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Author(s): Laurent Roten , Matthew Daly , Patrizio Pascale , et al Added: 3 years ago
With an ageing population and widespread use of implantable cardioverter-defibrillators, physicians are confronted with an increasing number of patients with symptomatic, drug-refractory ventricular tachycardia (VT). Catheter ablation is an important treatment option in the management of patients with structural heart disease and VT.1,2 In many patients, VT can be successfully ablated from the… View more

Electrophysiology & Arrhythmia
Author(s): Ramanan Kumareswaran , Francis E Marchlinski Added: 3 years ago
Ventricular tachycardia (VT) is one of the most challenging medical conditions faced by cardiac patients and physicians treating them. Antiarrhythmic medications have limited effectiveness and are frequently poorly tolerated.1–4 Catheter ablation is increasingly used to treat patients successfully.1,5–7 Most VTs can be ablated endocardially but some require epicardial mapping and ablation… View more

Electrophysiology & Arrhythmia
Author(s): Charles M Pearman , Shi S Poon , Laura J Bonnett , et al Added: 3 years ago
The goal of arrhythmia eradication in AF continues to be elusive for cardiac electrophysiologists. Although endocardial radiofrequency (RF) catheter ablation is more effective than pharmacological management at maintaining sinus rhythm,1 it is far from perfect, especially in patients with non-paroxysmal AF.2 In an attempt to address this, attention has turned back to the surgical ablation that… View more

Electrophysiology & Arrhythmia
Percutaneous Catheter Ablation of Epicardial Accessory Pathways
Author(s): Eduardo Back Sternick , Mariana Faustino , Frederico Soares Correa , et al Added: 3 years ago
Radiofrequency (RF) catheter ablation is currently the treatment of choice in patients with accessory pathways (APs) and Wolff– Parkinson–White syndrome, and is shown to have a success rate >95 %.1 APs usually have endocardial ventricular and atrial insertions, located close to the atrioventricular valve rings, making most endocardial catheter ablation procedures relatively straightforward and… View more

Electrophysiology & Arrhythmia
Author(s): Amit J Thosani , Paul Gerczuk , Emerson Liu , et al Added: 3 years ago
Atrial fibrillation (AF) is the most common cardiac arrhythmia worldwide. In 2010, the prevalence of AF in the US was estimated at 5.9 million.1 The decision to pursue treatment to maintain sinus rhythm is driven by disabling symptoms related to AF; including palpitations, dyspnoea, fatigue, stroke and congestive heart failure. Percutaneous catheter-based ablation is an established therapy for… View more

Electrophysiology & Arrhythmia
Author(s): Mario Njeim , Frank Bogun Added: 3 years ago
Percutaneous ablation for ventricular tachycardia (VT) was first attempted in 1983 and has rapidly evolved to become an important option for controlling recurrent VTs.1 Endocardial ablation remained the only percutaneous approach until epicardial access was introduced by Sosa et al. in 1996 and thereafter became progressively more available as an adjunctive strategy for the treatment of… View more

Imaging & Diagnostics

Heart Failure
Author(s): Charles M Pearman , Dhiraj Gupta Added: 3 years ago
Dear Sir, We thank Drs Giannopoulos and Deftereos for showing interest in our work.1 They wonder whether a true difference might exist between hybrid and epicardial ablation alone that may have been masked by our combining the results from retrospective observational studies with those from randomised trials. A fine balance needs to be struck for this type of analysis. On one hand, adopting… View more

Electrophysiology & Arrhythmia
Author(s): Carlo Pappone , Vincenzo Santinelli Added: 3 years ago
Historical Precedents Brugada syndrome (BrS) was first described more than 25 years ago as a clinical entity in people resuscitated from sudden cardiac death due to documented VF.1 The original 1992 case series described eight patients without apparent structural heart disease who all had VF associated with persistent coved ST-segment elevation in the right precordial leads.1 In 1996 this… View more

Electrophysiology & Arrhythmia
Electrophysiologist in Convergent Ablation
Author(s): Nadeev Wijesuriya , Nikos Papageorgiou , Edd Maclean , et al Added: 3 years ago
AF is the most common arrhythmia and about 10% of the general population above the age of 65 years are affected by this condition.1 The mortality and morbidity of AF is well established, with a higher risk of stroke and heart failure in older patients with comorbidities.2 The pathophysiology of AF is complex and variable, making its management extremely challenging. Epidemiological studies have… View more

Electrophysiology & Arrhythmia
Author(s): James McKinnie Added: 3 years ago
Atrial fibrillation (AF) is escalating into an epidemic throughout the world with more than a million people in the US developing the disease every year. In fact, the prevalence in the US and Europe has totalled over 14 million patients and is growing at an alarming rate.1,2 Costs of managing AF are spiralling out of control with hospitalisations growing much faster than those for other… View more

Electrophysiology & Arrhythmia