Articles tagged with Ablation
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A new study found that catheter ablation significantly reduces the risk of dementia and stroke in patients with atrial fibrillation and carotid arterial disease compared to medication treatment. Researchers identified 5,786 patients and found that ablation made a significant difference in those with both conditions.
New studies show that catheter ablation is not more effective than drug therapy in preventing strokes and deaths from atrial fibrillation. However, patients who undergo the procedure experience significant improvements in quality of life and symptoms, including reduced hospitalizations and recurrences of the condition.
A recent study using big data analysis has found that catheter ablation is associated with a lower risk of stroke, death, and major bleeding in patients with atrial fibrillation. The research, led by Mayo Clinic, used a large cohort of patients to replicate the results of a clinical trial and provide complementary evidence for clinicians.
New research reveals catheter ablation is effective in reducing atrial fibrillation recurrence and improving quality of life for patients, while drug therapy offers no significant benefit. However, the study found that catheter ablation did not reduce death or stroke risk compared to drug therapy.
A meta-analysis of randomized controlled trials found catheter ablation superior to conventional drug therapy for patients with atrial fibrillation and heart failure. The procedure was associated with reduced all-cause mortality, heart failure hospitalizations, and improved quality of life.
Loyola Medicine is testing a new catheter ablation system called Durablate that can destroy troublesome heart tissue not accessible to standard techniques. This approach may improve treatment outcomes for patients with ventricular tachycardia.
A study published in Radiology found that thermal ablation is a safe and effective treatment for early-stage non-small cell lung cancer, delivering comparable survival rates to stereotactic radiotherapy. The one-time treatment also offers direct access to the tumor, enabling biopsy samples and potentially lower costs.
Researchers developed 3D personalized computational models of patients' hearts to accurately identify arrhythmia locations. The models correctly predicted treatment targets and reduced ablated tissue areas in some cases. Clinical trials demonstrated the feasibility of integrating simulation predictions into routine procedures.
In a mouse model, researchers found that dysfunctional regulatory T-lymphocytes contribute to sustained inflammation and cardiac enlargement. Removing these cells restored normal function and reversed disease progression. This therapeutic approach suggests a new target for treating human heart failure.
Using catheter-based ablation instead of medications alone reduces the risks of death and stroke in AFib patients, according to a new study from UC Davis physicians. The study found that outcomes for patients treated with ablation were similar to those not treated with it within 30 days, but showed benefits beyond 30 days.
Researchers have developed a real-time thermal imaging method to guide minimally invasive brain tumor treatments. This technology enables doctors to precisely deliver the right dose to the right location, reducing risks and costs associated with follow-up imaging studies.
A new study reveals that algae and impurities on the Greenland ice sheet's surface are causing it to darken, leading to accelerated melting. The Dark Zone, a 400km-wide region, is found to be covered in dust and black carbon that provide nutrition for dark-colored algae.
Researchers found that patients with recurrent atrial fibrillation had more preoperative dys-synchrony in the left atrium, indicating a higher risk of failed ablation procedures. A new biomarker based on cardiac imaging analysis could help personalize patient selection and reduce failure rates.
A new study published in the New England Journal of Medicine found that radiofrequency catheter ablation significantly lowers hospitalization and mortality rates compared to conventional drug therapies for atrial fibrillation in patients with heart failure. Catheter ablation restored regular heart rhythm by isolating pulmonary veins an...
Research across 462 sites in the western US found that winter snow melt increased with rising winter temperature in humid areas, but not in arid Southwest regions. In these areas, spring snow melt occurred earlier as temperatures rose.
The CAPTAF trial found that ablation of atrial fibrillation significantly improved quality of life and general health compared to antiarrhythmic drug therapy. Ablation was also shown to reduce symptoms and improve quality of life in patients with paroxysmal and persistent AF.
A clinical trial conducted by researchers at the University of Utah Health found that radiofrequency catheter ablation lowered hospitalization and mortality rates by 47% and 44%, respectively, in patients with atrial fibrillation. The study suggests that catheter ablation may be a more effective treatment option than traditional drug t...
A new study, CASTLE-AF, shows that catheter ablation significantly improves outcomes for patients with left ventricular dysfunction and atrial fibrillation. The treatment reduces the risk of stroke, blood clots, and heart failure in these patients.
Researchers from NewYork-Presbyterian and Weill Cornell Medicine call for increased adoption of fluoroless catheter ablation to reduce radiation exposure. The procedure uses high-frequency sound waves to create a precise image of the heart, guiding treatment with computerized three-dimensional mapping systems.
A study by Intermountain Medical Center Heart Institute found that long-term aspirin therapy does not lower the risk of stroke for patients with atrial fibrillation who are considered low-risk for stroke. Instead, it increases the risk of gastrointestinal and genitourinary bleeding.
Researchers from the University of Pennsylvania found that CHD patients can safely undergo AF ablation, with similar success rates as those with normal hearts. The multicenter study showed 53% complete success and improved outcomes compared to non-CHD patients.
The American Association for Thoracic Surgery has released a new consensus statement on surgical ablation for atrial fibrillation, emphasizing its safety and effectiveness in reducing early death and late stroke risk. The guidelines also recommend hybrid procedures, optimal ablation tools, and standardized training.
A recent study found that uninterrupted treatment with dabigatran before, during, and after atrial fibrillation ablation significantly reduced the incidence of major bleeding events compared to warfarin. The trial showed a 5.3% reduction in major bleeding events, with major bleeds occurring in 1.6% of patients receiving dabigatran.
Researchers at Intermountain Medical Center Heart Institute have identified three microRNA molecules linked to AFib recurrence after ablation therapy. These molecular markers hold promise as screening tools to help determine which patients will benefit from various therapies.
Researchers found that patients with persistent AF who are successfully treated with ablation may no longer need blood thinners. In fact, 174 participants discontinued blood thinner use at some point in the three years, and 174 remained off blood thinners at their last follow-up.
A study of patients undergoing catheter ablation found a significantly higher rate of brain injury due to embolism among those with left ventricle therapy compared to right ventricle therapy. Brain lesions may also be associated with cognitive decline, highlighting the need for further research and strategies to avoid these lesions.
A new study reveals that catheter ablation significantly reduces symptoms in over half of patients with atrial fibrillation (AF), a condition that increases the risk of stroke and death. The procedure's success rate is higher than expected, but monitoring after treatment is often inadequate.
Researchers found that atrial fibrillation patients are more likely to discontinue warfarin therapy if they've had a recent procedure. The study analyzed 734 patients and found that over half were off warfarin within a year of starting it, with procedures being the most common reason for discontinuation.
New clinical practice guidelines recommend surgical ablation for treating atrial fibrillation, showing improved heart rhythm, quality of life, and stroke reduction. Surgical ablation is an effective treatment option for Afib, with significant improvements in long-term outcomes.
Researchers at Nocturnal and GW are developing a new generation of catheters for treating atrial fibrillation with real-time lesion visualization tools. The technology aims to improve treatment options for millions of people affected by the condition.
Researchers found that catheter ablations lower the long-term risk of recurrent stroke by 50% in atrial fibrillation patients with a prior history of stroke. The procedure creates scar tissue to prevent rapid electric currents from causing abnormal heart rhythms.
A study comparing robotics and manual approaches to treat ventricular tachycardia found that the robotic system can deliver better outcomes for many patients. The robotic arm enables precise movement and reduces invasiveness, maximizing accuracy in ablation procedures.
A new study found that catheter ablation does not reduce the long-term risk of atrial fibrillation in patients with Wolff-Parkinson-White syndrome. Adult patients with the condition continue to have a significant risk of developing atrial fibrillation regardless of age at procedure.
Scientists have obtained high-resolution satellite images revealing the dramatic retreat of tropical glaciers in the Pacific, particularly in West Papua New Guinea. The Carstenz Glacier has almost completely disappeared, while the East North Wall Firn has split into smaller fragments.
The FIRE AND ICE trial showed that radiofrequency and cryoballoon ablation are equally effective in treating atrial fibrillation, with similar rates of recurrence and no significant differences in safety outcomes. Cryoballoon patients were more likely to experience phrenic nerve injury, but this was rare and resolved in most cases.
A new study by the University of Missouri School of Medicine shows that electroanatomical mapping is an effective alternative to fluoroscopy, reducing radiation exposure and improving patient outcomes.
Researchers found that weight loss significantly improves ablation success rates for patients with atrial fibrillation, with those who lose 10 pounds or more experiencing better outcomes. Maintaining weight and avoiding weight regain are also crucial for preventing AF recurrence.
The BELIEF study shows that left atrial appendage (LAA) isolation, combined with standard treatment, significantly improves the success rate of catheter ablation for long-standing persistent atrial fibrillation. LAA isolation reduces AF recurrence rates by 30% compared to standard treatment alone.
A new study found that antiarrhythmia drug therapy after radiofrequency catheter ablation for atrial fibrillation does not reduce arrhythmia recurrence rates at one year. The treatment, which had shown a temporary benefit in earlier studies, lost its effectiveness once the medication was stopped.
A recent study is comparing the direct and indirect costs of three minimally invasive fibroid treatments: global fibroid ablation, myomectomy, and uterine artery embolization. The TRUST Study aims to determine which treatment offers the best balance between cost and benefits for women seeking to preserve their uterus.
Patients who received ablation along with mitral valve surgery had better rhythm control and fewer episodes of atrial fibrillation compared to those who only received the valve surgery alone. However, they were more likely to require pacemaker implantation in the year following their surgery.
A study by the American College of Cardiology found that catheter ablation significantly reduces atrial fibrillation symptoms and hospitalization rates compared to Amiodarone in heart failure patients. Patients who underwent catheter ablation had a higher rate of freedom from atrial fibrillation after two years, with 71% being symptom-...
Scientists develop mathematical model to measure and map electrical flow between heart cells, pinpointing clusters of cells at epicenter of complex rhythms. This approach could enable precision-targeted, minimally invasive treatments for life-threatening arrhythmias.
A new analysis of the SYMPLICITY HTN-3 trial reveals that variations in renal denervation procedure performance and patient medication changes significantly impacted blood pressure reduction outcomes. The study suggests that a higher number of ablations and specific procedural patterns may be key to achieving effective denervation.
A new study found that treating only the pulmonary veins with a procedure called ablation resulted in reasonable outcomes without the need to treat other areas of the heart. The study, which included 589 patients, showed that adding further ablation increased treatment time but did not reduce AF recurrence rates.
Researchers found that complete ablation of main and accessory renal arteries led to greater blood pressure reductions with renal denervation. The procedure was successful in 67% of patients, but incomplete ablation did not significantly impact results. Further investigations are needed to confirm these findings.
Researchers found that catheter ablation significantly improves cardiovascular survival among adults with atrial fibrillation, even in older patients and those with comorbidities. The study, published in Heart Rhythm, shows a 60% reduction in mortality rates among participants.
Researchers at UCSF found catheter ablation to be a highly effective first-line treatment for atrial flutter, reducing hospital visits by 12% and emergency department visits by 40%. The procedure also lowers the risk of atrial fibrillation by 11%.
The EHRA White Book 2014 report highlights the growing use of complex therapies for heart rhythm abnormalities across Europe. The data shows a range in the number of CIED implantations and ablations among ESC member countries, with some countries reporting significant increases in CRT devices and loop recorders.
Researchers found CT-guided IRE to be successful in treating locally advanced pancreatic cancer without major complications. The procedure offers a safe alternative to intraoperative IRE ablation, improving life expectancy for some patients.
A study found that radiofrequency ablation significantly reduced the risk of progression to high-grade dysplasia and cancer in patients with Barrett esophagus and low-grade dysplasia. Treatment resulted in a 25% lower absolute risk of progression.
A study published in JAMA found that radiofrequency ablation significantly reduced abnormal atrial rhythms and episodes of paroxysmal atrial fibrillation compared to drug treatment. The therapy was also associated with improved quality of life, but the risks and benefits need to be discussed individually.
A recent survey found that 25% of high-risk patients were not taking anticoagulants one year after atrial fibrillation (AF) ablation, despite a success rate of 74%. This highlights the need for improved follow-up and cooperation between centers to ensure appropriate treatment.
A landmark multi-center study found that patients with less scarring in the left atrium had higher ablation success rates. The study suggests that earlier treatment may be beneficial, as longer A-fib experience leads to more scarring. Loyola Medicine was a major enroller in the study.
A systematic review and meta-analysis found that radiofrequency ablation is a safe and effective treatment for most patients with dysplastic Barrett's esophagus. The procedure led to complete eradication of dysplasia in 91% of patients, while intestinal metaplasia was eradicated in 78%, and recurrent metaplasia occurred in 13%.
A new study shows that magnetic resonance imaging (MRI) can stage the degree of damaged heart tissue and help predict whether treatment will be successful. Patients with early-stage atrial fibrosis have a higher chance of being cured, while those with late-stage fibrosis have a lower success rate.
The European Society of Cardiology and Association for European Paediatric and Congenital Cardiology have released a joint consensus statement on pediatric arrhythmias. The statement outlines the diagnosis and management of pediatric arrhythmias, highlighting differences between pediatric and adult cases.
The GAP-AF study found that complete ablation with complete linear lesions around pulmonary veins was more effective than incomplete lesions in preventing AF recurrence. This approach resulted in higher success rates and longer periods of sinus rhythm compared to incomplete procedures.
A new minimally invasive tumor ablation technique called irreversible electroporation (IRE) has shown promising results in treating liver cancer patients who cannot undergo surgery or thermal ablation. The study found that IRE successfully destroyed tumor tissue in 70% of patients, with two major complications reported but neither life...
Researchers found microwave ablation (MWA) therapy cut pain in half for patients with bone and soft-tissue tumors, lasting up to 15 months. MWA was faster than radiofrequency ablation, with less risk of complications.