Articles tagged with Myocardial Infarction
A randomized controlled trial found that high-dose tirofiban improved ST-segment resolution and clinical outcomes for STEMI patients undergoing primary coronary angioplasty. The study showed lower overall mortality and less urgent repeat PCI in the tirofiban group.
A recent study published in Obesity found that having excess fat around the heart may increase the risk of heart attacks. Researchers discovered that the volume of pericardial fat was related to the development of calcified coronary plaque, a marker for increased cardiovascular risk.
A new study found that a protein produced by fat cells may increase the risk of heart attack in older adults. Adiponectin levels were associated with a higher risk of heart disease events, particularly among those with high levels.
A new study published in the Emergency Medicine Journal found that emergency room doctors correctly identify patients with heart attack symptoms even when laboratory tests have not yet confirmed it. The study analyzed data from over 4,000 patients and showed that physicians are relying on their clinical impression to diagnose heart att...
Researchers found that the apolipoprotein B100 (ApoB)/apolipoprotein A1 (Apo A1) ratio was almost twice as powerful a predictor of heart attack risk as traditional cholesterol ratios. This discovery could lead to improved cardiovascular disease prevention and treatment strategies.
A new study published in Annals of Family Medicine found that optimistic perceptions of cardiovascular risk are associated with a three times lower incidence of death from heart attacks and strokes among men. However, the study did not find a similar association among women.
A study found that patients with chronic kidney disease (CKD) or end-stage renal disease (ESRD) were less likely to use recommended medications after a heart attack, but 1-year adherence rates were similar for both groups. Rates of medication use varied significantly among different types of drugs.
A meta-analysis of randomized trials suggests that an invasive treatment strategy is associated with reduced risk of rehospitalization, heart attack, or death in men and high-risk women with certain coronary syndromes. However, low-risk women may have an increased risk of heart attack or death with this treatment.
A study found that drug-releasing stents decreased the need for repeat revascularization procedures by approximately 18% compared to bare-metal stents. The risk of death or heart attack also showed a small decrease, but no significant difference in overall mortality rates.
Two studies in the FASEB Journal describe key findings on atherosclerosis, including the role of ROCK1 protein in reducing inflammation. Targeting lipid mediators and mechanisms used to make them could lead to new anti-atherosclerosis therapies.
Research by Mayo Clinic found that people with lower incomes and education levels are more likely to die after a heart attack. The study analyzed data from 705 patients treated for heart attack between 2002 and 2006, showing survival rates were lowest for those with the lowest income and education.
A multicenter, randomized, double-blind study found that Chinese red yeast rice reduced the risk of repeat heart attacks and cardiovascular mortality by one-third. The study showed a significant reduction in cancer mortality as well.
Research suggests that low levels of vitamin D are associated with a higher risk of heart attack in men. A study of 454 men found that those with vitamin D deficiency had an increased risk compared to those with sufficient levels.
Researchers at Mayo Clinic found that heart patients who met regularly with cardiac 'disease managers' for three years had better control of risk factors and lower death rates. The approach demonstrated clear clinical benefits, including improved cholesterol levels, blood pressure, and medication compliance.
A study by UT Southwestern Medical Center has linked amphetamine abuse to a higher risk of heart attacks in young adults. Researchers analyzed data from over 3 million people and found a significant correlation between amphetamine abuse and heart attack diagnoses.
Computed tomography angiography (CTA) is a quicker and cheaper way to screen patients with chest pain for low-risk cardiac problems. Studies show CTA can accurately identify safe patients for discharge, reducing hospital admissions and testing costs.
A new calcium scoring method takes into account plaque distribution to predict heart attack risk, showing a significant association between diabetes and increased coronary artery calcification. The study found that the location of calcium in arteries is crucial in estimating patient risk.
The HORIZONS-AMI trial shows that bivalirudin reduces adverse clinical events by 24%, mortality by 33%, and cardiac mortality by 38% compared to heparin and GPI in heart attack patients. This is the largest study ever to focus on anticoagulant medications in STEMI patients undergoing primary PCI.
The HORIZONS AMI trial found bivalirudin significantly reduces major bleeding and cardiovascular events in STEMI patients undergoing angioplasty. The study showed a 24% reduction in net adverse clinical events and a 33% decrease in overall mortality at 30 days.
A study published in Archives of Internal Medicine found that heart attack patients with acute kidney injury have a persistent risk of death after hospital discharge, with no significant decrease over time.
A major study found that beta-blockers like metoprolol may increase the risk of death and major stroke in patients undergoing non-cardiac surgery. The POISE trial showed that while metoprolol reduces heart attack risk, it increases stroke and death risk, highlighting the need for caution in its use around surgery time.
A randomized trial found patients given beta-blockers after non-cardiac surgery had a higher risk of death or stroke compared to those given placebo, while having a lower risk of non-fatal heart attacks. However, these medications may not outweigh the increased risk of cardiovascular complications.
A carotid bruit, a 'sound' over the carotid artery indicating blockage, substantially increases the risk of cardiovascular death and heart attack. The meta-analysis of 22 studies found patients with carotid bruits were around twice as likely to suffer a heart attack.
Researchers found that darapladib safely and effectively lowers Lp-PLA2 activity, an enzyme associated with inflammation and increased risk for heart attack and stroke. The drug may reduce plaque inflammation and lower rates of clot formation among patients with coronary heart disease.
Researchers have discovered that TPO, a naturally occurring protein, can protect the heart against damage during a heart attack. The study found that administering a single dose of TPO to rats decreased permanent muscle damage and increased heart function after a heart attack.
A new study reveals that women are more likely to experience atypical symptoms such as nausea and jaw pain during a heart attack, leading to delayed treatment. Women were also less likely to receive life-saving treatments like beta blockers, statins, and angioplasty compared to men.
Researchers found that young women with heart attacks often misattributed their symptoms to fatigue or other conditions, failing to connect them with a heart condition. The study suggests that there are large gaps in understanding the symptoms and reasons for delaying prompt care among this age group.
A JAMA study found that hemoglobin-based blood substitutes are associated with a 30% increased risk of death and a 2.7 times increased risk of heart attack in patients. The researchers argue for stricter regulations on the development of these products to prevent future safety concerns.
A study found that India will account for 60% of the world's heart disease burden by 2010, with a higher rate of severe cases among younger patients. The country also has a lower age at diagnosis compared to developed countries.
The study found that angiographic in-segment late loss was significantly less in the everolimus-releasing stent group compared to the paclitaxel group. The use of everolimus stents resulted in a significant reduction in composite major adverse cardiac events at 9 months and 1 year.
A recent study published in Circulation: Journal of the American Heart Association found that patients admitted with heart attacks during off-hours receive slower and less comprehensive care. Despite this, there is no significant difference in in-hospital death rates between those arriving during regular hours and off-hours.
Researchers developed a nano-bio-chip device that analyzes saliva to detect proteins associated with heart attack, offering a non-invasive and rapid diagnostic tool. The test can identify current heart attacks and predict future risk, potentially saving lives and preventing damage from cardiac disease.
Scientists at the University of North Carolina at Chapel Hill found that not all heart cells respond equally to the same cue before differentiating. This discovery may lead to advances in understanding and treating congenital heart disease and heart attacks by identifying multiple types of heart cell progenitors.
A new study suggests that minimally invasive carotid stenting is as effective as open surgery in preventing strokes among high-risk patients. After three years, patients who underwent stenting had similar rates of stroke, heart attack, or death compared to those who received traditional open surgery.
Dr. Criley developed the paramedic model in 1969, training firefighters to provide emergency care to heart attack victims. The program was later adopted nationwide, thanks in part to a TV show about it, and continues to save lives today.
A study published in The Lancet found that recent use of abacavir and didanosine was associated with an increased rate of heart attacks, while cumulative use showed no association. The researchers suggest underlying biological mechanisms may be responsible for the increased risk.
Researchers found that survival rates were similar between households with an AED and those without, despite underuse of AEDs. The study suggests that both AEDs and CPR are crucial in responding to sudden cardiac arrests at home.
A JAMA study found that using MC-1 before and after CABG surgery did not lower the risk of heart attacks or cardiovascular deaths. The treatment showed no benefit in any subgroup or other outcomes.
The study found that clopidogrel reloading significantly improves clinical outcomes without increasing the risk of bleeding, particularly in patients with acute coronary syndromes. Clopidogrel reloading reduces the combined risk of death, heart attack or repeat coronary procedure by nearly two-thirds in these patients.
Researchers found that people with diabetes have the same high risk for heart attack or stroke as those who've already had a heart attack. The study suggests that all patients with diabetes receiving glucose-lowering treatment are at a particularly high risk of cardiovascular death and disease, regardless of sex and diabetes type.
The study found that the Excel stent is associated with a low incidence of cardiovascular complications, and six months of dual-antiplatelet therapy appears to be feasible and safe. The results showed an overall rate of major cardiovascular complications of 2.77%, including cardiac death, heart attack, and repeat coronary procedure.
A study published in JAMA found that high-dose tirofiban had similar outcomes to abciximab in reducing ST-segment elevation after angioplasty. Additionally, sirolimus-releasing stents reduced major adverse cardiac events by half compared to uncoated stents.
A Mayo Clinic study found that 82% of retired NFL players under 50 had abnormal artery narrowing and blockages. The researchers emphasize the need for regular cardiovascular screening in football players to prevent serious cardiovascular events.
A new study found that brief, high doses of folate in rats reduced muscle tissue damage and scarred areas after a heart attack. Researchers believe folate acts as an energy reserve for the heart, providing needed energy during a blocked artery.
A UCI-led study found that coronary calcium detection is a significant predictor of heart attack and disease for diverse groups. The non-invasive procedure uses CT scanning to detect calcium deposits in coronary arteries, which can be valuable for promoting overall cardiac health.
Researchers at Thomas Jefferson University have identified a crucial signaling protein Gi that protects the heart during a heart attack. Blocking this protein increases heart damage in genetically engineered mice experiencing heart attacks.
A study published in Neurology found that Hispanics with even small amounts of plaque build-up in the carotid artery are up to four times more likely to suffer or die from a stroke or heart attack. The study also highlights the importance of measuring plaque thickness by ultrasound as a simple tool for guiding stroke prevention therapies.
A study led by Massachusetts General Hospital confirms that a combination of gene variants associated with cholesterol levels reflect patients' cholesterol levels and increase risk of heart attack, stroke, or sudden cardiac death. The study's findings provide a foundation for personalized medicine and may lead to the development of mor...
Researchers at Karolinska Institutet have discovered a network of genes that lower blood cholesterol levels and prevent the development of atherosclerotic plaques. The findings suggest that targeting these genes could be an effective way to combat atherosclerosis, the main cause of myocardial infarction and stroke.
Researchers at OHSU and Washington University have identified the mechanism of a bioengineered enzyme that functions efficiently as a potent clot busting agent, retaining minimal power to cause clot building. The breakthrough could lead to a safe alternative for treating heart attacks and strokes with a $20 billion market potential.
Researchers at the University at Buffalo found that up to 20% of patients taking aspirin for stroke and heart attack prevention do not respond to the medication, leading to increased risk of clinical failure. The study also identified factors associated with aspirin resistance, including younger age and underlying vascular disease.
Researchers found that calling a doctor's office instead of 9-1-1 can delay patients from reaching the emergency room during the critical three-hour window for acute stroke treatment. Calling an emergency number or ambulance is the quickest way to receive timely treatment and potentially avoid serious post-stroke disability.
Researchers at University of Kentucky discovered that aliskiren, a new blood pressure medication, significantly reduces artery-clogging lesions and lowers blood pressure. The study's findings contribute to the understanding of the underlying disease causing heart attack and stroke.
Researchers found that smokers with a CETP gene defect are at higher risk of an early onset of heart disease due to decreased HDL levels. Smokers who carry this variant experience a heart attack around age 52, while those without it have similar risks as non-smokers.
After Italy's comprehensive smoking ban in 2005, acute coronary events among adults decreased significantly, particularly in younger age groups, with a 11.2% reduction for those aged 35-64 and a 7.9% decrease for those aged 65-74.
A study by the University of Copenhagen found that HIV medications Abacavir and Didanosine significantly increase the risk of heart attacks in patients. The risk is higher for those with pre-existing cardiovascular conditions, but can be mitigated by stopping use of these drugs.
Researchers at Duke University Medical Center tested the novel drug KAI-9803 in a clinical trial, finding promising signs of beneficial activity. Early data suggest that KAI-9803 may limit damage caused by reperfusion injury following PCI.
A new technique for treating patients with myocardial infarction uses a thrombectomy procedure to remove blockages and improve blood flow. This approach has shown promise in reducing the risk of further obstructions and improving clinical outcomes.
A protein called macrophage migration inhibitory factor (MIF) has been found to activate AMPK, a key regulator of cellular energy balance, protecting the heart from injury during a heart attack. MIF may help identify individuals at higher risk for cardiac damage during a heart attack based on their genetic characteristics.
A recent UMass Medical School study found that over 80% of patients diagnosed with coronary heart disease do not improve their diet one year after diagnosis. The study used the Alternative Health Eating Index to assess dietary quality and found that only a small percentage of patients met recommended daily intake levels for fruits, veg...