High-Power, Short-Duration Ablation in the Treatment of Atrial Fibrillation Patients

Catheter ablation is the cornerstone of the rhythm control treatment of atrial fibrillation (AF). During this procedure, creating a contiguous and durable lesion set is essential to achieve good long-term results. Radiofrequency lesions are created in two phases: resistive and conductive heating. The ablation catheters and the generators have undergone impressive technical developments to enable homogenous and good-quality lesion creation. Despite recent years’ achievements, the durable isolation of the pulmonary veins remains a challenge. These days, intensive research aims to evaluate the role of high-power radiofrequency applications in the treatment of patients with cardiac arrhythmias. The use of high-power, short-duration applications might result in a uniform, transmural lesion set. It is associated with shorter procedure time, shorter left atrial, and fluoroscopy time than low-power ablation. This technique was also associated with a better clinical outcome, possibly due to the better durability of lesions. Multiple clinical studies have proven the safety and efficacy of high-power, short-duration PVI.

High-power short-duration AF ablation modestly reduces procedure time

Reproducibility of the CLOSE protocol (the VISTAX trial) [8

Study flow chart, HPSD, high power short duration; AF, atrial fibrillation.

Heart Institute first in North America to perform ablation procedure using high-power, short duration catheter

PDF) Efficacy and safety of high-power short-duration ablation for

Comparison of complication rate of surgical ablation, convergent

2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Atrial Fibrillation: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines

Use of Ablation Index-Guided Ablation Results in High Rates of

High-Power, Short-Duration Ablation in the Treatment of Atrial Fibrillation Patients

High power short duration ablation for atrial fibrillation: Safety and effectiveness

POWER FAST Trial HPSD AFib, PDF, Cardiovascular System

PDF) The role of local impedance drop in the acute lesion efficacy

László GELLÉR, Chief of Electrophysiology

PDF) High-Power, Short-Duration Ablation in the Treatment of