70 papers
Cardiovascular medicine focuses on the heart and blood vessels, exploring how to prevent, diagnose, and treat conditions that affect our circulation. This vital field ranges from understanding high blood pressure and heart failure to investigating the latest breakthroughs in surgical techniques and lifestyle interventions. Because these discoveries directly impact public health, staying informed about emerging research is more important than ever for both specialists and curious readers.
At Gist.Science, we process every new preprint in this category as it appears on medRxiv, ensuring you have immediate access to the latest findings before they undergo formal peer review. For each study, we provide both a plain-language explanation to clarify the core concepts and a detailed technical summary for those seeking deeper scientific context. Below are the latest papers in cardiovascular medicine, organized to help you navigate the most recent developments shaping the future of heart health.
This multicohort study reveals that a common, ancestry-specific CD36 nonsense variant contributes more significantly to the burden of dilated cardiomyopathy in individuals of African ancestry than established genetic causes, including TTN truncating variants, thereby reshaping the understanding of the disease's genetic architecture in this population.
This study utilizes wavelet decomposition to analyze UK Biobank ECGs, revealing that high-frequency signals typically filtered as noise contain significant heritable genetic information linked to cardiac conduction, myocardial integrity, and heart failure risk, thereby expanding the known genetic architecture of cardiovascular disease.
This meta-analysis of three randomized controlled trials involving 1,156 patients indicates that routine percutaneous coronary intervention (PCI) prior to transcatheter aortic valve replacement (TAVR) does not reduce mortality but significantly lowers the need for revascularization while nearly doubling the risk of bleeding, thereby supporting a selective rather than routine approach to revascularization.
This cross-sectional echocardiographic study of 4,536 school children in Dhanusha, Nepal, reveals the country's highest documented rheumatic heart disease prevalence (18.7 per 1,000), with two-thirds of cases being subclinical and female sex identified as the sole independent predictor, highlighting the critical need for school-targeted screening programs.
This study demonstrates that higher preoperative circulating calcitonin levels are independently associated with a reduced risk and delayed onset of postoperative atrial fibrillation in cardiac surgery patients, suggesting its potential utility as a biomarker for perioperative risk stratification.
This study reveals that mitral valve prolapse (MVP) is prevalent in 14% of arrhythmogenic right ventricular cardiomyopathy (ARVC) patients, is strongly associated with *PKP2* mutations, and presents with distinct features such as increased left ventricular mass and wall motion abnormalities rather than the typical arrhythmic MVP characteristics like annular disjunction.
While a prospective study at Cascais Hospital demonstrated that the Cardio-HART (CHART) tool provides clinically credible agreement with echocardiography for left ventricular ejection fraction estimation and heart failure classification, its most significant contribution was revealing a critical, previously overlooked gap between the nominal availability of echocardiography and the timely delivery of structural cardiac assessment in routine care.
This study demonstrates that pressure phase plane analysis effectively visualizes pulmonary artery wave reflection in surgically repaired tetralogy of Fallot patients, revealing that those who underwent the Rastelli procedure exhibit significantly higher wave reflection and right ventricular afterload compared to other surgical repair types.
This two-sample Mendelian randomization study suggests that while eicosapentaenoic acid (EPA) remodels triglyceride-rich lipoproteins by shifting particle sizes, it does not demonstrate a protective causal effect against ischemic heart disease in the general European population and may even be associated with a slight increase in risk.
This paper outlines the pre-specified statistical analysis plan for the CMR GUIDE trial, which aims to evaluate whether implantable cardioverter defibrillators guided by ventricular scar detection reduce sudden cardiac death or significant ventricular arrhythmias in patients with mild-to-moderate left ventricular systolic dysfunction using a Fine and Gray competing risks model.