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.
Researchers discovered that eliminating a specific protein called FoxO1 protects the heart from stress caused by diabetes. This finding could lead to new treatments for patients with diabetes.
The ESC emphasizes the importance of continued funding and support from industry for CME to maintain transparency and minimize bias. The organization suggests a shift towards small group practical sessions based on clinical cases, maximizing the effectiveness of CME.
A benchmarking study found substantial progress in implementing previous guidelines, but many countries struggled with task. The new European Guidelines on CVD Prevention will be shorter and more accessible to engage health professionals.
A combination of guideline-recommended therapies for heart failure treatment significantly improved two-year survival rates. Adding each therapy incrementally increased the overall survival rate, with a maximum 83% reduction in mortality at four-to-five-therapy plateau.
Researchers found that Cardiac MRI identified a new or alternate explanation for arrhythmias in 50% of patients, often revealing inflammation of the heart muscle or small heart attacks that went undetected. CMR outperformed standard cardiac imaging tests in diagnosing cardiac causes, leading to improved patient outcomes.
Patients with low levels of anti-PC in connection with acute coronary syndromes are at a greater risk of complications and premature death. Inhibiting inflammation and cell death may have a protective effect on cardiovascular disease.
Leading medical groups collaborate to ensure consistent and responsible use of transcatheter aortic valve replacement (TAVR) for patients with severe aortic stenosis. The consensus document outlines key recommendations for patient selection, team-based approach, and post-procedural care to optimize clinical outcomes.
A study published in the Journal of the American College of Cardiology has shown significant improvements in peak post-ischemic blood flow in the arm and leg, suggesting a potential novel approach to heart failure treatment. However, further exploration is needed due to conflicting data on exercise capacity and inflammatory markers.
The updated appropriate use criteria provide detailed guidance on when to use invasive procedures to improve blood flow to the heart. The new criteria affirm the role of revascularization for patients with acute coronary syndromes and significant symptoms, while emphasizing careful selection of high-risk surgery patients for PCI.
The Gulf states are experiencing a rise in heart disease prevalence due to rapid urbanization and cultural factors, including high rates of obesity and diabetes. Waterpipe smoking is also becoming increasingly popular, particularly among adolescents and women, with its harmful effects similar to those of cigarettes.
Researchers analyzed data from 8972 patients with heart blockages to understand variations in cardiac procedures, including bypass surgery and stent placement. They found significant differences in procedure rates based on patient factors, physician recommendations, and hospital characteristics.
Nationwide study reveals that fewer than 10% of heart attack patients transferred from initial hospital to one offering angioplasty are done within the recommended 30-minute timeframe. This delay increases the risk of death, particularly for STEMI patients who require immediate artery-opening procedure.
A study published in Clinical Research in Cardiology found that snow shoveling was associated with a significant proportion of heart problems among patients, particularly males with a family history of coronary artery disease. The study identified three key risk factors: gender, family history, and smoking.
Researchers at UTHealth successfully performed carotid artery stenting on 10 high-risk patients without complications or deaths. The procedure showed promising results, particularly in patients with symptoms of stroke related to their carotid artery disease.
Researchers report using simultaneous techniques to reduce radiation exposure during cardiac testing, with results showing a 75-85% decrease in patient risk. The new high-definition CT scan method offers improved safety for patients concerned about radiation exposure.
A new study published in the Canadian Journal of Cardiology suggests that delaying coronary stenting after a heart attack may improve patient outcomes. The research found that waiting several days to allow the artery to heal before inserting a stent may be more effective than immediate stenting.
A new study suggests that MRI scans can precisely measure cholesterol within artery-clogging plaque, allowing for better assessment of cholesterol medication effectiveness. After three years, patients showed significant reductions in cholesterol levels and plaque volume.
The Cleveland Clinic has received a significant grant to establish a new chair in Preventive Cardiology. Dr. Stanley Hazen will be the first holder of the Leonard Krieger Chair, focusing on developing an inhibitor for treating atherosclerosis through research on gut flora pathways.
The ESC Congress 2011 in Paris saw a record-breaking attendance of 32,946 participants, with a focus on the quality of scientific content and new clinical guidelines. The congress highlighted significant findings on apixaban, dual antiplatelet therapy, and the importance of registries for cardiovascular disease prevention.
The European Society of Cardiology promotes primary PCI as the best reperfusion therapy for acute ST-elevation myocardial infarction. Early diagnosis and triage can significantly reduce mortality rates.
A French registry study found that antianginal medications had no significant association with improved or worsened long-term survival in patients who suffered a heart attack. Molsidomine was associated with an increased risk of death, while nitrates showed a trend towards increased mortality.
The ESC pilot registry in heart failure reflects improvement in chronic disease management, with high rates of guideline-recommended treatments. However, outcomes for acute heart failure remain poor, with high mortality and morbidity rates.
A new algorithm using hs-cTnT levels at presentation and one hour after admission accurately differentiates acute myocardial infarction from non-coronary cardiac diseases. This approach reduces avoidable early coronary angiographies and shortens time of uncertainty for patients.
A new study conducted by Duke University Medical Center researchers found that inserting intra-aortic balloon pumps prior to angioplasty in patients with acute myocardial infarction does not reduce the scope of heart muscle damage, also known as infarct size. The study's findings were published online and presented at the European Soci...
Patients receiving optimal medical therapy after a heart attack experience an 18% reduced risk of mortality compared to those not on the full treatment regimen. A broader use of coronary angiography and revascularization could further improve outcomes.
Results from a study presented at ESC Congress 2011 show that TAVI implantation in low-risk patients achieved 100% procedural success and zero deaths within one month, matching conventional surgery outcomes. The study analyzed data from 177 patients with low logistic Euroscore (<20%) who underwent Edwards prosthesis implantation.
A new sub-analysis of the EMPHASIS-HF study showed significant reductions in death and hospitalization for five pre-defined high-risk patient sub-groups with chronic heart failure treated with eplerenone in addition to standard therapy. The benefits were observed across various subgroups, including those with diabetes, kidney impairmen...
Researchers found that cycling at high intensity for short periods significantly reduces all-cause mortality. Men who cycled fast survived 5.3 years longer, while women did so by 3.9 years. The study suggests increasing daily vigorous physical activity may help combat cardiovascular disease.
A Swedish study found that elite cross-country skiers have a higher incidence of arrhythmias, particularly those who have completed more races and trained at an elite level. The study also found that younger athletes were more likely to experience these arrhythmias.
A large-scale trial reveals apixaban's superiority over warfarin in preventing stroke and systemic embolism, while also reducing major bleeding and mortality. Apixaban results in a significant relative reduction in stroke and bleeding events, making it a more effective treatment option.
The ARISTOTLE trial shows apixaban reduces stroke by 21% and major bleeding by 31% compared to warfarin, without significant increases in bleeding risk. The study's benefits are consistent across various patient subgroups and settings, offering a promising alternative for treating patients with atrial fibrillation.
A study of 228 patients found that those with high anger levels had a higher risk of cardiac events and lower infarction-free survival. The researchers suggest a multidimensional therapeutic approach incorporating physical, pharmacological, and psychotherapy treatment to address underlying suffering.
The PERMIT-CARE trial demonstrates that MitraClip treatment improves NYHA functional class and reverse left ventricular remodeling in approximately 70% of patients. The study shows that FMR reduction with MitraClip is feasible, safe, and leads to substantial improvement in heart failure patients who do not respond to CRT.
Researchers found a significant correlation between pericardial fat thickness and coronary arterial remodeling in patients with coronary artery disease. Patients with higher pericardial fat thickness were more likely to have non-calcified plaque and positive remodeling, which are related to acute coronary syndrome.
A study of 663 advanced heart failure patients found that echocardiographic response (left ventricular reverse remodeling) was a better predictor of long-term mortality than clinical response. Echocardiographic response was independently associated with superior survival, with patients showing good response having a lower risk of death.
Critically ill heart failure patients supported with short-term VADs before urgent transplantation had higher incidence of surgical bleeding, longer bypass times and primary graft failure rates compared to those receiving conventional therapy. Routine VAD implantation in stable patients may compromise transplant outcomes.
The European Society of Cardiology has launched an updated version of its HeartScore application, which provides a more accurate estimate of cardiovascular disease risk. The new tool includes features such as a 'fast track' calculator and a 'risk age' function to help clinicians quickly understand patient exposure to CVD risk.
Researchers found that cardiologists' constant exposure to ionising radiation causes cellular changes, including increased antioxidant levels and apoptosis susceptibility. These changes may be the body's protective response to harmful radiation effects.
The Braunwald's Heart Disease Practice Guidelines App offers clinically actionable information on cardiovascular medicine, featuring the latest ACC/AHA guidelines. The app is available for iPad, iPhone, and iPod Touch, providing anytime access to essential cardiology knowledge.
A new study reveals that pediatric cardiologists have a lower accuracy rate when interpreting ECGs for young athletes, highlighting the need for better training and guidelines. This can lead to unnecessary exclusion of healthy young people from sport participation and potential false reassurances to families.
A study published in The Journal of Pediatrics found that the accuracy of pre-sport participation ECGs is fairly low, with an average score of 67% among pediatric cardiologists. This has led researchers to question the validity of mandatory ECG screenings for young athletes.
A new study published in Archives of Internal Medicine found that cardiologists in the US are still performing late artery-opening procedures despite guideline changes. The study examined nearly 29,000 patients and showed no decline in monthly rates of late procedures from 2005 to 2008.
A new UCLA study reports favorable long-term outcomes for lower-risk patients with left main coronary artery disease who underwent angioplasty with medication-coated stents. The procedure had an excellent short-term outcome profile and a low risk of complications.
The European Society of Cardiology is urging more research into vulnerable plaques and their stabilization. Studies have shown that therapies like statins and anti-platelet drugs can reduce cardiovascular events, while imaging tools and biomarkers may help identify at-risk patients.
The European Society of Cardiology has established minimum standards for cardiovascular medical expertise, equipment, and emergency planning at major sporting events. These recommendations aim to prevent unnecessary deaths from Sudden Cardiac Arrest (SCA) by ensuring rapid access to treatment facilities.
A new analysis of the PLATO study confirms that ticagrelor is more effective than clopidogrel in reducing death and recurrent heart attack, with a potential to prevent up to 20% of heart-attack related deaths.
A new study reveals that women are more likely to be referred for unnecessary nuclear stress tests than men, with a majority of inappropriate studies ordered by primary care physicians. The research suggests that education among primary care providers is needed to improve test ordering for women.
A study published in Clinical Cardiology reveals that CRT significantly improves libido, erectile dysfunction, and sexual performance in men with chronic heart failure. The therapy improves functional capacity and ejection fraction, leading to better sexual health outcomes.
A study of 1,078 doctors found that younger doctors prescribed more cardiovascular drugs but did not significantly improve patients' major CV risk factors. Older doctors were more likely to recommend lifestyle changes and provide accurate clinical data.
A JAMA study of 500,000 heart stent patients found that clinically indicated medical therapy was lost in translation after its publication. Fewer than half of all patients received appropriate treatment with common cardiac drugs before and after their stenting procedure.
Increased peripheral arterial disease (PAD) screening is correlated with substantial growth in PAD revascularization procedures, particularly vascular surgery. Non-invasive physiologic testing in cardiology has demonstrated a nearly twice the compounded annual growth rate of vascular surgery and radiology.
Tel Aviv University's Dr. Sami Viskin has developed a new test to detect 'sudden death syndrome' in young athletes, which can be done at the patient's bedside using an electrocardiogram (ECG). The test detects a measurable difference in heart rate called the QT interval, which can help doctors identify patients at risk for sudden death.
Loyola University Health System's Heart Attack Rapid Response Team has dramatically improved care for heart attack patients by reducing door-to-balloon times to just 47 minutes.
A new study found that implantable cardioverter-defibrillators (ICDs) can effectively prevent sudden cardiac death in patients with ischemic cardiomyopathy and dilated cardiomyopathy. The average survival time for ICD patients was seven years, outpacing the typical lifespan of an ICD battery.
The RESOLUTE All Comers trial confirms that the new-generation Resolute zotarolimus-eluting stent is clinically equivalent to the Xience V everolimus-eluting stent after 2 years. The study included patients with complex lesions and acute coronary syndromes, demonstrating improved safety and efficacy of the zotarolimus-eluting stent.
The Canadian Cardiovascular Society and Canadian Heart Rhythm Society have published comprehensive guidelines on the use of genetic testing in managing patients with inherited heart rhythm disorders. The guidelines emphasize the importance of ordering physicians having a clear understanding of ethical issues surrounding genetic testing.
A survey of physicians in dermatology, cardiology, and orthopedics found that 75% of dermatologists and 91% of orthopedic specialists use dietary supplements, while 66% and 72% recommend them to patients respectively. The most commonly used supplements were multivitamins and omega-3/fish oil supplements.
A team of researchers has successfully integrated stretchable electronics technology with standard endocardial balloon catheters, enabling both mapping and ablation functions in a single device. The device features an array of sensors to measure cardiac activity, temperature, blood flow, and pressure.
The January/February 2011 issue of the Canadian Journal of Cardiology marks the beginning of a partnership between Elsevier and the Canadian Cardiovascular Society. The issue focuses on atrial fibrillation, including the long-awaited Canadian Cardiovascular Society Atrial Fibrillation Guidelines.
A new study found that cardiac resynchronization therapy with defibrillator (CRT-D) is significantly more beneficial for women than men in preventing heart disease. Women experienced a 70% reduction in heart failure and a 72% reduction in death, compared to 35% and 45%, respectively.