Outcomes in patients with cardiac amyloidosis undergoing catheter ablation for atrial arrhythmias.

ABSTRACT:

Background

Cardiac amyloidosis (CA) is characterized by atrial myopathy, which predisposes patients to atrial fibrillation (AF) and other atrial arrhythmias (AA). Although catheter ablation of AA is effective in the general population, its efficacy and safety in patients with CA remain unclear.

Objective

The study aimed to evaluate outcomes in patients with CA undergoing catheter ablation for typical atrial flutter (TAFL) and left atrial (LA) arrhythmias and to assess the presence and influence of LA low-voltage areas (LVA) in the latter.

Methods

We retrospectively analyzed patients with CA undergoing first-time ablation for TAFL or LA arrhythmias (AF, atypical atrial flutter, and focal tachycardia). For the latter group, LA electroanatomical mapping (EAM) quantified

SUBMITTER: Petzl AM 

PROVIDER: S-EPMC12411953 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature