Catheter ablation of atrial arrhythmias in cardiac amyloidosis: Impact on heart failure and mortality.

ABSTRACT:

Background

Atrial arrhythmias (AA) commonly affect patients with cardiac amyloidosis (CA) and are a contributing risk factor for the development of heart failure (HF). This study sought to investigate the long-term efficacy and impact of catheter ablation on HF progression in patients with CA and AA.

Methods

Thirty-one patients with CA and AA undergoing catheter ablation were retrospectively included (transthyretin-ATTR CA 61% and light chain-AL CA 39%). AA subtypes included atrial fibrillation (AFib) in 22 (paroxysmal in 10 and persistent in 12), atrial flutter (AFl) in 17 and atrial tachycardia (AT) in 11 patients. Long-term AA recurrence rates were evaluated along with the impact of sinus rhythm (SR) maintenance on HF and mortality.

Results

AA recurrence was observ

SUBMITTER: Maury P 

PROVIDER: S-EPMC10997066 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature