Articles tagged with Heart
A recent study by Intermountain Medical Center Heart Institute reveals that over half of patients taking warfarin are unaware of potential interactions with herbal and dietary supplements. The most commonly used supplements interfere with the effectiveness of warfarin, increasing the risk of bleeding or stroke.
According to the American Heart Association, only 12% of men and 13% of women had all four health factors at ideal levels. Researchers found that death rates were 55% lower for participants with five to seven health factors at ideal compared to those with no health factors at ideal levels.
Dr. Donald M. Lloyd-Jones is being honored by the American Heart Association for his outstanding contribution to improving cardiovascular health through lifestyle changes and research grants.
Despite a high frequency of cardiac risk factors, many patients presenting with acute heart attacks are not on primary prevention medications. The study found that nearly 400,000 patients present annually with ST-elevated myocardial infarction (STEMI) in the US, highlighting the need for improved preventive care.
A study published in JAMA found that using automated external defibrillators (AEDs) in hospital settings does not improve survival rates for patients experiencing cardiac arrest. The analysis, which included over 11,700 hospitalized patients, showed a 15% lower rate of survival among those who received AED treatment.
Researchers identified irregular heartbeat in pacemaker recipients as a potential stroke risk factor. Meanwhile, disparities in cardiovascular care persist despite healthcare reform, with African-Americans and those with lower socioeconomic status receiving fewer invasive procedures. Stress tests using exercise electrocardiography and ...
Recently bereaved individuals experience elevated heart rates and potentially harmful heart rhythm changes, increasing the risk of heart attack and sudden cardiac death. These effects tend to normalize within six months.
A study of nearly 50,000 people has identified DNA sequence variations associated with cardiac electrical activity, which may lead to novel approaches to prevent or treat serious rhythm disorders. The findings provide new clues about the biologic pathways that influence cardiac conduction and identify genes and genetic pathways involve...
A new therapeutic implant has been proven to synchronize and strengthen a fading heart beat, reducing the risk of death by 24% compared to current treatment. The device therapy, called cardiac resynchronization therapy (CRT), also improves quality of life and reduces hospital admissions for worsening heart failure.
A study presented at the American Heart Association's Scientific Sessions found that light to moderate drinking among male coronary artery bypass patients was associated with 25% fewer subsequent cardiovascular procedures and death compared to non-drinkers. However, heavy drinkers were twice as likely to have subsequent cardiovascular ...
A study suggests that patients who received therapeutic hypothermia after cardiac arrest took longer to wake up and showed improved brain activity compared to those who did not receive the treatment. The results challenge current guidelines for withdrawing care from comatose patients.
Researchers at Northwestern Memorial HealthCare have successfully implanted two small Heartware VADs in a 44-year-old patient with severe myocarditis, marking the first time this biventricular approach has been used in the US. The device provides total heart support without removing the patient's natural heart.
A new study published in the Journal of Cardiopulmonary Rehabilitation and Prevention found that patients with anxiety disorders are more likely to have undetected heart problems during electrocardiogram tests. The study suggests that administering a brief questionnaire before conducting ECGs can help identify patients at risk.
Researchers have developed a new type of heart pump to improve the survival rate for infants undergoing surgeries to correct univentricular circulation. The innovative 'viscous impeller pump' can be inserted through a catheter and expands to form two cones, spinning at 10,000 rpm to efficiently pump blood.
A new study reveals that the protein T-cadherin is necessary for adiponectin's cardioprotective functions. Adiponectin activates AMPK, which regulates energy usage in the cell. The absence of T-cadherin leads to impaired AMPK activity and increased cardiac damage.
A study of Canadian adolescents found that poor sleep patterns, lack of physical activity, and unhealthy diets are increasing cardiovascular risk factors. Experts recommend implementing healthy habits at schools to reduce the alarming trend in poor sleep among teens.
Researchers found that participation in cardiac rehab was associated with decreased risk of emergency room visits and hospitalization, as well as lower mortality rates. A new structured home-based cardiac rehab program may help overcome barriers to attendance, particularly for women and the elderly.
A study found that obese children have stiff blood vessels similar to those of older adults with cardiovascular disease. The aortic stiffness is an early indicator of cardiovascular disease in obese children, suggesting accelerated aging.
Research suggests that patients with high anxiety sensitivity, who are frightened by bodily sensations and symptoms associated with anxiety, may experience improved cardiac outcomes when treated with rhythm control strategy. This approach appears to be important for these patients, particularly those with congestive heart failure.
Researchers have discovered a protein called PIM-1 that can serve as an early warning system for pulmonary hypertension, allowing for earlier diagnosis and potentially more effective treatment. Gene therapy has also been shown to reverse the condition by blocking the inappropriate activation of this protein.
A new surgical procedure using Kryptonite superglue has improved the recovery of heart patients after open-chest surgery, accelerating healing and reducing complications. The adhesive allows for new bone growth, enabling patients to breathe deeply without powerful painkillers.
Researchers have discovered a potent toxin in scorpion venom that can prevent neointimal hyperplasia, a leading cause of heart bypass graft failure. The compound, margatoxin, is up to 100 times more effective than other known inhibitors, offering new hope for patients undergoing bypass surgery.
A novel approach to treating cardiovascular disease is being explored through recycling pacemakers, with experts finding the process safe and effective. The study aims to reduce the financial burden of pacemakers on impoverished nations, where access to these devices is limited.
A meta-analysis published in The Lancet found that chest compression-only CPR improved survival rates by 22% compared to standard CPR. The study analyzed data from over 3,700 cardiac arrest patients and found the benefit occurred only when 911 dispatchers coached bystanders to use chest compression-only CPR.
Recent research suggests that measuring fatty tissue around the heart is an even better predictor of major heart problems. Noninvasive CT scanning can provide this important information. The researchers conclude that assessment could add meaningfully to clinical risk assessment and generate CT information regarding plaque buildup.
Cardiovascular Innovation Institute researchers have received a $2.027 million grant from the National Institutes of Health to further develop an implantable pump for patients with single ventricle heart disease. The device has the potential to revolutionize treatment by reducing surgeries and improving survival rates.
Researchers at North Carolina State University developed a robotic catheter to treat atrial fibrillation, reducing operating times and radiation exposure. The catheter uses smart materials for improved maneuverability, allowing for more effective and efficient treatment.
A US clinical trial demonstrated the strong safety profile of bone marrow-derived mononuclear cells in patients after a severe heart attack. The study found improvements in left ventricular ejection fraction and volumes at six months, suggesting potential benefits for cell therapy trials.
Research suggests that heart patients with Type D personality are at a higher risk of developing future cardiovascular issues. A three-fold increase in such risks was observed among Type D patients compared to those without this personality profile.
The VCU Medical Center is leading a national clinical trial of a portable, mechanical driver that can power patients' artificial hearts outside the hospital environment. The device allows stable patients to recuperate in their own homes until a donor heart becomes available for transplant.
A study published by the American Heart Association found that Mexican-American stroke survivors with a heart rhythm disorder have more than twice the risk for another stroke compared to non-Hispanic whites. Additionally, their recurrent strokes are more likely to be severe, although they do not have a higher risk of death after stroke.
Researchers found that chest compressions first approach may be better in cases of long waits for EMS, with higher one-year survival rates and benefits for cardiac arrests with prolonged response times. The study suggests an emphasis should be placed on high-quality chest compressions.
Research reveals that oral bacteria can jailbreak from the mouth into the bloodstream and increase risk of heart disease. Poor dental hygiene allows bacteria like Streptococcus to cause tooth plaque and gum disease, leading to blood clots and cardiovascular problems.
A new study in mice shows that social support can minimize physical damages to the brain caused by a heart attack. Socially isolated mice suffered more cell death, depressive symptoms, and inflammation than those living with a partner.
A recent study published in PLOS Medicine suggests that IT-based programs can support clinicians to close gaps in CVD care delivery, including risk assessment and patient self-management. The authors emphasize the need for a supportive social and political environment to fully realize the potential of these programs.
A new study published in The Journal of General Physiology reveals that HCN channels play a crucial role in regulating heart rate during stress. The research provides insight into the mechanisms behind the 'flight-or-fight' response, offering new understanding of this complex physiological process.
Researchers demonstrate that rationally guided human adult stem cells can effectively heal, repair, and regenerate damaged heart tissue. The study shows improved heart function recovery, reduced scars, and increased survival rate in mouse models with heart failure.
Researchers at Case Western Reserve University and Vanderbilt University used an infrared laser to pace an avian embryonic heart, showing no harm to the tissue. This non-invasive device may help understand environmental factors affecting heart rate in embryos and develop new pacemakers.
Researchers discovered significant structural changes and impaired left-ventricular function in the hearts of SMA mice, along with lower heart rates. Gene therapy approach showed promise in restoring heart rates and preventing dilated cardiomyopathy.
A regional protocol initiative improved aortic dissection patient care, reducing time to diagnosis from 4.3 hours to 160 minutes. The protocol, implemented in 32 hospitals, also led to a 55% reduction in time to intervention for surgically managed patients.
Researchers found that viral infection of the heart is a predictor of heart transplant failure in young children and adolescents. The study suggests that rigorously screening transplant patients for viral DNA and RNA, and using intravenous immunoglobulin therapy, may improve organ survival.
A new study found that people whose hearts pump less blood have brains that appear older, with decreased brain volume and atrophy. This association was seen even in those without cardiovascular disease, suggesting a link between cardiac index and brain health.
Researchers developed a system using Random Forests, Logistic Model Tree, and Neural Network to diagnose heart problems with high accuracy. The study used publicly available heart rate data and achieved a classification accuracy of 98.17%.
A new study published in Pediatrics found that cardiopulmonary bypass during heart surgery for less complicated congenital heart defects in school-aged children does not affect their cognitive abilities. Researchers compared the outcomes of 35 children who underwent open-heart surgery with non-cardiac surgical patients and non-surgical...
The International Society of Heart and Lung Transplantation has published comprehensive guidelines for the care of heart transplant recipients. The guidelines cover peri-operative care, rejection management, and long-term issues such as cardiac allograft vasculopathy and immunosuppressive adverse effects.
The European Society of Cardiology has launched a new cookbook featuring heart-friendly recipes created by leading cardiologists. The book aims to demonstrate that a diverse diet can be achieved without compromising on taste, and includes sections discussing heart health topics and alternative ingredients.
A new study found that exposure to ground-level ozone over several weeks increased tumor necrosis factor-alpha levels and decreased heart-protective protein Cav1 in rats. This suggests a link between O3 exposure and cardiac dysfunction, highlighting the potential risks of air pollution on cardiovascular health.
New guidelines conclude that air travel does not pose a significant risk to cardiovascular health for those with conditions such as angina, heart attack, or abnormal heart rhythms. Passengers should take their medication and follow in-flight oxygen and airport assistance to minimize risks.
The Framingham Heart Study has had a profound impact on the understanding and prevention of cardiovascular disease. The study's findings have led to significant reductions in cardiovascular mortality rates worldwide, particularly in the United States. Its legacy continues to shape public health initiatives globally.
Researchers use computer models to reveal how genetic mutations and nervous system activity disrupt heart rhythm, increasing risk of sudden cardiac death. The study's findings may lead to preventative treatment options for those at high risk.
Researchers at UAB will investigate the mechanisms behind red blood cell interactions with nitric oxide, shedding light on potential negative effects of older stored blood units on circulation and immune response. The goal is to design therapies to prevent transfusion-related toxicities.
A new thesis from the University of Gothenburg reveals that mechanical heart pumps can significantly improve survival rates among patients with life-threatening heart failure. The treatment has been shown to be particularly effective for young and middle-aged patients, as well as those who are awaiting a heart transplant.
A radiographic examination of the Santa Rosa mummy's heart suggests a cardiac embolism may have caused her death. The study also confirms a ventricular diverticulum and thrombus, common in patients with Cantrell's syndrome.
A study at Henry Ford Hospital found that the newer left ventricular assist device HeartMate II has a significantly lower risk of infection than its predecessor, the HeartMate I XVE. The new device is smaller and uses synthetic ruby bearings lubricated by blood itself, reducing the risk of infection by 75%.
Researchers at the University of Michigan's Congenital Heart Center led a groundbreaking trial on shunts used to direct blood flow to the lungs, improving outcomes for kids born with hypoplastic left heart syndrome. The study found that one type of shunt was more effective over the first year, but its long-term impact is still uncertain.
A new laser-balloon catheter successfully interrupted irregular electrical pulses in patients and pigs, offering a potential new treatment for abnormal heartbeats. The treatment achieved 100% accuracy in clinical trials and had long-lasting effects, making it a promising alternative to traditional ablation procedures.
A survey of patients and healthcare providers in the southeastern US found that most patients are satisfied with their care, but doctors often lack training on multicultural awareness. The study highlights the importance of effective communication between patients and doctors to address disparities in healthcare outcomes.
Researchers found that particulate air pollution from PM2.5 exposure can affect heart electrophysiology up to six hours after inhalation, leading to increased risk of cardiovascular disease. Elevated PM2.5 levels may trigger acute cardiac events and contribute to chronic heart disease.
A single-center study found that early percutaneous tracheotomy (EPT) in ICU patients on mechanical ventilation did not reduce mortality, hospital length of stay, or frequency of infectious complications. However, EPT was associated with fewer unscheduled extubations and earlier bed-to-chair transfer.
Researchers at Intermountain Medical Center found ablation treatment significantly reduces risk of Alzheimer's disease and stroke. Atrial fibrillation patients treated with catheter ablation have lower risk of dementia and mortality compared to untreated patients.