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3 years ago
Sustained ventricular tachycardia (VT) and ventricular fibrillation (VF) are typically a manifestation of significant structural heart disease and often associated with a high risk of sudden cardiac death. Implantable cardioverter defibrillators (ICDs) remain the mainstay of therapy for prevention of sudden cardiac death associated with these arrhythmias.1 However, ICDs treat the arrhythmia after…
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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…
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3 years ago
Over the past decades catheter ablation of atrial fibrillation (AF) has evolved from being a largely experimental procedure to a well-established therapeutic option for certain patients with AF.1–4 Currently the backbone of most catheter ablation techniques is to target the pulmonary veins (PVs) in order to achieve their electrical isolation and maintain sinus rhythm (SR).1 Additional techniques…
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3 years ago
Idiopathic ventricular arrhythmias (IVAs) usually originate from the specific anatomical structures. For the past decade, major IVA origins from both endocardial and epicardial sites have been increasingly recognised (see Table 1).1–3 Catheter ablation of IVAs is usually safe and highly successful, but can sometimes be challenging because of the anatomical obstacles. Therefore, understanding the…
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Added:
3 years ago
Ventricular fibrillation (VF) is a complex arrhythmia that leads invariably to cardiac arrest. Its mechanisms remain largely unclear. Similar to atrial fibrillation, the mother rotor hypothesis is one plausible alternative.1,2 In larger animals, some authors reported that the dominant frequency of VF could be recorded at a junction of the left ventricular posterior wall and the septum.3-6 Others…
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2 years ago
Added:
3 years ago
Dr Oussama Wazni (Cleveland Clinic, Cleveland, US) discusses the results of STOP AF First trial, which investigates cryoballoon catheter ablation as first-line treatment in antiarrhythmic drug naive paroxysmal AF.
Questions:
1. What is the rationale behind this trial?
2. What is the trial design?
3. What is the inclusion criteria?
4. What were the main outcomes? Were they met?
5. What…
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Added:
1 year ago
EHRA 23 - In this short interview, Prof Roland Tilz (University Heart Centre Lübeck, DE) outlines the findings from the POTTER registry.
The POTTER Registry (NCT05273645) gathered data on patients undergoing pulmonary vein isolation (PVI) with a rare complication, atrio-oesophageal fistula (AOF). The registry focuses on the incidence, diagnosis and management of this complication, which affects…
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Added:
3 years ago
Recurrent ventricular tachycardia (VT) in patients who have an implantable cardioverter-defibrillator (ICD) with subsequent shocks is associated with reduced quality of life and an adverse prognosis. Pharmacological treatments are associated with significant side-effects. Catheter ablation has been used to reduce the number of ICD therapies in patients with ischaemic and non-ischaemic…
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Added:
5 years ago
ProfessorDouglas L. Packer discusses the CABANA trial - catheter ablation vs. antiarrhythmic drug therapy for atrial fibrillation.
Filmed on-site at HRS 2018 in Boston, US.
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