Articles tagged with Myocardial Infarction
A meta-analysis found that women with high-risk myocardial infarction experience increased hospitalization and mortality rates due to smoking, whereas no significant interaction was observed for mortality in the overall study sample. The study suggests intensified preventive strategies are necessary for this population.
Researchers developed an AI system that can analyze retinal scans to identify patients at high risk of a heart attack over the next year. The system uses deep learning techniques and achieves an accuracy of 70-80%, revolutionizing the way patients are screened for signs of heart disease.
Researchers use matrix-assisted laser desorption/ionization imaging mass spectrometry (MALDI-IMS) to track injected collagen in the heart. The technique allows for precise detection of therapeutic peptides and their distribution in the myocardial infarct.
A new PET/CT artificial intelligence model has been developed to predict the risk of future heart attacks with improved accuracy. By combining information from PET and CT angiography, the model provides a more robust prediction of heart attack risk than clinical data alone.
Aspirin use in primary prevention of cardiovascular disease should be individualized based on benefit-to-risk assessment, not age. The authors' updated meta-analysis shows a 13% reduction in cardiovascular disease with similar benefits at older ages.
Research in mice suggests that first-responder cells launching repair after a heart attack promote more inflammation than necessary, threatening optimum healing of the heart.
A study by Indiana University School of Medicine researchers suggests that reperfusion therapy may not be as effective in halting muscle damage during heart attacks as previously thought. The team's findings indicate that internal bleeding within the heart muscle can continue to cause damage even after the blocked coronary artery is op...
A German study finds that ambulance call-outs for heart attacks increase when air pollution is high, but decrease with warmer weather. The research highlights the need for better planning and resource allocation by hospitals to address climate change-related changes in weather conditions.
A study in mice suggests that transplanted brown fat can reduce type 2 diabetes risk factors after a heart attack by dampening gene activation linked to negative effects. The transplantation method could help researchers understand the mechanisms behind this protective effect and potentially lead to therapeutic applications.
Researchers found that up to one in five patients experience increased troponin levels after major surgery, indicating potential heart damage. These patients were also more likely to be anaemic before the operation.
A large-scale trial found that high-dose intravenous iron therapy reduces heart attacks in patients with kidney failure undergoing dialysis. The study analyzed 2141 patients and reported a significant reduction in type 1 heart attacks, which are often caused by blood clots or blockages.
A study by the Istituto Neurologico Mediterraneo Neuromed I.R.C.C.S. found that consuming ultra-processed foods significantly increases the risk of a second heart attack or fatal stroke in people with cardiovascular diseases, even if they follow the Mediterranean diet.
Recent clinical trials showed promising results with cardiosphere-derived cells, improving heart parameters in patients with Duchenne muscular dystrophy. Researchers investigate using cell-derived products like exosomes to boost endogenous repair pathways, while aiming to reverse cardiomyocytes' proliferation limitations.
A nationwide observational study published in Circulation found that lower levels of income and education are associated with reduced chances of survival after out-of-hospital cardiac arrest. The study analyzed data from 31,373 cases of OHCA between 2010 and 2017, showing a correlation that was observed in both men and women.
A new study published in the Journal of the American Heart Association found that smoking may be the first sign of cardiovascular disease (CVD) in some individuals. The research, which analyzed data from nine long-term cohort studies, discovered that fatal or non-fatal heart attacks and strokes were more common among smokers, particula...
Researchers found no significant increase in bleeding when patients had bypass surgery within 2-3 days of discontinuing ticagrelor. This study challenges current guidelines and opens up the possibility for future research on early surgery to prevent recurrent heart attacks or angina.
A study of 4,700 older adults found that those with social support had a lower likelihood of prolonged nursing home stays after a sudden health change. Having identifiable social support was associated with improved outcomes and reduced risk of extended care.
A new risk score developed by Mount Sinai researchers can help predict possible contrast-associated acute kidney injury among patients undergoing PCI. The 'Mehran-2 CA-AKI Risk Score' enhances management of high-risk patients before, during, and after the procedure.
A study analyzing data from 109 COVID-19 patients found that obesity is the key factor associated with endothelial dysfunction, a condition increasing heart attack and stroke risk. The results suggest an 17% higher cardiovascular risk for obese patients compared to those of normal weight.
Scientists discovered an important protective response in the heart that can prevent excessive scarring after a heart attack. The study found that this reactive response can limit cardiac fibrosis by preventing oxidant build-up in heart cells, potentially leading to new therapies to repair scarring damage.
A new study suggests that the recommended approach for preventing blood clots after stent placement may not be as beneficial as previously thought. The researchers found that the risks of dual antiplatelet therapy (DAPT) may now outweigh its benefits for most patients, due to improvements in stent technology and changes in patient demo...
A study by Karolinska Institutet found that low levels of microRNA-210 in red blood cells cause vascular damage in type 2 diabetes. The reduction in microRNA-210 levels impaired blood vessel endothelial cell function and led to increased risk of cardiovascular disease.
A study published in The Lancet found that using physiologic measurement quantitative flow ratio (QFR) for lesion selection during percutaneous coronary intervention (PCI) leads to better clinical outcomes compared to standard angiography-guided strategies. This is due to fewer procedural complications and superior long-term results.
A new study published in The New England Journal of Medicine found that percutaneous coronary intervention (PCI) guided by fractional flow reserve (FFR) did not meet noninferiority for one-year outcomes compared to bypass surgery. However, FFR-guided PCI performed favorably in patients with low SYNTAX scores and less complex disease.
Patients with diabetes undergoing percutaneous coronary intervention (PCI) have lower target lesion failure rates with amphilimus-eluting stents compared to zotarolimus-eluting stents. At one year, amphilimus-eluting stents met the criteria for noninferiority and superiority over zotarolimus-eluting stents.
A new study found that QFR-guided PCI resulted in lower one-year rates of heart attack and a lesser chance of needing additional PCI, with a 35% reduction in mortality. The technology helped eliminate unnecessary stents and identified more obstructive lesions.
A team of experts from Tel Aviv University has identified 5 coronavirus proteins responsible for damaging blood vessels. The researchers hope that the identification will lead to the development of targeted drugs that reduce vascular damage in COVID-19 patients.
A new guideline from the American Heart Association and American College of Cardiology recommends using standardized risk assessments and clinical pathways to evaluate chest pain. Most adults presenting with chest pain will have a non-cardiac reason, while only a small percentage will have an acute coronary syndrome.
Researchers found that slow release of TT-10 from nanoparticles improved heart function after a heart attack, accompanied by increased cardiomyocyte proliferation and smaller infarct size. The study suggests that PLGA nanoparticles could be used to improve treatment administration efficiency for cardiovascular drugs.
Scientists at Lewis Katz School of Medicine discovered that reintroducing the protein LIN28 into adult heart stem cells improves their chances of survival. This breakthrough could lead to new treatments for heart disease using stem cell therapy.
A recent review published in the Journal of the American Heart Association found that flu vaccination can significantly reduce the risk of heart attack and stroke in individuals with heart disease. Despite higher mortality rates from influenza, many Americans under 65 with heart disease have low vaccination rates.
A study of 200 heart attack survivors who used a smartphone app showed that they had a 52% lower risk of hospital readmission within 30 days. The app, which tracked medication use and lifestyle changes, also motivated users to improve their quality of life.
A new VA study finds a strong connection between PTSD symptom severity and anxiety sensitivity among female Veterans who experienced military sexual trauma. Treating anxiety may ease core PTSD symptoms, suggesting anxiety sensitivity as a potential target for treatment.
Regular physical activity is associated with a reduced risk of obesity and heart disease, but paradoxically may hasten the build-up of calcium deposits in coronary arteries. The study found that highly active individuals had higher CAC scores, suggesting a potential link between exercise and calcification.
A large-scale international study found that edoxaban is non-inferior to warfarin for efficacy in preventing adverse events, but led to higher bleeding complications. The trial suggests that treatment with edoxaban can be valuable in managing AF patients after TAVR, especially when a lower dose of edoxaban is used.
A preclinical study found that age-related decline in two sirtuin enzymes alters mitochondrial dynamics, weakening cardiac contractions in response to ischemia-reperfusion injury. Boosting SIRT1/SIRT3 levels may help protect against such injuries, potentially reducing heart attack complications and deaths.
A new preclinical study validates the spleen's role in cardiac healing and suggests targeting S1P as a potential treatment for heart failure. The study discovered interactions between S1P and the heart during transition from acute to chronic heart failure.
A study in Egypt identified significant barriers to primary PCI implementation in STEMI management, including prehospital and emergency department delays. The findings highlight the need for improvement in STEMI networks, training of interventional cardiologists, and hospital policies to enhance patient care.
Researchers developed a new imaging technique that uses light and sound to detect plaques in arteries, potentially preventing strokes and heart attacks. The technique uses nanoparticles that absorb light and emit sound waves, allowing doctors to visualize the plaques in a non-invasive way.
A new study found that 44% of micro-arteries from patients had abnormal myogenic tone, associated with excessive caldesmon presence and poor cell alignment. This abnormality affects blood supply within the heart and other organs, impacting quality of life and life expectancy.
A Kaiser Permanente study of over 31,000 heart attack patients in Southern California revealed significant racial disparities in long-term survival. Black patients from lower-resourced neighborhoods were more likely to die within 5 years after a heart attack compared to white patients, regardless of healthcare access.
Researchers at Temple University are conducting a 5-year study to compare two approaches for reducing heart disease risk factors in Black birthing people. The study aims to eliminate disparities in heart disease among Black women and birthing people during and after pregnancy.
A recent study published in BMC Medicine found that drinking moderate amounts of alcohol daily can decrease the risk of heart attacks, strokes, angina, or death among individuals with cardiovascular disease (CVD). Those who consumed between six and eight grams of alcohol per day had significantly lower risks compared to non-drinkers.
Research found that patients with ICDs who increased physical activity outside of cardiac rehab experienced fewer hospitalizations and lower death rates, with every 10 minutes of added activity reducing death risk by 1.1%
A drug candidate developed from a molecule in the venom of the Fraser Island funnel web spider can prevent damage caused by a heart attack and extend donor heart life for organ transplants. The treatment blocks a death signal sent from the heart after an attack, reducing cell death and improving survival.
Scientists have developed a minimally invasive exosome spray that helped repair rat hearts after myocardial infarction, outperforming traditional injection methods. The spray lasted longer and healed injuries better than injected exosomes, with promising results for heart repair
Researchers found modest increases in heart attack hospitalization rates in younger women and men aged 15-34 years, with possible links to more sensitive diagnostic tests. Rates had declined since the 1980s but remain high, prompting continued surveillance and preventive strategies.
A new study found that supplementing testosterone significantly reduces heart attacks and strokes in men with unnaturally low hormone levels. The 10-year study involved over 800 men from Germany and Qatar, showing a 25% reduction in risk for those under 55 and a 15% reduction for those over 60.
A study from the University of Gothenburg and Oxford found that early blood sugar control in type 2 diabetes significantly impacts future heart attack and death risks. Targeting levels below 52 mmol/mol reduces mortality risk by 20%, while delayed control offers only a 3% benefit.
A new study found that rudeness can have deadly consequences by increasing negative emotions and leading to biases in judgment. Researchers suggest that organizations can take steps to reduce rudeness by training employees to use perspective-taking and information elaboration skills.
Research shows aspirin can reduce ischemic stroke and myocardial infarction risk by 36% in pneumonia patients. Aspirin also lowers MI rates by 54%, providing potential preventive role for primary care settings.
A new study found that young South Asian heart attack patients are more likely to be obese and use tobacco products. The study also revealed a higher prevalence of family history of heart disease and abnormal lipids in this patient population. Targeting modifiable risk factors, creating awareness, and decreasing system delays can help ...
Researchers develop a promising surgical technique called SurCOP to repair ventricular septal rupture (VSR) after severe heart attacks. The technique achieved a 100% success rate and improved survival rates by 77.8%, offering new hope for patients with life-threatening fluctuations in blood pressure.
A new study published in the American Heart Association's Circulation journal found that young adults who regained cardiovascular health had a lower risk of heart attack and stroke. The study analyzed data from over 3.5 million adults and found that improving cardiovascular health reduced risks by 25-42%.
A new study found that individuals with metabolically healthy obesity (MHO) are at higher risk of developing diabetes, heart diseases, strokes, and respiratory diseases. Despite having a normal metabolic profile, MHO individuals face increased mortality rates compared to those with normal weight but unhealthy metabolism.
A Kaiser Permanente study found that hospitalization rates for heart attacks remained stable during subsequent COVID-19 surges, contrary to initial declines during the pandemic's onset. The research suggests effective public health campaigns encouraged people to seek care, resulting in a rebound of hospitalizations.
Researchers at Queen Mary University of London tested an algorithm on 700,000 patient records in east London to identify Familial Hypercholesterolemia, a leading cause of heart attacks in young people. The 'FAMCAT' algorithm analyzes GP data and family history to predict who may be at risk.
A new study led by Washington State University researchers has identified protein kinase A (PKA) as a potential target for improving treatment outcomes after a heart attack. The research suggests that PKA plays a role in heart muscle cell necrosis, a major type of cell death that commonly occurs after reperfusion therapy.
Researchers from the University of Tsukuba have demonstrated the direct conversion of scar tissue cells to heart muscle cells in mice after a heart attack. This breakthrough finding suggests that fibroblasts can be directly reprogrammed into cardiomyocytes, potentially preventing heart failure and death.
A new study by the Family Heart Foundation found that COVID-19 increases heart attack rates in individuals with familial hypercholesterolemia and established atherosclerotic cardiovascular disease. The study analyzed data from 55 million individuals and confirmed that COVID-19 worsens cardiovascular outcomes.