Articles tagged with Cardiology
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
The American Heart Association statement proposes next-generation biomarkers for earlier detection of cardiometabolic risk factors in children, which can be influenced by heart-healthy nutrition and lifestyle factors. This could lead to better prevention and intervention strategies for obesity, diabetes, and heart disease.
A new study analyzes data from the US cohort of the FLASH registry and shows that mechanical thrombectomy can significantly improve outcomes for patients with high-risk PE. The procedure is associated with a significant reduction in acute mortality among these patients.
The Canadian Cardiovascular Society has adopted a new classification system for heart attacks based on the extent of tissue damage, which aims to improve patient outcomes by guiding treatment and predicting disease progression. The four-stage classification outlines varying levels of injury following a heart attack.
A secondary analysis of the Women's Ischemia Syndrome Evaluation (WISE) cohort study found that black and non-black women with obstructive coronary artery disease had similar long-term cardiovascular outcomes. The study suggests that guideline-based treatment, including statins and ACE inhibitors, may reduce racial disparities in cardi...
A new study published in eClinicalMedicine suggests that ECG-AI can flag some risks years sooner than current risk calculator equations by identifying signs of coronary artery disease, such as calcification and blockages. The technology has the potential to save more lives by identifying people who do not know they have coronary disease.
A new study found significant racial and socioeconomic inequities in access to mechanical circulatory support for US patients with cardiogenic shock. Black patients were more likely to experience reduced access to life-saving therapies like mLVAD and ECMO, highlighting systemic disparities.
A novel study by a Japanese multicenter registry reveals significant benefits of using intravascular ultrasound (IVUS) in coronary interventions. The analysis showed reduced mortality and need for coronary bypass surgery in patients who underwent IVUS-guided procedures, highlighting its value in improving treatment outcomes.
A study led by UC San Francisco found that homeless individuals have a 7 times higher rate of sudden cardiac death compared to the general population. Non-cardiac causes, such as overdoses and unrecognized infections, are more common among homeless people.
A new study assesses the safety and efficacy of radial access for peripheral artery interventions, finding it associated with favorable safety profiles and comparable procedural success rates. Radial access was also found to reduce bleeding complications and improve patient comfort, making it a potential alternative to traditional femo...
A new study published in the Journal of the American College of Cardiology found that stress and depression are common among women at the time of heart attack and for two months after. However, researchers discovered that women with heart attacks due to blockages had higher stress levels than those with open arteries.
Mutations in the PRDM16 gene alter heart muscle cell metabolism, leading to weakened hearts and increased risk of congenital heart failure in women. Female mice with this genetic defect experience significantly more heart problems than males.
A new study from Linköping University has found that the appearance of the thymus gland in chest CT scans is linked to immune system ageing. The researchers examined over 1,000 Swedish individuals aged 50-64 and found that fatty degeneration of the thymus was more common in men and those with abdominal obesity. Lifestyle factors such a...
Middle-aged Chinese surgery patients experience subjective cognitive impairment within 12 months after surgery, with identified risk factors. Preoperative psychological interventions and optimized perioperative management may help prevent postoperative cognitive impairment.
A recent study found that less than one-third of TAVR patients participate in cardiac rehabilitation within 90 days after discharge. Factors such as age, frailty, and medical complexity contribute to lower enrollment rates. The study highlights the need for improved education and hospital protocols to promote post-procedure care.
Researchers developed an AI tool that can detect valvular heart disease with 93% sensitivity and 98% specificity. The tool analyzes audio data from a short burst of sound vibrations using a contact microphone and neural networks, allowing for quick identification of five different valvular diseases.
Researchers at ETH Zurich found that targeting deep sleep with brief tones increases heart contractions, improving cardiovascular function. This leads to increased blood flow and a more efficient pumping mechanism.
A post hoc analysis of 10,678 participants with atherosclerotic cardiovascular disease found no significant difference in heart attack, stroke, or death risk between enteric-coated and uncoated aspirin. Enteric-coated aspirin may offer reduced bleeding risk, but more research is needed to confirm its benefits.
A study published in Diabetes Care found that obesity, hypertension, and dyslipidemia alter cardiac energy production by interfering with metabolic substrate uptake. The research reveals early changes in apparently healthy middle-aged individuals, highlighting the importance of identifying mechanisms involved in heart disease onset.
A real-world study confirms the reliability and effectiveness of the Pooled Cohort Equation (PCE) in assessing cardiovascular risk, regardless of statin use. The PCE performed well across different demographics and retained accuracy with measurement factors outside its original risk profile range.
Leading professional organizations announce first-time multidisciplinary consensus guidelines for essential and comprehensive care centers in the US. The guidelines aim to address known variation in outcomes at different centers, providing structure, process, and outcome components necessary for quality care.
A new study from Tulane University found that walking more than five flights of stairs daily can cut the risk of heart disease by 20%. The study, published in Atherosclerosis, used UK Biobank data from 450,000 adults and found that stair climbing reduced cardiovascular disease risk in those with multiple risk factors.
A study showed that yoga therapy can improve heart failure patients' endurance, strength, balance, symptom stability, and overall quality of life. Additionally, echocardiographic parameters revealed improved left ventricular systolic function in the yoga group compared to the non-interventional group.
The September issue of the CHEST journal features research on long COVID, including a review on exercise pathophysiology in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Postacute Sequelae of SARS-CoV-2. Original studies also explore asthma treatment with albuterol-budesonide inhalers and sleep therapy using oronasal masks.
Researchers analyzed data from 2005-2020 and found that 10-year conditional survival was similar between biventricular and most single-ventricle CHD patients. Biventricular CHD patients also showed better 10-year survival compared to non-CHD heart transplant recipients.
A study from Amsterdam UMC followed over 250 elite athletes who had contracted COVID-19 and found no severe heart issues impacting their careers. Despite some athletes showing slightly elevated resting heart rates, there were no significant differences in overall heart function or ventricular arrhythmias.
Research published in the Journal of the American Heart Association found that patients who start taking a combination of statins and ezetimibe after a heart attack are 47% less likely to die within three years. The study suggests that changing treatment guidelines could prevent many thousands of deaths each year.
A novel study published in The Lancet finds that redo TAVR with balloon-expandable valves is both safe and effective for select patients who require a repeat procedure. The study, led by Cedars-Sinai, showed no difference in death or stroke rates between redo and first-time TAVR at 30-day and one-year marks.
A recent clinical trial led by Professor Holger Thiele found that ECLS does not reduce 30-day mortality after cardiogenic shock, but is associated with more complications. The study involved 420 patients and compared ECLS therapy with standard intensive care unit treatment.
Researchers found that optimized statin therapy can significantly reduce mortality and cardiovascular events in US military veterans with coronary artery disease. Widespread use of ezetimibe alongside statins may lead to additional reductions in cardiovascular risk.
A study by the British Heart Foundation found that in England and Scotland, the average distance to a 24/7 accessible defibrillator is over 1.8km in deprived areas, highlighting alarming health inequalities. Researchers are urging urgent action to improve access to these lifesaving devices.
The Cardiovascular Research Foundation has announced the TCT 2023 late-breaking clinical trials, featuring 12 studies on minimally invasive techniques, pharmaceuticals, technologies, and devices. These trials aim to improve patient outcomes in cardiovascular disease, with a focus on safety and effectiveness.
The COVID-19 pandemic worsened treatment outcomes for patients admitted with acute myocardial infarction (AMI), but did not significantly amplify existing racial and ethnic disparities in care. Additional efforts are needed to mitigate these inequities, particularly during periods of high hospital COVID-19 burden.
The Texas Heart Institute has received a five-year, $2 million grant from the National Institutes of Health to advance organ bioengineering. The project aims to develop transplantable bioartificial hearts to combat end-stage heart failure.
Patients with valvular heart disease, congenital abnormalities, or pacemakers should prioritize prevention measures like twice-daily tooth cleaning and strict skin hygiene. The Guidelines emphasize the importance of patient education, antibiotic prophylaxis, and early diagnosis to combat infective endocarditis.
A new study found that younger atrial fibrillation (AFib) patients who underwent MRI-guided ablation treatments had better outcomes. The treatment significantly improved arrhythmia recurrence rates by 50% for patients under 58 years old.
The European Society of Cardiology calls for competency-based cardiac imaging delivery to enhance effective and efficient patient care. This approach enables cardiologists to deliver high-quality imaging services, select the most appropriate modality for each clinical scenario, and provide informed decision-making.
Fish oil supplements often make health claims without sufficient trial data, leading to potential variability in safety and efficacy due to differing doses of eicosapentaenoic acid and docosahexaenoic acid. The study highlights the need for more rigorous regulation of these products.
A new study found that catheter ablation significantly lowers the incidence of cardiovascular events and death in very old patients with nonvalvular atrial fibrillation. The researchers compared 208 patients who underwent AF ablation with those who received medical therapy only, finding a lower risk of both cardiovascular events and de...
Researchers at Brigham and Women's Hospital have developed an AI model that screens electrocardiograms (ECG) for signs of atrial septal defects (ASD), a common adult congenital heart disease. The model correctly detected ASD in 93.7% of cases, outperforming traditional methods.
A recent study at UC Irvine found that semaglutide medication can lead to significant weight loss and reduce cardiovascular risk in 93 million U.S. adults. The medication may prevent up to 1.5 million heart attacks and strokes over 10 years, resulting in 43 million fewer obese people.
The study found that walking at least 3967 steps a day reduces the risk of dying from any cause, while 2337 steps a day reduces the risk of dying from cardiovascular disease. The researchers also found that every 500-1000 extra steps increase health benefits and reduce mortality risk by up to 15%.
A new American Heart Association science advisory emphasizes the need for more resources and best practices in pediatric preventive cardiovascular care. The survey found that many programs are overwhelmed with referrals and have long wait times, highlighting the importance of updated guidelines and strategic action plans.
A new study reveals a high incidence of youth with cardiovascular risk factors but inadequate resources to provide preventive care. Pediatricians and policymakers must address these gaps by investing in pediatric preventive cardiology and increasing collaboration between programs.
Researchers found that African ancestry patients with dilated cardiomyopathy have fewer clinically actionable variants in DCM genes compared to European ancestry patients. The study enrolled 1,198 patients with dilated cardiomyopathy, revealing a racial imbalance in genetic trials for heart failure.
A study found that breast cancer patients with higher body mass index (BMI) are more likely to experience heart damage, or cardiotoxicity, during chemotherapy. The study suggests that addressing obesity and considering the potential risk of cardiotoxicity requires a comprehensive approach.
The conference will focus on optimizing patient care in the Latin America region, discussing strategies to improve heart health and address rising cardiovascular disease rates. Key topics include cardiac rehabilitation, heart failure management, and practical approaches for clinicians.
A Northwestern University study found that only 60% of women with heart disease risk factors received counseling on optimizing their heart health during their six-week postpartum visit. The study highlights the need for improved access to care and increased awareness of maternal cardiovascular health monitoring.
A study published in Science reveals that ganglia in the neck region are responsible for disrupting melatonin production and causing sleep disturbances in people with heart conditions. Researchers found that macrophages accumulate in the ganglion, leading to inflammation and scarring, which can be treated with drugs.
The American Heart Association and the American College of Cardiology recommend a heart-healthy diet and lifestyle to prevent worsening health in people with chronic coronary disease. Clinicians should coordinate care between cardiovascular and primary care professionals, emphasizing team-based approach and social determinants of health.
Massachusetts General Hospital researchers discovered that concentrating moderate-to-vigorous physical activity into one to two days per week, or the
A new study reveals that Black patients with ICDs have a significantly higher rate of post-implant cardiac events and risk of death compared to white patients. The study also shows that Black patients are more likely to discontinue medications after one year, but the reasons for this are unknown.
Researchers at NIST and their colleagues used machine learning to identify abnormal cardiac rhythms in firefighters, achieving 97% accuracy. The Heart Health Monitoring model could lead to a portable heart monitor to detect early warning signs of heart trouble and prevent fatal cardiac events.
A study published in the Journal of the American College of Cardiology found that alerting volunteers can increase bystander CPR and AED use, leading to improved survival rates. The volunteer system increased rates of CPR and defibrillation in out-of-hospital cardiac arrests, giving victims a higher chance of receiving early care.
Researchers developed an AI model that accurately classifies six types of valvular heart disease using chest radiographs, with high accuracy rates. The model's potential applications include supplementing echocardiography in areas where specialists are scarce and improving emergency care.
A new study reveals that biscuspid aortic valve is caused by mutations in the MINDBOMB1 gene, with significant implications for developing alternative treatments to surgery. The research combines genome sequencing and gene editing techniques to analyze the mechanisms of this congenital defect.
The SAFE-MCS study evaluates the safety of complex high-risk PCI using the Impella Heart Pump in conjunction with the Saranas Early Bird Bleed Monitoring System. The primary clinical endpoint is the incidence of access site-related Bleeding Academic Research Consortium (BARC) type III or V bleeding.
A large Swedish study found that higher cardiorespiratory fitness may lower the incidence and mortality rates of certain cancers in men. The researchers suggest prioritizing CRF interventions for individuals with low fitness levels.
The inaugural issue of CHEST Critical Care focuses on clinically relevant research and patient management guidance for critical care medicine. The journal accepts submissions of original research, case series, and research letters, covering topics such as intensive care medicine and diverse populations.
A new study published in JAMA found that bempedoic acid can reduce major adverse cardiovascular events in high-risk primary prevention patients who cannot tolerate recommended doses of statins. The treatment has the potential to improve outcomes for these patients, providing a new option for primary prevention.
A new analysis of the CLEAR Outcomes Trial found that bempedoic acid lowered LDL cholesterol levels by 21% and reduced cardiovascular events by 13%. This suggests that different classes of cholesterol drugs have similar benefits for cardiovascular health.