Articles tagged with Myocardial Infarction
A study finds that extreme heat is associated with a significant increase in cardiovascular mortality, particularly among men and non-Hispanic Black adults. The researchers analyzed data from over 3,100 counties in the US and found that each additional day of extreme heat was linked to an average of 600-700 additional deaths per year.
Researchers developed an AI algorithm that can measure coronary plaque buildup in five seconds, predicting heart attack risk within five years. The tool was trained on images from 921 people and matched results with invasive tests considered highly accurate.
A study published in the American Heart Association's Hypertension Journal found that a significant rise in blood pressure upon standing may identify those with a higher risk of serious cardiovascular events. Young adults with untreated stage 1 hypertension who experienced an exaggerated blood pressure response to standing were five ti...
Researchers at the University of Ottawa developed a spray-on technology using customized nanogold and peptides that can restore heart function and electrical conductivity in damaged hearts. The therapy showed promising results in lab mice, with no off-target organ infiltration by tiny gold particles.
A new study found that nearly half of over-35s lack confidence in recognizing cardiac symptoms during strenuous exercise. The survey of 153 Masters football players aged ≥35 years highlights the importance of education and knowledge in mitigating serious cardiac risk.
A study of insurance claims data found that state laws governing opioid prescribing had a negligible effect on opioid prescribing trends. The authors suggest that shifting clinical guidelines, professional norms, or other factors may be driving the decline in opioid prescribing. In contrast, a post-hoc analysis of an ASPREE trial found...
Dr. Zhiqiang Lin has been awarded a $3.2 million NIH grant to investigate the roles of YAP and IRF2BP2 in the cardiac innate immune response, with the goal of reducing cardiac inflammation and promoting heart recovery after a heart attack.
The International Lipid Expert Panel recommends a step-by-step approach to diagnosing and managing muscle symptoms caused by statins. The 'nocebo/drucebo' effect, where patients experience side effects due to expectation, affects up to 70% of diagnosed statin intolerance cases.
Researchers at Michigan Medicine found that a medium-chain fatty acid called octanoic acid can reduce further injury and improve heart function after a heart attack. This discovery could lead to the development of a new therapy to treat heart attacks, targeting the interplay between energy metabolism and epigenetics.
A large study found a significant link between salt-containing paracetamol and an increased risk of heart attacks, stroke, and death. Patients with high blood pressure who took sodium-containing paracetamol had a higher risk of cardiovascular disease and death compared to those taking non-sodium-containing paracetamol.
Researchers from Tel Aviv University found that hyperbaric oxygen therapy (HBOT) relieves PTSD symptoms in treatment-resistant veterans, improving brain function and microstructure. The breakthrough study provides new hope for PTSD sufferers, offering an objective diagnostic tool and potential long-term improvements.
A study of 2,800 adults aged 75+ found that severe financial strain increased the risk of death in the six months following a heart attack. The research highlights the importance of addressing financial stress for older adults with cardiovascular disease.
A large-scale study of 400,000 adults in the UK Biobank found no evidence that eating vegetables reduces the risk of cardiovascular disease. The researchers controlled for various confounding factors and found that any apparent effect was largely due to residual confounding.
A preclinical study identified a protein complex critical for regulating apoptosis and necroptosis. Inhibiting this complex may help prevent excessive cell death and tissue damage associated with heart attacks, autoimmune disorders, and COVID-19. Researchers believe that targeting the PPP1R3G/PP1γ pathway could lead to new treatments f...
Researchers found that heart attack survivors were less likely to develop Parkinson's disease over a 21-year follow-up period. The study adjusted for various factors and found an inverse relationship between heart attacks and Parkinson's risk, suggesting cardiac rehabilitation should focus on preventing other cardiovascular diseases.
Patients with severe coronary artery calcium have a significantly increased risk of major adverse cardiovascular events during thoracic radiation therapy for non-small cell lung cancer. The study found that patients with severe coronary artery calcium had a 21.4 times increased risk compared to those with no coronary artery calcium.
Researchers found that participants who had a heart attack experienced significant cognitive decline several years later. The study suggests that managing risk factors to prevent a heart attack may also help slow cognitive decline.
Researchers have discovered a new method to predict heart attacks by analyzing the gene expression of foamy macrophages, revealing a person's cardiovascular health. The study found that foamy cells can be both beneficial and detrimental depending on their behavior in individuals with certain conditions.
Hospitalizations for hypertensive crises more than doubled between 2002 and 2014, despite reports of overall progress in blood pressure control. The study found that women had similar hospital mortality rates to men, but with a higher risk of dying during a hypertensive crisis.
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...
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.
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 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.
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...
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 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 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.
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.
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 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.
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.
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.
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.
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 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.