• Catheter ablation is a procedure that uses radio-frequency energy or other sources to terminate or modify a faulty electrical pathway from sections of the heart of those who are prone to developing cardiac arrhythmias such as atrial fibrillation, atrial flutter and Wolff-Parkinson-White syndrome. (wikipedia.org)
  • The ablation procedure can be classified by energy source: radiofrequency ablation and cryoablation. (wikipedia.org)
  • citation needed] Catheter ablation procedure involves advancing several flexible catheters into the patient's blood vessels, usually either in the femoral vein, internal jugular vein, or subclavian vein. (wikipedia.org)
  • To report six month outcome in patients undergoing their first pulmonary vein ablation procedure for idiopathic atrial fibrillation (AF) at a "non-pioneering" hospital. (bmj.com)
  • The first 100 consecutive patients undergoing their first pulmonary vein catheter ablation procedure for highly symptomatic, drug resistant AF in the period 1999-2002. (bmj.com)
  • At the time of the ablation procedure, 64 had progressed to persistent AF and 23 had increased transverse left atrial diameter. (bmj.com)
  • By reducing the critical mass required to sustain AF through either surgical or catheter-based compartmentalization of the atria (ie, maze procedure), fibrillatory wavelets collide with fixed anatomic obstacles, such as suture lines or complete lines of ablation, thus eliminating or reducing the development of permanent AF. (medscape.com)
  • The primary endpoint was recurrence of atrial fibrillation or atrial tachycardia lasting more than 30 seconds at 12 months (including a 3-month blanking period) after a single ablation procedure. (escardio.org)
  • A total of 320 patients who underwent an initial catheter ablation procedure for AF using a CB, HB, or LB in 2 hospitals were included. (go.jp)
  • Electrophysiologists agree that ablation for AF is beneficial in some cases but disagree about when this invasive procedure should be performed in the trajectory of the patient's condition. (medscape.com)
  • Performed via a minimally invasive procedure, ablation alters tissue inside the heart where the irregular beats are triggered. (modernhealthcare.com)
  • 5 St. Jude Medical has also developed cardiac mapping technology to support complex ablation procedures while reducing procedure times. (modernhealthcare.com)
  • The study patients were all undergoing a scheduled, standard "catheter ablation" procedure, the most effective method to suppress atrial fibrillation episodes. (scienceblog.com)
  • This procedure targets elimination of the electrical connection between the pulmonary veins and the left atrium, the same area noted to be affected exposure to alcohol in the current study. (scienceblog.com)
  • He has pioneered a new circumferential ultrasound vein-ablation system to correct atrial fibrillation and performed the procedure on the world's first five patients. (jafib.com)
  • Patients who underwent catheter ablation could undergo a second ablation procedure, if needed in the 3-month blanking period. (acc.org)
  • The hybrid procedure using this inside/outside approach has been shown to be more effective treating patients with more persistent A-fib than a catheter ablation procedure alone. (healthenterprisesnetwork.com)
  • For the first part of the hybrid ablation procedure, a cardiothoracic surgeon uses heat generated by radio frequency to create small amounts of scar tissue on the posterior wall outside of the heart a common trigger area of A-fib. (healthenterprisesnetwork.com)
  • The second procedure is performed several weeks after the first and is a standard catheter ablation. (healthenterprisesnetwork.com)
  • Healthcare professionals utilize various methods to conduct heart ablation, aiming to correct irregular heart rhythms through either a catheter procedure, surgery, or a blend of both approaches. (vejthani.com)
  • When performing concurrent heart surgeries, such as bypass or valve replacement, cardiac surgeons may integrate a maze procedure, an open-heart ablation technique. (vejthani.com)
  • Doctors can use a combination of treatments, surgery, or a minimally invasive catheter procedure to achieve heart ablation. (vejthani.com)
  • While undergoing other heart surgeries, cardiac surgeons frequently carry out an open-heart ablation known as a "maze procedure. (vejthani.com)
  • all had an acute successful pulmonary vein isolation procedure, and 34 (33%) had atrial arrhythmia recurrences during a mean follow-up of 30±15 months (group 1). (cepia.team)
  • A linear ablation element is provided adjacent to the circumferential ablation element in a combination assembly which is adapted for use in a less-invasive "maze"-type procedure in the region of the pulmonary vein ostia in the left ventricle. (justia.com)
  • Percutaneous PWI derives from the Cox maze IV surgical procedure 6 and it may be achieved by creating a roof line together with a line, close to the floor of the LA, joining the lower borders of the inferior pulmonary veins on top of PVI 7 . (jafib.com)
  • Researchers will follow patients for one year following the initial cryoballon ablation procedure. (beckershospitalreview.com)
  • ABS was performed using a noncompliant balloon (diameter 4 to 10 mm) advanced over a stiff wire deployed in the left superior pulmonary vein, allowing passage of the transseptal sheaths for completion of the AF ablation procedure. (elsevierpure.com)
  • As the circumferential mapping catheter needs to be moved during the procedure, a novel method to detect this motion is introduced. (fau.de)
  • In 104 patients with paroxysmal atrial fibrillation (AF) undergoing AF ablation, AF was induced at the beginning of the procedure. (bvsalud.org)
  • For non-paroxysmal atrial fibrillation, a 2016 systematic review compared catheter ablation to heart rhythm drugs. (wikipedia.org)
  • Young people with AF with paroxysmal, or intermittent, AF therefore have an increased chance of success with an ablation since their heart has not undergone atrial remodeling yet. (wikipedia.org)
  • Background - Most of the ectopic beats initiating paroxysmal atrial fibrillation (PAF) originate from the pulmonary vein (PV). (tmu.edu.tw)
  • The chance of being in sinus rhythm was 73% (29 of 64) in those with paroxysmal as compared with only 45% (26 of 36) in those with persistent AF at the time of ablation (p = 0.01). (bmj.com)
  • Method and Results: Forty-five patients (36 men and 9 women, mean age 60 ± 13 years) who underwent MRA before and more than 12 months (mean 21 ± 11) after ablation of paroxysmal AF were included in the study. (tmu.edu.tw)
  • Ablation therapy may be superior to antiarrhythmics in selected patients, including those with paroxysmal atrial fibrillation who are symptomatic but without structural heart disease, patients who are intolerant of antiarrhythmics, and patients with inadequate pharmacologic rhythm control. (aafp.org)
  • median age 65.2 years old) with a history of pneumonectomy/lobectomy and paroxysmal or persistent AF, treated by means of pulmonary vein isolation (PVI) at ten participating centers were included. (vub.be)
  • Predictive value of premature atrial complex characteristics in pulmonary vein isolation for patients with paroxysmal atrial fibrillation. (cepia.team)
  • Thus, pulmonary vein isolation is the cornerstone of catheter ablation for paroxysmal atrial fibrillation. (cepia.team)
  • To assess whether premature atrial complex characteristics before catheter ablation can predict pulmonary vein isolation success in paroxysmal atrial fibrillation. (cepia.team)
  • We investigated consecutive patients who underwent catheter ablation for paroxysmal atrial fibrillation from January 2013 to April 2017 in two French centres. (cepia.team)
  • Preprocedural premature atrial complex analysis on 24-hour Holter electrocardiogram in paroxysmal atrial fibrillation may improve patient selection for pulmonary vein isolation. (cepia.team)
  • Pulmonary vein isolation (PVI) is currently recommended for paroxysmal atrial fibrillation (AF) catheter ablation, but persistent AF remains a clinical challenge 1 - 3 . (jafib.com)
  • Contact-force (CF) technology was not, however, routinely used in previous prospective studies on percutaneous PWI, even if it provides deeper and more durable lesions when integrated in ablation catheters either in paroxysmal or in persistent AF ablations 12 - 14 . (jafib.com)
  • The TactiCath™ Ablation Catheter, Sensor Enabled™ are indicated for use in cardiac electrophysiological mapping and for the treatment of drug refractory recurrent symptomatic, paroxysmal, and persistent atrial fibrillation, when used in conjunction with a compatible RF generator and three-dimensional mapping system. (cardiovascular.abbott)
  • 160 ms). PV activity measured with FARS10 method accurately discriminates pulmonary vein isolation responders, in patients with paroxysmal AF. (bvsalud.org)
  • Catheter ablation may be recommended for a recurrent or persistent arrhythmia resulting in symptoms or other dysfunction. (wikipedia.org)
  • Outcome was not influenced by patient age, length of AF history, or duration of persistent AF before ablation or to left atrial dimension. (bmj.com)
  • An innovative three-step ablation approach including ethanol infusion of the vein of Marshall improves freedom from arrhythmias in patients with persistent atrial fibrillation compared to pulmonary vein isolation (PVI) alone, according to late breaking science presented at EHRA 2023, a scientific congress of the European Society of Cardiology (ESC). (escardio.org)
  • Approaches to catheter ablation for persistent atrial fibrillation. (escardio.org)
  • MARSHALL bundles elimination, Pulmonary veins isolation and Lines completion for ANatomical ablation of persistent atrial fibrillation: MARSHALL-PLAN case series. (escardio.org)
  • Marshall bundle elimination, Pulmonary vein isolation, and Line completion for ANatomical ablation of persistent atrial fibrillation (Marshall-PLAN): Prospective, single-center study. (escardio.org)
  • The goal of the trial was to evaluate catheter ablation compared with amiodarone among patients with persistent atrial fibrillation and heart failure. (acc.org)
  • Patients with persistent atrial fibrillation and heart failure were randomized to catheter ablation (n = 102) versus amiodarone (n = 101). (acc.org)
  • Among patients with persistent atrial fibrillation and heart failure, catheter ablation was superior to amiodarone therapy. (acc.org)
  • Ablation versus amiodarone for treatment of persistent atrial fibrillation in patients with congestive heart failure and an implanted device: results from the AATAC multicenter randomized trial. (acc.org)
  • Approximately 45% of those patients have long-term, persistent A-fib and have not had many treatment options until the advent of hybrid ablation," said Kent Morris, M.D., MBA , electrophysiologist and associate director, cardiology, Norton Heart & Vascular Institute. (healthenterprisesnetwork.com)
  • The efficacy of posterior wall isolation (PWI) on top of pulmonary vein isolation (PVI) in patients affected by persistent atrial fibrillation (AF) is still controversial and little is known about the impact of contact-force (CF) technology. (jafib.com)
  • In this retrospective study, we present our experience with PWI using CF sensing catheters and its efficacy and safety as an adjunctive ablation strategy on top of PVI for management of patients with persistent and longstanding persistent AF. (jafib.com)
  • A total of 73 consecutive patients (20.5% female) affected by persistent atrial fibrillation (10.9% long-standing) underwent PWI as an adjunctive therapy to PVI using CF sensing catheters. (jafib.com)
  • In persistent atrial fibrillation, PWI on top of PVI using CF sensing catheters is safe and effective, providing great reduction of burden of ARs. (jafib.com)
  • The clinical trial will assess the safety and effectiveness of a pulmonary vein isolation-only strategy to treat patients with persistent atrial fibrillation using the company's Arctic Front Advance Cardiac CryoAblation Catheter. (beckershospitalreview.com)
  • FARS10 accurately identified pulmonary vein isolation (PVI)-responders among patients with persistent AF. (bvsalud.org)
  • nor have any developed symptoms of late pulmonary vein stenosis. (bmj.com)
  • Pulmonary vein stenosis (PVS) after PV isolation (PVI) for atrial fibrillation (AF) is a severe complication that requires angioplasty. (go.jp)
  • Management of Pulmonary Vein Stenosis Following Catheter Ablation of Atrial Fibrillation. (jafib.com)
  • Pulmonary Vein Stenosis and Pulmonary Hypertension Following a Catheter-Based Radiofrequency Ablation for Atrial Fibrillation: A Case Report. (stanford.edu)
  • BACKGROUND Pulmonary vein (PV) stenosis is a rare condition characterized by progressive luminal size reduction of one or more pulmonary veins (PVs), which can increase postcapillary pressure resulting in shortness of breath, cough, hemoptysis, and pulmonary hypertension (PH). (stanford.edu)
  • PV stenosis is a rare but recognized complication of catheter-based radiofrequency ablation (RFA) for atrial fibrillation (AF). (stanford.edu)
  • The St. Jude Medical TactiCathTM Quartz Contact Force Ablation Catheter provides physicians with an innovative solution designed to improve outcomes, efficiency and productivity during electrophysiology procedures worldwide. (modernhealthcare.com)
  • citation needed] Catheter ablation of most arrhythmias has a high success rate. (wikipedia.org)
  • If the cardiac rhythm shows no abnormal signals or arrhythmias, the catheters are withdrawn from the heart and the incision is closed. (wikipedia.org)
  • From anatomy and diagnostic criteria through specific mapping and ablation techniques, Catheter Ablation of Cardiac Arrhythmias, 4th Edition, covers all you need to know in this fast-changing field. (elsevier.ca)
  • This is an excellent, comprehensive, and updated resource on catheter ablation of cardiac arrhythmias. (elsevier.ca)
  • Pulmonary vein arrhythmias have been associated with the development of atrial fibrillation. (acc.org)
  • Heart ablation, also known as cardiac ablation, refers to a group of procedures aimed at correcting irregular heartbeats, known as arrhythmias. (vejthani.com)
  • Cardiac ablation may be recommended when medications are ineffective at managing arrhythmias, when significant side effects from such drugs occur, or for treating specific arrhythmias such as Wolff-Parkinson-White syndrome or supraventricular tachycardia, which respond well to this intervention. (vejthani.com)
  • When used with the EnSite™ Array™ Catheter, the EnSite Precision Cardiac Mapping System is intended to be used in the right atrium of patients with complex arrhythmias that may be difficult to identify using conventional mapping systems alone. (cardiovascular.abbott)
  • Refer to the ablation catheter labeling for a listing of adverse events related to the use of this device in conjunction with radio frequency ablation, as a part of the diagnosis and treatment of cardiac arrhythmias. (cardiovascular.abbott)
  • Learn more about pulsed field ablation and atrial fibrillation in this open-access journal from AER Journal. (radcliffecardiology.com)
  • Pulsed field ablation (PFA) is a non-thermal energy source with promising safety and efficacy advantages. (go.jp)
  • The first session focuses on novel catheter ablation technologies for pulmonary vein isolation (PVI) such as very high-power short-duration radio-frequency energy, ultra-low cryo ablation, laser energy and pulsed field ablation. (csi-congress.org)
  • Ideal for practitioners who need a comprehensive, user-friendly ablation text for the electrophysiology lab or office setting , this authoritative reference offers quick access to practical content , using detailed tables and high-quality images to help you apply what you learn in your practice. (elsevier.ca)
  • It is concise and well illustrated, providing an in-depth guide to ablation for practitioners in electrophysiology. (elsevier.ca)
  • Our clinical investigators are supported by the Cardiovascular Clinical Trial Unit (CCTU) that manages over 90 clinical research studies, including trials in heart failure, pulmonary vascular disease, mechanical circulatory support, structural and interventional cardiology, electrophysiology, hypertension, general and preventive cardiology, and investigator initiated cardiovascular outcomes research. (uab.edu)
  • Focus Structural electrophysiology is part of CSI Frankfurt 2023, the leading conference on catheter interventions in congenital, structural and valvar heart disease and heart failure, which will take place June 28 - July 1, 2023 in Frankfurt, Germany. (csi-congress.org)
  • OR, when used with an EnSite Precision™ Surface Electrode Kit, the EnSite Precision Cardiac Mapping System is intended to display the position of conventional electrophysiology (EP) catheters in the heart. (cardiovascular.abbott)
  • Some clinicians consider AADs for initial treatment, whereas others follow a more invasive approach, such as cryoballoon ablation (also referred to as cryoablation) or radiofrequency ablation shortly after the initial diagnosis. (medscape.com)
  • Those of you who got the ablation/cryoablation, were you able to get back into Ironman shape and compete it one? (slowtwitch.com)
  • PVI was performed by radiofrequency ablation in 13 patients (65%) and by cryoablation in the remaining 7 cases. (vub.be)
  • Over a median follow up of 29.7 months, a total of 7 (33%) AF recurrences were recorded with neither a difference between patients treated with cryoablation or radiofrequency ablation or between the two genders. (vub.be)
  • CONCLUSIONS: Catheter ablation by radiofrequency ablation or cryoablation in patients with pulmonary stumps is feasible and safe. (vub.be)
  • The circular catheter is the multi-electrode catheter which is placed in the ostium of the vein. (drjohnm.org)
  • The circular catheter was then placed at the os of each pulmonary vein. (acc.org)
  • The risk of recurrence was significantly decreased compared to pulmonary vein isolation (PVI) alone for PVI with renal denervation (RR: 0.60, CI: 0.38-0.94), PVI with ganglia-plexi ablation (RR: 0.62, CI: 0.41-0.94), PVI with additional ablation lines (RR: 0.8, CI: 0.68-0.95) and PVI in combination with bi-atrial modification (RR: 0.32, CI: 0.11-0.88). (biomedcentral.com)
  • Results at 1 year showed a significantly lower recurrence of AF in the ablation group compared with the AAD group: 42.9% vs 67.8%, respectively. (medscape.com)
  • Catheter ablation success was defined as freedom from any sustained atrial arrhythmia recurrence after a 3-month blanking period following catheter ablation. (cepia.team)
  • and 3) a linear ablation set to block the three main anatomical isthmuses to the pulmonary veins (dome, mitral and cavotricuspid isthmus lines). (escardio.org)
  • Technique and results of linear ablation at the mitral isthmus. (uclouvain.be)
  • Conclusions - Ectopic beats initiating PAF can originate from the non-PV areas, and catheter ablation of the non-PV ectopy has a moderate efficacy in treatment of PAF. (tmu.edu.tw)
  • The objective of this study was to compare the efficacy and safety of different CA strategies for AF ablation through network meta-analysis (NMA). (biomedcentral.com)
  • INTRODUCTION: Data regarding the efficacy of catheter ablation in patients with atrial fibrillation (AF) and patients' previous history of pulmonary lobectomy/pneumonectomy are scanty. (vub.be)
  • We sought to evaluate the efficacy and long-term follow-up of catheter ablation in this highly selected group of patients. (vub.be)
  • Long-term outcomes are favorable, and a similar efficacy of catheter ablation has been noticed in both males and females. (vub.be)
  • Contact force in excess of 70 g may not improve the characteristics of lesion formation and may increase the risk for perforation during manipulation of the catheter. (cardiovascular.abbott)
  • After PVI using the penta-spline PFA catheter, extra pulse trains were added to the posterior wall for wide antral circumferential ablation. (go.jp)
  • In the catheter ablation group, pulmonary vein isolation (PVI) plus posterior wall and non-PVI trigger ablation was done in 80 patients, while PVI alone was done in 22 patients. (acc.org)
  • We decided to ablate in this region, which was anatomically on the mid posterior wall of the left atrium at the os of the left superior pulmonary vein. (acc.org)
  • This hybrid ablation therapy that providers at Norton Heart & Vascular Institute have performed for the past four years encompasses two separate minimally invasive procedures. (healthenterprisesnetwork.com)
  • The current state-of-the-art treatment option is the minimally invasive catheter ablation. (fau.de)
  • Also, at 7pm, the coronary sinus catheter is seen. (drjohnm.org)
  • This approach requires the tracking of the mapping catheter and a virtual reference point on the coronary sinus catheter. (fau.de)
  • We propose a novel method for compensation using the coronary sinus catheter that requires a training phase. (fau.de)
  • We can conclude that motion compensation using the coronary sinus catheter is possible, but it is not as accurate as it could be using the circumferential mapping catheter. (fau.de)
  • I had a heart ablation carried out a number of years ago to deal with tachycardia issues (HR hitting 230's during episode's) caused by a tertiary pathway. (slowtwitch.com)
  • Hybrid Ablation of Ventricular Tachycardia: a Single-Centre Experience. (jafib.com)
  • Periaortic scar-related ventricular tachycardia in patients with aortic valve replacement: transcatheter ablation is feasible and decisive. (escardio.org)
  • Within several seconds of ablation, there was complete cessation of tachycardia. (acc.org)
  • He remains free from tachycardia three months post ablation. (acc.org)
  • Focal atrial tachycardia as the sole mechanism for supraventricular tachycardia is relatively rare accounting for 10-15% of cases referred for catheter ablation. (acc.org)
  • Pulmonary vein associated tachycardia is a rare entity. (acc.org)
  • In a retrospective series, only 3% of all atrial tachycardia from a large tertiary referral center was classified as pulmonary vein tachycardia. (acc.org)
  • This invention is a circumferential ablation device assembly which is adapted to forming a circumferential conduction block in a pulmonary vein. (justia.com)
  • The assembly includes a circumferential ablation element which is adapted to ablate a circumferential region of tissue along a pulmonary vein wall which circumscribes the pulmonary vein lumen, thereby transecting the electrical conductivity of the pulmonary vein against conduction along its longitudinal axis and into the left atrium. (justia.com)
  • The circumferential ablation element includes an expandable member with a working length that is adjustable from a radially collapsed position to a radially expanded position. (justia.com)
  • More specifically, it is a circumferential ablation device assembly which is adapted to ablate a selected circumferential region of tissue along a pulmonary vein wall and thereby form a circumferential conduction block against conduction along the longitudinal axis of the pulmonary vein wall. (justia.com)
  • [ 19 ] The clinical decision to use a rhythm-control or rate-control strategy requires an integrated consideration of several factors, including degree of symptoms, likelihood of successful cardioversion, presence of comorbidities, and candidacy for AF ablation (eg, catheter-based pulmonary vein electric isolation or surgical ablation). (medscape.com)
  • Results: Fifteen patients (mean age 54.4 ± 15.5 years, 9 women) with challenging TSP (7 patients with prior surgical ASD repair, 2 with percutaneous ASD closure devices, and 13 with ≥1 previous TSP) underwent bailout ABS for AF ablation. (elsevierpure.com)
  • Your doctor might recommend a maze operation if you require ablation in addition to bypass surgery or valve replacement. (vejthani.com)
  • In selected patients with drug resistant AF, focal pulmonary vein catheter ablation offers a realistic prospect of achieving stable sinus rhythm compared with alternatives. (bmj.com)
  • Some patients with focal origins of their AF also may be candidates for catheter ablation. (medscape.com)
  • According to senior study author Gregory Marcus , MD, professor of medicine in the Division of Cardiology at UCSF, "The acute impact of exposure to alcohol is a reduction in the time needed for certain heart muscle cells in the left atrium to recover after being electrically activated and to be ready to activated again, particularly in the pulmonary veins that empty into the left atrium. (scienceblog.com)
  • One type of catheter ablation is pulmonary vein isolation, where the ablation is done in the left atrium in the area where the 4 pulmonary veins connect. (wikipedia.org)
  • Fluoroscopic Images of Different FARAWAVE Catheter Configurations During Left Superior Pulmonary Vei. (radcliffecardiology.com)
  • Ostial area and eccentricity of the left superior, left inferior, and right inferior PVs and LA were similar before and after ablation. (tmu.edu.tw)
  • Methods: We developed a model of the left atrium and esophagus, and simulated radiofrequency (RF) ablation of the left atrium under HPSD settings. (researchgate.net)
  • RF) ablation of the left atrium under HPSD settings. (researchgate.net)
  • Selective invasive left and right renal artery angiography was performed by using a JR4.0 catheter. (hindawi.com)
  • Finally in the third session we are presenting a focused session on the left atrial appendage as a potential target for catheter ablation. (csi-congress.org)
  • An amateurish, but real, 1.5 minute video shows the creation of the right upper pulmonary vein region of the left atrium. (drjohnm.org)
  • The left superior pulmonary vein demonstrated the earliest potentials 40msec in advance of the surface p wave (Figure 3). (acc.org)
  • Heat is applied to the tissue inside the left atrium often including the pulmonary veins, another source of A-fib. (healthenterprisesnetwork.com)
  • More particularly, the pulmonary veins are lumens within the intended meaning, including the region of the pulmonary veins between the branched portions of their ostia along a left ventricle wall, although the wall tissue defining the ostia typically presents uniquely tapered lumenal shapes. (justia.com)
  • Following TSP, the transseptal sheath could not be advanced to the LA despite multiple attempts or approaches including use of a stiff wire sequentially in the left and right pulmonary veins, use of a stiff pigtail exchange wire advanced in the LA or left ventricle, or sequential dilation with progressively larger diameter long dilators. (elsevierpure.com)
  • During such procedures, the four pulmonary veins attached to the left atrium are electrically isolated. (fau.de)
  • AF ablation methods continue to be studied and modified and thus may be considered as a work in progress rather than a mature primary therapy. (medscape.com)
  • Methods: The study identified patients who underwent AF ablation at 2 ablation centers from 2011 to 2017 with challenging TSP in whom bailout percutaneous ABS was performed to allow LA access. (elsevierpure.com)
  • Two methods for catheter reconstruction from two views are presented and evaluated. (fau.de)
  • The result of the mapping catheter reconstruction is later used for the motion compensation methods. (fau.de)
  • The clinical problem is that the AF population is heterogeneous, and pulmonary vein isolation (PVI) alone is not the solution for all patients. (biomedcentral.com)
  • Recent clinical trial data show that ablation using St. Jude Medical catheter contact force technology is safe and effective for patients with AF. (modernhealthcare.com)
  • Background: Transseptal puncture (TSP) and LA access for AF ablation can be challenging in patients with prior atrial septal surgery, percutaneous closure, or scarred septum due to multiple prior TSPs. (elsevierpure.com)
  • Conclusions - VESA is associated with a reduction in the combined endpoint compared with the non-ablation reference group. (stanford.edu)
  • Conclusions: In patients undergoing AF ablation with difficult transseptal access due to scarred, surgically, or percutaneously repaired atrial septum, ABS is a safe and effective bailout strategy to obtain transseptal access. (elsevierpure.com)
  • Once the abnormal areas are located, catheters are used to deliver energy via local heating or freezing to ablate (destroy) the abnormal tissue that is causing the arrhythmia. (wikipedia.org)
  • Hypothesis: Active cooling may preclude attainment of a lethal isotherm in esophageal tissue under HPSD ablation. (researchgate.net)
  • Preparation for ablation surgery already required placement of catheters and electrodes in the heart chambers to monitor and pace the heart and destroy targeted tissue. (scienceblog.com)
  • The speed of electrical conduction through the upper chambers did not change significantly in the study, but in comparison to placebo, alcohol infusion resulted in an average reduction of 12-milliseconds in the refractory period for tissue in the pulmonary vein, and also reduced the refractory period in significantly more sites throughout the atria. (scienceblog.com)
  • This catheter emits either heat or cold to the heart's tissue, causing scar formation that impedes erratic heart rhythms. (vejthani.com)
  • By applying heat or cold energy to your heart's tissue, the catheter can cause scarring that prevents aberrant or irregular cardiac beats. (vejthani.com)
  • An equatorial band circumscribes the outer surface of the working length and is adapted to ablate tissue adjacent thereto when actuated by an ablation actuator. (justia.com)
  • describes a catheter designed for thermal angioplasty which utilizes a heated electrode in direct contact with surrounding tissue or plaque deposits as a mechanism for treating the diseased lumen walls. (justia.com)
  • The temperature data transmitted by the sensor in this catheter is representative of the irrigated electrode only and does not provide tissue temperature data. (cardiovascular.abbott)
  • The Achieve Mapping Catheter is indicated for multiple electrode electrophysiological mapping of the cardiac structures of the heart, i.e., recording or stimulation only. (medtronic.com)
  • We present the long-term outcome of catheter ablation (CA) and electrophysiological characteristics in HIV+ AF patients. (bvsalud.org)
  • However, it is a complex form of ablation with a significant risk of serious complications. (bmj.com)
  • Includes numerous tables that provide quick access to key points, arrhythmia mechanisms, diagnostic criteria, target sites for ablation, use of special equipment, complications, and troubleshooting problems and their solutions. (elsevier.ca)
  • Potential adverse events associated with ablation procedures include, but are not limited to, cardiovascular related complications, such as hematoma, effusion and infection. (modernhealthcare.com)
  • Lethal isotherm temperature was taken as 50 °C. Results: In both scenarios of HPSD ablation, the peak esophageal mucosal temperature reached 39° C in control conditions, using no active cooling. (researchgate.net)
  • Freedom from the primary outcome was 83% in the VF ablation group versus 17% in 6 non-ablation reference patients at a median of 1.0 years (IQR 0.5-1.5 years, p=0.046) follow-up. (stanford.edu)
  • In the treatment of refractory hypertension, renal artery ablation (RDN) has become the most important nonpharmaceutical treatment modality [ 1 - 3 ]. (hindawi.com)
  • Atrial ventricular nodal ablation is recommended for patients refractory to medical therapy, usually older patients needing a pacemaker. (aafp.org)
  • Six months after ablation, 55 patients were consistently in sinus rhythm, asymptomatic, and without any Holter evidence of AF. (bmj.com)
  • An average of 3.3±0.5 sites of localized reentry during VF were targeted for radiofrequency ablation (38.3±10.9 minutes) during sinus rhythm, rendering VF non-inducible with pacing. (stanford.edu)
  • 13 This recommendation is based on several studies that showed effective heart rate control and improvement in symptoms with AVN ablation and permanent pacemaker implantation in selected patients with AF. (ahrq.gov)
  • Major guidelines, including those of the American College of Cardiology/American Heart Association/Heart Rhythm Society , European Society of Cardiology/European Association for Cardio-Thoracic Surgery , and Canadian Cardiovascular Society/Canadian Heart Rhythm Society recommend systemic anticoagulation for those with increased risk for stroke and anti-arrhythmic drugs (AADs) as the initial treatment for AF before considering ablation. (medscape.com)
  • Ablation can be an effective treatment option that targets the underlying causes of heart rhythm disorders. (modernhealthcare.com)