Articles tagged with Ablation
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Researchers are using computational models to analyze cardiac function, diagnose, and develop new treatments for conditions like atrial fibrillation and cardiac arrhythmia. They also created a framework to study drug interactions and predict pro- or anti-arrhythmic effects.
A recent study published in BJU International found that despite growing trends towards kidney-preservation treatments, patients with chronic kidney insufficiency are more likely to undergo total nephrectomy. The researchers emphasize the need for further investigation into treatment selection factors.
A multipurpose medical catheter using stretchable electronics replaces three devices in cardiac ablation therapy, making the procedure faster, simpler, and safer. The device provides real-time information on temperature, mechanical force, and blood flow to surgeons during surgery.
Cardiac arrhythmias affect over one million people in the UK, with a growing gap between technology advancements and biological understanding. The Lancet series explores new treatments and future directions for arrhythmia management.
A new study found that EMR before RFA is a safe and effective treatment option for patients with nodular Barrett's esophagus and advanced neoplasia. The performance of EMR before RFA was not associated with a diminished likelihood of success or increased stricture rate compared to RFA alone.
The analysis revealed significant gradients in arrhythmia treatment between Western European countries and Eastern European and North African countries. Training and adherence to guidelines are crucial to addressing healthcare inequalities, as highlighted by the European Society of Cardiology.
The Atrial Fibrillation Ablation Pilot Study found that catheter ablation suppresses arrhythmia recurrences in 74% of patients after a single procedure. Symptoms such as palpitations and shortness of breath were significantly reduced, with over half of patients becoming asymptomatic.
Researchers at Michigan Medicine have developed a safer method for steadying abnormal heart rhythms, using photodynamic therapy to target specific cells causing the arrhythmia. This cell-specific approach aims to decrease unwanted cell injury and inflammation, paving the way for more effective therapies.
Researchers create three-dimensional 'maps' of children's hearts to identify abnormal electrical pathways, allowing for more precise ablation procedures to correct rapid heart rhythms.
Researchers have developed a new technique to detect and target tiny electrical disturbances in the heart, resulting in an 86% success rate in treating atrial fibrillation. The CONFIRM trial found that this approach significantly improved outcomes compared to conventional catheter procedures.
A new targeting technology has been found to improve outcomes for patients with atrial fibrillation, with an 86% success rate after a single procedure. The technology, known as focal impulse and rotor modulation (FIRM), allows doctors to detect and shut down the electrical sources of the arrhythmia in minutes.
The study found that almost 40% of patients have no underlying disease associated with atrial fibrillation, and symptoms vary greatly among patients. Symptoms include palpitations, fatigue, shortness of breath or dizziness, and many patients seek a drug-free lifestyle after ablation.
Researchers use molecular imaging to gauge heart efficiency in subjects with a pathogenic mutation linked to HCM. They find carriers of the mutation already have less efficient hearts despite the absence of any symptoms. Alcohol septal ablation is shown to be an effective treatment for symptomatic patients who remain symptomatic despit...
Multipolar electrocoagulation ablation therapy in combination with acid suppression is a safe and effective method to ablate nondysplastic Barrett's esophagus over the long term, according to a new study. No adenocarcinoma or high-grade dysplasia developed in any of the study patients.
A team of researchers has successfully integrated stretchable electronics technology with standard endocardial balloon catheters, enabling both mapping and ablation functions in a single device. The device features an array of sensors to measure cardiac activity, temperature, blood flow, and pressure.
A new, multifunctional catheter developed by Northwestern University and the University of Illinois can perform all necessary medical devices for cardiac ablation therapy in one minimally invasive procedure. The device combines diagnostic and treatment capabilities, improving clinical arrhythmia therapy by reducing steps and costs.
A study reports on UCLA's experience with new techniques combining catheter ablation with minimally invasive surgical methods to access hard-to-reach areas of the heart. These procedures significantly improved accuracy in applying ablation therapy, offering more treatment options for high-risk patients.
The Journal of Vascular and Interventional Radiology's August supplement explores the development of thermal ablation techniques and devices for cancer tumor ablation. Key findings include advancements in liquid nitrogen-based cryotherapy, microwave devices, and magnetic resonance-guided focused ultrasound.
Researchers developed a novel 3D imaging approach that combines CT images with conventional ablation techniques to improve the accuracy of ventricular tachycardia treatment. The new method successfully predicted areas of abnormal electrical activity in 81.7% of heart segments analyzed.
The new clinics series provides comprehensive reviews of contemporary issues in cardiac electrophysiology, including epicardial interventions, advances in arrhythmia analyses, and antiarrhythmic drug therapy. These issues help electrophysiologists make informed clinical decisions for their patients.
A new study suggests that combining endoscopic removal of visible lesions with radiofrequency ablation can effectively treat early tumor formation in Barrett's esophagus, potentially sparing patients from surgery. The treatment was found to be safe and effective in eradicating tumors and abnormal intestinal cells, with no recurrence of...
Patients with symptomatic paroxysmal AF who didn't respond to antiarrhythmic drugs showed better outcomes with catheter ablation, achieving higher success rates in rhythm control and quality of life. Catheter ablation demonstrated a favorable safety profile, making it an attractive alternative for treating this condition.
A landmark study published in JAMA found that catheter ablation significantly improves quality of life and reduces symptoms of atrial fibrillation compared to drug therapy. The treatment, which destroys abnormal heart tissue, resulted in a 66% success rate for patients with no recurrent irregular heartbeats or symptoms.
A randomized controlled trial shows that catheter ablation before ICD implantation reduces VT recurrence at two years, with a 40% lower risk of repeat VT or VF. Prophylactic catheter ablation may be considered for patients with stable VT and reduced left-ventricular function.
Radiofrequency ablation, a local hepatic treatment for liver metastases from colorectal carcinoma, can lead to unexplained liver hemorrhage. The procedure's increasing use with few selection criteria raises concerns about minimizing complications. Early intervention is crucial in managing these complications.
A randomized controlled study found that laparoscopic uterosacral nerve ablation (LUNA) did not improve chronic pelvic pain, painful menstruation or quality of life compared to laparoscopic surgery without pelvic denervation. The study involved 487 women with chronic pelvic pain and followed them for up to five years.
Atrial fibrillation is a common cardiac arrhythmia affecting over 3 million Europeans, with high mortality rates. Treatment strategies include chronic antiarrhythmic drug therapy and catheter ablation, both effective but with varying side effects and success rates.
A new study finds that radiofrequency ablation can completely reverse Barrett's esophagus and reduce the risk of esophageal cancer. The procedure, which involves targeted thermal energy, showed significant success in treating patients with dysplastic Barrett's esophagus.
A landmark UNC-led study finds radiofrequency ablation significantly effective in treating dysplasia in people with Barrett's esophagus, eradicating abnormal cells and reducing cancer risk. The procedure showed high rates of complete eradication of intestinal metaplasia and progression to disease.
A new radiofrequency ablation procedure has shown promise in eliminating signs of Barrett's esophagus and reducing the risk of cancer progression. In a multicenter trial, patients treated with the procedure experienced significant reductions in dysplasia and abnormal cells.
The European Society of Cardiology's joint consensus document on catheter ablation for ventricular arrhythmias emphasizes the need for more clinical trials and registries to determine its long-term impact. Key unanswered questions include the efficacy, comparative success rates of drug and ablative therapies.
A recent study found that catheter ablation is more effective than drugs in treating atrial fibrillation, with 63% of patients free of arrhythmias one year after treatment. The procedure involves destroying heart tissue responsible for erratic electrical signals, resulting in improved quality of life and reduced symptoms.
Mayo Clinic researchers studied 816 women who underwent global endometrial ablation (GEA) to assess its effectiveness in reducing menstrual bleeding. They found that only 16% of patients required hysterectomy five years after the procedure, which is nearly half of what was previously reported.
A major international study finds catheter ablation is superior to medication for treating irregular heartbeat. One year after treatment, 75% of patients were symptom-free, compared to 21%, highlighting the effectiveness of this procedure.
A new theoretical model has been developed to estimate radiation skin doses during CT-guided interventional procedures, which can be used in real-time to optimize techniques and minimize the risk of radiation injuries. The results indicate accurate estimation of peak skin doses using this model.
A revolutionary heart operation technique using cutting-edge technology will be performed on October 20, demonstrating the University of Leicester's world-class credentials in cardiology. Dr. Andre Ng, a leading expert in catheter ablation procedures, will perform the procedure live at the Heart Rhythm Congress.
Researchers at University of Utah Health developed an MRI-based method to detect and measure scarring on the left atrium's wall in patients with atrial fibrillation. The study found that higher percentages of LA wall injury are linked to a lower recurrence rate of arrhythmia.
Merging multiple CT images simplifies probe repositioning during radiofrequency ablation treatments, according to a recent study. The summation method allows for rapid and accurate visualization of treated areas, increasing the effectiveness of the treatment.
A multicenter U.S. registry study found that endoscopic circumferential ablation effectively cleared high-grade dysplasia in 90.2% of patients with Barrett's esophagus, offering a promising alternative to surgery and other therapies. The procedure also showed good safety profiles and comparable outcomes to PDT, EMR, and esophagectomy.
A study published in The Lancet Oncology found that radiofrequency ablation can be an effective treatment for small lung tumors, with a confirmed complete response rate of 88% and overall survival rates ranging from 48-75%. The procedure was also shown to have a low risk of complications, including pneumothorax and pleural effusion.
A new study by the University of North Carolina at Chapel Hill suggests that radiofrequency ablation is a highly effective treatment for dysplasia in people with Barrett's esophagus. The procedure destroyed up to 85% of abnormal cells, leaving behind no evidence of Barrett's in 74% of patients.
A new study demonstrates the effectiveness of multipolar radiofrequency ablation in treating patients with liver cancer, achieving complete tumor destruction in 66 out of 67 cases. After four years, 52% of patients are now tumor-free and 78% are still living.
The Cox-Maze procedure has been enhanced to include an additional ablation, known as the box lesion, which improves patient outcomes by reducing atrial flutter and fibrillation. This new technique also leads to shorter hospital stays and lower use of antiarrhythmic drugs.
Researchers at Rhode Island Hospital have made significant advancements in diagnosing adrenal masses, treating kidney tumors, and using microwave technology to combat lung cancer. The vast majority of incidentally found adrenal masses are benign, while a minimally invasive technique successfully treats kidney tumors, and microwave ther...
A recent study shows multiple-electrode radiofrequency ablation is a safe and effective way to treat large liver tumors, with 34 of 38 tumors treated in just one session. The new procedure reduces treatment time by approximately 54% compared to single-electrode systems.
A new procedure using concentrated radio waves has been found to be safe and effective in treating abnormal cell growth in the esophagus, a precursor to cancer. The treatment, called radiofrequency ablation, destroys abnormal cells with fewer side effects than current methods.
A study by Changi General Hospital in Singapore found that percutaneous radiofrequency ablation of liver tumors is safer and more effective than open surgery, with reduced post-procedural pain and shorter hospital stays. The technique allows patients to resume daily activities faster and return to work sooner.
A new study shows radiofrequency ablation effective for early-stage, inoperable lung cancer, achieving survival rates equal to or better than traditional external beam radiation. The treatment resulted in a 57% five-year survival rate and controlled tumor progression.
Atrial fibrillation affects over 2.2 million US citizens, causing fatigue, shortness of breath, and stroke risk; the new Cox-maze IV procedure offers a simpler alternative to traditional surgery with fewer complications
The new radiofrequency device-based approach significantly shortens the Cox-Maze procedure from over 90 minutes to just 30 minutes. The ablation technology disrupts abnormal electrical activity, normalizing heart rhythm and eliminating atrial fibrillation in over 90% of patients.
Researchers found radiofrequency ablation effective in achieving local control in selected patients with advanced ovarian cancer. The procedure resulted in complete necrosis in five of six patients, with no evidence of recurrence after treatment.
A new formula developed by doctors at the University of Rochester Medical Center reduces farsightedness among LASIK patients, making it more likely to get vision right the first time. The formula takes into account various imperfections in the eye that were not previously known to exist.
A new imaging procedure using intracardiac echocardiography (ICE) provides real-time monitoring of the esophagus during ablation, reducing the risk of esophageal injury. The study involved 152 patients who underwent left atrial ablation for AF and found that ICE could detect lesions on the posterior wall of the heart's left atrium.
Researchers found combining thermal ablation with radiation therapy increases median survival rate to 42 months in non-small-cell lung cancer patients. Recurrence rates were lower, with 24% of patients experiencing recurrence at 44 months.
Late-breaking clinical trials presented at HEART RHYTHM 2006 reveal ablation to be more effective than anti-arrhythmic drugs for treating atrial fibrillation. Additionally, catheter ablation significantly reduces ICD therapies in post-heart attack patients.
A new magnetic-guided catheter has successfully treated atrial fibrillation in 38 of 40 patients, with no reported complications. The robotic device offers more precise control than conventional catheter ablation devices, potentially reducing procedure duration and improving outcomes.
A study published in the New England Journal of Medicine found that radiofrequency catheter ablation significantly improved heart rhythm and quality of life for patients with chronic atrial fibrillation. The procedure was effective in returning 74% of patients to normal rhythm, even in those with difficult-to-treat cases.
Researchers at Johns Hopkins Medicine successfully used a 3D map of the heart to perform cardiac ablation, eliminating the need for radiation exposure and improving patient safety. The technique used sensor-guided catheter and electro-anatomic mapping to precisely target diseased heart tissue.
Duke engineers have developed a new ultrasound device that combines 3-D imaging with therapeutic heating, potentially improving doctors' most widely used method for destroying aberrant tissue in the heart. The device uses sound waves to heat tissue from a distance, eliminating the need to physically touch the tissue.
A new study published in the American College of Radiology shows that expandable electrodes are safe and effective for radiofrequency ablation of liver tumors. The procedure resulted in high survival rates and low complication rates, comparable to those achieved through surgery.