Articles tagged with Myocardial Infarction
A study published in Nature Cardiovascular Research reveals that a dynamic synergy between cell types facilitates cardiac renewal, challenging existing paradigms. Targeting the microenvironment rather than specific cell types is key to healing injured hearts.
Researchers at Uppsala University have developed a tool that uses standard blood test results to identify individuals at increased risk of having a heart attack within six months. The study analyzed data from 169,053 individuals and identified 90 molecules linked to a first heart attack.
Researchers discovered that reducing cholesterol levels in mice with advanced atherosclerosis leads to a decrease in the number of smooth muscle-derived cells causing plaque growth, while preserving stabilizing cell types. This finding opens up new opportunities for targeted therapies.
A recent study found that a stroke or combined with a neck artery tear significantly increases the risk of heart attack within a year. The researchers analyzed health data from over 800,000 adults and discovered that carotid or vertebral artery dissections without a stroke do not raise heart attack risk.
A recent survey found that 51% of Americans are unaware that heart disease is the leading cause of death in the US. This lack of knowledge can be deadly, with nearly half of adults having some form of cardiovascular disease.
A University of Queensland team has developed a spider venom molecule, Hi1a, that protects cells from heart attack and stroke damage. The drug candidate has passed critical benchmarks in preclinical tests, which indicate it could be an effective therapeutic with reduced side effects.
A study of 345 participants found COVID-19 linked to impaired brain health, with no greater impact than other serious illnesses. Long-term associations suggest brain health tied to overall disease severity and hospitalization.
Researchers at MMRI have developed a novel approach to minimize cardiac damage after a heart attack by targeting the spleen with histone deacetylase inhibitors. This targeting strategy results in a significant decrease in cardiac scar size and preservation of heart function, even after just one dose.
The Canadian Cardiovascular Society has updated its guidelines to no longer recommend routine daily aspirin use for primary prevention of heart attacks or death. However, daily aspirin may be considered for people with high risk factors for heart attack, such as diabetes, high cholesterol, and smoking. The new guidelines emphasize the ...
A recent study found that human induced pluripotent stem cell-derived cardiomyocytes interact negatively with myofibroblasts, leading to electrical instability and arrhythmogenic potential. Blocking Interleukin-6 signalling reduced these negative effects, suggesting a promising therapeutic strategy for safe regenerative treatments.
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.
Researchers at UVA Health System created an 'atlas of atherosclerosis' revealing critical processes that form harmful plaque buildup. The study provides unprecedented insights into atherosclerosis and its impact on coronary artery disease, heart attacks, and strokes.
A new study finds that consuming more oily fish like salmon and mackerel can lower the risk of cardiovascular diseases in people with a family history. The research suggests that these fatty acids EPA/DHA play a crucial role in mitigating this risk, especially for those with close relatives who have suffered from cardiovascular disease.
A novel prescription wristwatch uses photoplethysmography to detect atrial fibrillation with high accuracy, even in participants with darker skin tones. The Verily Study Watch bridges the gap between long-term monitoring and consumer devices, enabling clinicians to effectively use wearable data for Afib management.
Researchers discovered that adrenergic signals from the autonomic nervous system determine whether macrophages multiply and migrate into damaged heart tissue. This communication also plays a crucial role in regenerating heart muscle tissue.
A three-year intensive treatment strategy to lower systolic blood pressure below 120mmHg significantly reduced cardiovascular events, including heart attack, stroke, and death, compared to standard treatment. The study found that participants in the intensive group experienced fewer major vascular events and deaths over a two-year period.
A single infusion of CRISPR-based gene-editing therapy significantly reduced LDL cholesterol levels in people with heterozygous familial hypercholesterolemia, a condition that increases heart attack risk. The treatment has shown potential as a long-term or permanent option for high LDL-C control.
Researchers found that people with overweight or obesity who took semaglutide for over 3 years had a 20% lower risk of heart attack, stroke, or death from cardiovascular disease. The study showed significant weight loss and improved cardiovascular outcomes in adults without diabetes.
A randomized controlled trial suggests that a more liberal approach to red blood cell transfusions for heart attack patients with anemia may benefit outcomes without significant risk. The study found no statistically significant difference between two transfusion strategies, but results suggest a possible benefit of liberal transfusions.
The ORBITA-2 trial found that stenting improves symptoms compared to a placebo procedure, providing evidence-based treatment for stable chest pain. The study suggests updating guidelines for stable coronary artery disease and offers patients and medical teams two treatment strategies with similar benefits.
A new study suggests that a PCSK9 inhibitor given every 1-3 months may effectively lower bad cholesterol levels in people with non-genetic hypercholesterolemia. The medication, recaticimab, showed similar effectiveness and safety as other PCSK9 inhibitors when administered less frequently.
A recent clinical trial found that semaglutide significantly reduced cardiovascular events in adults with overweight or obesity who do not have diabetes. The medication was shown to lower the risk of death from cardiovascular causes, nonfatal heart attacks, and strokes by 20% compared to placebo.
A liberal blood transfusion strategy reduced the risk of reoccurrence and improved survival rates in patients with heart attacks and anemia. The MINT trial found a 2.4% lower mortality or recurrent heart attack rate when using this approach.
A new study by Intermountain Health found that high levels of coronary calcium are common among people who have a heart attack but no known risk factors. The study suggests that scans to detect plaque buildup should be part of standard care for these patients, enabling early diagnosis and treatment.
A liberal blood transfusion strategy may reduce the risk of a reoccurrence of heart attacks in patients who have had a heart attack and have anemia, according to the Myocardium Infarction and Transfusion (MINT) trial. The study found a 2.4% lower mortality rate when patients received more blood.
Researchers at UTHealth Houston are studying the impact of circadian rhythm on heart attacks and cardiac surgery, with a focus on identifying novel therapies to protect the heart. They will investigate the role of key genes and signaling pathways in modulating daytime variations in cardiac injury.
Two preliminary studies presented at American Heart Association’s Scientific Sessions 2023 found a potential association between regular marijuana use and an increased risk of heart failure, heart attack, and stroke. Daily marijuana use was associated with incident heart failure in a study involving over 150,000 adults in the US.
Dr. Marc A. Pfeffer will receive the 2023 Eugene Braunwald Academic Mentorship Award for his remarkable teaching and mentoring career, which has inspired numerous professionals in cardiovascular medicine. He is credited with directly mentoring 58 individuals throughout their careers.
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 Michigan Medicine-led study reveals that older adults from distressed communities are less likely to attend cardiac rehabilitation after coronary revascularization. The study found that only 26% of patients from these areas used cardiac rehab, compared to 46% from prosperous areas.
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.
Researchers found that Porphyromonas gingivalis inhibits autophagosome-lysosome fusion, worsening cardiac remodeling and causing cardiac rupture after myocardial infarction. The study suggests that treating this oral infection could help prevent fatal heart attacks.
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.
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.
A study by researchers from National Institutes of Health and Glasgow University found that amlodipine does not activate calcium channels, contradicting earlier concerns. The medication remains a recommended first-line treatment for high blood pressure, reducing deaths from hypertension.
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 new study has found a significant association between cannabis use disorder and an increased risk of cardiovascular disease events such as heart attacks and strokes. Adults with cannabis use disorder in Canada experienced a 60% higher risk of first-time cardiovascular disease events compared to those without the disorder.
A new study reveals that COVID-19 triggers a dangerous immune response in hardened fatty deposits lining the heart's largest blood vessels. This inflammation can lead to immediate and longer-lasting heart issues, including plaque rupture and blockage of blood flow.
A large study of 74,471 patients found that those who quit smoking after percutaneous coronary intervention (PCI) have comparable rates of heart attacks, strokes, and deaths to non-smokers. However, heavy smokers showed no improvement in cardiovascular outcomes.
A new study found that only one out of four recommended screening tools for sepsis is reliable, with NEWS-2 accurately predicting 72.2% of all sepsis cases. The study also highlights the need for better awareness and more frequent use of effective screening tools to improve early sepsis recognition and survival rates.
A preclinical study suggests that nanowired cardiac organoids could repair hearts instead of just preventing further damage. The treatment, led by Dr. Mei and Ryan Barrs, showed a 69% increase in heart function, promising a new therapy for heart disease.
Research shows a significant decline in death rates after a first heart attack for individuals without diabetes and those with type 2 diabetes. However, this trend is absent in people with type 1 diabetes. The study suggests that improved standard care following a heart attack may contribute to the observed differences.
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 Medical College of Wisconsin research team has identified a new role for liver protein tPA in influencing blood cholesterol levels. The study found that increased tPA production leads to decreased VLDL assembly in the liver, which may provide a novel target for heart disease treatment.
A new study reveals that red blood cells can protect against myocardial infarction when exposed to oxygen deficiency, and this effect is enhanced by a nitrate-rich diet. The research provides hope for patients at risk of heart disease.
A global analysis of 2.3 million people reveals women are diagnosed and treated late for cardiac issues, with alarming rise in heart attacks among younger women. Non-traditional symptoms like vomiting, jaw pain, and abdominal pain are more common in women.
Atrial fibrillation patients in the UK are now 50% less likely to die from heart attacks and strokes than at the start of the millennium. The study revealed significant health inequalities, with socioeconomically deprived patients facing a higher risk of mortality.
A genetic study of 44,396 British people of Bangladeshi and Pakistani ancestry found that 57% have a genetic variant that renders clopidogrel ineffective in preventing recurrent heart attacks. People with two loss of function variants were more than three times more likely to experience recurrent heart attacks due to treatment failure.
A new study published in the Journal of the American Heart Association found that people who experience pain after a heart attack are more likely to die within the next 8.5 years. The study analyzed data from over 18,300 adults who had a heart attack and found that moderate or extreme pain was linked to a higher mortality risk.
A high level of cardiac troponin is associated with a 76% increased risk of death, including non-cardiovascular causes, over medium-term survival. Researchers suggest that troponin may serve as a general indicator of health issues, including undiagnosed conditions.
A new study published in Circulation found that heat waves and high levels of fine particulate pollution can double the risk of fatal heart attacks. The combination of extreme temperatures and fine particulate pollution was associated with an increased risk of heart attack deaths, especially among women and older adults.
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.
A study analyzing 89,000 individuals found that engaging in intense physical activity over a short period (weekend warrior pattern) lowers the risk of atrial fibrillation, heart attack, heart failure, and stroke. This type of activity was associated with similar lower risks compared to evenly distributed physical activity.
The USPSTF recommends against routine screening for lipid disorders in children and adolescents under 20 years old, citing insufficient evidence. This recommendation is consistent with its 2016 guidelines for preventive care services.
Researchers found a strong association between certain gut bacteria and coronary atherosclerotic plaques, which can lead to heart attacks. The study analyzed gut bacteria and cardiac imaging data from over 8,900 participants and identified Streptococcus species as key players.
The American College of Chest Physicians (CHEST) has released a new clinical guideline for managing antithrombotic therapy in patients with COVID-19-related arterial thrombosis and thromboembolism. The guideline provides evidence-based recommendations to improve risk-evaluation and treatment course.
A new machine learning model developed by University of Pittsburgh researchers uses electrocardiogram (ECG) readings to diagnose and classify heart attacks faster and more accurately than current approaches. The model improves risk assessment, helping patients receive appropriate care without delay.
A study of 200 people aged 50-70 found that higher carotene levels in the blood were associated with lower atherosclerosis and reduced cardiovascular disease risk. A diet rich in fruits and vegetables, particularly those high in carotenes, may help lower the risk of heart disease.
Head and neck squamous cell carcinoma patients face substantial burden of uncontrolled cardiovascular risk factors, leading to increased risk of stroke and heart attack. Modifiable CV risk factor control is crucial in reducing the risk of adverse cardiovascular events and death among these patients.
A new study by CNIC researchers reveals that low-grade systemic inflammation triggered by subclinical atherosclerosis accelerates epigenetic aging in otherwise healthy young individuals. The study found a strong association between atherosclerosis progression and accelerated biological age, with potential reversibility through lifestyl...