The Japanese Circulation Society (JCS) published the “Guidelines for Pharmacological
Treatment of Arrhythmia” in 2004, and a revised edition was published in 2009. 1 Both …

Heart failure is a progressive disease that is associated with repeated exacerbations and
hospitalizations. The rapid increase in the number of heart failure patients is a global health …

Brugada syndrome (BrS) is one of the main inherited arrhythmia syndromes causing
ventricular fibrillation (VF) and sudden cardiac death in young to middle-aged men …

In 2019, the Guidelines for non-pharmacotherapy of cardiac arrhythmias (JCS/JHRS 2019)
were published, covering areas such as treatment using cardiac electrical implantable …

Background: The incidence of sudden cardiac death (SCD) after discharge in Japanese
acute myocardial infarction (AMI) patients with reduced left ventricular ejection fraction …

Background Local impedance (LI) has emerged as a new technology that informs on
electrical catheter‐tissue coupling during radiofrequency (RF) ablation. Recently, IntellaNav …

Objectives This study aimed to compare acute hemodynamic improvements and responses
to His bundle pacing (HBP) and conventional biventricular pacing (BVP). Background HBP …

Background: The randomized controlled VOLCANO trial demonstrated comparable 1-year
rhythm outcomes between patients with and without ablation targeting low-voltage areas …

Aims The HINODE study aimed to analyse rates of mortality, appropriately treated ventricular
arrhythmias (VA), and heart failure in Japanese patients and compared with those in …

Introduction Data are limited regarding outcomes of cryoballoon ablation for atrial fibrillation
(AF) in patients with heart failure (HF). This large‐scale multicenter study aimed to evaluate …