Articles tagged with Ablation
A team of researchers from Chiba University developed a method to monitor laser ablation in real time by detecting tiny push-back forces during laser cutting. By tracking the recoil force, they can sense depth and detect completion in real time, allowing for precise control over the process.
The ERASur clinical trial is investigating whether total ablative therapy can improve overall survival in patients with newly diagnosed, limited metastatic colorectal cancer. The study has reached one-third patient accrual milestone, signaling strong momentum.
Cryotherapy has been shown to be an effective and safe treatment option for small kidney tumors, destroying cancer cells while preserving kidney function. The procedure is less invasive than surgery and can be repeated several times, making it a promising alternative for patients with early-stage kidney cancer.
A nationwide Danish study comparing outcomes between patients treated with minimally invasive ablation and surgery found no difference in cancer progression but more frequent local recurrence of the disease following ablation. Ablation patients had shorter hospital stays and fewer complications.
A recent study found that standard therapy plus catheter ablation did not significantly reduce the risk of primary composite end point in patients with atrial fibrillation and a recent stroke history. The observed event rate was lower than anticipated, suggesting underpowered detection of clinically meaningful differences.
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.
Laser-generated nanoparticles offer a cleaner, scalable alternative to traditional chemical synthesis methods for electronics applications. The method, called laser ablation in liquids, produces surfactant-free, highly pure metal-based nanoparticles with tailored surface properties.
A recent study revealed a record-breaking increase in Antarctic Ice Sheet mass between 2021 and 2023, with significant mass gain observed in four key glaciers. This shift counters decades of mass loss, driven by anomalous precipitation accumulation.
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.
A new editorial highlights a growing concern in cancer care: radiotherapy may leave behind residual disease that can lead to worse long-term outcomes. Studies have shown that patients with residual disease are more likely to experience cancer recurrence and shorter survival, emphasizing the need for regular biopsy-based tests.
The concomitant Cox-Maze procedure with aortic valve replacement in patients with atrial fibrillation showed lower rates of atrial fibrillation and higher anticoagulation discontinuation rates. Long-term outcomes were favorable, with no significant increase in early mortality or morbidity.
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.
Researchers found that ablation reduced ICD shocks for ventricular tachycardia and episodes of VT not detected by the ICD. This minimally invasive procedure destroys abnormal heart tissue causing VT, offering a better alternative to long-term medication side effects.
Researchers at Mayo Clinic recommend minimally invasive treatment alternatives to hysterectomy for uterine fibroids, which can help women recover faster and reduce long-term risks. Early detection and treatment are key in reducing health disparities among Black women.
A new image processing strategy for cardiac magnetic resonance imaging identifies areas responsible for complex ventricular tachycardias, enabling preoperative planning and reducing procedure times and complications. The systematic approach eliminates operator bias and increases sensitivity for detecting these regions.
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 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.
The American Gastroenterological Association recommends considering endoscopic eradication therapy for patients with low-grade dysplasia after discussing risks and benefits. For patients with high-grade dysplasia, the AGA suggests removing abnormal pre-cancerous cells to reduce esophageal cancer mortality.
A new endoscopic procedure has been developed to reduce production of ghrelin, a key hunger hormone, by ablating the stomach lining. This process resulted in a 7.7% body weight loss and a 40% reduction in fasting ghrelin levels in a six-month trial involving 10 female patients with obesity.
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 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...
Atrial fibrillation affects 2% of individuals worldwide and has a significant impact on people's lives. Catheter ablation is an effective treatment option that uses burning or electrical pulses to inactivate abnormal rhythms.
A 10-center study found that microwave ablation is associated with similar progression-free survival rates to surgery but with fewer complications and a greater potential for preserving thyroid function. The procedure resulted in less blood loss, shorter incision length, and shorter procedure and hospitalization durations.
A University of Cincinnati study found real-time navigation enhances precision in liver cancer ablation, with improved accuracy for less experienced surgeons. The technology provides detailed information on tumor location, reducing damage to surrounding healthy tissue.
A nationwide cohort study in Japan found that continuing oral anticoagulation therapy after catheter ablation for atrial fibrillation increases the risk of major bleeding but decreases the risk of thromboembolic events. Discontinuing oral anticoagulants in patients with a lower CHADS 2 score may be beneficial.
A new study reveals that women with atrial fibrillation (AF) have comparable outcomes to men when undergoing pulsed field ablation (PFA), a safer and more precise procedure. The results show improved AF recurrence rates in women after PFA, making them an eligible candidate for this life-enhancing treatment.
A new study published in JNCCN found that intensive local-regional treatment to remove as much tumor as possible did not significantly impact overall quality of life for patients with metastatic colorectal cancer. However, the treatment was associated with a higher risk of adverse events.
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 large study found catheter ablation reduces dementia risk by 48% and death from any cause in patients with atrial fibrillation, regardless of age, sex, or health conditions. The procedure is an important consideration for treatment options.
A new study found that catheter ablation significantly lowers the incidence of cardiovascular events and death in very old patients with nonvalvular atrial fibrillation. The researchers compared 208 patients who underwent AF ablation with those who received medical therapy only, finding a lower risk of both cardiovascular events and de...
A new AI model has been developed to help doctors determine the extent of cancer within the prostate gland, improving the effectiveness of focal therapy. The model was found to be more accurate than magnetic resonance imaging (MRI) in predicting tumor margins, reducing the chance of cancer recurrence.
A new device invented by Emile Daoud and his team at Ohio State University Wexner Medical Center significantly reduces the risk of esophageal injury during heart ablation. The device uses suction force to gently move the esophagus away from the catheter tip, creating a safe pathway for treatment.
Jeong Min Lee, KSR President and professor at Seoul National University Hospital, is honored with ARRS membership. He has published over 470 scientific articles and serves on the editorial board of several publications.
A recent study found that MRI-guided adaptive radiation therapy, also known as SMART, has shown promising safety and patient outcomes data for treating locally advanced and borderline resectable pancreatic cancer. The study, led by Henry Ford Health, reported no incidence of acute grade 3 or higher gastrointestinal toxicity, with preli...
A proof-of-concept study developed three machine learning models to predict posttreatment recurrence in early-stage hepatocellular carcinoma patients. The models achieved high accuracy using imaging data alone, while combining clinical data did not significantly improve performance.
Researchers tested a new needle ablation technique called SERF to treat ventricular tachycardia in patients who had not responded to other treatments. The study found that 31 of 32 patients experienced eliminated clinical ventricular tachycardia, with device therapies reduced by 89% during follow-up.
The American Heart Association offers important guidance on sleep-disordered breathing and its association with cardiac arrhythmia, highlighting the potential benefits of SDB treatment on patient outcomes. The statement emphasizes the need for more randomized data to confirm the link between SDB and reduced atrial fibrillation recurrence.
Researchers found that using advanced image-guided technology didn't lead to better outcomes for patients, but rather put them at higher risk of strokes. The study suggests that a simpler approach may be more effective in treating atrial fibrillation.
Researchers have shown ablation therapy can correct stomach dysrhythmias, eliminating abnormal electrical activity and restoring normal function. The technique may now be able to treat patients suffering from gastrointestinal disorders.
A new issue of the CVIA journal has been published, featuring research on the clinical significance of angiographically detectable neovascularity in patients with cardiac myxoma. Studies found that ADN was present in 42.4% of patients and was associated with higher levels of eosinophils and low-density lipoprotein cholesterol.
New guidelines recommend using nerve blocks to select patients with chronic neck pain who may benefit from radiofrequency ablation. Only one nerve block is required, rather than two, and patients must experience meaningful pain relief from diagnostic blocks. This approach aims to reduce unnecessary procedures and improve patient outcomes.
A new case study describes successful radiofrequency ablation of typical atrial flutter combined with atrial tachycardia in a 63-year-old patient with pulmonary heart disease. The procedure was performed using the carto3 system, but initial results were inconsistent until remapping confirmed focal atrial tachycardia location.
A new study published in Cardiovascular Innovations and Applications found that a microtube-irrigated ablation catheter was more effective than a general ablation catheter in reducing blood pressure in patients with resistant hypertension. The study, which followed 60 patients for 12 months, also showed that the microtube-irrigated cat...
A new analysis of US national data finds that external-beam radiation therapy is a proven treatment option for patients with unresectable liver cancer but is rarely prescribed, with only 3.6% of patients receiving it. The study suggests that institutional and regional practice patterns play a key role in driving treatment decisions.
A retrospective cohort study of 27 patients with sarcoma lung metastases found high primary technical success rates for percutaneous image-guided microwave and cryoablation. The treatment modality and tumor location did not affect local progression, and smaller tumors showed lower cumulative incidence of local progression.
Researchers have developed a new, high-power short-duration (HPSD) protocol for treating cardiac arrhythmias using radiofrequency energy and catheterization. The study shows this protocol is more effective than conventional ones in achieving shallower but extensive lesions, minimizing clinical complications.
Researchers at Kobe University developed an AI that uses a combination of electrocardiography (ECG) data and chest X-ray images to diagnose accessory pathways in the heart, which cause arrhythmic disorders. The AI's accuracy was significantly improved compared to previous methods.
A new study found percutaneous image guided needle based thermal ablation to be a safe and effective adjunctive therapy for local control of metastatic gynecologic cancers. Nearly 96% of patients achieved complete tumor response over 10 months, with low side effects.
Researchers found that Black and Latinx patients, as well as those with lower incomes, were less likely to receive rhythm control treatments for Paroxysmal Atrial Fibrillation. Patients in areas with lower median household incomes were 39% less likely to receive catheter ablation treatment.
The Texas Heart Institute has developed a breakthrough ex vivo benchtop system for evaluating the effects of ablation systems on excised tissues, shedding light on the need for esophageal temperature monitoring during HPSD ablation. The study highlights the importance of safety measures in clinical settings and paves the way for furthe...
The Cleveland Clinic has successfully used a recent FDA-approved ablation technology to treat patients with large liver tumors. The minimally invasive procedure involves inserting a microwave needle into the tumor and delivering heat to destroy it, resulting in better postoperative recovery and reduced risk of complications.
A combination approach of catheter ablation and ethanol infusion significantly reduced atrial fibrillation recurrence rates, with 49% remaining free from AFib after six months. This finding supports the use of the Vein of Marshall Ethanol for Untreated Persistent Atrial Fibrillation (VENUS) trial's treatment as a first-line therapy.
A new study found that catheter ablation reduces the incidence of dementia by nearly a third in patients with atrial fibrillation. Successful ablation is associated with a lower risk of dementia, while failure may not contribute to this outcome.
A new study suggests that focal high-intensity focused ultrasound (HIFU) ablation is an effective alternative to surgery or radiation for treating prostate cancer. The procedure carries a low risk of complication and helps preserve quality of life, with no significant decrease in sexual function or urinary incontinence.
A new study shows that physically fit patients are more likely to benefit from atrial fibrillation ablation, with a lower risk of recurrent arrhythmia and improved outcomes. The study found that high cardiorespiratory fitness can act as an antiarrhythmic medication, keeping patients in rhythm after the procedure.
Physicians using a holographic display developed by WashU were more accurate in performing cardiac ablation procedures, resulting in fewer lesions outside the target area. The technology allows physicians to control the procedure with hand-free and sterile gestures.
A new mapping approach based on near-infrared spectroscopy distinguishes between fat and muscle tissue in the heart, improving delivery and monitoring of ablation therapy. This could lead to increased efficacy and reduced complications for ventricular tachycardia patients.
Researchers at Columbia University have used Electromechanical Wave Imaging (EWI) to localize cardiac arrhythmias more accurately than 12-lead ECGs alone, providing 3D visualization for easier anatomical location. The technique achieved a correct prediction rate of 96% compared to 71% for ECG.
A new study by Mayo Clinic researchers found that catheter ablation reduced the risk of death or hospitalization due to worsening heart failure in patients with both conditions. The study analyzed data from over 289,000 patients and showed an 18% reduction in risk for those who received ablation.
The Ohio State University Wexner Medical Center has successfully used a new atrial fibrillation device, achieving 100% pulmonary vein isolation without nerve injuries or serious side effects. The PFA technology uses pulsed electric fields to interrupt pathways and triggers in the heart, potentially becoming the standard tool for resolv...