Paroxysmal atrial fibrillation

This trial tests whether a newer type of heart ablation, called pulsed-field ablation, can effectively isolate the pulmonary veins in people with paroxysmal atrial fibrillation while using very little or no X-ray guidance. The procedure uses the Farapulse system with a special ma…

This study tested a new device called the Volt PFA System, which uses pulsed field ablation to treat atrial fibrillation (AF), a common heart rhythm problem. Researchers enrolled 392 people with symptomatic AF that didn't respond to medication. The goal was to see if the procedur…

This study tested a new way to treat paroxysmal atrial fibrillation (a type of irregular heartbeat) using pulsed field energy instead of standard radiofrequency. 292 adults with drug-resistant AF took part. The goal was to see if the new method is faster, safer, and more effectiv…

This study tests a device that freezes small areas of heart tissue to treat paroxysmal atrial fibrillation (AFib), a condition where the heart beats irregularly. About 200 people with AFib that hasn't responded to medication will receive the procedure. Researchers will track safe…

This trial tests whether a newer cryoballoon device, PolarX, works as well as the standard Arctic Front device for treating paroxysmal atrial fibrillation (a type of irregular heartbeat). About 200 people having their first pulmonary vein isolation procedure will be randomly assi…

This study investigates whether dapagliflozin, a drug typically used for diabetes, can improve the structure and function of the heart's left atrium in people with paroxysmal atrial fibrillation (a type of irregular heartbeat that comes and goes). Researchers will measure changes…

This trial tests a special implantable cardioverter-defibrillator (ICD) that uses a single lead to sense both heart chambers, aiming to detect atrial fibrillation and other arrhythmias early. It includes 56 people who need a single-chamber ICD and are in normal sinus rhythm at th…

This completed study tested a new catheter and generator system designed to treat paroxysmal atrial fibrillation (AFib) — a common heart rhythm problem. The device uses pulsed field ablation (PFA) to target and destroy tiny areas of heart tissue causing the irregular rhythm. 188 …

This study looked at whether Vidaza, a drug used for acute leukemia, could also help treat atrial fibrillation (an irregular heartbeat). The idea was that Vidaza might reverse certain DNA changes that lower the activity of a gene important for heart function. Only one person took…

This study compared two ways to treat paroxysmal atrial fibrillation (AFib) — a heart rhythm problem. One method uses a freezing balloon (cryoballoon), the other uses heat (radiofrequency). About 769 patients took part. The goal was to see if the freezing method works as well and…

This study tested a systematic 12-step workflow for a newer type of heart ablation (pulsed-field ablation) in 118 adults with atrial fibrillation. The goal was to see if this approach could better isolate the pulmonary veins and reduce the chance of the heart rhythm problem retur…

This study tested a new device called the OMNYPULSE catheter with the TRUPULSE generator to treat paroxysmal atrial fibrillation (a type of irregular heartbeat). The goal was to see if it is safe and effective at isolating the veins that carry blood from the lungs to the heart. 1…

This study tested whether permanent pacemakers can be safely implanted using only ultrasound (transthoracic echocardiography) instead of traditional X-ray guidance. Thirty-one adults with arrhythmias who needed a pacemaker took part. The goal was to see if the procedure could be …

This study tested a new device that uses short electrical pulses to treat a type of irregular heartbeat called paroxysmal atrial fibrillation. Ten patients received the procedure to see if it was safe and could stop the heart rhythm problem for at least 12 months. The goal was to…

This study followed 364 people with paroxysmal atrial fibrillation (a type of irregular heartbeat) who had already received ablation treatment in a previous trial. Researchers compared a newer pulsed field ablation system with traditional thermal ablation to see how well each met…

This study tested a new system that uses electrical pulses to treat a type of irregular heartbeat called paroxysmal atrial fibrillation (AF). The system includes a special catheter and generator designed to safely and effectively stop the faulty signals causing the condition. 150…

This study tested a new type of catheter (a thin tube) that uses heat to destroy tiny areas of heart tissue causing irregular heartbeats in people with paroxysmal atrial fibrillation (AFib). The catheter has a cooling system to prevent overheating. The trial involved 415 particip…

This study tested a voltage-guided stepwise ablation strategy against the standard circumferential approach for treating atrial fibrillation. 130 adults with AF undergoing their first catheter ablation were randomly assigned to one of the two methods. The goal was to see if the s…

This study tested a special catheter system to treat people with a type of irregular heartbeat called paroxysmal atrial fibrillation (PAF) that didn't get better with medication. The treatment uses heat energy to isolate the veins that trigger the abnormal rhythm. The study inclu…

This study looked at whether using a CPAP machine at night can reduce episodes of atrial fibrillation (a type of irregular heartbeat) in people who also have obstructive sleep apnea. Twenty-five adults with both conditions were enrolled. Half used CPAP while the other half were o…

This study tested a new device that uses electrical pulses to treat a type of irregular heartbeat called paroxysmal atrial fibrillation. 142 people who had not been helped by standard medications took part. The goal was to see if the procedure could keep their heart rhythm normal…

This study tested a new tool called VISITAG that helps doctors track where they apply heat during a heart procedure for atrial fibrillation (AFib). The goal was to see if it makes the procedure safer and more effective at preventing irregular heartbeats for a year. 200 adults hav…

This study tested a special catheter and generator system to treat people with paroxysmal atrial fibrillation (AFib), a condition where the heart beats irregularly. The goal was to safely isolate the veins that trigger AFib and restore normal rhythm. 135 participants were treated…

This study tested a new type of wire (lead) for implantable heart devices that deliver shocks to stop dangerous fast heart rhythms. Researchers checked how safe and effective the lead was in 998 people who needed a defibrillator or heart failure device. The lead was placed in a s…

This study looked at how safe and effective a freezing treatment (cryoablation) is for people with a type of irregular heartbeat called paroxysmal atrial fibrillation (AFib). The treatment uses a device called POLARx to freeze heart tissue and stop the faulty signals causing AFib…

This study looked at 320 adults with paroxysmal atrial fibrillation (a type of irregular heartbeat) to compare two cryoballoon ablation techniques: freezing only the pulmonary veins versus freezing both the veins and the back wall of the heart's left upper chamber. The goal was t…

This phase 3 trial tested a special balloon catheter that uses radiofrequency energy to destroy tiny areas of heart tissue causing irregular heartbeats in people with symptomatic paroxysmal atrial fibrillation. The study enrolled 397 adults who had not responded to medication. Th…

This study tested whether sending mild electrical pulses just under the skin could help control heart rate in people with atrial fibrillation (AFib). 46 adults with symptomatic paroxysmal AFib who didn't respond to standard drugs were given a device implant. For two weeks, some r…

This study tested two non-thermal ablation systems in 100 people with paroxysmal atrial fibrillation to see which works better and is safer. Patients were randomly assigned to one of the two devices, and their heart rhythms were monitored for a year. The goal was to find out whic…

This study tested a new mapping feature (FARAVIEW™) used with a pulsed field ablation catheter (FARAWAVE NAV™) to treat atrial fibrillation. Fifty patients with symptomatic AFib that didn't respond to medication were included. The goal was to see how well doctors could isolate th…

This trial tests whether a wearable patch called MEMO Patch V2 can detect heart rhythm disorders (arrhythmias) more effectively than the standard 24-hour Holter monitor. Adults with symptoms like palpitations or dizziness, or those who have had a stroke of unknown cause, will wea…

This study investigates whether an Apple Watch can accurately detect heart rhythm problems (arrhythmias) in children aged 6 to 21 who are already scheduled for standard heart monitoring. Researchers will compare the watch's ECG and heart rate readings to those from conventional c…

This study tested a new non-invasive tool called ECG-Imaging that uses many electrodes on the body to create a 3D map of the heart's electrical activity. The goal was to see if it can more accurately locate the source of heart rhythm problems compared to a standard ECG. 362 parti…

This study looked at whether a 12-week virtual exercise program could help women with cardiac implantable electronic devices (CIEDs) improve their physical fitness, quality of life, and mental health. Twenty women took part, doing either high-intensity interval training (HIIT) or…

This study tested whether showing patients with atrial fibrillation (AF) simple visual charts of common post-ablation symptoms could help them decide more confidently about undergoing the procedure. 75 adults with symptomatic AF who were considering catheter ablation used these d…

This study aims to establish national reference levels for radiation exposure during X-ray guided procedures to correct heart rhythm disorders, such as pacemaker insertions and ablations. Researchers will collect radiation dose data from over 4,000 adult patients undergoing these…

This study tests whether wearing a heart monitor for 14 days can detect dangerous heart rhythms in people with mitral valve prolapse (a common heart valve condition) better than the usual 24-hour test. About 60 adults with MVP will wear a patch monitor for two weeks. The goal is …

This pilot study looked at whether it's possible to run a larger trial comparing two types of exercise—moderate steady exercise and high-intensity interval training—on symptoms of atrial fibrillation (AF), a common heart rhythm problem. Researchers enrolled 25 men and women with …

This study looked at whether a special mapping tool called vMap can help doctors perform heart ablations more efficiently for people with irregular heartbeats (arrhythmias). Researchers tracked 112 patients to see if using vMap reduced procedure time and improved success rates. T…

This study looked at how well a new heart monitor (Assert-IQ) detects atrial fibrillation (an irregular heartbeat) in people who have had a heart ablation procedure. 151 participants wore the monitor as part of their normal care. Researchers compared the monitor's readings to a s…

This study compared two heart-mapping systems, RHYTHMIA and CARTO, in 49 adults undergoing a repeat procedure for atrial fibrillation (AF). The goal was to see which system better finds gaps from previous ablations. The study did not test a new treatment but aimed to improve unde…

This completed registry study followed over 5,000 people with heart rhythm disorders who received Abbott devices during standard procedures. The goal was to collect real-world data on safety and how well the devices work. No new treatments were tested; instead, the study observed…

This completed study looked at how the heart medication amiodarone behaves in children aged 0 to 18 with heart rhythm disorders. Researchers took blood samples from 57 children to measure drug levels and understand how the body processes it. The goal was to find the best dose for…

This study looked at 116 people with paroxysmal atrial fibrillation (AFib) who were scheduled for a heart ablation procedure. Researchers measured baroreflex sensitivity—a non-invasive test of the autonomic nervous system—before the procedure. They wanted to see if this measureme…

This study used a special brain imaging technique called near-infrared spectroscopy to see how the brain responds to pain and sounds while people are under general anesthesia. 44 healthy volunteers aged 12-30 were given either a painkiller (remifentanil) or a placebo. The goal wa…

This study tested a larger 31 mm cryoballoon in 20 patients with paroxysmal atrial fibrillation to see how much heart tissue it could freeze. Researchers used 3D maps before and after the procedure to measure the size of the treated area. The goal was to gather data to improve fu…