Articles tagged with Myocardial Infarction
A team of researchers has found that transplanting sheets of clonally expanded heart cells improves heart function after a heart attack in mice. The cells secreted a molecule that induced the migration of endothelial cells and prevented oxidative stress, leading to improved heart function.
Researchers found that inhibiting Nox4 substantially inhibits hemangioma growth in a mouse model, while transplantation of cardiac progenitor cells improves heart function after myocardial infarction. Additionally, IL-17 and IL-22 play a crucial role in protecting individuals from developing kala azar, a lethal parasite disease.
A study published in the Clinical Journal of the American Society Nephrology found that dialysis does not affect the heart health of kidney disease patients who have had a heart attack. Researchers identified predictors of high risk, such as potassium levels and patient condition severity.
A study published by UCSF researchers found that bone marrow extract is as effective as bone marrow stem cells in improving cardiac function, decreasing scar tissue, and pumping capacity after a heart attack. Both therapies resulted in increased blood vessels and reduced cardiac cell death, showing promise for new treatments.
A large study found that stroke survivors experience a decline in functional ability over five years, with those having Medicaid or no private insurance showing the greatest decline. Factors such as age, diabetes, and severe stroke severity also contribute to this decline.
A new study by Dr. Thao Huynh analyzes the best way to treat patients with heart attacks, suggesting that reducing delays in providing primary PCI can maximize its effectiveness. The study also highlights the importance of optimal medical therapy after discharge to prevent repeat heart attacks.
A new study suggests that transferring heart attack patients to specialized hospitals for angioplasty within six hours after clot-busting drugs significantly improves outcomes, reducing repeat heart attacks and serious cardiac complications by 36%. Patients who received earlier angioplasty also had lower rates of chest pain and second ...
A recent study published in PLOS Medicine reveals that inflammatory markers are more strongly associated with fatal than nonfatal cardiovascular events in elderly individuals. The study found that elevated levels of IL-6 and other inflammatory markers were linked to a higher risk of fatal heart attacks and strokes.
The study found that oral rivaroxaban reduced the risk of death, heart attack, or stroke by 21% compared to placebo, with a lower risk of clinically significant bleeding. The medication inhibits factor Xa and has been shown effective in preventing venous thromboembolism.
Alan Davison, Alun G. Jones, and Michael J. Abrams discovered a new class of technetium complexes that showed localization in cardiac tissue after intravenous administration, leading to the development of myocardial perfusion imaging agents. Their work has enabled millions of people to receive better diagnosis and treatment for heart c...
A genetic analysis found that high levels of lipoprotein(a) are associated with an increased risk of heart attack, even after adjusting for other factors. The study suggests that reducing lipoprotein(a) levels may help lower the risk of heart attack.
Half of myocardial infarction patients report onerous fatigue four months after the event, with depression symptoms also common. Patients' perceptions of their illness play a crucial role in determining prognosis and treatment effectiveness.
Patients with both obesity and diabetes face a significantly worse prognosis, with effective treatment being
Aspirin use in primary prevention reduces non-fatal heart attacks by around 12%, mainly due to reduced risk of non-fatal heart attack. However, it also increases the risk of internal bleeding by around a third in healthy individuals.
Researchers found that glucocorticoids induce production of PGD2, which protects rodent hearts from ischemia/reperfusion injury. Synthetic glucocorticoids may be more beneficial for humans following a heart attack than traditional ones.
A new study comparing three different types of aspirin has found that chewable aspirin consistently shows greater and more rapid absorption, potentially leading to improvements in heart attack care. Researchers measured blood levels of aspirin after administering regular and chewed aspirin to volunteers.
A landmark follow-up study found that ICDs reduce the risk of death from any cause by 37 percent in heart attack survivors, translating to 1.2 life-years saved, and greatly amplifying their value as a chronic therapy.
A meta-analysis of studies on aspirin therapy found a 12% reduced risk of nonfatal stroke in patients with peripheral artery disease, although this finding was not statistically significant. Aspirin monotherapy was also associated with a lower risk of nonfatal stroke, but no significant reductions were seen in other cardiovascular events.
A study found African-Americans at greater risk after PCI with significantly worse outcomes, despite researchers' efforts to provide optimal care. Possible explanations include delayed treatment, advanced coronary disease, and poor medication adherence.
Two studies show that women who undergo angioplasty for heart attacks are often older, in poorer condition, and have delayed recognition of symptoms. As a result, they face twice the likelihood of procedural failure and an increased risk of death compared to men.
Researchers have identified a specific gene and protein that contribute to the development of deadly arterial plaques. Deleting this gene in mice resulted in smaller, less unstable plaques. The study suggests that therapies targeting cellular stress may be useful in treating heart disease.
Certain patients with heart attack who experience abnormal heart rhythms before or after a coronary artery intervention have a significantly higher risk of death within 90 days. VT/VF episodes were more common in late catheterization and associated with lower blood pressure, higher heart rate, and lack of beta-blockers.
Researchers found that heart attack patients who develop serious arrhythmia during procedures face a significantly higher risk of death for several months after the procedure. The study suggests that these episodes complicate outcomes and affect a patient's chance of a successful outcome.
Researchers found that men with highest increase in heart rate during mild mental stress had twice the risk of dying from a heart attack. The study suggests cheap and easy ways to predict who might be at risk, using pulse measurement as a prognostic marker.
Patients with cardiac health problems are trialing a new, home-based rehabilitation system that uses mobile phone and web technology to promote healthy lifestyles. The program aims to improve access and completion rates for cardiac rehabilitation, with personalized goals and support via text messages and video conferencing.
A study published in the Biophysical Journal has discovered a method to predict heart attacks by measuring electrical activity coupling between two types of heart muscle cells. This can help doctors and patients buy time before an attack occurs.
Postmenopausal women who breastfed for at least a month had lower rates of diabetes and high cholesterol. Longer durations of breastfeeding resulted in significant reductions in heart attack risk, with those nursing for over a year being 10% less likely to develop cardiovascular disease.
Researchers at Duke University Medical Center used new imaging technology to discover nearly 200,000 people in the US suffer 'silent' heart attacks each year. These unrecognized myocardial infarctions are linked to a surprisingly high risk of untimely death and may be more common than previously believed.
A study found that consuming fructose-sweetened beverages increased intraabdominal fat and decreased insulin sensitivity, while glucose-sweetened beverages had no significant effects. This suggests that fructose may be more detrimental to health than glucose.
A new study published in the Journal of the American College of Cardiology: Cardiovascular Interventions found that organized STEMI networks consistently provide the fastest treatment of acute heart attacks, with 86% of patients receiving skilled coronary intervention within 90 minutes. This improvement surpasses the American College o...
The UCLA center aims to prevent second strokes in survivors by exploring innovative models of care and neighborhood interventions that reduce risk factors. Researchers will collaborate with community partners on studies to develop effective preventive treatments.
Researchers created a new method to estimate bleeding risk for heart attack patients using eight basic medical facts. The CRUSADE bleeding score assigns points to each factor, ranging from very low to high risk of bleeding.
A study found that screening patients with type 2 diabetes for coronary artery disease (CAD) did not significantly reduce the rate of heart attacks or cardiac death. However, participants with normal results had lower event rates than those with abnormalities, suggesting the importance of appropriate diagnostic evaluation.
Researchers at UT Southwestern Medical Center found that the protein Thymosin beta-4 initiates migration of heart cells and blood vessel growth after a heart attack, encouraging new growth and repair of damaged heart cells. The molecule affects developmental gene expression as early as 24 hours after systemic injection.
Telemonitoring is being integrated into cardiac nursing practice to improve heart failure management. The technology enables nurses to remotely monitor patients' vital signs and provide guidance on lifestyle changes and medication.
A University at Buffalo study reveals that two oral pathogens, but the total number of germs, are associated with an increased risk of heart attack. The study found that patients harbored more periodontal bacteria than controls, and that an increase in the number of different species also elevated heart attack odds.
Researchers found that treating patients with their own bone marrow stem cells after a heart attack increased circulation within the heart. The study showed that higher doses of cells led to greater improvement in blood flow, but results for cardiac function were not significant.
The study found that administering eptifibatide in the emergency room or during procedures to open blocked arteries does not significantly affect patient outcomes for those at high risk of complications after a heart attack. Researchers also noted an association between earlier use of eptifibatide and non-life-threatening bleeding.
Researchers at Duke University Medical Center discovered a missing enzyme that can resist the normal effects of a heart attack, allowing mice to retain nearly normal heart function. The findings suggest a potential therapy for stimulating blood vessel growth and preventing future attacks.
Research suggests that air pollution is a significant contributor to heart disease, particularly among the elderly, those with coronary artery disease, diabetics, women, and obese individuals. Exposure to particulate matter can increase blood pressure, activate enzymes that cause plaque rupture, and lead to a heart attack.
A study of over 1,000 CAD patients found that high PLTP levels increased the risk of heart attack in statin users. Elevated PLTP levels may blunt statin benefits, according to researchers.
Researchers estimate that around 6.5 million older adults with low cholesterol and high C-reactive protein levels might benefit from statin therapy to prevent cardiovascular events. Expanding prescribing criteria to include CRP levels could potentially prevent thousands of heart attacks, strokes, and deaths each year.
The USPSTF updated its guidelines to recommend aspirin use for primary prevention of heart attack and stroke in specific age and gender groups. The task force emphasizes the importance of discussing the benefits and risks of daily aspirin use with patients, particularly those between 45-79 years old.
The US Preventive Services Task Force (USPSTF) recommends taking aspirin in at-risk patients to prevent heart attacks and strokes. However, the quality of care in nursing homes remains suboptimal, and creating a specialized physician training program may help address this issue.
Researchers at Thomas Jefferson University identified a novel signaling pathway mediating aldosterone production, which promotes heart failure. Blocking beta-arrestin-1 could lead to lower aldosterone levels and alleviate negative remodeling processes in the injured heart.
A German study found that people who have had a heart attack are more than three times as likely to have been in traffic within an hour of their symptoms. Driving or riding in heavy traffic poses an additional risk of eliciting a heart attack, especially for females, elderly males, and those with a history of angina.
Researchers found that up to 45% of individuals without known heart disease had abnormal ankle brachial index values, indicating peripheral arterial disease. This could improve cardiovascular risk prediction and identify high-risk patients for intensive medical therapy.
Two studies found that SOX9 renders melanomas sensitive to retinoic acid, stopping tumor growth and offering new hope for effective treatment. Additionally, researchers identified two enzymes crucial for ureter-bladder connection during development, which may hold key to treating congenital anomalies.
Researchers found a link between CaM kinase II inhibition and reduced inflammatory gene expression in heart muscle cells. Inhibition of CaM kinase II protected mice from heart damage, highlighting a potential new treatment target.
Research identifies elderly patients with multiple cardiovascular risk factors as higher risk for stroke and heart attack after IVIg treatment, while those with fewer risk factors have lower likelihood. The study provides guidance for physicians counseling patients on IVIg treatment risks.
A new study in Annals of Internal Medicine found that patients connected to a specific primary care physician are more likely to receive guideline-consistent care than those without a connection. Researchers also discovered that connectedness was associated with smaller disparities in screening rates, but not race or ethnicity.
Researchers found increased PAI-1 expression in the heart of mice with diabetes leads to profibrotic effects, including increased fibrosis and functional derangements. This link may contribute to the high incidence of heart failure after myocardial infarction in people with diabetes.
Researchers found clusters of genetic markers linked to early heart attack risk, including nine genes associated with increased MI risk. The study suggests new gene sites affecting coronary heart disease and early heart attack risk, with potential for earlier intervention.
A study by UC Irvine researchers found that individuals with high systolic and low diastolic blood pressures are at a greater risk of heart attack and stroke. The combination of these two blood pressure components is a superior predictor of future adverse cardiovascular events.
A new study by Duke University Medical Center reveals that delayed treatment for heart attacks using drugs alone is as effective as treatment with stents, offering a cheaper and less invasive option. The research found modest benefits in reducing chest pain but no long-term quality of life difference between the two approaches.
A new study has found a potential link between a gene variant and the risk of stroke and heart attacks in women who experience migraines. Women who carried certain genotypes were found to be at double the risk of stroke and heart attacks, while those with other genotypes were not. Further research is needed to confirm these findings.
Researchers have identified novel genetic markers associated with an increased risk of heart attack, which are more than twice as great in individuals carrying multiple genetic markers. The study found that genes on chromosomes 3 and 12 play a crucial role in cardiovascular biology.
Scientists have identified a shared genetic predisposition between aggressive periodontitis and myocardial infarction, with a common genetic variant on chromosome 9. This discovery highlights the importance of considering periodontitis as a potential risk factor for cardiovascular disease.
A new critical care pathway, ACSETS, was implemented at four western New York hospitals to improve treatment and outcomes for patients with acute coronary syndrome. The study found that ACSES patients had a 19% lower mortality rate one year after discharge compared to pre-ACSES patients.
Researchers found that half of men with high cotinine levels lived with a partner who smoked, increasing their risk of heart attacks. Despite declining smoking rates in the UK, living with a smoker remains a significant risk factor for non-smokers.