Articles tagged with Heart
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Research found that sports-associated cases of sudden cardiac arrest were more likely to be witnessed and involved CPR, with a higher rate of survival. The study suggests targeted education can maximize safety and acceptance of sports activity in middle-aged individuals.
The TRMM satellite provided a remarkable image of Super Typhoon Maysak, revealing an eye wall replacement cycle in progress. The storm's intensity is characterized by near-perfect symmetry around the center, with maximum sustained winds estimated at 140 knots.
A team of investigators has developed the first fully implantable micropacemaker for fetal use, which has received FDA approval as a Humanitarian Use Device. The device is designed to treat fetuses with complete heart block, a condition that significantly slows the heart rate and impairs its ability to pump blood.
A new risk score called Globorisk predicts 10-year heart disease and stroke risk for individuals aged 40+, using data from eight cohort studies with over 50,000 participants. The score can be updated to fit local conditions and risk factor levels in different countries.
The study found that cardiac PET/CT imaging diagnosed heart problems with certainty 88% of the time, while SPECT imaging gave a clear diagnosis only 30% of the time. This technology reduces unnecessary invasive procedures and radiation exposure by a factor of 10.
A study published by the American College of Cardiology found that patients undergoing coronary angiogram with radial access had a significantly lower risk of major bleeding and death compared to those with femoral access. The study suggests that the arm should be the preferred approach for most catheter-based heart procedures.
A study found that complete revascularization after emergency angioplasty for STEMI reduced unplanned angioplasty or bypass surgery by 12%. Rates of death and repeat heart attacks were comparable between groups. The approach may help patients avoid future cardiac events.
Patients with multivessel coronary artery disease receive better outcomes with coronary artery bypass grafting (CABG) than angioplasty and stent implantation, according to a study. This is in line with past studies that have shown CABG leads to better outcomes for patients with multiple narrowed arteries.
A study published in The Lancet suggests that routine heart scans for patients referred to cardiac clinics with chest pain could reduce heart attack rates. The SCOT-HEART trial found that around a quarter of patients had their diagnoses reclassified after receiving the scan, prompting new treatments in many cases.
Researchers found that TAVR improves survival rates and quality of life for elderly patients with severe aortic stenosis. The study compared five-year outcomes of TAVR with standard therapy, showing significant benefits in the TAVR group.
A study comparing CT angiography and functional stress tests found similar clinical outcomes and minimal cost differences over three years. The tests had the same rate of death, heart attacks, and hospitalizations, despite initial cost savings from CT angiography.
A large trial found that patients with symptoms of heart disease have similar outcomes regardless of whether they undergo a functional stress test or a computed tomographic scan. However, the scan may be better at ruling out the need for subsequent tests and procedures in patients who are free of heart disease.
A new study by researchers at San Diego State University found that limiting fruit flies' eating hours can prevent aging- and diet-related heart problems. Flies on a time-restricted feeding schedule slept better, didn't gain as much weight and had healthier hearts than those that ate anytime.
Researchers at Gladstone Institutes have discovered a chain of events that cause healthy valves to become bone-like. They identified three key genes that are altered in calcific aortic valve disease (CAVD) and found a potential therapeutic target by manipulating their activity, pointing to novel treatments for the condition.
Patients undergoing non-emergency cardiac surgery were given either a low or high haemoglobin threshold for transfusion, with the researchers finding that more patients died in the 'low' group. Health care costs and serious complications were similar in both groups, challenging prevailing guidelines.
Researchers found that patients who received blood transfusions at a higher haemoglobin level had fewer serious complications and deaths after cardiac surgery. The study challenges current guidelines and health policy, suggesting that a more liberal approach to transfusion may be safer and more cost-effective
Researchers found that implantable defibrillators and modern treatments have reduced mortality rates among adults with hypertrophic cardiomyopathy, improving life expectancy. The study also showed a lower rate of deaths directly associated with the disease, especially sudden cardiac death.
Research found that nearly 5,000 coronary heart disease patients experienced a significant increased risk of death or heart attack when experiencing high stress and heavy depressive symptoms. The 'psychosocial perfect storm' was validated by the study's findings, which suggest behavioral interventions could help manage both conditions.
A study has quantified the average number of heart failure-free years a person gains by not developing risk factors such as obesity, hypertension, and diabetes by age 45. The results show that individuals with all three risk factors are diagnosed with heart failure an average of 11 to 13 years earlier than those without any risk factors.
A Vanderbilt University study associates poor heart function with an increased risk of developing dementia and Alzheimer's disease. Participants with decreased cardiac index were two to three times more likely to develop significant memory loss over a follow-up period.
A new formula, the FIT Treadmill Score, estimates one's 10-year risk of dying by analyzing treadmill exercise performance. Fitness level, peak heart rate, and metabolic equivalents are key indicators of death risk.
A 20-year follow-up study found that frequent sauna use can reduce the risk of cardiac death in men. Men who used saunas 4-7 times a week were 63% less likely to experience sudden cardiac death compared to those using them once a week. Longer sauna sessions also reduced cardiovascular risks.
A new study reveals a significant decline in the use of available donor hearts for transplantation in the US, with a decline from 44% to 32% between 1995 and 2010. The study suggests that increased scrutiny by government agencies may be contributing to this trend.
A new Yale University study found that patients are at risk of rehospitalization or death within a year after being discharged from the hospital, with risks remaining high even after several months. The researchers tracked 3 million Medicare patients and discovered specific risks vary by discharge diagnosis and outcomes over time.
A unique research project is using Manchester United's Academy players to investigate the effects of exercise on young hearts. The study aims to identify healthy limits and benefits of exercise for elite athletes, normal children, and those with congenital heart defects.
A new security protocol, Ladon, has been designed to protect the information provided by medical devices connected to the Internet. The protocol offers energy efficiency, memory space, and latency benefits, making it suitable for deploying functionalities in sensors.
Researchers found that mutant sodium channels with opposite effects on channel function can lead to disruptions in normal cardiac function due to ion leaks. This overload of positively charged ions within the cell may be a key mechanism linking these mutations to atypical arrhythmias and dilated cardiomyopathy.
A recent study published in JAMA Internal Medicine found that low-risk patients presenting to the emergency department (ED) with chest pain did not experience a significant increase in heart attack risk regardless of the initial diagnostic testing strategy. The researchers analyzed data from over 421,000 ED visits and concluded that ce...
A new study published in Circulation reveals that long-term exposure to elevated cholesterol levels substantially increases lifetime risk for heart disease. Adults with longstanding mild to moderately elevated cholesterol levels may benefit from more aggressive prevention strategies earlier, according to the study's lead author.
Leading cardiac specialists have proposed new guidelines for donor heart allocation to increase patient survival rates. The revised system considers factors such as illness severity, waiting list mortality, and geographic variations in allocations.
Research found that children with favorable psychosocial experiences had a 14% greater chance of being at normal weight as an adult and improved cardiovascular health outcomes. Early life stages appear to have lasting benefits for heart health, highlighting the importance of investing in child well-being.
A study found that optimistic individuals have significantly better blood sugar and total cholesterol levels, are more physically active, and have healthier body mass indexes. They were also less likely to smoke and had a stronger association with cardiovascular health when socio-demographic characteristics were factored in.
Researchers analyzed Beethoven's compositions for clues of a heart condition and found striking rhythms that reflect the irregular patterns of his cardiac arrhythmia. The study suggests that Beethoven's music could be 'musical electrocardiograms,' a readout of modern heart rhythm testing equipment.
A team of biomedical engineers has discovered that a key ion channel in the heart, KCNQ1, is affected by both membrane voltage and an accessory subunit, KCNE1, which determines the properties of electrical signals. This understanding provides a rationale for targeted drug therapy to treat cardiac arrhythmia without affecting other tiss...
A new study found that most heart attack patients do not receive sexual counseling from their healthcare provider, with only 12% of women and 19% of men reporting such advice. The researchers recommend that healthcare providers raise the issue of resuming sexual activity with their patients, as it is an important aspect of overall health.
Researchers at the University of Adelaide found that patients who managed their lifestyle factors were five times more likely to have long-term survival without any further heart arrhythmia. The intensive risk factor management program improved arrhythmia-free survival rates from 18% to 87% after five years.
Researchers found that women with BRCA1/2 mutations and treated with anthracycline-based chemotherapy have low risk of cardiac dysfunction. Most participants had normal heart function, with only a few showing borderline reductions in heart function.
Research suggests that patients with erectile dysfunction who follow a Mediterranean diet have less vascular and cardiac damage, reducing their risk of heart attack and stroke. A lower Med-Diet Score correlated with worse vascular and heart function, including increased intima-media thickness and aortic stiffness.
A study published in the Journal of the American College of Cardiology found that administering epinephrine to patients in cardiac arrest may increase the likelihood of death or brain damage. The research analyzed hospital records for over 1,500 patients and showed that those who received higher doses of epinephrine had a worse outcome.
A global study found that rheumatic heart disease is being neglected in many countries, resulting in inadequate treatment with antibiotics and oral anti-coagulants. This leads to increased maternal mortality rates, particularly in low- and middle-income countries.
A JAX research team discovered a link between mistranslation during protein synthesis and misfolded proteins in the heart, contributing to cardiac diseases like desmin-related cardiomyopathy and systemic amyloidosis. Mistranslation can lead to cell death and impaired heart function.
The American College of Cardiology and American Heart Association guidelines now recommend statin therapy for individuals with an elevated estimated risk of a heart attack or stroke in the next 10 years. A study found that 97% of adults aged 66-75 qualify for statin therapy, with 100% of men in this age group being eligible.
Recent research has shown that children with dilated cardiomyopathy are living longer without heart transplants, with a survival rate of 15% without transplantation. The study found that the more recent era (2000-09) had better survival rates and was associated with factors other than transplantation availability.
A new study from Michigan State University finds that bad marriages are associated with a higher risk of heart disease in older adults, particularly women. The study analyzed data from over 1,200 couples and found that negative marital quality had a greater impact on cardiovascular health than positive quality.
A new tablet-based app called CHAMP is connecting single ventricle heart defect patients to their doctors for real-time monitoring. The app has shown promising results in reducing mortality rates and decreasing the burden on caregivers.
Researchers discovered that cocaine users experience abnormal blood flow in the smallest blood vessels, putting them at risk for heart complications. This microvascular dysfunction may not be detected by regular testing, highlighting the need for more research on this understudied population.
A new study found that adults with obese mothers before pregnancy have a significantly higher risk of cardiovascular disease and death. Researchers analyzed data from 1971 to 2012 on 879 participants, who were followed for 41 years, resulting in 193 cardiovascular events and 28 cardiovascular deaths.
A new study of 5,695 men with low testosterone levels found that testosterone supplementation reduces the risk of major adverse cardiac events such as heart attacks and strokes. Men who received testosterone supplementation had lower rates of death and heart attacks compared to those with persistently low testosterone levels.
A new study found that training medical students to use handheld ultrasound devices enhances the accuracy of their physical diagnosis. Medical students who received personalized lessons on using handheld echocardiography technology showed a 58% correct diagnosis rate, compared to 40% for those with standard training.
A new trans-satellite wireless 12-lead ECG has been shown to significantly reduce treatment time for people with severe heart attacks. The study found that patients who received a wireless ECG had a hospital arrival to angioplasty time of 53 minutes, compared to 104 minutes for those who did not receive the test.
A Vanderbilt University study found a nationwide decline of 30% in ST-elevation myocardial infarction (STEMI) patients between 2006-2011. This decrease may lead to reduced experience among emergency doctors, potentially affecting the timeliness and quality of care for time-sensitive heart attacks.
Researchers found that Hispanic women with five or more live births are at a higher risk of developing cardiovascular disease. Diastolic dysfunction, an abnormal relaxation phase of the heart, was common among these women, with 85% showing signs, according to the study.
Researchers found that a diet rich in plant-based flavonoids can help regulate the body's immune system response to fine particles in polluted air, potentially reducing the risk of heart disease. Additionally, a low-cost vaccine targeting PCSK9 has been shown to safely lower bad cholesterol levels in animal studies.
A randomized trial of 900 patients with diabetes found no benefit from routine CT angiography screening for coronary artery disease (CAD) in reducing mortality, heart attacks, or hospitalizations. The study suggests that guideline-directed medical therapy for hypertension and hyperlipidemia is effective in asymptomatic patients with di...
A study in a rural Midwestern community found that the new cholesterol guidelines substantially increased the number of individuals who qualify for a statin. The biggest driver of this increase was that a larger number of older individuals without known heart disease qualified for a statin under the new guidelines.
Research spanning over three decades found that participants with low risk for heart disease as young adults were 60% less likely to report disability as older adults. A healthy lifestyle has been shown to be associated with favorable levels of cardiovascular disease risk factors, according to the study lead author.
The Heart of New Ulm Project demonstrated population-level improvements in blood pressure and lipids, with increases in residents meeting blood pressure and LDL cholesterol goals. Lifestyle changes, such as weight loss, quitting smoking, and increased physical activity, also showed significant effects on HDL levels and total cholestero...
Research suggests that long-term use of anti-clotting drugs like warfarin and aspirin or clopidigrel can increase the risk of dementia in people with atrial fibrillation. Patients with abnormally slow blood clotting times were found to be more likely to develop dementia.
Research presented at the American Heart Association's Scientific Sessions 2014 found that implementing pre-arrival telephone CPR guidelines in Arizona increased bystander CPR rates by 41% and survival rates by 42%. The study also showed that women are more likely to survive sudden cardiac arrest compared to men.
The Healthy Heart Score uses data from large-scale studies to estimate an individual's 20-year CVD risk based on nine critical diet and lifestyle factors. The free web-based survey provides practical tips for improving scores by incorporating heart-healthy habits into daily life.