A new study suggests that even moderate physical exertions can lead to dangerous shortages in blood supply to the heart, increasing the risk of a heart attack. The research found that routine daily activities such as driving, housework, and yard work can trigger ischemia, a condition characterized by a sudden stoppage of blood flow.
A study suggests that changes in temperature and atmospheric pressure may increase the risk of heart attack in men. Research found a significant association between extreme weather conditions and fatal and nonfatal heart attacks, particularly among those with previous heart attacks.
A recent study found that high levels of inflammation can impede the effectiveness of clot-busting treatment after a heart attack. Individuals with elevated C-reactive protein levels had slower responses to thrombolytic therapy, resulting in delayed revascularization and increased damage to the heart.
A 12-year study of doctors found that men who ate a diet rich in nuts had a decreased risk of dying from heart disease. In another study, people eating an oat-rich diet had lower blood pressure and reduced cholesterol levels.
The REACT trial found a median delay of 2.2 hours, far lower than most U.S. studies have found, indicating an improvement in patients seeking care earlier. This decline is attributed to increased awareness and education about heart attack symptoms and the need for rapid action.
A new study by Merrill F. Elias and colleagues found that individuals with one or more risk factors for heart disease, such as diabetes, obesity, and smoking, are more likely to experience cognitive decline, including memory and learning impairments.
A study suggests that adding 4 cents to ticket prices in professional sports venues could cover the cost of automated external defibrillators and training staff, potentially saving thousands of lives. The estimated annual attendance at major league football, basketball, baseball, and hockey games is over 120 million.
A new study reports a significant increase in rheumatic fever cases in the Utah area, with over two-thirds of patients showing no history of sore throat. The disease, which can lead to permanent heart valve damage, is on the rise again, sparking concerns among medical professionals.
Researchers find that a protein called Rb can keep heart cells 'dormant', preventing them from dividing and causing damage. By activating a related protein MRP1, scientists hope to induce heart cells to multiply and replace damaged ones, offering new gene therapy possibilities for treating heart disease.
Researchers have successfully tested an implantable device called Atrioverter to treat atrial fibrillation, a condition that can lead to stroke. The device restored normal rhythm in 96% of treated individuals, offering a new treatment option for those prone to irregular heartbeats.
A new study found no significant differences between men and women in terms of in-hospital deaths and five-year survival rates after cardiac bypass surgery or angioplasty. The results suggest that the outcome for women undergoing revascularization is improving, despite previous studies showing poor outcomes.
The HERS study found that hormone replacement therapy (HRT) increased risk of non-fatal heart attacks and death in postmenopausal women with established heart disease. In the three-year follow-up, more deaths from heart disease occurred in the HRT group than in the untreated group.
A decline in deaths from congestive heart failure (CHF) has been observed among older adults in the US between 1988 and 1995. The greatest drop was seen in black adults, likely due to improved treatment strategies advocated by the American Heart Association, including earlier identification and better medication adherence.
New research suggests that US high school athletes' cardiovascular screenings are insufficient, leaving them vulnerable to potentially fatal heart problems. The American Heart Association's guidelines for screening young athletes were issued in 1996 and have not been updated since.
Researchers found a correlation between multiple cardiovascular risk factors and the severity of atherosclerosis in children and young adults. Selective screening for high-risk individuals is recommended. Healthy lifestyle choices, such as diet and exercise, are crucial to preventing coronary heart disease.
A new study reveals that body fat is significantly associated with increased blood pressure, particularly in women. Researchers found that those who gained more fat over time also experienced higher increases in blood pressure.
Research found genetic make-up plays a significant role in determining individual responses to cholesterol-lowering drugs like Lovastatin. A gene variant associated with unresponsiveness was identified, suggesting that 1 in 12 individuals may not benefit from the treatment.
A recent study published by the American Heart Association suggests that sex differences in heart disease risk may be attributed to an enzyme called hepatic lipase. Hepatic lipase activity was found to be higher in men than women, and researchers believe this enzyme plays a crucial role in lipid metabolism.
Regular cigar smokers face almost double the risk of dying from all forms of cancer combined and certain circulatory conditions, including hypertensive heart disease and cardiomyopathy. Cigar smoke contains toxins such as carbon monoxide, benzene, and nicotine, which can lead to these health risks.
A study by Deborah R. Young found that t'ai chi lowered systolic blood pressure in sedentary older adults, with significant effects seen after six weeks of exercise. The benefits were comparable to those achieved through moderate-intensity aerobic exercise.
Researchers have found a genetic component to blood clotting abnormalities that increase the tendency of forming dangerous clots on the inside lining of blood vessels. The studies suggest that genetic variations in certain genes may contribute to increased risk of heart disease and stroke.
Studies have consistently shown that long-term cigarette smoke exposure increases cardiovascular risk factors among non-smokers. Research by the American Heart Association reveals a significant association between passive smoking and higher rates of heart disease and stroke.
The American Heart Association's Epidemiology and Prevention Conference in Santa Fe, New Mexico, from March 19-21, 1998, explored innovative approaches to preventing heart disease. The conference highlighted new therapeutic targets, such as lipoprotein (a) and small dense LDL cholesterol, as well as the role of genetics in blood clotti...
A study found that individuals taking nisoldipine had a higher rate of fatal and non-fatal heart attacks compared to those taking enalapril, sparking concerns about the safety of calcium antagonists for certain populations. The American Heart Association advises against panic and emphasizes the need for consultation with physicians.
Elevated homocysteine levels in blood are associated with increased risk of heart attack and stroke. Vitamin supplementation, particularly folic acid, may lower homocysteine levels and reduce cardiovascular disease risk.
Recent studies indicate that genetic variants, such as apoE4 and LDL subclass pattern B, can significantly impact an individual's cholesterol response to a low-fat diet. Individuals with these genetic predispositions may require specific dietary modifications to effectively manage their cholesterol levels and heart disease risk.
Recent research highlights the strong influence of genes on individual variations in response to diet, influencing predisposition to obesity and atherosclerosis. Genetic analysis may lead to tailored diet plans and drug regimens for heart disease and stroke prevention.
Researchers have created mouse models with induced mutant lipoproteins to study atherosclerosis, providing insights into the genes responsible for human diseases. The study reveals that breeding prone traits onto different strains has helped identify differences in susceptibility and resistance genes.
The study used identical twins to investigate the role of genes in individual differences in response to chronic overfeeding. The results showed significant similarity within pairs for body weight, fat distribution, and insulin levels, but reduced similarity when accounting for total body fat.
A five-month public awareness campaign significantly improved people's knowledge of stroke warning signs, with a notable increase in awareness among women. In contrast, men showed little change in their understanding of stroke warning signs.
Researchers found that a vitamin supplement with folic acid, B-6, and B-12 reduced homocysteine levels and improved biochemical markers in the blood of 27 patients who had suffered a stroke. The study suggests that lowering homocysteine may have multiple biological effects on endothelial cells.
A study found that pravastatin significantly reduced the risk of stroke or ministroke in heart attack survivors by 32% compared to those who received a placebo. The medication also lowered the risk of either strokes or transient ischemic attacks (TIAs) by 27%.
The study found significant variations in stroke diagnostic tests, therapies, and patient outcomes among academic medical centers. Researchers aim to devise constructive ways to improve and standardize medical care by exploring the association between practices and desired outcomes.
Researchers predict a significant rise in stroke cases in the US, with 1 million Americans expected to experience their first-ever stroke each year by 2050. This surge is largely attributed to an aging population, which will drive an increase of 167% among men and 140% among women.
A study published in Stroke: A Journal of the American Heart Association estimates that at least 731,000 first-ever and recurrent strokes occur each year in the US, which is 40% higher than previously stated figures. The study's findings suggest that stroke affects a more diverse population than previously thought.
Acute stroke teams are becoming increasingly common, with over half costing $5,000 per year or less. The teams, led by neurologists or neurosurgeons, have been shown to improve the use of hyperacute therapies and treat strokes more effectively.
Researchers at the Brain Attack Team (BAT) are developing Tele-BAT, a system that enables remote evaluation of stroke patients via video, cellular telephone, and computer technology. This allows for faster diagnosis and treatment, as it can provide valuable information to emergency rooms before patients arrive.
A study of 80,082 female nurses over 14 years found increased folate and vitamin B-6 intake to be predictive of reduced coronary heart disease risk. The researchers suggest that lower blood homocysteine levels may account for the protection offered by these vitamins.
A study found that genetic variations in apolipoprotein E, specifically the e4 allele, are associated with an increased risk of intracerebral hemorrhage (ICH) in African Americans. ICH occurs at a younger age among African Americans compared to Caucasians, suggesting a possible genetic link.
A new laser-based procedure called transmyocardial revascularization (TMR) has been shown to improve symptoms of severe chest pain in patients with heart disease. After three months, 86% of TMR patients experienced improvement, while only 12% of those treated with medication alone saw results.
A study of nearly 4,000 heart attack patients under 65 found HMO members were almost twice as likely to die while hospitalized. The increased risk was attributed to less likelihood of receiving cardiac catheterization and PTCA procedures.
A study found a link between high blood pressure and sexual problems in premenopausal women, with difficulties in achieving orgasm and inadequate vaginal lubrication being associated with the condition. The researchers hope their findings will encourage physicians to ask about sexuality when treating patients.
A large study has found that blunt blows from baseballs, hockey pucks, and other high-velocity objects can disrupt the heart's rhythm, leading to sudden cardiac arrest in young athletes. Most victims had normal hearts and were under 16 years old at the time of their death.
A study by the American Heart Association found that casinos and airplanes are more likely to have automated external defibrillators (AEDs) than primary-care physicians' offices. The devices were found on firetrucks, police cars, and in some airlines, but only six out of 51 offices had a defibrillator.
A study found that moderate alcohol consumption cuts the risk of death from a second heart attack in men who already had one. Men who drank light to moderate amounts reduced their risk by 20-30% compared to non-drinkers. However, heavy drinking poses significant health risks.
Researchers are testing a robotic port-access technique to assist in bypass surgery, aiming to reduce scarring and hospital stays. The technique uses miniature instruments inserted through small incisions, allowing for precise movements and real-time monitoring.
Researchers found high levels of proinflammatory cytokine TNF in individuals with congestive heart failure (CHF), which can damage the heart. Inhibiting TNF through treatment improved patients' signs and symptoms of cardiac failure, including exercise tolerance and heart pumping ability.
Researchers found that frequent vigorous exercise reduces heart attack risk, with the greatest benefit seen in men who exercised five or more times a week. The study of over 22,000 physicians suggests that shorter exercise periods may also be beneficial for heart health.
A study found that women, minorities, elderly, and those with severe heart attacks are less likely to receive clot-busting drugs and other medical procedures. Strong regional variations were also observed in the use of these therapies.
Researchers found that men with the highest amounts of iron stored in their bodies had almost three-times the number of heart attacks than men with less iron. The American Heart Association states additional research is needed to prove iron's role in heart disease before screening can be recommended.