Articles tagged with Heart
Researchers discovered a step-by-step process of calcification in aortic valves, revealing two defense mechanisms: osteopontin and collagen fibers. The study provides new insights into understanding cardiovascular calcification and potential therapeutic applications.
A study by Washington State University found ChatGPT's generative AI system provided inconsistent heart risk assessments for patients with chest pain. The AI failed to match traditional methods used by physicians and returned different results for the same patient data, highlighting its limitations in high-stakes clinical situations.
Research published in Heart Rhythm suggests that the three-month blanking period after atrial fibrillation (AF) ablation may not be necessary, as early AF recurrence is a predictor of late recurrence. The authors propose shortening the blanking period to one month, citing studies that show higher risks of long-term recurrence for patie...
A new study published in the New England Journal of Medicine found that half of patients discharged from hospital after a heart attack are treated with beta-blockers unnecessarily. The study shows that these patients have suffered a small heart attack and have retained heart function afterwards.
A study led by Michigan Medicine found that around 10% of deaths following percutaneous coronary intervention are potentially preventable. Complications during procedures contributed to 20% of the nearly 1,200 deaths reported during the study period.
A study published in JAMA found that Black candidates have lower heart offer acceptance rates compared to white candidates of the same gender, while women have higher acceptance rates than men. These disparities persist after adjusting for various factors, highlighting the need for further investigation into site-level decision-making.
A new study from Ohio State University Wexner Medical Center found that treating anxiety and depression significantly improves heart disease outcomes, with a 75% reduction in hospitalizations or emergency room visits. The study suggests a collaborative care model is essential for managing cardiovascular and mental health.
The Almodóvar lab is studying the link between HIV and pulmonary hypertension, a condition that increases pressure in lung arteries. By examining the interactions between different cell types and using a humanized mouse model, researchers hope to propose novel therapies to prevent lung diseases in people with HIV.
A new study published in JAMA Cardiology found that taking 3,600 steps per day is associated with a 26% lower risk of developing heart failure. The study also found that accumulating more light and moderate intensity daily activities can help prevent heart failure.
A study of 620,000 children found that maternal type 1 diabetes was associated with increased risk for most types of congenital heart defects in offspring. Obesity and overweight were linked to increased risk for complex defects, such as outflow tract obstruction, while decreasing the risk for ventricular septal defects.
A new UofL study shows that nicotine salts in pod-based e-cigarettes can increase the risk of irregular heartbeat and cardiac arrhythmias. The research found that these aerosols stimulate the same receptor that is inhibited by beta blockers, leading to increased sympathetic nervous system activity.
Black patients in integrated communities experience greatest benefits from PCI-CF openings, including a five times greater likelihood of receiving same-day PCI. Segregation is associated with poorer outcomes for racial minority groups.
A team of scientists has identified the molecular switches involved in halting heart malformations, which could lead to new treatments for tetralogy of Fallot. By targeting the BBLN protein, they aim to prevent defects in four critical areas of the heart.
The Center for Advancing Point of Care Technologies (CAPCaT) has received a five-year, $8.9 million award from the NIH to develop innovative point-of-care health technologies. The program aims to address heart, lung, blood and sleep disorders in underserved populations.
The Million Hearts Model significantly reduced first-time heart attacks and strokes, supporting guidelines for CVD primary prevention. The study's findings also suggest that the model can have a positive impact on Medicare spending.
Heart cells in developing zebrafish transition from silence to beating in a simultaneous, coordinated manner. Each cell can beat independently, and the heartbeat starts from different locations in different zebrafish.
A large Kaiser Permanente study found that moderate aortic stenosis patients have similar outcomes to those with mild stenosis. Fine-tuning physician assessment could help identify patients who may benefit from surgery, improving treatment strategies.
Researchers at West Virginia University are tracing the cause of diabetic heart disease using diabetic animal models to examine mitochondrial function. They hope to understand how faulty protein import affects the mitochondria and explore potential treatments to improve energy production and reduce cardiovascular risk.
In a groundbreaking procedure, Adriana Rodriguez received a dual-organ transplant, with her healthy liver transplanted into another patient to mitigate rejection risk. This innovative approach, known as HALT-D, demonstrates the potential for immunoprotection and has implications for highly sensitized patients requiring multiple organs.
A new study found that elevated Lipoprotein(a) levels are a significant predictor of recurrent coronary heart disease (CHD) in people over 60. The study suggests current cholesterol-lowering medications may not be effective in reducing the risk of recurrent CHD, highlighting the need for novel therapeutics to target elevated Lp(a).
Researchers found that a mutation in RPL3L, expressed only in heart and skeletal muscle, leads to impaired cardiac contractility by causing ribosomal collisions and protein folding abnormalities. The study aims to develop new treatments for cardiomyopathy and atrial fibrillation.
A study of 1,300 participants found that increased physical activity 6 months after stroke was associated with better functional outcomes. Interventions targeting individuals with decreasing physical activity in the subacute phase may play a role in improved functional recovery.
A Boston University-led study found that Black women who reported experiencing interpersonal racism in employment, housing, and police interactions had a 26% higher risk of coronary heart disease. Racism has a real impact on the heart health of Black women, increasing blood pressure and inflammation.
Researchers at The Hospital for Sick Children have discovered that dysregulation of energy production is an early sign of heart failure. They found that lysine demethylase 8 (Kdm8) helps maintain balanced energy use, but its suppression leads to changes in metabolism.
Excessive trabeculation of the left ventricle does not coalesce into a compact myocardial wall, making 'LV non-compaction' an inaccurate term that should be discouraged. The review recommends using 'excessive trabeculation', which can be observed across various health and disease states.
Researchers at the University of Missouri have designed a soft and breathable material that can be worn on the skin without causing discomfort. The material, made from liquid-metal elastomer composite, has integrated antibacterial and antiviral properties to prevent the formation of harmful pathogens.
Researchers at RIKEN Center for Integrative Medical Sciences discover genes and individual variations associated with atrial fibrillation, predicting stroke and mortality risk. They also uncover a potential treatment target, ERRg, involved in the pathogenesis of atrial fibrillation.
A new study found that the incidence rate of endocarditis among patients with cocaine use disorder or opioid use disorder increased significantly between 2011 and 2022. The risk was higher in patients with COVID-19, with a mortality rate of 9% within 180 days of diagnosis.
Cardiac reprogramming converts scar tissue into healthy heart muscle, reducing fibrosis and improving heart function in mice with chronic myocardial infarction. This approach could lead to a new treatment for patients with heart attack and heart failure.
Researchers at the University of Missouri are developing a wearable heart monitor using a breathable material with antibacterial and antiviral properties. The device will track heart health via dual signals, providing continuous monitoring for early detection of heart disease.
The use of smartwatches to screen for faulty heart rhythms needs more evaluation, according to a cardiologist. Smartwatch detection of AF can often point to cases of the disorder, but substantial work is needed to integrate this consumer-received information into optimized care. Recent studies have reported low rates of irregular heart...
Inducing a hibernation-like state in mice using Q neuron activation has been shown to protect kidneys from oxygen deprivation and avoid harmful side effects. This technique could lead to new methods of performing heart surgery with reduced organ damage.
Researchers found that exposure to e-cigarettes, marijuana, and tobacco led to increased scarring, decreased blood vessels, and changes in heart nerves, all contributing to an increased risk of arrhythmias. These substances can cause similar harm to the heart as traditional cigarettes.
A fetus with infantile-onset Pompe disease has been successfully treated in utero using enzyme replacement therapy, resulting in normal cardiac and motor function. The child is now thriving as a toddler, meeting developmental milestones after receiving postnatal enzyme therapy at a pediatric hospital.
A national study published in The New England Journal of Medicine finds that early intervention with catheter cryoablation can halt disease progression and reduce serious health risks. Cryoablation is more effective than antiarrhythmic drugs in reducing the risk of persistent AF, hospitalization, and adverse events.
A UCSF-led study sheds light on the mechanisms behind sex differences in ICI-induced myocarditis, a potentially fatal side effect of cancer immunotherapy. The research suggests that immune checkpoint inhibitors may interact with sex hormones to cause cardiac toxicity in female patients.
Researchers found that participants with long COVID had a lower peak oxygen rate and irregular breathing patterns during exercise tests, indicating reduced exercise capacity. This decline was equivalent to a 40-year-old woman's expected exercise capacity dropping to that of a 50-year-old woman.
The study found that the COVID-19 pandemic led to increased waiting list times for pediatric heart transplants, but did not affect graft and recipient survival rates. Waiting list mortality remained unchanged during this period.
Research found that people with HIV who also have untreated hepatitis C virus have a higher risk of heart attack as they age. The study analyzed health data from 23,361 people with HIV and found that those co-infected with hepatitis C had a significantly increased risk of heart attack compared to those with HIV alone.
A recent study by the American Heart Association highlights that poorly controlled high blood pressure is a leading cause of cardiovascular emergencies in the US. The study analyzed over 20 million emergency department visits and found that 13% were for essential hypertension, which led to hospital admission less than 3% of the time.
Researchers from Temple University Health System developed a device that significantly reduces blood clot size in pulmonary arteries, leading to improved heart function and shorter treatment duration. The breakthrough is based on data collected in the NIH-sponsored RESCUE trial.
Researchers analyzed over 6,700 patients treated for blood clots and irregular heart rhythms. Stopping aspirin significantly reduced bleeding complications by 32.3% and prevented one major bleeding event per every 1,000 patients who stopped taking aspirin.
A study using STS/ACC TVT Registry data found that most patients with severe mitral regurgitation (MR) and cardiogenic shock who underwent TEER achieved successful MR reduction, with associated lower mortality and heart failure hospitalizations at one year. Device success was linked to improved survival rates in a high-risk population.
The PASCAL transcatheter valve repair system showed non-inferiority compared to MitraClip in treating significant symptomatic DMR. Patients experienced improvements in functional and quality-of-life outcomes.
Researchers at the University of Zurich have developed a new immunotherapy strategy to eliminate fibroblasts in targeted manner, reducing lung and liver fibrosis in mice. The treatment triggers an immune response via cytotoxic T-cells, eliminating activated connective tissue cells while leaving resting cells undamaged.
Valentin Fuster, MD, PhD, is honored with the TCT Career Achievement Award for his transformative work in interventional cardiology and patient care. He has made significant global contributions to cardiovascular medicine.
A new study published in the Journal of the American Heart Association found that air pollution may trigger irregular heart rhythms in healthy teenagers, with exposure causing arrhythmias to occur within two hours. The research analyzed data from over 300 adolescents and found a significant impact of fine particulate matter on cardiac ...
The University of Ottawa-led team aims to bridge the gap between heart and brain health by developing new diagnostic tools and treatments. They will focus on improving patient outcomes for disorders linked to both organs.
A new software application predicts the likelihood that a case of dilated cardiomyopathy has a genetic mutation. The Madrid Genotype Score identifies patients most likely to have inherited the disease, facilitating genetic screening and tailored treatment adjustments.
Researchers found that high blood pressure induced in young mice led to significant bone loss and osteoporosis-related damage comparable to older mice. The study suggests a possible link between inflammation, high blood pressure, and accelerated bone aging in humans.
A prospective study in the Canadian Journal of Cardiology found that dedicated women's heart centers can significantly improve clinical and psychological outcomes for women with myocardial ischemia. The study, which followed 154 patients, showed a significant decrease in chest pain frequency and improved quality of life after attending...
A small qualitative study found that emergency departments often fail to provide dignified and respectful care to frail older patients, leading to long waits and poor communication. The researchers recommend making healthcare settings more 'frailty friendly' by prioritizing patient comfort and involvement.
A new study found that strict lockdowns in France resulted in a measurable improvement in cardiovascular health, with reduced vascular stiffness and body weight. In contrast, partial lockdowns in Germany had little to no impact on cardiovascular health.
A new American Heart Association statement highlights the need for specialized care in people who inject drugs, a population with a complex approach to manage potentially deadly heart infections. The standard treatment includes six weeks of intravenous antibiotics, but alternative regimens and oral antibiotics may help complete treatment.
Scientists have discovered three proteins with therapeutic potential to prevent cardiac damage and preserve cardiac function after a heart attack. The proteins, Chrdl1, Fam3c, and Fam3b, were identified through an innovative technology called FunSel that screens human proteins for protective effects.
A new study from the Smidt Heart Institute shows that when height is accounted for, women are 50% more likely to develop atrial fibrillation (AFib) than men. The study's findings suggest that medical practitioners must remain vigilant in promoting AFib prevention and early interventions among both female and male patients.
Researchers developed a method to identify valve dysfunction using complex network analysis that is accurate, simple to use, and low-cost. The diagnostic tool works by analyzing the sounds produced by the heart, creating a graph of connected points, and identifying correlations between nodes.
A new risk score can help predict mortality for patients with atrial fibrillation who have undergone successful TAVR and been discharged home. The risk score was developed using data from the ENVISAGE-TAVI AF trial, which found that patients with certain clinical risks were more likely to die within a year of discharge.
A study of 22 million patients found that those with autoimmune disorders have a substantially higher risk of developing cardiovascular disease. The excess risk is similar to that of type 2 diabetes and affects the entire cardiovascular disease spectrum.
The SECURE trial found that the polypill, containing aspirin, ramipril, and atorvastatin, achieves clinically relevant reductions in recurrent cardiovascular events among patients recovering from a heart attack. This simplified approach improves treatment adherence, leading to a 33% reduction in cardiovascular mortality.