Differential Clinical Characteristics and Prognosis of Patients with Longstanding Persistent Atrial Fibrillation Presenting with Recurrent Atrial Tachycardia versus Recurrent Atrial Fibrillation After First Ablation

作者：Zhao, Liang; Wu, Shaohui; Jiang, Weifeng; Zhou, Li; Gu, Jun; Wang, Yuanlong; Liu, Yugang; Zhang, Xiaodong; Liu, Xu^*

来源：Journal of Cardiovascular Electrophysiology, 2014, 25(3): 259-265.

DOI：10.1111/jce.12311

• atrial fibrillation
• atrial flutter
• atrial tachycardia
• catheter ablation
• left atrium

Baseline Characteristics and Prognosis of LS-AF Patients @@@ BackgroundIt is unknown if baseline characteristics and prognosis of patients with longstanding persistent (defined as history greater than 1 year) atrial fibrillation (LS-AF) differ among those with either recurrent atrial tachycardia (R-AT) or recurrent AF (R-AF) after first ablation. @@@ MethodsIn 222 consecutive LS-AF patients treated for R-AT or R-AF after first ablation, activation and entrainment mapping was used to identify R-AT mechanism and to guide the following ablation, and the ablation endpoints for all patients included complete pulmonary vein isolation, bidirectional block of lines, and disappearance of complex fractionated atrial electrograms. @@@ ResultsThere were 102 patients in the R-AF group. LS-AF patients with R-AT as compared to R-AF had shorter AF duration and recurrence interval, smaller left atrium size and left ventricular end-diastolic diameter, and less mitral and aortic regurgitation before first ablation. During follow-up (17.7 4.0 months) after R-AT/R-AF ablation, 78 LS-AF patients developed recurrent atrial tachyarrhythmia, with lower overall and recurrence as AF in R-AT versus R-AF groups. @@@ ConclusionsLS-AF patients who develop R-AT versus R-AF after first ablation have more favorable baseline characteristics and prognosis.

• 出版日期2014-3
• 单位上海交通大学