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Data from the ARIES-HM3 trial show that excluding aspirin from the antithrombotic regimen in patients with advanced heart failure and a left ventricular assist device reduces the number of bleeding events and does not increase the risk of thromboembolism.
Activation of a specific set of vagal sensory neurons connecting the ventricular wall of the heart to the area postrema in the brainstem causes mice to faint. This finding defines a cardiac reflex that recapitulates characteristics of human syncope.
Two new studies using cryo-electron microscopy describe the structure and conformation of myosin in the cardiac thick filaments and how it interacts with other thick-filament proteins, such as titin and cardiac myosin-binding protein C, in mammalian hearts.
An approach that increases the expression of the chemokine receptor CXCR4 in vascular cells by targeting a microRNA-based repressive pathway attenuates atherosclerosis in mice and promotes atheroprotective functions in human and mouse vascular cells in vitro.
Treatment with the small interfering RNA patisiran preserves functional capacity and improves health status and quality of life in patients with transthyretin cardiac amyloidosis, according to data from the 12-month double-blind period of the ongoing APOLLO-B trial.
In the LIFE-BTK trial, treatment with an everolimus-eluting resorbable scaffold was superior to angioplasty in improving clinical outcomes in patients with chronic limb-threatening ischaemia due to infrapopliteal artery disease.
SARS-CoV-2 infects macrophages, especially lipid-laden foam cells, in coronary atherosclerotic plaques in patients with COVID-19; this infection initiates a strong proatherogenic inflammatory response, which might contribute to the ischaemic cardiovascular complications in these patients.
In a study published in Science, Wang and colleagues show that excited cardiomyocytes couple to fibroblasts via gap-junctional and non-gap-junctional (ephaptic) coupling.
In a study published in Nature, Jia and colleagues use advanced optical electrophysiology tools coupled with 3D-printed moulds to capture the very first heartbeat of zebrafish.
The metabolic maturation of mammalian cardiomyocytes that occurs during the early postnatal period shapes the epigenetic landscape of cardiomyocytes and creates a barrier for cell division, but reversing this remodelling process can restore the reparative capacity of the heart in mice, according to a study published in Nature.
Two studies now report that TET2-driven clonal haematopoiesis of indeterminate potential (CHIP) is associated with poor prognosis in patients with heart failure (HF) and preserved ejection fraction and that DNMT3A CHIP driver mutations promote dysregulated gene expression profiles that are associated with inflammation in monocytes in the setting of HF.
In patients with heart failure (HF) with preserved ejection fraction and obesity, treatment with the glucagon-like peptide 1 receptor agonist semaglutide (2.4 mg) leads to large reductions in HF-related symptoms and physical limitations, improves exercise function and decreases body weight compared with placebo, according to the STEP-HFpEF trial.
An interaction between blood vessels and nerve fibres in the heart contributes to the decline in nerve density in the ageing left ventricle, potentially increasing susceptibility to arrhythmias.
The FIRE trial showed that complete revascularization improves outcomes in older patients with myocardial infarction (MI) and multivessel disease compared with culprit-lesion-only revascularization, whereas the MULTISTARS AMI trial reported that immediate multivessel revascularization is non-inferior to staged revascularization in patients with ST-segment elevation MI.
In the CASTLE HTx trial, patients with symptomatic atrial fibrillation and end-stage heart failure who underwent catheter ablation and received medical therapy had improved outcomes compared with patients who received medical therapy only.
New data from the ECLS-SHOCK trial and a meta-analysis indicate that the routine use of venoarterial extracorporeal membrane oxygenation does not increase survival in patients with myocardial infarction-related cardiogenic shock.
Two clinical trials presented at the ESC Congress 2023 provide conflicting evidence on the use of optical coherence tomography to guide percutaneous coronary intervention.
According to data from the COP-AF trial, anti-inflammatory therapy with colchicine does not reduce the risk of perioperative atrial fibrillation or myocardial injury in patients undergoing major non-cardiac thoracic surgery.
In the REPRIEVE trial, pitavastatin treatment in patients with human immunodeficiency virus (HIV) infection without pre-existing cardiovascular disease prevented cardiovascular events compared with placebo.