Articles tagged with Acute Myocardial Infarction
A new injection therapy uses self-amplifying RNA to prompt the body's release of the natural heart-protective hormone ANP for several weeks. This approach aims to reduce harmful scarring, preserve healthy heart muscle and improve heart function after a heart attack.
A study from the University of Copenhagen found that children with multiple tooth cavities or severe gingivitis have a significantly higher incidence of stroke, heart attack, and coronary artery disease as adults. Lifestyle factors may play an important role in this correlation.
GLP-1 weight-loss drugs may prevent further tissue damage following a heart attack, significantly reducing the risk of further life-threatening complications. Researchers found that these drugs improve blood flow to the heart by activating potassium channels, relaxing constricted blood vessels and reducing heart damage risk.
Researchers developed an AI tool called ONCO-ACS to predict the risk of secondary heart attacks in cancer patients after a heart attack. The tool combines cancer-related factors with standard clinical data to provide reliable information for doctors to balance treatment benefits and harms.
A new AI tool has been developed to predict the chances of death, major bleeding, or another cardiac event in cancer patients who have had a heart attack. The ONCO-ACS score combines cancer-related factors with standard clinical data to provide individualized treatment recommendations.
Researchers have uncovered a new understanding of how cardiac events are interconnected with the brain and nervous/immune systems. They found that sensory neurons in the vagus nerve detect injury and transfer signals to dedicated brain structures, leading to activation of the immune system.
Researchers have shown that human hearts can regrow muscle cells after a heart attack, paving the way for new treatments to reverse heart failure. The discovery was made possible by pioneering techniques that use living tissue samples taken from patients during bypass surgery.
Researchers identified a way to suppress daily fluctuations in immune cells' activity, which may prevent tissue damage during daylight hours. A drug that targets neutrophils was found to alleviate inflammation and protect against infections.
A new study published in JAMA Pediatrics suggests that early normalization of weight can protect the heart from childhood overweight. Researchers found that individuals who had normal weight in young adulthood after being overweight as children had a lower risk of heart attack compared to those who remained overweight.
A large study found that people with type 1 and type 2 diabetes have a higher risk of sudden cardiac death, particularly in younger adults. The research also showed that sudden cardiac death contributes to shorter life expectancy for those with diabetes.
Researchers have identified a distinct type of frailty in younger people driven by cardiovascular and metabolic illnesses, leading to poor outcomes and premature death. The study calls for routine frailty assessments in all heart attack patients, regardless of age.
A new study found that current cardiac screening tools are not optimal and fail to identify half the people who are at risk of having a heart attack. The researchers assessed the accuracy of widely used tools, including ASCVD and PREVENT calculators, and found that nearly half of patients would not have been recommended for preventive ...
A new patch developed by Texas A&M University researcher Dr. Ke Huang may offer a way to help the heart heal after a heart attack by delivering interleukin-4 directly to damaged heart tissue. The patch uses a microneedle system to promote repair and improve heart function without affecting the rest of the body.
Researchers found that waiting to treat narrowed coronary arteries after a heart attack is safe and can reduce the number of stent procedures. An MRI scan at a later stage can provide reassurance for patients.
Researchers analyzed insurance claims data from US health insurers to demonstrate the cardiovascular benefits of semaglutide and tirzepatide. Both GLP-1 drugs provide cardioprotective effects, reducing the risk of stroke and heart attack by 18% and 13%, respectively.
A tailored approach to vitamin D3 supplementation in heart attack patients reduces their risk of a second heart attack by half, according to a new study from Intermountain Health. The study found that monitoring and adjusting blood levels of vitamin D3 to optimal levels significantly reduces cardiovascular risk.
A study of 40,000 patients found that those with no coronary artery calcium have lower risk of death from all causes, including non-cardiac medical conditions. Patients with any level of CAC are 2-3 times more likely to die than those without CAC.
A naturally occurring gene called Cyclin A2, normally silenced in humans, can make new functioning heart cells and aid in the heart's repair. The breakthrough discovery could lead to new techniques for repairing damaged hearts as an alternative to transplants or implanted cardiac devices.
A new approach to PET imaging can identify patients at risk of poor functional recovery after a heart attack by visualizing CXCR4, a cellular protein involved in inflammation. This technique enables timely implementation of treatments to mitigate inflammation and prevent heart failure progression.
A landmark study analyzed health data from over 600,000 patients across 10 countries to assess patient risk for non-ST-elevation acute coronary syndrome (NSTE-ACS). The AI-powered model GRACE 3.0 predicts risk more accurately and guides personalized treatment decisions.
A new AI-based risk assessment tool, GRACE 3.0, has shown better predictability of future risk for heart attack patients compared to traditional methods.
A multidisciplinary panel published in the Journal of Pediatrics advocates for accelerated diagnosis of familial hypercholesterolemia, a life-threatening genetic condition. Universal lipid screening is recommended to identify affected children at high risk of heart disease decades earlier than those without the condition.
A new study found significant racial disparities in the care of patients with ST-elevation myocardial infarction (STEMI) in Florida. Hispanic and non-Hispanic Black patients were less likely to receive percutaneous coronary intervention (PCI), a recommended treatment, compared to non-Hispanic white patients. This disparity resulted in ...
A new Mayo Clinic study found that many heart attacks in people under 65 are caused by factors other than clogged arteries, particularly in women. The study revealed that spontaneous coronary artery dissection (SCAD), embolism, and stress-related triggers accounted for over half of heart attacks in women under age 65.
A major new analysis from the REBOOT trial reveals that women treated with beta-blockers after a heart attack had a higher risk of death, reinfarction, or hospitalization for heart failure. The study also found that women presenting with infarction had a worse cardiovascular profile and a significantly worse prognosis than men.
Late-breaking clinical trials and science at TCT 2025 will present pivotal data on novel therapies, devices, and techniques aimed at preventing and treating cardiovascular conditions. The symposium delivers high-impact findings that shape clinical practice and enhance outcomes for patients with heart and vascular disease.
The American Association of Blood Banks (AABB) has updated its transfusion standards to recommend giving more-frequent blood transfusions to patients suffering from myocardial infarction, particularly those with low hemoglobin levels. This new guideline aims to prevent recurrent heart attacks and deaths among anemic patients.
Researchers from the University of South Australia have identified a potential early warning system for Takotsubo syndrome in ICU patients using electrocardiogram patterns and blood markers. Critical care nurses with advanced ECG skills can play a key role in recognising early signs of the condition.
A new study found that scar tissue in the heart of healthy male endurance athletes aged 50 or older may increase their risk of abnormal heart rhythms and sudden cardiac death. The research used magnetic resonance imaging and ECG recorders to track the participants' heart activity over two years.
Heart attacks often don't follow a Hollywood script, says UTA expert Ann Eckhardt. Symptoms can be complex and mild, with discomfort or pressure rather than pain. This misperception leads to delayed medical attention, increasing the risk of negative consequences.
A study of over 2,500 adults aged 50-80 found that nearly 1 in 6 take aspirin for cardiovascular protection without a history of heart disease. Despite revised guidelines reducing aspirin use for primary prevention after age 70, many patients are unaware of the increased risk of bleeding.
A study of 273,770 individuals with cardiovascular disease found that increasing lipoprotein(a) levels significantly increases the risk of subsequent cardiovascular events. Treatment with high-impact LDL-C lowering therapies may help reduce this risk.
The summit features live case demonstrations, interactive debates, hands-on training, and the latest evidence-based practices in structural heart care. Attendees will witness innovation in action, exploring breakthroughs in surgical techniques, transcatheter interventions, and personalized treatment strategies.
A Michigan Medicine study suggests that higher out-of-pocket costs for initial cardiac rehabilitation sessions are a major barrier to participation. Patients who shared the cost of their first session attended more sessions than those who paid nothing, but still had lower odds of completing over 24 sessions.
Very intensive lipid-lowering therapy significantly regresses atheroma volume at the lesion level compared to statin therapy alone. This study found greater enlargement of the minimum lumen area and more frequent transition to stable plaque phenotypes with alirocumab treatment.
Treatment with prehospital pulse-dose glucocorticoid improved acute parameters, but did not reduce final infarct size after 3 months. The trial was likely underpowered due to smaller-than-anticipated final infarct sizes.
Researchers have gained new insights into the cellular reactions to a cerebral infarction, identifying specific cell types and their roles in the early phase after a stroke. The study's findings hold promise for developing novel therapeutic strategies to promote nerve tissue regeneration after a stroke.
A new study has identified CCL27 and TNFRSF14 as genetic markers in inflammation that may contribute to stroke recurrence. These findings could lead to novel drug targets to mitigate disability and mortality after a first stroke.
Researchers at the Lewis Katz School of Medicine will investigate how injured heart cells communicate with other cells throughout the body using microvesicles known as exosomes. The study aims to understand how specific molecules, such as microRNAs, facilitate communication pathways between cells in the heart and vasculature.
The study found that patient outcomes for six critical conditions worsened at urban hospitals, while rural hospitals experienced smaller declines, highlighting the need for tailored strategies to reduce excess deaths in future crises.
A study by UC San Francisco researchers found that daily cannabis users had a 25% increased risk of heart attack and a 42% increased risk of stroke compared to non-users. The study also found significant cardiovascular risks associated with cannabis use, including coronary heart disease and the combination of heart attack and stroke.
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 develop injectable hydrogel electrodes for treating ventricular arrhythmia, providing a potential solution to painful defibrillation and improving quality of life. The novel pacing modality addresses the pathophysiology of re-entrant arrhythmia and offers a promising alternative to existing therapies.
A new classification system for heart attacks based on heart muscle damage is released, offering a more differentiated definition and improving understanding of acute atherothrombotic MI. This system has the potential to stratify risk more accurately and lay the groundwork for development of injury-stage-specific therapies.
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.
Tongxinluo significantly improved 30-day and 1-year clinical outcomes in STEMI patients, according to a randomized clinical trial. Further research is needed to understand its mechanism of action.
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.
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.
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.
A cohort study of over 9,000 persons found that asymptomatic middle-aged individuals with subclinical coronary atherosclerosis are at an 8-fold increased risk for myocardial infarction. The study highlights the importance of identifying and addressing obstructive coronary artery disease in patients without known cardiovascular disease.
A real-world analysis found that high-risk Americans who fail to reach guideline-recommended LDL-C levels experience a 44% higher rate of cardiovascular events. The study, presented at the AMCP Conference, used data from over 300 million Americans and compared those who met and maintained recommended targets with those who did not.
Researchers discovered that aircraft noise exposure up to 4 days can cause pro-inflammatory aortic gene expression and increased vascular dysfunction in mice. In humans, noise exposure was linked to elevated C-reactive protein and worse left ventricular function after myocardial infarction.
A recent study from the University of Bergen found that elevated plasma methylmalonic acid is associated with an increased risk of acute myocardial infarction and mortality in patients with suspected or verified coronary heart disease. Higher plasma MMA levels were linked to reduced renal function and low vitamin B12 status, but also p...
A new study published in JAMA found that choosing a Medicare Advantage plan does not significantly improve heart attack survival rates compared to traditional Medicare. Despite this, Medicare Advantage participants still had higher rates of certain care procedures and lower hospital readmission rates.
A new study found that younger women hospitalized with heart attacks had a significantly higher prevalence of cardiac risk factors and comorbidities compared to younger men. This led to higher rehospitalization rates and all-cause readmission rates, emphasizing the need for ongoing efforts to improve prevention strategies.
A study by Duke-NUS Medical School and collaborators found that cooler ambient temperatures increased the risk of a specific type of myocardial infarction (heart attack) in Singapore. People aged 65 and above were particularly vulnerable to this risk, with a 20% higher risk compared to younger individuals.
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.
A nationwide study reveals lower rates of cardiac catheterization and revascularization among non-Hispanic Black patients with a history of cocaine use compared to white patients. The findings suggest implicit bias in treatment, emphasizing the need for health equity.
A study by Kobe University researchers has illuminated the characteristics of Myeloid immune cells in coronary plaque, a major contributor to acute coronary syndrome. The findings suggest that macrophages and monocytes accumulate in the plaques of patients with acute coronary syndrome, leading to increased inflammation.
A study published in The BMJ finds substantial differences in heart attack care across six high-income countries, including low use of blood vessel procedures in England and Netherlands, and high death rates in the US and Taiwan. This research highlights areas for improvement in these nations.