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Results 101 - 150 of 1858
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Brembilla-Perrot Béatrice - - 2010
The aim of the study was the evaluation of the predictors of adverse presentation as first arrhythmia in Wolff-Parkinson-White syndrome; they usually affect young patients with septal or multiple accessory pathways (AP). Our population comprised 645 patients with a preexcitation syndrome. Among them, adverse presentation (sudden death, hemodynamically not tolerated ...
Kim Yong-Hyun - - 2010
Residual gaps due to incomplete ablation lines are known to be the most common cause of recurrent atrial fibrillation (AF) after catheter ablation. We hypothesized that any residual potentials at the junction of the left atrium and pulmonary vein (PV), inside the circumferential PV ablation (CPVA) lines, would contribute to ...
Maltais Simon - - 2010
This study evaluated the long-term outcome of linear, endocardial, radiofrequency (RF) atrial ablation for the treatment of atrial fibrillation (AF) concomitantly to open-heart procedures for acquired cardiac organic disease. A saline-irrigated "pen-like" RF ablation catheter (Cardioblate(®), Medtronic, Minneapolis, MN, USA) was used to perform endocardial lines of conduction block in ...
Long De-yong - - 2010
Previous studies have investigated the technique of linear ablation at the mitral isthmus (MI) in patients with idopathic atrial fibrillation (AF), but MI ablation in patients with prosthetic natural mitral valves (MVs) was not described in detail. Present study sought to summarize our initial experience of ablating MI in patients ...
Kojodjojo Pipin - - 2010
To prevent atrial fibrillation (AF) recurrence after catheter ablation, pulmonary venous isolation (PVI) at an antral level is more effective than segmental ostial ablation. Cryoablation around the pulmonary venous (PV) ostia for AF therapy is potentially safer compared to radiofrequency ablation (RFA). The aim of this study was to investigate ...
Medi C - - 2011
Long-Term Follow-Up After Atrial Fibrillation Ablation. Introduction: Pulmonary veins play an important role in triggering atrial fibrillation (AF). Pulmonary vein isolation (PVI) is an effective treatment for patients with paroxysmal AF. However, the late AF recurrence rate in long-term follow-up of circumferential PV antral isolation (PVAI) is not well documented. We ...
Gautam Sandeep - - 2011
Effect of INR on Anticoagulation During Ablation of Atrial Fibrillation. Background: Ablation of atrial fibrillation (AF) with international normalized ratio (INR) ≥ 2.0 is safe and may reduce thromboembolic complications. Heparin is administered during the procedure, but the effect of elevated INR on heparin requirements and target activation clotting times (ACT) ...
Lomuscio Alberto - - 2011
Antiarrhythmic Effect of Acupuncture. Introduction: In traditional Chinese medicine, stimulation of the Neiguan spot has been utilized to treat palpitations. We evaluated whether acupuncture might prevent or reduce the rate of arrhythmia recurrences in patients with persistent atrial fibrillation (AF). Methods and Results: We studied 80 patients with persistent AF after ...
Yin Liang - - 2010
Postoperative occurrence of AF has been associated with less favourable outcomes in patients undergoing cardiac surgery and may result in increased postoperative morbidity and mortality. A focused clinical question was designed and a meta-analysis of published studies was performed to identify the effect of preoperative use of statins on the ...
Atwater Brett D - - 2011
Pulmonary Vein Contraction After Ablation. Introduction: Cardiovascular magnetic resonance imaging (cMRI) may provide a noninvasive method to test for pulmonary vein (PV) isolation after ablation for atrial fibrillation (AF) by detecting changes in PV contraction. Methods: PV contraction (the maximal percentage change in PV cross-sectional area [CSA] during the cardiac cycle) ...
Chan Ngai Yin - - 2011
Cryoablation (CRYO) is an alternative to radiofrequency (RF) ablation in the treatment of atrioventricular nodal reentrant tachycardia (AVNRT). This study aims to evaluate the differences in patient pain perception and operator stress between CRYO and RF ablation in the treatment of AVNRT. Patients with supraventricular tachycardia underwent electrophysiology study. Twenty ...
Miyazaki Shinsuke - - 2011
Objective To examine the long-term clinical outcomes of patients undergoing catheter ablation (CA) for either paroxysmal (PAF) or persistent atrial fibrillation (PsAF) using an extensive pulmonary vein isolation (EPVI)-based strategy. Methods and results 574 patients (61±9 years; 449 men) with drug-refractory PAF or PsAF underwent CA. Ipsilateral pulmonary veins (PVs) were ...
Helmy ElKaffas Khaled - - 2011
Chronic venous insufficiency is the most common vascular disease in the adult population. However, randomized clinical trials (RCTs) comparing therapeutic options are limited. A total of 180 patients with saphenofemoral junction and great saphenous reflux detected on duplex were randomized to either ultrasound-guided radiofrequency ablation (RFA) or standard surgical treatment. ...
Takahashi Atsushi - - 2010
Atrial fibrillation (AF) is the most common arrhythmia in clinical practice and it has a significant impact on morbidity and mortality. Large randomized trials have failed to demonstrate a benefit for mortality of the pharmacological rhythm control strategy as compared with the rate control strategy, indicating that rate control may ...
Kim Michael H - - 2010
This retrospective cohort study compared the direct medical costs of successful versus unsuccessful catheter ablation in Medicare-aged patients with atrial fibrillation (AF), using medical claims data. AF patients with > or = 12 months of continuous medical/pharmacy coverage pre- and postablation were identified from the MarketScan Medicare database (January 2003 ...
Nojiri Takashi - - 2010
OBJECTIVE: The objective of the present study was to evaluate the utility of tissue Doppler imaging for predicting the development of postoperative atrial fibrillation. METHODS: In this prospective observational study, we evaluated 126 patients with lung cancer who underwent a lobectomy during the 18-month period from August 2007 to January ...
Mitchell-Heggs Laurens - - 2010
To assess the usefulness of miniature transoesophageal echocardiography using a 10 F intracardiac probe (ICE-TEE) for transseptal catheterization during atrial fibrillation (AF) ablation. Intracardiac echocardiography probe was used transoesophageally in 79 consecutive patients (56 ± 11 years, 73% male) referred for AF ablation (60% paroxysmal and 38% persistent) to guide ...
Richter Bernhard - - 2011
Radiofrequency ablation of atrial fibrillation (AF) creates left atrial (LA) tissue damage with a subsequent healing process. We sought to prospectively assess the time course of biomarkers of tissue repair after ablation and to evaluate their association with clinical variables. 30 consecutive patients (57.9±1.7yrs, 63% males) with paroxysmal AF underwent ...
Schwarz Niko - - 2010
Cerebral embolic events represent recognized side effects after catheter ablation in the treatment of recurrent atrial fibrillation (AF). The study was performed to analyze the neuropsychological outcome and to detect new embolic ischemic brain lesions after therapeutic left atrial catheter ablation of AF. We enrolled 23 patients with recurrent AF ...
De Greef Yves - - 2010
To analyse procedural results and clinical outcome of paroxysmal atrial fibrillation (AF) ablation using the 30 and 35 mm high-density mesh ablator (HDMA, Bard Electrophysiology). Sixty-four consecutive patients were ablated with the HDMA catheter (26 with the 30 mm, 38 with the 35 mm device). If pulmonary vein (PV) isolation ...
Hunter Ross J - - 2010
Catheter ablation of atrial fibrillation (AF) continues to expand and evolve. Large registries like the worldwide survey have provided insight into methods, safety and efficacy of catheter ablation for AF in the short term, and how these are changing. Long-term follow-up data are also emerging answering important questions about safety ...
Montefusco Antonio - - 2010
AIMS: To assess retrospectively clinical and procedural predictors of long-term recurrences after atrial fibrillation ablation. METHODS: Two hundred and forty consecutive patients (201 men; mean age 60 +/- 10 years) undergoing pulmonary vein isolation (PVI) plus linear lesion ablation for antiarrhythmic drug-refractory atrial fibrillation between 2005 and 2007 were studied. ...
Filardo Giovanni - - 2010
BACKGROUND: Atrial fibrillation (AF) is recognized as a common complication of open cardiac surgery, occurring in up to 65% of patients. The advancing age and increasing risk profile of patients receiving aortic valve replacement (AVR) surgery is expected to raise incidence of new-onset postoperative AF resulting in potentially higher risk ...
Ito Nobuhisa - - 2010
Atrial fibrillation (AF) is one of the most common complications after coronary artery bypass grafting (CABG), and the incidence of postoperative AF (PAF) is estimated to range from 10% to 40%. PAF is a serious complication that is related to unstable hemodynamics, development of embolisms, patient discomfort, and increased medical ...
Morimoto Manabu - - 2010
To improve the efficacy of radiofrequency ablation (RFA) for the treatment of intermediate-sized hepatocellular carcinomas (HCCs), the authors compared RFA combined with transcatheter arterial chemoembolization (TACE) to RFA alone. The authors randomly assigned 37 patients with solitary HCCs (diameter, 3.1-5.0 cm in the greatest dimension) to 2 groups: the TACE-RFA ...
Liu Jun - - 2010
The aim of our study was to investigate the value of the transtelephonic electrocardiogram (TTECG) monitoring system during a "blanking period" of 3 months after ablation by analyzing the frequency of atrial arrhythmias episodes and the relationship between the frequency of atrial fibrillation (AF) attacks and long-term follow-up outcomes. Ninety-two ...
Schmidt Boris B Asklepios Klinik St Georg, Department of Cardiology, Hamburg, Germany. - - 2010
Pulmonary vein isolation (PVI) is an established treatment option for patients with drug refractory paroxysmal atrial fibrillation. A novel compliant endoscopic ablation system housing a 980-nm-diode laser allows for discrete point-by-point ablation enabling a true circumferential ablation line design. We sought to determine the feasibility and safety of a circumferential ...
Dasari Tarun W - - 2010
Atrial fibrillation (AF) and atrial flutter (AFL) after heart transplantation (HT) has been associated with increased mortality. Diverse incidence rates have been reported to date, with no clear classification according to the time of onset of such arrhythmias. We determined the incidence of AF/AFL using the time of onset after ...
Ji Qiang - - 2010
Atrial fibrillation (AF) after rheumatic valve replacement is the most common arrhythmic complication. Previous studies reported angiotensin-II receptor blocker can prevent AF. This study aimed to assess the effect of a combination of irbesartan and amiodarone on the maintenance of sinus rhythm after cardioversion of AF in patients with post-rheumatic ...
Maagh Petra - - 2010
The high density mesh ablator (HDMA), a mesh electrode catheter using radiofrequency delivery for pulmonary vein isolation (PVI) in patients with atrial fibrillation (AF), has been shown to have a high acute ablation success rate. The primary endpoint of our study was the efficacy of HDMA to maintain sinus rhythm ...
Komatsu Takashi - - 2010
It has been reported that approximately one-third of patients undergoing cardiovascular surgery experience paroxysmal atrial fibrillation (AF) during the postoperative period. There is, however, little information on the selection of anti-arrhythmic drugs for terminating postoperative paroxysmal AF. Between April 2007 and March 2009, 118 patients (76 men, 42 women, mean ...
Chun K R Julian - - 2010
Lack of an irrigated-tip magnetic catheter has limited the role of remote-controlled magnetic navigation (Niobe II, Stereotaxis) for catheter ablation of atrial fibrillation (AF). A novel 3.5-mm-tip irrigated magnetic catheter (group 1, Thermocool Navistar RMT, Biosense Webster) was used for 3D left atrial reconstruction (CARTO RMT) and remote-controlled magnetic pulmonary ...
Di Biase Luigi - - 2010
BACKGROUND: Together with pulmonary veins, many extrapulmonary vein areas may be the source of initiation and maintenance of atrial fibrillation. The left atrial appendage (LAA) is an underestimated site of initiation of atrial fibrillation. Here, we report the prevalence of triggers from the LAA and the best strategy for successful ...
Kourliouros Antonios - - 2011
Objective: Inflammation has been implicated in the pathogenesis of postoperative atrial fibrillation (AF). Adipose tissue secretes both pro-inflammatory cytokines such as interleukin-6 (IL-6) and anti-inflammatory mediators such as adiponectin. We set out to examine the association of adiponectin and IL-6, both circulating and locally produced by the epicardial adipose tissue, ...
Huang Chin-Chou - - 2010
The efficacy and stability of the atrial electrode sensing function is essential for maintaining atrioventricular (AV) synchrony. This study aimed to explore the long-term reliability and causes of the long-term sensing failure of VDD systems. We enrolled all the patients with complete or high-degree AV block who received VDD pacemakers ...
- - 2010
[This corrects the article on p. 65 in vol. 5.][This corrects the article on p. 3 in vol. 5.].
Arya A - - 2010
Repeat cardioversion may be necessary in over 50% of patients with persistent atrial fibrillation (AF), but identifying responders remains challenging. This study evaluates the long-term success of direct current cardioversion (DCCV) and the clinical and echocardiographical parameters that influence them, in over 1000 sedation-cardioversion procedures undertaken at Eastbourne General Hospital ...
Kawara Tokuhiro - - 2010
The aim of the present study was to determine whether symptoms of atrial fibrillation (AF) differ between patients with and without subsequent permanent AF. Sixty-four patients (68 +/- 10 years old, 45 males) were recruited. AF follow-up was started at the age of 61 +/- 10 years and accomplished in ...
Lee Anson M - - 2010
The Cox-Maze procedure (CMP) for the surgical treatment of atrial fibrillation (AF) traditionally has required a median sternotomy and cardiopulmonary bypass. This study describes a method using ablation technologies to create the full Cox-Maze lesion set through a 5- to 6-cm right minithoracotomy. Twenty-two consecutive patients underwent a CMP through ...
Liu Xu - - 2010
Catheter ablation and surgical Maze procedure are effective in treating atrial fibrillation (AF) patients. However, there is no study that compares the effect of circumferential pulmonary vein isolation (CPVI) combined with substrate ablation after valvular surgery and the concomitant Maze procedure for the treatment of AF in patients with rheumatic ...
Yokokawa Miki - - 2010
Inflammatory responses following atrial fibrillation (AF) ablation may aggravate arrhythmogenic activity and cause an early recurrence of AF (ERAF). In 56 patients who underwent circumferential pulmonary vein ablation (CPVA) for paroxysmal AF, cardiovascular magnetic resonance imaging (CMRI) was evaluated in 5 subdivided left atrial (LA) regions before the CPVA and ...
Haegeli Laurent M - - 2010
Although the incidence of atrial fibrillation (AF) progressively increases with age, the vast majority of AF ablation is done in middle-aged patients. We evaluated the feasibility and safety of catheter ablation in patients older than 65 years of age with paroxysmal and persistent AF. Out of a total of 230 consecutive ...
Oswald Hanno - - 2010
Modulation of the intrinsic cardiac autonomic nervous system (ICANS) has been described to occur during radiofrequency pulmonary vein (PV) isolation for paroxysmal atrial fibrillation (AF) and has been controversially proposed to increase clinical success. Energy source used for PV isolation might influence ICANS modulation. The effect of balloon-delivered cryoenergy on ...
Bayard Yves-Laurent - - 2010
The European PLAATO (Percutaneous Left Atrial Appendage Transcatheter Occlusion) study was performed to determine the safety and efficacy of left atrial appendage occlusion by catheter technique. Embolic stroke due to atrial fibrillation is a common observation, especially in the elderly. Most thrombi in atrial fibrillation form in the left atrial ...
Bonanno Carlo - - 2010
BACKGROUND: Atrial fibrillation is the most common arrhythmia in clinical practice. Its treatment is still widely debated due to the large variety of therapeutic options. Radiofrequency catheter ablation (RFCA) around pulmonary vein ostia and in the left atrium has been proposed as a technique to cure atrial fibrillation and is ...
Ahlsson Anders - - 2010
This article presents a study of postoperative atrial fibrillation (AF) and its long-term effects on mortality and heart rhythm. The study cohort consisted of 571 patients with no history of AF who underwent primary aortocoronary bypass surgery from 1999 to 2000. Postoperative AF occurred in 165/571 patients (28.9%). After a ...
Nikfarjam Mehrdad - - 2010
BACKGROUND: Chronic radiation proctitis can be difficult to manage. Radiofrequency ablation has recently been shown to be effective in the management of gastric antral vascular ectasia and Barrett's esophagus, but its utility in the treatment of chronic radiation proctitis is undetermined. METHOD: A 77-year-old man with extensive chronic radiation proctitis ...
Lohr Joann - - 2010
Superficial venous insufficiency of the lower extremities is a common affliction. There are several modalities available to the clinician to treat this problem. This article specifically examines the technique of radiofrequency ablation in the treatment of superficial venous insufficiency. The evolution of the catheters used in radiofrequency ablation is discussed ...
Klein Eitan M - - 2010
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, accounting for approximately one-third of all hospitalizations from cardiac rhythm disturbances. Over the past decade, catheter ablation (predominantly in the form of pulmonary vein isolation [PVI]) has become an important therapy in the treatment of patients with symptomatic, drug-refractory AF. ...
Defaye Pascal - - 2010
Treatment of atrial fibrillation (AF) by radiofrequency or cryoballoon ablation requires good sedation and effective analgesia to be carried out safely and successfully. To compare analgesic and sedative drug usage during ablation procedures for paroxysmal AF. The records of 60 patients hospitalized for ablation of paroxysmal AF were studied. Patients ...
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