Articles tagged with Cardiac Arrhythmias
A new multicenter study by Kumamoto University and National Cerebral and Cardiovascular Center found that working-age adults with shorter sleep durations are more likely to develop atrial fibrillation. In contrast, retirees showed no significant association between sleep duration and AF risk.
Researchers found that patients seen by cardiologists had lower mortality rates and fewer serious heart problems, including heart attack, sudden failure, or irregular heartbeat. The study suggests close teamwork between surgical and heart teams can improve outcomes after major surgery.
Researchers have developed a new computational model that can analyze factors affecting the success of device installation and patient evolution. The model enables precise calculation of anticoagulant doses needed post-operation, reducing risk and improving safety for patients with atrial fibrillation.
A large study found that people with type 1 and type 2 diabetes have a higher risk of sudden cardiac death, particularly in younger adults. The research also showed that sudden cardiac death contributes to shorter life expectancy for those with diabetes.
A new Tulane University study suggests that catheter ablation delivers major benefits for patients diagnosed with both atrial fibrillation and obstructive sleep apnea, significantly lowering the risks of heart failure and death. The study found a 40% drop in major cardiovascular events and a 70% decline in all-cause mortality.
Researchers at Toho University discovered that pyrazole-3 inhibits the TRPC3 channel, preventing atrial fibrillation persistence. This finding suggests targeting TRPC3 channels as a promising therapeutic approach for atrial fibrillation and related cardiovascular diseases.
A new genetic risk score combines rare and common gene variants with non-coding genome information to predict arrhythmia risk. This comprehensive framework can be applied to other genetically influenced diseases like cancer and Parkinson's Disease.
Researchers found that taking metformin in addition to standard care after catheter ablation reduced episodes of atrial fibrillation in people with obesity. The study suggests that lifestyle and risk factor modification efforts can be aided by metformin, and future studies are needed to confirm these findings.
A new study suggests that catheter ablation can reduce the risk of stroke in people with atrial fibrillation (AFib) and may even allow them to stop taking blood thinners. The study found that long-term oral anticoagulation is not necessary after successful ablation in patients with moderate to high stroke risk.
Adults with atrial fibrillation who drank a daily cup of coffee were 39% less likely to have an irregular heart rhythm episode compared to those who avoided all caffeinated products. The preliminary study results suggest that caffeinated coffee may not be responsible for raising the risk of AFib and may even reduce it.
A new study found that using a simplified clot-preventing medication regimen for one month after stent placement in adults with atrial fibrillation is equally safe and effective as a standard year-long treatment regimen. This approach may help reduce bleeding risk associated with the medications while maintaining stroke, heart attack, ...
A new study found that standard medical care, including blood thinners, is the better choice for older people with irregular heart rhythms who are at high risk of stroke and bleeding. The catheter-based procedure was non-inferior to medical therapy in reducing stroke risk but caused more bleeding in higher-risk patients.
A nationwide Swedish study found that many young people who died from cardiac arrest had recently sought medical care and showed signs of heart problems. The study suggests that fainting, seizures, and abnormal ECG findings in young people should be taken more seriously to identify those at risk before a sudden arrhythmic death occurs.
Researchers have found that atrial electromechanical dissociation (AEMD) can predict stroke risk in people with transthyretin amyloid cardiomyopathy, even when the heart rhythm appears normal. A non-invasive assessment tool may help identify those at increased risk and guide earlier conversations about preventive strategies.
The Lehigh University team created a computational model to predict the hemodynamic response of patients with AFib, helping tailor neurostimulation dosages. The model validated against clinical data and predicted accurate effects on blood pressure, heart rate, and stroke volume.
The Cardiovascular Research Foundation (CRF) has announced the 2025 SET-10 Rankings, honoring institutions whose groundbreaking research is shaping the future of cardiovascular care. The rankings recognize academic and medical institutions that are advancing the science and improving patient outcomes.
A retrospective study found that radiation therapy controlled ventricular tachycardia with fewer complications than standard catheter ablation. Radiation therapy was similarly effective in controlling arrhythmia and showed lower serious side effects, especially in the early time window.
New research from the American Heart Association reveals that most people with atrial fibrillation (AFib) are unaware of the condition before being diagnosed. The study found that AFib patients reported experiencing an average of three symptoms before receiving a diagnosis, highlighting the importance of recognizing early warning signs...
The system uses magnetoelectric power-transfer technology to deliver precise electrical stimulation to organs like the heart and spinal cord. The more devices in the network, the more efficient it is, offering a less invasive alternative to traditional implantable medical devices. This technology has potential for treating conditions s...
Researchers have successfully treated damage caused by heart attacks in non-human primates using gene therapy, restoring both strength and rhythm of the damaged hearts. The treatment improved heart function in pathological conditions with no adverse effects observed.
Researchers from the University of South Australia have identified a potential early warning system for Takotsubo syndrome in ICU patients using electrocardiogram patterns and blood markers. Critical care nurses with advanced ECG skills can play a key role in recognising early signs of the condition.
A study from Mount Sinai Hospital found that patients with heart failure and atrial fibrillation who undergo mitral edge-to-edge repair have a doubled risk of death or rehospitalization for heart failure compared to those without AF. The researchers recommend aggressive treatment of AF before the procedure to improve outcomes.
A new study found that scar tissue in the heart of healthy male endurance athletes aged 50 or older may increase their risk of abnormal heart rhythms and sudden cardiac death. The research used magnetic resonance imaging and ECG recorders to track the participants' heart activity over two years.
Researchers found that low sodium levels can disrupt the heartbeat in patients taking widely used rhythm-control medications like flecainide, increasing conduction risk. Interfering with ephaptic coupling or potassium ion flow reduces heart sensitivity to low sodium when sodium channels are blocked.
A new study involving 121 former elite rowers from Australia found that one in five develops atrial fibrillation, a condition that can lead to stroke and heart failure. The researchers identified genetic and clinical tools that enable early preventive strategies, highlighting the paradox that AFib is more common among fit athletes.
Research found that certain heart rate variability patterns can predict future health conditions, including stroke, depression, and cognitive dysfunction. The study suggests that nocturnal HRV provides a unique window into how the body functions during sleep.
The American Heart Association's Get With The Guidelines - Heart Failure registry reveals lasting benefits for hospitalized heart failure patients and hospitals. Hospitals engaging with the program consistently outperform peers on process measures and patient outcomes.
Researchers found that microscopic structural changes in heart cells naturally narrow with age, stabilizing heart rhythm and reducing the risk of irregular heartbeats. This discovery challenges the idea that all age-related changes in the heart are harmful.
A new study found that patients using factor Xa inhibitors experienced significantly fewer cardiovascular problems than those on other anticoagulants. Researchers followed over 1,000 patients aged 80 and above for up to five years, revealing lower rates of heart failure, artery disease, and cardiovascular death.
Researchers found that MRI scans can detect heart inflammation, scarring, and impaired function in carriers of a mutated LMNA gene. This information can help clinicians predict which patients are at higher risk and inform decisions about treatments such as defibrillators or transplants.
A new study from Uppsala University investigates how sleep deprivation affects biomarkers associated with cardiovascular disease. Researchers found that chronic lack of sleep increases the risk of heart problems by promoting inflammatory proteins.
A new study from Karolinska Institutet found that people with a certain heart valve abnormality are at increased risk of severe heart rhythm disorders even after successful valve surgery. The condition is more common in women and younger patients, and can lead to sudden cardiac arrest.
The device uses AI technology to detect potential heart problems and provides real-time health insights. It has multiple points touching the skin near the heart, allowing for more accurate tracking even during movement.
A new method combines ECGI with digital twins to locate the origin of premature ventricular contractions, improving accuracy by an average of 7.8 mm. The method has been applied in a real clinical case and is expected to facilitate planning interventions and reduce treatment costs.
Researchers have discovered a novel gene therapy that can reverse conduction slowing and prevent cardiac arrhythmias by introducing the SCN10a-short gene into heart muscle cells. The treatment has shown promise in animal models and human cell studies, offering a potential solution for millions affected by arrhythmias worldwide.
Cardiac arrhythmia disrupts heart rhythm due to malfunctioning electrical impulses. Rui Zhu plans to use deep-learning and computational simulations to model diseased hearts and understand multi-physical factors contributing to arrhythmic conditions.
The summit features live case demonstrations, interactive debates, hands-on training, and the latest evidence-based practices in structural heart care. Attendees will witness innovation in action, exploring breakthroughs in surgical techniques, transcatheter interventions, and personalized treatment strategies.
A nationwide Swedish study found that full vaccination significantly reduced the risk of severe cardiovascular outcomes linked to COVID-19, such as heart attack and stroke. However, temporary increases in cardiovascular risk were observed after individual doses, particularly among elderly and males.
A large study found that wearable heart monitors increased diagnoses of atrial fibrillation by 52% compared to usual care. However, it did not lead to a significant reduction in hospitalizations due to stroke. The study's findings provide inconclusive data on the effectiveness of screening for atrial fibrillation in reducing stroke risk.
A temporary heart stimulator self-assembles around the heart after injecting nanoparticles, correcting irregular heartbeats and facilitating ECG measurements. The device can operate for up to five days with low power inputs from handheld devices like mobile phones.
A UCalgary study found that involving community pharmacists in prescribing blood thinners for individuals with undiagnosed or undertreated atrial fibrillation can improve stroke prevention. The study showed a 34% increase in optimal blood thinner use among at-risk individuals.
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.
A study published in Heart Rhythm examined the potential dangers of energy drink consumption in patients with genetic heart diseases. The research found a temporal relationship between energy drink consumption and sudden cardiac arrest events, but caution is advised due to the small relative risk.
Researchers established a novel mouse model of inherited arrhythmia that spontaneously causes lethal arrhythmias, shedding light on the pathogenesis and potential drug efficacy. The study identifies a critical mutation in ryanodine receptor 2 (RyR2) as a key regulator of cardiomyocyte contraction.
The study found that the wireless modular system is safe and effective in treating cardiac arrhythmias, with a success rate of almost 99% in communicating between devices. The technology also reduces complications and invasive procedures, improving patient safety.
Scientists developed a new method of gentle defibrillation to control cardiac arrhythmias using low-energy pulses. The approach uses optical light pulses triggered by measured arrhythmic activity, effectively terminating arrhythmias with minimal impact on the heart.
Researchers have discovered a direct link between the C122Y mutation in the Kir2.1 potassium channel and life-threatening arrhythmias in Andersen-Tawil syndrome, which affects fewer than 1 in a million people. The study highlights the importance of understanding the molecular mechanisms underlying cardiac arrhythmias.
A new study found that chronic exposure to PM2.5 is associated with increased risk of hospital admission for various cardiovascular conditions, particularly ischemic heart disease and cerebrovascular disease. The study suggests that lowering annual average PM2.5 levels could decrease overall cardiovascular hospitalizations by 15%.
A nationwide Danish study found a slightly increased risk of arrhythmia in patients taking medical cannabis for chronic pain. The risk was more than twice that of those not receiving cannabis, with the largest increases observed in older adults and those with pre-existing cardiovascular conditions.
Researchers develop injectable hydrogel electrodes for treating ventricular arrhythmia, providing a potential solution to painful defibrillation and improving quality of life. The novel pacing modality addresses the pathophysiology of re-entrant arrhythmia and offers a promising alternative to existing therapies.
A new UofL study shows that nicotine salts in pod-based e-cigarettes can increase the risk of irregular heartbeat and cardiac arrhythmias. The research found that these aerosols stimulate the same receptor that is inhibited by beta blockers, leading to increased sympathetic nervous system activity.
A new study by UCL researchers suggests that a vest mapping the heart's electrical activity could help identify people at high risk of sudden cardiac death. The electrocardiographic imaging (ECGI) vest combines signals with MRI images to generate 3D models, potentially predicting risk factors for life-threatening heart rhythms.
A new Stanford Medicine study found that smartwatches can help physicians detect and diagnose irregular heart rhythms in children. Over a four-year period, patients' medical records mentioned Apple Watch 145 times, with 41 patients having abnormal heart rhythms confirmed by traditional diagnostic methods.
A unique case of commotio cordis in a Romanian basketball player highlights the condition's rarity and importance of prompt intervention. The case, validated by ECG and video evidence, underscores the need for awareness and education about this reversible cardiac phenomenon.
Atrial fibrillation patients undergoing TAVR with the Watchman device had similar outcomes to those receiving medical therapy or blood thinners after TAVR, according to a Cleveland Clinic-led trial. The study found no differences in all-cause death, stroke, and major bleeding between the two groups.
A recent NIH grant will support research into the genetic factors contributing to cardiac arrhythmia, a condition affecting millions of Americans. The study aims to identify specific genes linked to arrhythmia risk and develop novel therapeutic approaches.
A new study has found a significant association between cannabis use disorder and an increased risk of cardiovascular disease events such as heart attacks and strokes. Adults with cannabis use disorder in Canada experienced a 60% higher risk of first-time cardiovascular disease events compared to those without the disorder.
A new study found that younger atrial fibrillation (AFib) patients who underwent MRI-guided ablation treatments had better outcomes. The treatment significantly improved arrhythmia recurrence rates by 50% for patients under 58 years old.
A French study found that recreational drug use was associated with a nearly 9-fold higher rate of death or need for emergency intervention in cardiac intensive care patients. The study detected various substances in 1 in 10 patients, with cannabis being the most frequently detected substance.