Articles tagged with Atrial Fibrillation
A study by University of Bath researchers found that stopping anticoagulants for patients aged 75 and over does not significantly affect the risk of major bleeding, but increases the risk of serious events like stroke and death. This highlights the need for clinicians to carefully consider the risks of stopping anticoagulation therapy ...
A systematic review found that therapeutic-dose apixaban and dabigatran have bleeding risks comparable to low-dose aspirin, while rivaroxaban has higher rates of major bleeding. The study aims to help clinicians balance anticoagulant benefits with bleeding risks for patients with atrial fibrillation.
A study published in Nature Medicine found that AI algorithm 'DeepRhythmAI' outperformed human technicians in analyzing long-term ECG recordings, detecting severe arrhythmias with 14 times fewer missed diagnoses. The AI algorithm achieved near-perfect sensitivity and ruled out severe arrhythmia with 99.9% confidence.
A recent study explores the connection between chronic inflammation and arrhythmia development, identifying potential therapeutic targets for preventing and treating AF. The research team discovered that interleukin-1 beta (IL-1β) triggers atrial fibrillation by activating its receptors on macrophages.
A new study from the University of Birmingham found that digoxin is more effective than beta-blockers in reducing adverse events and hospital admissions for older patients with atrial fibrillation. This could lead to significant cost savings for the UK National Health Service, estimated at £102 million per year.
A preliminary study found that regular dental flossing may lower the risk of stroke caused by blood clots and irregular heartbeats. The study, which followed over 6,000 participants for 25 years, found a significant reduction in irregular heartbeats among those who flossed regularly.
The study found that a new class of anticoagulants, Factor XI inhibitors, significantly reduced bleeding events compared to standard-of-care treatment. The researchers report that abelacimab, a Factor XI inhibitor, reduced bleeding by 62% in patients with atrial fibrillation.
A new study found that drinking up to five cups of coffee daily may improve cognitive function in people with atrial fibrillation. The study, published in the Journal of the American Heart Association, suggests that coffee consumption may offset the increased risk of cognitive impairment associated with AFib.
The review article summarizes the current evidence on atrial fibrillation's epidemiology, pathophysiology, diagnosis, and management. Research found a significant increase in AF incidence and prevalence over time, particularly among older adults and men, with diseases like hypertension and valvular heart disease associated with AF.
The American Heart Association has launched a new three-year initiative to standardize HCM systems of care and support better management of the disease. The initiative aims to overcome gaps in care for hypertrophic cardiomyopathy, leading to delayed treatment, increased risk of complications, and preventable death.
A recent study published in Circulation found a correlation between lower levels of coagulation factor XI and an increased risk of heart failure. The research, conducted on two large community-based cohorts, also linked lower factor XI levels to a greater likelihood of atrial fibrillation and worse heart function.
Research suggests that lifestyle modifications and metformin do not improve atrial fibrillation (AFib) burden or progression when compared to standard care. In contrast, weight loss and exercise resulted in decreased AFib symptoms in patients with the condition.
A new study by Intermountain Health found that 40% of newly diagnosed heart failure patients also have atrial fibrillation, leading to poorer outcomes. Patients with both conditions require more aggressive treatment and regular screenings.
A new study published in JAMA found that pulmonary vein isolation combined with ethanol infusion of the vein of Marshall significantly improved freedom from atrial arrhythmias within 12 months. This approach outperformed traditional pulmonary vein isolation alone in reducing AF recurrence rates.
A randomized clinical trial found partial cardiac denervation effective in preventing postoperative atrial fibrillation after isolated coronary artery bypass grafting without additional complications. This suggests partial cardiac denervation as a viable option for preventing postoperative atrial fibrillation after CABG.
A recent study published at the American Heart Association's Scientific Sessions 2024 found that blood thinners did not reduce cognitive decline in adults younger than age 65 who have atrial fibrillation (AFib) but no other risk factors for stroke. The trial included over 1,200 participants and followed them for an average of 3.7 years...
Researchers discovered a relationship between heart shape and cardiovascular disease risk through advanced 3D imaging and machine learning. The study found 45 specific areas in the human genome linked to different heart shapes, including 14 previously unknown influencers.
A new study found that even moderate amounts of exercise can reduce the risk of atrial fibrillation, a common heart condition. The research, led by NYU Langone Health, used data from over 6,000 participants and showed that those with higher physical activity levels had a lower risk of developing the condition.
Researchers found that exposure to temperatures of 100°F (38°C) or higher may triple atrial fibrillation episodes in people with implanted defibrillators. The study emphasizes the importance of preventing heat-induced stress and taking precautions to stay cool and hydrated, particularly for vulnerable populations.
Cardiovascular diseases like heart failure and atrial fibrillation are linked to cognitive impairment and increased risk of dementia. Adopting a healthy lifestyle and identifying vascular risk factors early may help preserve brain function and reduce the burden of Alzheimer's disease.
The study finds that chemokines, particularly CXCL12/CXCR4 axis, are upregulated in patients with atrial fibrillation, contributing to increased remodeling and risk of death. Elevated expression of CXCR2 is also linked to monocyte infiltration and accelerated atrial remodeling.
Researchers found that adopting an electronic patient management system for direct oral anticoagulants reduced off-label dosing by 8%, while also decreasing the rate of blood clots and strokes. The online dashboard, used at over 120 hospitals, highlights treatment optimization and improves patient safety.
A new study estimates nearly 10.5 million U.S. adults have A-Fib, a three-fold increase from previous estimates. Early detection and treatment can reduce its adverse outcomes.
A recent study published in JACC: Clinical Electrophysiology found that quitting smoking can significantly lower the risk of atrial fibrillation, with former smokers having around 13% lower risk and current quitters having an 18% lower risk. The benefits of quitting are seen shortly after stopping smoking.
Researchers at the University of Illinois Chicago have identified a cellular pathway essential to obesity-induced atrial fibrillation. Blocking NOX2, an enzyme that produces reactive oxygen species, may prevent and reverse changes in heart structure and function caused by high-fat diets.
A study published in JAMA found that pulmonary vein isolation resulted in a statistically significant decrease in atrial fibrillation burden at 6 months. The procedure also showed substantial improvements in symptoms and quality of life for patients with symptomatic atrial fibrillation.
A recent systematic review and meta-analysis of 28 studies with 1.2 million participants found that wearable technology can accurately detect conditions such as heart rate variability, blood pressure, oxygen levels, sleep quality, skin temperature, hydration, and stress levels. The study suggests that wearable activity trackers could r...
A catheter ablation procedure for atrial fibrillation has been shown to significantly reduce AF burden and improve quality of life compared to a sham procedure. The study found that patients treated with the actual ablation had an average reduction in AF burden of 60% at 6 months, while those receiving the sham procedure saw a smaller ...
A phase III trial found that asundexian was inferior to apixaban in preventing stroke and systemic embolism in high-risk patients with atrial fibrillation. The trial also showed lower bleeding rates with asundexian, but this finding needs to be put into context with the stroke findings.
The EPIC-CAD trial shows that edoxaban monotherapy significantly reduces the risk of primary endpoint, major bleeding, and major ischaemic events compared to dual antithrombotic therapy in patients with high-risk atrial fibrillation and stable coronary artery disease.
Researchers found that supplementing potassium only when levels fell below 3.6 mEq/L was noninferior to the current practice of maintaining higher levels, with no increase in adverse outcomes. Lower thresholds did not worsen clinical outcomes or dysrhythmias.
The new ESC Guidelines focus on tackling atrial fibrillation's growing impact by emphasizing equal care, education, and dynamic re-evaluation. Comorbidities and risk factors are critical to managing AF, with a 'safety-first' approach and shared-decision making on treatment.
A study emulated a clinical trial using real-world UK healthcare data to explore treatment effects in patients with atrial fibrillation. The method found similar outcomes between apixaban and warfarin, but with differences linked to ethnicity and medication use.
Women undergoing cardiac surgery have a lower risk of developing postoperative atrial fibrillation compared to men, but are more vulnerable to its associated long-term morbidities. A study found that once atrial fibrillation develops, women have a significantly higher risk of mortality than men.
A new study found that job strain and effort-reward imbalance at work increase the risk of developing atrial fibrillation, an abnormal heart rhythm. The research suggests that recognizing and addressing psychosocial stressors at work can foster healthy environments.
A study published in Cardiovascular Research Journal found that a gene deficiency in patients with atrial fibrillation leads to reduced energy production in heart cells. PITX2-deficient cardiac cells have smaller and less efficient mitochondria, pushing the heart into an oxygen-deficient stress state.
Researchers analyzed data from 63,700 patients in five clinical trials to understand the impact of clonal hematopoiesis of indeterminate potential (CHIP) on heart disease. They found that patients with CHIP had a 30% higher risk of initial heart attacks but not recurrent events.
A study by Michigan Medicine found that over- or under-dosing anticoagulants can result in serious health conditions, most often occurring after the initial prescription. The researchers evaluated five years of prescribing data and found that nearly 70% of alerts to off-label dosing occurred during a follow-up visit.
Researchers found that a tiny deletion in the titin protein causes developmental defects in embryonic ventricles, leading to increased potassium ion current and abnormal ANP expression. This remodeling leads to impaired atrial contractility and an increased risk of adult atrial fibrillation.
A new study by UNC School of Medicine researchers found that wearable devices can significantly amplify anxiety and increase healthcare use in patients with atrial fibrillation. Patients with Afib who use wearables are more likely to be preoccupied with their heart symptoms and report concerns about their treatment.
A study published in Nature Medicine found that off-the-shelf wearable trackers can monitor the response to two treatments for atrial fibrillation and heart failure. The devices provided clinically useful information similar to in-person hospital assessments, with a neural network helping to analyze missing data.
A randomized, controlled trial found acupuncture to be effective in reducing methadone dose and opioid cravings in patients undergoing methadone maintenance therapy. The study suggests that acupuncture could be a useful adjunctive treatment for individuals receiving MMT, potentially improving their treatment outcomes.
A recent study published in Nature Medicine has shown that pulsed field ablation (PFA) is a safe and effective treatment for patients with atrial fibrillation. The study analyzed over 17,600 patients and found no significant risk of esophageal damage or other complications, increasing confidence in the use of PFA technology.
A large-scale genetic survey found that genes can influence the risk of developing atrial fibrillation. Researchers analyzed over 400,000 individuals and identified six genes whose genetic changes significantly affect a person's risk.
Dr. Harish Manyam has developed a groundbreaking system that addresses potentially dangerous problems associated with traditional pacemakers and defibrillators. The leadless pacemaker, in combination with a novel subcutaneous defibrillator, eliminates the need for lead extraction procedures.
Research from Michigan Medicine found that female patients with atrial fibrillation and tricuspid regurgitation are less likely to receive simultaneous procedures during cardiac surgery, despite guideline recommendations. This disparity may be related to perceived higher risk among women.
Researchers investigate the role of adipokines in atrial fibrillation, revealing their involvement in pathogenesis and associated complications. Obesity is found to play a significant role in inducing systemic changes that contribute to AF development.
Patients with atrial fibrillation who took low doses of direct oral anticoagulants experienced more bleeding episodes during the first three months of treatment. High blood levels of the medications were also associated with an increased risk of bleeding events.
A recent study published in JAMA Cardiology found that dual direct-current cardioversion is significantly more effective than single cardioversion in restoring sinus rhythm in obese patients with atrial fibrillation. The study demonstrated a 98% success rate for dual cardioversion, compared to an 86% success rate for single cardioversion.
Researchers discuss Ibrutinib, a BTK inhibitor approved for chronic lymphocytic leukemia treatment, noting 20-25% of patients experience dose-limiting cardiovascular toxicities. A recent study identifies genetic biomarkers, such as KCNQ1 and GATA4, associated with cardiotoxic events, which may improve risk stratification.
Researchers assessed brain imaging for minor, moderate, and major ischemic strokes to evaluate early direct oral anticoagulant initiation. The study found no difference in treatment effects or adverse event rates among infarct sizes.
Black and Hispanic patients with atrial fibrillation were less likely to initiate direct oral anticoagulants at study onset, but these disparities narrowed over time. The study highlights the need to address unequal access to novel therapies for Black and Hispanic populations.
Researchers found that over 130,000 people in Denmark live with atrial fibrillation, with a 20% increase in new cases each year. The study reveals heart failure is the most common complication, with a risk of death twice as high as stroke after diagnosis.
Atrial fibrillation is more common and deadly among young Americans than previously believed, a new study found. The study of over 67,000 patients under 65 years old showed higher rates of hospitalization, stroke, heart attack, comorbidity, and mortality compared to their peers without Afib.
Researchers developed a deep-learning model to predict atrial fibrillation, giving early warnings with an accuracy of around 80%. The model, called WARN, uses heart rate data to calculate a probability of danger, providing crucial time for preventive measures.
A study found that the lifetime risk of atrial fibrillation has increased from 1 in 4 to 1 in 3 over the past two decades. Among those with the condition, 41% are likely to develop heart failure and 21% encounter a stroke. Researchers call for better prevention strategies for heart failure among patients with atrial fibrillation.
Research published in Heart Rhythm suggests that the three-month blanking period after atrial fibrillation (AF) ablation may not be necessary, as early AF recurrence is a predictor of late recurrence. The authors propose shortening the blanking period to one month, citing studies that show higher risks of long-term recurrence for patie...
A study of 898 patients with atrial fibrillation found that immediate recurrence during the blanking period after radiofrequency catheter ablation correlates with greater costs, hospitalization duration, and elevated 1-year cumulative AF recurrence rate. IEC was identified as an independent predictor of Im-Recurr.
A new study published in the Journal of the American Heart Association suggests that treating gum disease after a heart rhythm ablation procedure can lower oral inflammation and reduce the risk of AFib recurrence. Researchers found that an index measuring the severity of gum inflammation was associated with the return of AFib, highligh...
A clinical trial found that a nasal spray called etripamil effectively and safely treated recurrent episodes of paroxysmal supraventricular tachycardia (PSVT) in patients. The study showed that two-thirds of participants experienced relief within an hour, with an average time needed for symptom relief being 17 minutes.