence of S/V on renal function during long-term follow-up has received little attention. We investigated the long-term effects of S/V therapy on renal function in a large cohort of patients affected by HFrEF.

Background Sodium-Glucose Cotransporter-2 inhibitors (SGLT2i) represent a deep revolution of the therapeutic approach to heart failure (HF), preventing its insurgence but also improving the management of the disease and slowing its natural progression. To date, few studies have explored the effectiveness of SGLT2i and, in particular, Dapagliflozin in a real-world population. Therefore, in this observational prospective study, we evaluated Dapagliflozin's effectiveness in a real-world HF population categorized in the different hemodynamic profiles. Methods From January 2022 to June 2023, we enrolled 240 patients with chronic HF and reduced ejection fraction (HFrEF) on optimal medical therapy, according to 2021 ESC guidelines, that added treatment with Dapagliflozin from the HF Clinics of 6 Italian University Hospitals. Clinical, biochemical, and echocardiographic parameters were collected before and after 6 months of Dapagliflozin introduction. Moreover, the HFrEF population was classified according to hemodynamic profiles (A: SV ≥ 35 ml/m 2 ; E/e′ < 15; B: SV ≥ 35 ml/m 2 ; E/e′ ≥ 15; C: SV < 35 ml/m 2 ; E/e′ < 15; D: SV < 35 ml/m 2 ; E/e′ ≥ 15). Then, we compared the Dapagliflozin population with two retrospective HF cohorts, hereinafter referred to as Guide Line 2012 (GL 2012) group and Guide Line 2016 (GL 2016) group, in accordance with the HF ESC guidelines in force at the time of patients enrolment. Precisely, we evaluated the changes to baseline in clinical, functional, biochemical, and echocardiographic parameters and compared them to the GL 2012 and GL 2016 groups. Results Dapagliflozin population (67.18 ± 11.11 years) showed a significant improvement in the echocardiographic and functional parameters (left ventricular ejection fraction [LVEF], LV end-diastolic volume [LVEDV], LVEDV index, stroke volume index [SVi], left atrium volume index [LAVi], filling pressure [E/e′ ratio], tricuspid annular plane systolic excursion [TAPSE], tricuspid annular S′ velocity [RVs’], fractional area change [FAC], inferior vena cava [IVC diameter], pulmonary artery systolic pressure [sPAP], NYHA class, and quality of life) compared to baseline. In particular, TAPSE and right ventricle diameter (RVD1) ameliorate in congestive profiles (B and D); accordingly, the furosemide dose significantly decreased in these profiles. Comparing the three populations, the analysis of echocardiographic parameters (baseline vs follow-up) highlighted a significant decrease of sPAP in the Dapagliflozin population ( p  < 0.05), while no changes were recorded in the GL 2012 and GL 2016 population. Moreover, at the baseline evaluation, the GL 2012 and 2016 groups needed a higher significant dose of furosemide compared to Dapagliflozin group. Finally, Dapagliflozin patients had significantly fewer rehospitalizations (1.25%) compared with the other two groups (GL 2012 18.89%, p 0.0097; GL 2016 15.32%, p 0.0497). Conclusions We demonstrate that Dapagliflozin is rapidly effective in an HFrEF real-world population; furthermore, the more significant effect is recorded in HFrEF patients with a congestive profile (B and D), supporting the introduction of Dapagliflozin in patients with a congestive profile and a worse prognosis. In conclusion, our data suggest evaluating the patient's hemodynamic state beyond LVEF in HFrEF.

Background: Transthyretin cardiac amyloidosis (ATTR-CM) is an infiltrative cardiomyopathy that frequently progresses to symptomatic heart failure (HF), often with mildly reduced or reduced ejection fraction (EF). Standard therapies are limited in NYHA III–IV, and Tafamidis is approved only for the early stages. Cardiac contractility modulation (CCM) therapy has shown promise in HF with reduced EF, but its role in ATTR-CM remains unexplored. Methods: This multicentric, prospective pilot study evaluated the safety and efficacy of CCM therapy in ten patients (n = 10) with ATTR-CM, EF between 25 and 45%, and NYHA class III–IV symptoms refractory to optimal medical therapy. All patients underwent implantation of the Optimizer CCM system and were followed for at least 12 months. The primary endpoint was the incidence of worsening heart failure (WHF); secondary endpoints included changes in EF, NYHA class, 6-minute walk test (6MWT), and quality of life metrics. Results: In this cohort (n = 10), CCM therapy significantly reduced WHF episodes (from 0.18 ± 0.09 to 0.025 ± 0.08 hospitalizations/patient-year, p < 0.001) and improved NYHA class and 6MWT (p < 0.001). EF increased by an average of 4.8 ± 6.1%, and 6MWT improved by 31.3 ± 53.3%. Importantly, all patients became eligible for Tafamidis after CCM therapy due to improved functional status. Conclusion: This pilot study suggests that CCM therapy is a feasible and potentially effective option for ATTR-CM patients with advanced HF who are not candidates for existing disease-modifying treatments. These findings support the rationale for larger studies, including the ongoing AMY-CCM registry (NCT05167799), to validate CCM’s therapeutic role in this population.

Introduction: we discuss the clinical case of a patient referred to our cardiology unit to evaluate the need for a pericardiectomy due to constrictive pericarditis. Imaging: the echocardiographic assessment confirmed all diagnostic criteria for constrictive pericarditis; however, we conducted a cardiac MRI before referring the patient to the cardiac surgeon. This imaging technique not only confirmed the constrictive pathophysiology but also indicated extensive pericardial inflammation, consistent with transient constriction. Clinical implications: this finding enabled us to initiate appropriate anti-inflammatory treatment, resulting in gradual clinical and instrumental improvements. Through this case, we aim to highlight the necessity of assessing the chronicity of the condition in all patients with constrictive pericarditis to determine the suitable treatment: surgical intervention for chronic cases and medical therapy for transient ones.

Despite ongoing advancements in the field of heart failure, heart transplantation remains the definitive treatment for patients with advanced heart failure. Decades of research, surgical innovation, and progress in transplant immunology have enabled the overcoming of persistent challenges associated with this complex procedure. Since the initial preclinical experiments involving heart transplants in canines and primates, the process has been profoundly transformed through the development of the bioptome for endomyocardial biopsies and the introduction of immunosuppressive therapies. More recently, improvements in the preservation and transportation of donor hearts, as well as the utilization of cell-free DNA for evaluating graft rejection, are laying the groundwork for further advancements in non-invasive rejection diagnosis and the expansion of the donor pool.

Heart failure with reduced ejection fraction is a chronic and progressive syndrome that continues to be a substantial financial burden for health systems in Western countries. Despite remarkable advances in pharmacologic and device-based therapy over the last few years, patients with heart failure with reduced ejection fraction have a high residual risk of adverse outcomes, even when treated with optimal guideline-directed medical therapy and in a clinically stable state. Worsening heart failure episodes represent a critical event in the heart failure trajectory, carrying high residual risk at discharge and dismal short- or long-term prognosis. Recently, vericiguat, a soluble guanylate cyclase stimulator, has been proposed as a novel drug whose use is already associated with a reduction in heart failure-related hospitalizations in patients in guideline-directed medical therapy. In this review, we summarized the pathophysiology of the nitric oxide-soluble guanylate cyclase-cyclic guanosine monophosphate cascade in patients with heart failure with reduced ejection fraction, the pharmacology of vericiguat as well as the evidence regarding their use in patients with HFrEF. Finally, tips and tricks for its use in standard clinical practice are provided.